[  OK  ] Reached target Graphical Interface.
         Starting Update UTMP about System Runlevel Changes...
         Starting Load/Save RF Kill Switch Status...
[  OK  ] Started Load/Save RF Kill Switch Status.
[  OK  ] Started Update UTMP about System Runlevel Changes.

Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.0.69' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   83.631880] erofs: read_super, device -> /dev/loop0
[   83.636988] erofs: options -> 
[   83.641349] erofs: root inode @ nid 36
[   83.651797] FAULT_INJECTION: forcing a failure.
[   83.651797] name fail_page_alloc, interval 1, probability 0, space 0, times 1
[   83.663609] CPU: 1 PID: 8109 Comm: syz-executor284 Not tainted 4.19.163-syzkaller #0
[   83.671475] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   83.680818] Call Trace:
[   83.683393]  dump_stack+0x1fc/0x2fe
[   83.687004]  should_fail.cold+0xa/0x14
[   83.690875]  ? pick_next_entity+0x27e/0x580
[   83.695190]  ? setup_fault_attr+0x200/0x200
[   83.699513]  ? finish_task_switch+0x146/0x780
[   83.704008]  __alloc_pages_nodemask+0x239/0x2890
[   83.708748]  ? mark_held_locks+0xa6/0xf0
[   83.712803]  ? finish_task_switch+0x118/0x780
[   83.717282]  ? _raw_spin_unlock_irq+0x24/0x80
[   83.721771]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[   83.726333]  ? __lock_acquire+0x6de/0x3ff0
[   83.730550]  ? __schedule+0x88f/0x2040
[   83.734417]  ? gfp_pfmemalloc_allowed+0x150/0x150
[   83.739241]  ? check_preemption_disabled+0x41/0x280
[   83.744237]  ? tick_nohz_tick_stopped+0x16/0x90
[   83.748886]  ? __irq_work_queue_local+0x101/0x160
[   83.753715]  cache_grow_begin+0xa4/0x8a0
[   83.757770]  ? setup_fault_attr+0x200/0x200
[   83.762080]  ? lock_acquire+0x170/0x3c0
[   83.766031]  cache_alloc_refill+0x273/0x340
[   83.770346]  kmem_cache_alloc+0x346/0x370
[   83.774471]  ? destroy_inode+0x20/0x20
[   83.778332]  alloc_inode+0x18/0x50
[   83.781851]  ? destroy_inode+0x20/0x20
[   83.785713]  alloc_inode+0x5d/0x180
[   83.789318]  new_inode+0x1d/0xf0
[   83.792662]  erofs_fill_super+0xde9/0x12cc
[   83.796874]  ? init_once+0x13/0x13
[   83.800394]  ? vsprintf+0x30/0x30
[   83.803840]  ? wait_for_completion_io+0x10/0x10
[   83.808486]  ? set_blocksize+0x163/0x3f0
[   83.812530]  mount_bdev+0x2fc/0x3b0
[   83.816145]  ? init_once+0x13/0x13
[   83.819664]  erofs_mount+0x8c/0xc0
[   83.823188]  ? erofs_kill_sb+0x20/0x20
[   83.827058]  ? alloc_pages_current+0x19b/0x2a0
[   83.831706]  ? __lockdep_init_map+0x100/0x5a0
[   83.836194]  mount_fs+0xa3/0x30c
[   83.839554]  vfs_kern_mount.part.0+0x68/0x470
[   83.844030]  do_mount+0x113c/0x2f10
[   83.847648]  ? lock_acquire+0x170/0x3c0
[   83.851611]  ? check_preemption_disabled+0x41/0x280
[   83.856607]  ? copy_mount_string+0x40/0x40
[   83.860821]  ? copy_mount_options+0x59/0x380
[   83.865216]  ? rcu_read_lock_sched_held+0x16c/0x1d0
[   83.870220]  ? kmem_cache_alloc_trace+0x323/0x380
[   83.875042]  ? copy_mount_options+0x26f/0x380
[   83.879516]  ksys_mount+0xcf/0x130
[   83.883044]  __x64_sys_mount+0xba/0x150
[   83.886997]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[   83.891565]  do_syscall_64+0xf9/0x620
[   83.895344]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   83.900514] RIP: 0033:0x44d80a
[   83.903690] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 6d a1 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 4a a1 fb ff c3 66 0f 1f 84 00 00 00 00 00
[   83.922653] RSP: 002b:00007fb29c7adbd8 EFLAGS: 00000297 ORIG_RAX: 00000000000000a5
[   83.930341] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 000000000044d80a
[   83.937591] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fb29c7adbf0
[   83.944839] RBP: 00007fb29c7adbf0 R08: 00007fb29c7adc30 R09: 0000000000000000
[   83.952101] R10: 0000000000000000 R11: 0000000000000297 R12: 0000000000000003
[   83.959346] R13: 00007fb29c7adc30 R14: 00007fb29c7ae6d0 R15: 0000000000000006
[   83.969288] erofs: mounted on /dev/loop0 with opts: .
