[ 35.484901][ T26] audit: type=1800 audit(1557424950.261:28): pid=7567 uid=0 auid=4294967295 ses=4294967295 subj==unconfined 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. [ 36.267395][ T26] audit: type=1800 audit(1557424951.131:29): pid=7567 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 36.287913][ T26] audit: type=1800 audit(1557424951.131:30): pid=7567 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 [....] startpar: service(s) returned failure: rsyslog ...[?25l[?1c7[FAIL8[?25h[?0c failed! Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.101' (ECDSA) to the list of known hosts. syzkaller login: [ 50.809166][ T7742] FAULT_INJECTION: forcing a failure. [ 50.809166][ T7742] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 50.822404][ T7742] CPU: 1 PID: 7742 Comm: syz-executor007 Not tainted 5.1.0+ #4 [ 50.829928][ T7742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 50.839963][ T7742] Call Trace: [ 50.843239][ T7742] dump_stack+0x172/0x1f0 [ 50.847559][ T7742] should_fail.cold+0xa/0x15 [ 50.852131][ T7742] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 50.857922][ T7742] should_fail_alloc_page+0x50/0x60 [ 50.863096][ T7742] __alloc_pages_nodemask+0x1a1/0x8d0 [ 50.868446][ T7742] ? __alloc_pages_slowpath+0x28b0/0x28b0 [ 50.874147][ T7742] ? find_held_lock+0x35/0x130 [ 50.878898][ T7742] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 50.884683][ T7742] cache_grow_begin+0x9c/0x860 [ 50.889553][ T7742] ? getname_flags+0xd6/0x5b0 [ 50.894207][ T7742] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 50.900429][ T7742] kmem_cache_alloc+0x62d/0x6f0 [ 50.905259][ T7742] getname_flags+0xd6/0x5b0 [ 50.909740][ T7742] user_path_at_empty+0x2f/0x50 [ 50.914570][ T7742] ksys_chdir+0x98/0x1f0 [ 50.918789][ T7742] ? __ia32_sys_access+0x80/0x80 [ 50.923708][ T7742] ? do_fast_syscall_32+0xd1/0xd54 [ 50.928796][ T7742] ? entry_SYSENTER_compat+0x70/0x7f [ 50.934057][ T7742] ? do_fast_syscall_32+0xd1/0xd54 [ 50.939160][ T7742] ? lockdep_hardirqs_on+0x418/0x5d0 [ 50.944425][ T7742] __ia32_sys_chdir+0x30/0x40 [ 50.949092][ T7742] do_fast_syscall_32+0x281/0xd54 [ 50.954125][ T7742] entry_SYSENTER_compat+0x70/0x7f [ 50.959213][ T7742] RIP: 0023:0xf7fec849 [ 50.963257][ T7742] Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 14 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 50.982843][ T7742] RSP: 002b:00000000ffed5c3c EFLAGS: 00000292 ORIG_RAX: 000000000000000c [ 50.991253][ T7742] RAX: ffffffffffffffda RBX: 00000000ffed5c69 RCX: 00000000000001ff [ 50.999215][ T7742] RDX: 00000000ffed5c69 RSI: 00000000080ed00c RDI: 0000000000000000 executing program [ 51.007166][ T7742] RBP: 00000000ffed5c88 R08: 0000000000000000 R09: 0000000000000000 [ 51.015117][ T7742] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 51.023079][ T7742] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 51.035060][ T7743] FAULT_INJECTION: forcing a failure. [ 51.035060][ T7743] name