[ 45.316902][ T24] audit: type=1800 audit(1561771497.984:26): pid=7838 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 45.359103][ T24] audit: type=1800 audit(1561771497.984:27): pid=7838 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 45.378885][ T24] audit: type=1800 audit(1561771497.984:28): pid=7838 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 45.918896][ T24] audit: type=1800 audit(1561771498.634:29): pid=7838 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.1.7' (ECDSA) to the list of known hosts. syzkaller login: [ 145.256433][ T7988] FAULT_INJECTION: forcing a failure. [ 145.256433][ T7988] name failslab, interval 1, probability 0, space 0, times 1 [ 145.269555][ T7988] CPU: 1 PID: 7988 Comm: syz-executor290 Not tainted 5.2.0-rc6+ #9 [ 145.277487][ T7988] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.287680][ T7988] Call Trace: [ 145.291094][ T7988] dump_stack+0x1d8/0x2f8 [ 145.295520][ T7988] should_fail+0x608/0x860 [ 145.299967][ T7988] ? setup_fault_attr+0x2b0/0x2b0 [ 145.305018][ T7988] ? arch_stack_walk+0x98/0xe0 [ 145.309873][ T7988] __should_failslab+0x11a/0x160 [ 145.314832][ T7988] should_failslab+0x9/0x20 [ 145.319338][ T7988] kmem_cache_alloc_trace+0x5d/0x2c0 [ 145.324702][ T7988] ? tomoyo_init_log+0x176/0x1f20 [ 145.329842][ T7988] tomoyo_init_log+0x176/0x1f20 [ 145.334777][ T7988] ? vsnprintf+0x1ba2/0x1c50 [ 145.339403][ T7988] ? common_lsm_audit+0x17b0/0x17b0 [ 145.344627][ T7988] ? tomoyo_profile+0x11/0x50 [ 145.349336][ T7988] ? tomoyo_domain_quota_is_ok+0x446/0x580 [ 145.355212][ T7988] tomoyo_supervisor+0x39c/0x13f0 [ 145.360363][ T7988] ? tomoyo_check_acl+0x2ee/0x3c0 [ 145.365413][ T7988] ? tomoyo_fill_path_info+0x9c/0x3a0 [ 145.370889][ T7988] ? tomoyo_profile+0x50/0x50 [ 145.375628][ T7988] ? _raw_spin_unlock_irqrestore+0xbc/0xe0 [ 145.381512][ T7988] ? debug_check_no_obj_freed+0x69d/0x740 [ 145.387435][ T7988] ? kfree+0xe6/0x120 [ 145.391536][ T7988] ? tomoyo_check_path_acl+0x114/0x180 [ 145.397012][ T7988] ? tomoyo_check_acl+0x342/0x3c0 [ 145.402155][ T7988] tomoyo_check_open_permission+0x738/0x9e0 [ 145.408153][ T7988] ? tomoyo_check_path_number_acl+0x240/0x240 [ 145.414228][ T7988] ? smk_access+0x4f0/0x4f0 [ 145.418778][ T7988] tomoyo_file_open+0x141/0x190 [ 145.423732][ T7988] security_file_open+0x65/0x2f0 [ 145.428685][ T7988] do_dentry_open+0x397/0x1060 [ 145.433484][ T7988] ? finish_open+0xe0/0xe0 [ 145.437913][ T7988] ? inode_permission+0xe3/0x580 [ 145.442871][ T7988] vfs_open+0x73/0x80 [ 145.446866][ T7988] path_openat+0x136d/0x4400 [ 145.451618][ T7988] ? arch_stack_walk+0x98/0xe0 [ 145.456424][ T7988] ? stack_trace_save+0x111/0x1e0 [ 145.461476][ T7988] ? do_filp_open+0x430/0x430 [ 145.466155][ T7988] ? __lock_acquire+0xcf7/0x1a40 [ 145.471092][ T7988] ? kmem_cache_alloc+0x1dd/0x2b0 [ 145.476139][ T7988] ? expand_files+0x511/0xa90 [ 145.480829][ T7988] do_filp_open+0x1f7/0x430 [ 145.485348][ T7988] ? vfs_tmpfile+0x230/0x230 [ 145.490005][ T7988] ? kasan_check_read+0x11/0x20 [ 145.494878][ T7988] ? do_raw_spin_unlock+0x49/0x260 [ 145.500037][ T7988] ? _raw_spin_unlock+0x2c/0x50 [ 145.504936][ T7988] ? get_unused_fd_flags+0x97/0xb0 [ 145.510156][ T7988] do_sys_open+0x343/0x620 [ 145.514581][ T7988] ? file_open_root+0x440/0x440 [ 145.519420][ T7988] ? fpregs_assert_state_consistent+0xaa/0xe0 [ 145.525693][ T7988] ? prepare_exit_to_usermode+0x1e1/0x4f0 [ 145.531523][ T7988] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 145.537046][ T7988] ? trace_irq_disable_rcuidle+0x23/0x1c0 [ 145.542846][ T7988] ? do_syscall_64+0x1d/0x140 [ 145.547547][ T7988] __x64_sys_open+0x87/0x90 [ 145.552217][ T7988] do_syscall_64+0xfe/0x140 [ 145.556725][ T7988] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 145.562648][ T7988] RIP: 