executing program
[   83.988792] erofs: unmounted for /dev/loop0
[   84.025444] erofs: read_super, device -> /dev/loop0
[   84.030612] erofs: options -> 
[   84.033869] FAULT_INJECTION: forcing a failure.
[   84.033869] name failslab, interval 1, probability 0, space 0, times 1
[   84.046291] CPU: 0 PID: 8118 Comm: syz-executor284 Not tainted 4.19.163-syzkaller #0
[   84.054177] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   84.063508] Call Trace:
[   84.066077]  dump_stack+0x1fc/0x2fe
[   84.069687]  should_fail.cold+0xa/0x14
[   84.073555]  ? setup_fault_attr+0x200/0x200
[   84.077854]  ? lock_acquire+0x170/0x3c0
[   84.081812]  __should_failslab+0x115/0x180
[   84.086067]  should_failslab+0x5/0xf
[   84.089797]  kmem_cache_alloc_trace+0x284/0x380
[   84.094445]  erofs_fill_super+0x167/0x12cc
[   84.098662]  ? init_once+0x13/0x13
[   84.102185]  ? vsprintf+0x30/0x30
[   84.105619]  ? wait_for_completion_io+0x10/0x10
[   84.110267]  ? set_blocksize+0x163/0x3f0
[   84.114310]  mount_bdev+0x2fc/0x3b0
[   84.117914]  ? init_once+0x13/0x13
[   84.121436]  erofs_mount+0x8c/0xc0
[   84.124958]  ? erofs_kill_sb+0x20/0x20
[   84.128874]  ? alloc_pages_current+0x19b/0x2a0
[   84.133439]  ? __lockdep_init_map+0x100/0x5a0
[   84.137915]  mount_fs+0xa3/0x30c
[   84.141269]  vfs_kern_mount.part.0+0x68/0x470
[   84.145746]  do_mount+0x113c/0x2f10
[   84.149357]  ? do_raw_spin_unlock+0x171/0x230
[   84.153831]  ? check_preemption_disabled+0x41/0x280
[   84.158829]  ? copy_mount_string+0x40/0x40
[   84.163046]  ? copy_mount_options+0x59/0x380
[   84.167489]  ? rcu_read_lock_sched_held+0x16c/0x1d0
[   84.172484]  ? kmem_cache_alloc_trace+0x323/0x380
[   84.177309]  ? copy_mount_options+0x26f/0x380
[   84.181786]  ksys_mount+0xcf/0x130
[   84.185308]  __x64_sys_mount+0xba/0x150
[   84.189298]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[   84.193915]  do_syscall_64+0xf9/0x620
[   84.197696]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   84.202864] RIP: 0033:0x44d80a
[   84.206037] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 6d a1 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 4a a1 fb ff c3 66 0f 1f 84 00 00 00 00 00
[   84.224916] RSP: 002b:00007fb29c7adbd8 EFLAGS: 00000297 ORIG_RAX: 00000000000000a5
[   84.232601] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 000000000044d80a
[   84.239848] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fb29c7adbf0
[   84.247096] RBP: 00007fb29c7adbf0 R08: 00007fb29c7adc30 R09: 0000000000000000
[   84.254344] R10: 0000000000000000 R11: 0000000000000297 R12: 0000000000000003
[   84.261604] R13: 00007fb29c7adc30 R14: 00007fb29c7ae6d0 R15: 0000000000000006
executing program
[   84.351352] erofs: read_super, device -> /dev/loop0
[   84.356896] erofs: options -> 
[   84.362134] erofs: root inode @ nid 36
[   84.366020] FAULT_INJECTION: forcing a failure.