failslab, interval 1, probability 0, space 0, times 1 [ 51.047780][ T7743] CPU: 0 PID: 7743 Comm: syz-executor007 Not tainted 5.1.0+ #4 [ 51.055306][ T7743] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.065347][ T7743] Call Trace: [ 51.068636][ T7743] dump_stack+0x172/0x1f0 [ 51.072961][ T7743] should_fail.cold+0xa/0x15 [ 51.077560][ T7743] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 51.083347][ T7743] ? ___might_sleep+0x163/0x280 [ 51.088178][ T7743] __should_failslab+0x121/0x190 [ 51.093096][ T7743] should_failslab+0x9/0x14 [ 51.097579][ T7743] kmem_cache_alloc+0x2b2/0x6f0 [ 51.102407][ T7743] ? lock_downgrade+0x880/0x880 [ 51.107283][ T7743] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.113505][ T7743] alloc_pid+0x55/0x8f0 [ 51.117656][ T7743] ? kasan_check_write+0x14/0x20 [ 51.122586][ T7743] copy_process.part.0+0x2eac/0x6710 [ 51.127865][ T7743] ? __cleanup_sighand+0x60/0x60 [ 51.132798][ T7743] ? vfs_write+0x2f0/0x580 [ 51.137196][ T7743] ? lock_downgrade+0x880/0x880 [ 51.142040][ T7743] _do_fork+0x25d/0xfd0 [ 51.146252][ T7743] ? copy_init_mm+0x20/0x20 [ 51.150751][ T7743] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.157012][ T7743] ? ksys_write+0x1cf/0x290 [ 51.161500][ T7743] ? __ia32_sys_read+0xb0/0xb0 [ 51.166278][ T7743] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 51.171731][ T7743] ? do_fast_syscall_32+0xd1/0xd54 [ 51.176824][ T7743] ? entry_SYSENTER_compat+0x70/0x7f [ 51.182104][ T7743] ? do_fast_syscall_32+0xd1/0xd54 [ 51.187196][ T7743] __ia32_compat_sys_x86_clone+0xbc/0x140 [ 51.192901][ T7743] do_fast_syscall_32+0x281/0xd54 [ 51.197907][ T7743] entry_SYSENTER_compat+0x70/0x7f [ 51.203010][ T7743] RIP: 0023:0xf7fec849 [ 51.207068][ T7743] Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 14 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 51.226653][ T7743] RSP: 002b:00000000ffed5a8c EFLAGS: 00000246 ORIG_RAX: 0000000000000078 [ 51.235147][ T7743] RAX: ffffffffffffffda RBX: 0000000000003ffc RCX: 0000000000000000 [ 51.243105][ T7743] RDX: 00000000200005c0 RSI: 0000000000000000 RDI: 0000000000000000 [ 51.251062][ T7743] RBP: 0000000000000012 R08: 0000000000000000 R09: 0000000000000000 executing program [ 51.259022][ T7743] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 51.266984][ T7743] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 51.280353][ T7744] FAULT_INJECTION: forcing a failure. [ 51.280353][ T7744] name failslab, interval 1, probability 0, space 0, times 0 [ 51.293011][ T7744] CPU: 1 PID: 7744 Comm: syz-executor007 Not tainted 5.1.0+ #4 [ 51.300535][ T7744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.310609][ T7744] Call Trace: [ 51.313884][ T7744] dump_stack+0x172/0x1f0 [ 51.318197][ T7744] should_fail.cold+0xa/0x15 [ 51.322769][ T7744] ? fault_create_debugfs_attr+0x1e0/0x1e0 [ 51.328559][ T7744] ? ___might_sleep+0x163/0x280 [ 51.333395][ T7744] __should_failslab+0x121/0x190 [ 51.338312][ T7744] should_failslab+0x9/0x14 [ 51.342798][ T7744] kmem_cache_alloc+0x2b2/0x6f0 [ 51.347636][ T7744] __alloc_file+0x27/0x300 [ 51.352031][ T7744] alloc_empty_file+0x72/0x170 [ 51.356771][ T7744] alloc_file+0x5e/0x4d0 [ 51.361005][ T7744] alloc_file_pseudo+0x189/0x280 [ 51.365928][ T7744] ? alloc_file+0x4d0/0x4d0 [ 51.370412][ T7744] ? _raw_spin_unlock+0x2d/0x50 [ 51.375418][ T7744] anon_inode_getfile+0xda/0x200 [ 51.380350][ T7744] anon_inode_getfd+0x54/0xb0 [ 51.385010][ T7744] copy_process.part.0+0x55e6/0x6710 [ 51.390306][ T7744] ? __cleanup_sighand+0x60/0x60 [ 51.395234][ T7744] ? vfs_write+0x2f0/0x580 [ 51.399645][ T7744] ? lock_downgrade+0x880/0x880 [ 51.404478][ T7744] _do_fork+0x25d/0xfd0 [ 51.408623][ T7744] ? copy_init_mm+0x20/0x20 [ 51.413105][ T7744] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.419327][ T7744] ? ksys_write+0x1cf/0x290 [ 51.423897][ T7744] ? __ia32_sys_read+0xb0/0xb0 [ 51.428662][ T7744] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 51.434110][ T7744] ? do_fast_syscall_32+0xd1/0xd54 [ 51.439214][ T7744] ? entry_SYSENTER_compat+0x70/0x7f [ 51.444504][ T7744] ? do_fast_syscall_32+0xd1/0xd54 [ 51.449610][ T7744] __ia32_compat_sys_x86_clone+0xbc/0x140 [ 51.455344][ T7744] do_fast_syscall_32+0x281/0xd54 [ 51.460353][ T7744] entry_SYSENTER_compat+0x70/0x7f [ 51.465457][ T7744] RIP: 0023:0xf7fec849 [ 51.469513][ T7744] Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 14 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 51.489093][ T7744] RSP: 002b:00000000ffed5a8c EFLAGS: 00000246 ORIG_RAX: 0000000000000078 [ 51.497506][ T7744] RAX: ffffffffffffffda RBX: 0000000000003ffc RCX: 0000000000000000 [ 51.505461][ T7744] RDX: 00000000200005c0 RSI: 0000000000000000 RDI: 0000000000000000 [ 51.513416][ T7744] RBP: 0000000000000012 R08: 0000000000000000 R09: 0000000000000000 [ 51.521367][ T7744] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 51.529326][ T7744] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 51.537659][ T7744] ------------[ cut here ]------------ [ 51.543111][ T7744] DEBUG_LOCKS_WARN_ON(depth <= 0) [ 51.543180][ T7744] WARNING: CPU: 1 PID: 7744 at kernel/locking/lockdep.c:4052 lock_release+0x667/0xa00 [ 51.557699][ T7744] Kernel panic - not syncing: panic_on_warn set ... [ 51.564263][ T7744] CPU: 1 PID: 7744 Comm: syz-executor007 Not tainted 5.1.0+ #4 [ 51.571784][ T7744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 51.581833][ T7744] Call Trace: [ 51.585106][ T7744] dump_stack+0x172/0x1f0 [ 51.589413][ T7744] ? lock_release+0x5b0/0xa00 [ 51.594069][ T7744] panic+0x2cb/0x65c [ 51.597948][ T7744] ? __warn_printk+0xf3/0xf3 [ 51.602519][ T7744] ? lock_release+0x667/0xa00 [ 51.607173][ T7744] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.613388][ T7744] ? __warn.cold+0x5/0x45 [ 51.617694][ T7744] ? __warn+0xe8/0x1d0 [ 51.621741][ T7744] ? lock_release+0x667/0xa00 [ 51.626393][ T7744] __warn.cold+0x20/0x45 [ 51.630635][ T7744] ? lock_release+0x667/0xa00 [ 51.635309][ T7744] report_bug+0x263/0x2b0 [ 51.639637][ T7744] do_error_trap+0x11b/0x200 [ 51.644231][ T7744] do_invalid_op+0x37/0x50 [ 51.648627][ T7744] ? lock_release+0x667/0xa00 [ 51.653312][ T7744] invalid_op+0x14/0x20 [ 51.657471][ T7744] RIP: 0010:lock_release+0x667/0xa00 [ 51.662736][ T7744] Code: 0f 85 a0 03 00 00 8b 35 77 66 08 08 85 f6 75 23 48 c7 c6 a0 55 6b 87 48 c7 c7 40 25 6b 87 4c 89 85 70 ff ff ff e8 b7 a9 eb ff <0f> 0b 4c 8b 85 70 ff ff ff 4c 89 ea 4c 89 e6 4c 89 c7 e8 52 63 ff [ 51.682315][ T7744] RSP: 0018:ffff888094117b48 EFLAGS: 00010086 [ 51.688356][ T7744] RAX: 0000000000000000 RBX: 1ffff11012822f6f RCX: 0000000000000000 [ 51.696311][ T7744] RDX: 0000000000000000 RSI: ffffffff815af236 RDI: ffffed1012822f5b [ 51.704276][ T7744] RBP: ffff888094117c00 R08: ffff888092bfc400 R09: fffffbfff113301d [ 51.712259][ T7744] R10: fffffbfff113301c R11: ffffffff889980e3 R12: ffffffff8a451df8 [ 51.720212][ T7744] R13: ffffffff8142e71f R14: ffffffff8a44cc80 R15: ffff888094117bd8 [ 51.728192][ T7744] ? copy_process.part.0+0x47ff/0x6710 [ 51.733634][ T7744] ? vprintk_func+0x86/0x189 [ 51.738215][ T7744] ? lock_release+0x667/0xa00 [ 51.742885][ T7744] ? lock_downgrade+0x880/0x880 [ 51.747716][ T7744] ? lock_downgrade+0x880/0x880 [ 51.752547][ T7744] percpu_up_read.constprop.0+0xcb/0x110 [ 51.758168][ T7744] copy_process.part.0+0x47ff/0x6710 [ 51.763460][ T7744] ? __cleanup_sighand+0x60/0x60 [ 51.768503][ T7744] ? vfs_write+0x2f0/0x580 [ 51.772897][ T7744] ? lock_downgrade+0x880/0x880 [ 51.777730][ T7744] _do_fork+0x25d/0xfd0 [ 51.781876][ T7744] ? copy_init_mm+0x20/0x20 [ 51.786364][ T7744] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 51.792592][ T7744] ? ksys_write+0x1cf/0x290 [ 51.797084][ T7744] ? __ia32_sys_read+0xb0/0xb0 [ 51.801831][ T7744] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 51.807284][ T7744] ? do_fast_syscall_32+0xd1/0xd54 [ 51.812387][ T7744] ? entry_SYSENTER_compat+0x70/0x7f [ 51.817760][ T7744] ? do_fast_syscall_32+0xd1/0xd54 [ 51.822853][ T7744] __ia32_compat_sys_x86_clone+0xbc/0x140 [ 51.828553][ T7744] do_fast_syscall_32+0x281/0xd54 [ 51.833573][ T7744] entry_SYSENTER_compat+0x70/0x7f [ 51.838684][ T7744] RIP: 0023:0xf7fec849 [ 51.842732][ T7744] Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 14 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 51.862404][ T7744] RSP: 002b:00000000ffed5a8c EFLAGS: 00000246 ORIG_RAX: 0000000000000078 [ 51.870802][ T7744] RAX: ffffffffffffffda RBX: 0000000000003ffc RCX: 0000000000000000 [ 51.878768][ T7744] RDX: 00000000200005c0 RSI: 0000000000000000 RDI: 0000000000000000 [ 51.886720][ T7744] RBP: 0000000000000012 R08: 0000000000000000 R09: 0000000000000000 [ 51.894668][ T7744] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 51.902645][ T7744] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 51.911835][ T7744] Kernel Offset: disabled [ 51.916158][ T7744] Rebooting in 86400 seconds..