0033:0x4056d0 [ 145.566556][ T7988] Code: 01 f0 ff ff 0f 83 d0 18 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 83 3d 5d c4 2d 00 00 75 14 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 a4 18 00 00 c3 48 83 ec 08 e8 0a fc ff ff [ 145.586266][ T7988] RSP: 002b:00007ffc15fbac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 145.594803][ T7988] RAX: ffffffffffffffda RBX: 00007ffc15fbac91 RCX: 00000000004056d0 executing program [ 145.602814][ T7988] RDX: 00007ffc15fbac96 RSI: 0000000000080001 RDI: 00000000004ae888 [ 145.610873][ T7988] RBP: 00007ffc15fbac90 R08: 0000000000000000 R09: 0000000000000001 [ 145.619019][ T7988] R10: 0000000000000032 R11: 0000000000000246 R12: 00000000004ae888 [ 145.627275][ T7988] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 145.643107][ T7990] FAULT_INJECTION: forcing a failure. [ 145.643107][ T7990] name failslab, interval 1, probability 0, space 0, times 0 [ 145.656038][ T7990] CPU: 1 PID: 7990 Comm: syz-executor290 Not tainted 5.2.0-rc6+ #9 [ 145.664026][ T7990] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.674102][ T7990] Call Trace: [ 145.677448][ T7990] dump_stack+0x1d8/0x2f8 [ 145.681825][ T7990] should_fail+0x608/0x860 [ 145.686274][ T7990] ? setup_fault_attr+0x2b0/0x2b0 [ 145.691398][ T7990] __should_failslab+0x11a/0x160 [ 145.696387][ T7990] ? __d_alloc+0x2d/0x6e0 [ 145.700745][ T7990] should_failslab+0x9/0x20 [ 145.705263][ T7990] kmem_cache_alloc+0x56/0x2b0 [ 145.710060][ T7990] __d_alloc+0x2d/0x6e0 [ 145.714266][ T7990] d_alloc_pseudo+0x1d/0x70 [ 145.718792][ T7990] alloc_file_pseudo+0x128/0x310 [ 145.723758][ T7990] ? alloc_empty_file_noaccount+0x80/0x80 [ 145.729492][ T7990] ? __alloc_fd+0x523/0x5d0 [ 145.734035][ T7990] anon_inode_getfile+0xad/0x180 [ 145.739163][ T7990] copy_process+0x2a95/0x5c90 [ 145.743908][ T7990] ? fork_idle+0x1b0/0x1b0 [ 145.748380][ T7990] ? kasan_check_write+0x14/0x20 [ 145.753407][ T7990] ? __mutex_unlock_slowpath+0x18c/0x630 [ 145.759105][ T7990] _do_fork+0x180/0x5f0 [ 145.763297][ T7990] ? dup_mm+0x340/0x340 [ 145.767531][ T7990] ? debug_smp_processor_id+0x1c/0x20 [ 145.773277][ T7990] ? fpregs_assert_state_consistent+0xaa/0xe0 [ 145.779429][ T7990] ? prepare_exit_to_usermode+0x1e1/0x4f0 [ 145.785245][ T7990] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 145.790730][ T7990] ? trace_irq_disable_rcuidle+0x23/0x1c0 [ 145.796479][ T7990] __x64_sys_clone+0xc1/0xd0 [ 145.801110][ T7990] do_syscall_64+0xfe/0x140 [ 145.805693][ T7990] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 145.811620][ T7990] RIP: 0033:0x446649 [ 145.815541][ T7990] Code: e8 bc b5 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 2b 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 145.835297][ T7990] RSP: 002b:00007ff07e47ddb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 145.843864][ T7990] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446649 [ 145.859132][ T7990] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000041ffc [ 145.867143][ T7990] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 145.875147][ T7990] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 145.883136][ T7990] R13: 00007ffc15fbb0ff R14: 00007ff07e47e9c0 R15: 0000000000000000 [ 145.893925][ T7990] kasan: CONFIG_KASAN_INLINE enabled [ 145.899863][ T7990] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 145.908117][ T7990] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 145.915103][ T7990] CPU: 1 PID: 7990 Comm: syz-executor290 Not tainted 5.2.0-rc6+ #9 [ 145.923012][ T7990] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 145.933160][ T7990] RIP: 0010:get_task_pid+0xe1/0x210 [ 145.938379][ T7990] Code: 89 ff e8 62 27 5f 00 49 8b 07 44 89 f1 4c 8d bc c8 90 01 00 00 eb 0c e8 0d fe 25 00 49 81 