[   84.366020] name failslab, interval 1, probability 0, space 0, times 0
[   84.377854] CPU: 0 PID: 8124 Comm: syz-executor284 Not tainted 4.19.163-syzkaller #0
[   84.385756] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   84.395097] Call Trace:
[   84.397675]  dump_stack+0x1fc/0x2fe
[   84.401287]  should_fail.cold+0xa/0x14
[   84.405156]  ? setup_fault_attr+0x200/0x200
[   84.409457]  ? lock_acquire+0x170/0x3c0
[   84.413445]  __should_failslab+0x115/0x180
[   84.417663]  should_failslab+0x5/0xf
[   84.421379]  kmem_cache_alloc+0x277/0x370
[   84.425518]  ? destroy_inode+0x20/0x20
[   84.429387]  alloc_inode+0x18/0x50
[   84.432908]  ? destroy_inode+0x20/0x20
[   84.436775]  alloc_inode+0x5d/0x180
[   84.440395]  new_inode+0x1d/0xf0
[   84.443749]  erofs_fill_super+0xde9/0x12cc
[   84.447972]  ? init_once+0x13/0x13
[   84.451508]  ? vsprintf+0x30/0x30
[   84.454960]  ? wait_for_completion_io+0x10/0x10
[   84.459626]  ? set_blocksize+0x163/0x3f0
[   84.463681]  mount_bdev+0x2fc/0x3b0
[   84.467299]  ? init_once+0x13/0x13
[   84.470844]  erofs_mount+0x8c/0xc0
[   84.474377]  ? erofs_kill_sb+0x20/0x20
[   84.478245]  ? alloc_pages_current+0x19b/0x2a0
[   84.482807]  ? __lockdep_init_map+0x100/0x5a0
[   84.487293]  mount_fs+0xa3/0x30c
[   84.490651]  vfs_kern_mount.part.0+0x68/0x470
[   84.495131]  do_mount+0x113c/0x2f10
[   84.498757]  ? lock_acquire+0x170/0x3c0
[   84.503253]  ? check_preemption_disabled+0x41/0x280
[   84.508267]  ? copy_mount_string+0x40/0x40
[   84.512490]  ? copy_mount_options+0x59/0x380
[   84.516897]  ? rcu_read_lock_sched_held+0x16c/0x1d0
[   84.521912]  ? kmem_cache_alloc_trace+0x323/0x380
[   84.526740]  ? copy_mount_options+0x26f/0x380
[   84.531279]  ksys_mount+0xcf/0x130
[   84.534802]  __x64_sys_mount+0xba/0x150
[   84.538791]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[   84.543355]  do_syscall_64+0xf9/0x620
[   84.547141]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   84.552312] RIP: 0033:0x44d80a
[   84.555484] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 6d a1 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 4a a1 fb ff c3 66 0f 1f 84 00 00 00 00 00
[   84.574364] RSP: 002b:00007fb29c7adbd8 EFLAGS: 00000297 ORIG_RAX: 00000000000000a5
[   84.582049] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 000000000044d80a
[   84.589297] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fb29c7adbf0
executing program
[   84.596545] RBP: 00007fb29c7adbf0 R08: 00007fb29c7adc30 R09: 0000000000000000
[   84.603791] R10: 0000000000000000 R11: 0000000000000297 R12: 0000000000000003
[   84.611039] R13: 00007fb29c7adc30 R14: 00007fb29c7ae6d0 R15: 0000000000000006
executing program
[   84.711555] erofs: read_super, device -> /dev/loop0
[   84.719119] erofs: options -> 
[   84.722394] FAULT_INJECTION: forcing a failure.