c7 38 05 00 00 4c 89 f8 48 c1 e8 03 <80> 3c 18 00 74 08 4c 89 ff e8 31 27 5f 00 4d 8b 37 e8 f9 47 12 00 [ 145.958186][ T7990] RSP: 0018:ffff88808a4a7d78 EFLAGS: 00010203 [ 145.964289][ T7990] RAX: 00000000000000a7 RBX: dffffc0000000000 RCX: ffff888088180600 [ 145.972263][ T7990] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 145.980257][ T7990] RBP: ffff88808a4a7d90 R08: ffffffff814fb3a8 R09: ffffed1015d66bf8 [ 145.988307][ T7990] R10: ffffed1015d66bf8 R11: 1ffff11015d66bf7 R12: 0000000000041ffc [ 145.996297][ T7990] R13: 1ffff11011494fbc R14: 0000000000000000 R15: 000000000000053d [ 146.004279][ T7990] FS: 00007ff07e47e700(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000 [ 146.013218][ T7990] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 146.019811][ T7990] CR2: 00000000004b5100 CR3: 0000000094df2000 CR4: 00000000001406e0 [ 146.028017][ T7990] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 146.036010][ T7990] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 146.044280][ T7990] Call Trace: [ 146.047624][ T7990] _do_fork+0x1b9/0x5f0 [ 146.051794][ T7990] ? dup_mm+0x340/0x340 [ 146.055970][ T7990] ? debug_smp_processor_id+0x1c/0x20 [ 146.061375][ T7990] ? fpregs_assert_state_consistent+0xaa/0xe0 [ 146.067573][ T7990] ? prepare_exit_to_usermode+0x1e1/0x4f0 [ 146.073318][ T7990] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 146.079200][ T7990] ? trace_irq_disable_rcuidle+0x23/0x1c0 [ 146.084944][ T7990] __x64_sys_clone+0xc1/0xd0 [ 146.089546][ T7990] do_syscall_64+0xfe/0x140 [ 146.094075][ T7990] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 146.099990][ T7990] RIP: 0033:0x446649 [ 146.103913][ T7990] Code: e8 bc b5 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 2b 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 146.123763][ T7990] RSP: 002b:00007ff07e47ddb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 146.132208][ T7990] RAX: ffffffffffffffda RBX: 00000000006dbc28 RCX: 0000000000446649 [ 146.140367][ T7990] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000041ffc [ 146.148370][ T7990] RBP: 00000000006dbc20 R08: 0000000000000000 R09: 0000000000000000 [ 146.156499][ T7990] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dbc2c [ 146.164643][ T7990] R13: 00007ffc15fbb0ff R14: 00007ff07e47e9c0 R15: 0000000000000000 [ 146.172718][ T7990] Modules linked in: [ 146.177860][ T7990] ---[ end trace 403a74d6aeda7e67 ]--- [ 146.183360][ T7990] RIP: 0010:get_task_pid+0xe1/0x210 [ 146.188737][ T7990] Code: 89 ff e8 62 27 5f 00 49 8b 07 44 89 f1 4c 8d bc c8 90 01 00 00 eb 0c e8 0d fe 25 00 49 81 c7 38 05 00 00 4c 89 f8 48 c1 e8 03 <80> 3c 18 00 74 08 4c 89 ff e8 31 27 5f 00 4d 8b 37 e8 f9 47 12 00 [ 146.208660][ T7990] RSP: 0018:ffff88808a4a7d78 EFLAGS: 00010203 [ 146.214760][ T7990] RAX: 00000000000000a7 RBX: dffffc0000000000 RCX: ffff888088180600 [ 146.222889][ T7990] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 146.230966][ T7990] RBP: ffff88808a4a7d90 R08: ffffffff814fb3a8 R09: ffffed1015d66bf8 [ 146.239069][ T7990] R10: ffffed1015d66bf8 R11: 1ffff11015d66bf7 R12: 0000000000041ffc [ 146.247156][ T7990] R13: 1ffff11011494fbc R14: 0000000000000000 R15: 000000000000053d [ 146.255387][ T7990] FS: 00007ff07e47e700(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000 [ 146.264469][ T7990] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 146.271171][ T7990] CR2: 00000000004b5100 CR3: 0000000094df2000 CR4: 00000000001406e0 [ 146.279359][ T7990] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 146.287530][ T7990] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 146.295666][ T7990] Kernel panic - not syncing: Fatal exception [ 146.303359][ T7990] Kernel Offset: disabled [ 146.307735][ T7990] Rebooting in 86400 seconds..