[   84.722394] name failslab, interval 1, probability 0, space 0, times 0
[   84.735073] CPU: 1 PID: 8133 Comm: syz-executor284 Not tainted 4.19.163-syzkaller #0
[   84.742963] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   84.752310] Call Trace:
[   84.754887]  dump_stack+0x1fc/0x2fe
[   84.758506]  should_fail.cold+0xa/0x14
[   84.762376]  ? setup_fault_attr+0x200/0x200
[   84.766680]  ? lock_acquire+0x170/0x3c0
[   84.770649]  __should_failslab+0x115/0x180
[   84.774879]  should_failslab+0x5/0xf
[   84.778575]  kmem_cache_alloc_trace+0x284/0x380
[   84.783261]  erofs_fill_super+0x167/0x12cc
[   84.787477]  ? init_once+0x13/0x13
[   84.790998]  ? vsprintf+0x30/0x30
[   84.794435]  ? wait_for_completion_io+0x10/0x10
[   84.799122]  ? set_blocksize+0x163/0x3f0
[   84.803170]  mount_bdev+0x2fc/0x3b0
[   84.806773]  ? init_once+0x13/0x13
[   84.810292]  erofs_mount+0x8c/0xc0
[   84.813825]  ? erofs_kill_sb+0x20/0x20
[   84.817696]  ? alloc_pages_current+0x19b/0x2a0
[   84.822254]  ? __lockdep_init_map+0x100/0x5a0
[   84.826727]  mount_fs+0xa3/0x30c
[   84.830088]  vfs_kern_mount.part.0+0x68/0x470
[   84.834574]  do_mount+0x113c/0x2f10
[   84.838184]  ? do_raw_spin_unlock+0x171/0x230
[   84.842658]  ? check_preemption_disabled+0x41/0x280
[   84.847656]  ? copy_mount_string+0x40/0x40
[   84.851867]  ? copy_mount_options+0x59/0x380
[   84.856253]  ? rcu_read_lock_sched_held+0x16c/0x1d0
[   84.861258]  ? kmem_cache_alloc_trace+0x323/0x380
[   84.866081]  ? copy_mount_options+0x26f/0x380
[   84.870556]  ksys_mount+0xcf/0x130
[   84.874076]  __x64_sys_mount+0xba/0x150
[   84.878030]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[   84.882591]  do_syscall_64+0xf9/0x620
[   84.886370]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   84.891551] RIP: 0033:0x44d80a
[   84.894721] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 6d a1 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 4a a1 fb ff c3 66 0f 1f 84 00 00 00 00 00
[   84.913599] RSP: 002b:00007fb29c7adbd8 EFLAGS: 00000297 ORIG_RAX: 00000000000000a5
[   84.921283] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 000000000044d80a
[   84.928529] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fb29c7adbf0
[   84.935775] RBP: 00007fb29c7adbf0 R08: 00007fb29c7adc30 R09: 0000000000000000
[   84.943023] R10: 0000000000000000 R11: 0000000000000297 R12: 0000000000000003
[   84.950283] R13: 00007fb29c7adc30 R14: 00007fb29c7ae6d0 R15: 0000000000000006
executing program
[   85.004268] erofs: read_super, device -> /dev/loop0
[   85.009753] erofs: options -> 
[   85.018394] erofs: root inode @ nid 36
[   85.022299] FAULT_INJECTION: forcing a failure.
[   85.022299] name fail_page_alloc, interval 1, probability 0, space 0, times 0
[   85.034073] CPU: 0 PID: 8143 Comm: syz-executor284 Not tainted 4.19.163-syzkaller #0
[   85.041984] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   85.051317] Call Trace:
[   85.053901]  dump_stack+0x1fc/0x2fe
[   85.057514]  should_fail.cold+0xa/0x14
[   85.061384]  ? setup_fault_attr+0x200/0x200
[   85.065736]  ? mark_held_locks+0xf0/0xf0
[   85.069782]  __alloc_pages_nodemask+0x239/0x2890
[   85.074519]  ? delay_tsc+0x8a/0xb0
[   85.078038]  ? io_serial_in+0xc/0x80
[   85.081734]  ? trace_hardirqs_off+0x64/0x200
[   85.086126]  ? __lock_acquire+0x6de/0x3ff0
[   85.090355]  ? gfp_pfmemalloc_allowed+0x150/0x150
[   85.095188]  ? lock_downgrade+0x720/0x720
[   85.099321]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[   85.103892]  ? console_unlock+0x6d4/0x1110
[   85.108111]  ? irq_work_claim+0xa6/0xc0
[   85.112073]  cache_grow_begin+0xa4/0x8a0
[   85.116136]  ? setup_fault_attr+0x200/0x200
[   85.120442]  ? lock_acquire+0x170/0x3c0
[   85.124399]  cache_alloc_refill+0x273/0x340
[   85.128706]  kmem_cache_alloc+0x346/0x370
[   85.132839]  ? destroy_inode+0x20/0x20
[   85.136793]  alloc_inode+0x18/0x50
[   85.140320]  ? destroy_inode+0x20/0x20
[   85.144189]  alloc_inode+0x5d/0x180
[   85.147797]  new_inode+0x1d/0xf0
[   85.151143]  erofs_fill_super+0xde9/0x12cc
[   85.155382]  ? init_once+0x13/0x13
[   85.158916]  ? vsprintf+0x30/0x30
[   85.162376]  ? wait_for_completion_io+0x10/0x10
[   85.167032]  ? set_blocksize+0x163/0x3f0
[   85.171078]  mount_bdev+0x2fc/0x3b0
[   85.174682]  ? init_once+0x13/0x13
[   85.178217]  erofs_mount+0x8c/0xc0
[   85.181736]  ? erofs_kill_sb+0x20/0x20
[   85.185605]  ? alloc_pages_current+0x19b/0x2a0
[   85.190166]  ? __lockdep_init_map+0x100/0x5a0
[   85.194643]  mount_fs+0xa3/0x30c
[   85.197993]  vfs_kern_mount.part.0+0x68/0x470
[   85.202484]  do_mount+0x113c/0x2f10
[   85.206093]  ? lock_acquire+0x170/0x3c0
[   85.210048]  ? check_preemption_disabled+0x41/0x280
[   85.215044]  ? copy_mount_string+0x40/0x40
[   85.219278]  ? copy_mount_options+0x59/0x380
[   85.223936]  ? rcu_read_lock_sched_held+0x16c/0x1d0
[   85.228943]  ? kmem_cache_alloc_trace+0x323/0x380
[   85.233767]  ? copy_mount_options+0x26f/0x380
[   85.238244]  ksys_mount+0xcf/0x130
[   85.241765]  __x64_sys_mount+0xba/0x150
[   85.245720]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[   85.250294]  do_syscall_64+0xf9/0x620
[   85.254075]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   85.259257] RIP: 0033:0x44d80a
[   85.262441] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 6d a1 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 4a a1 fb ff c3 66 0f 1f 84 00 00 00 00 00
[   85.281335] RSP: 002b:00007fb29c7adbd8 EFLAGS: 00000297 ORIG_RAX: 00000000000000a5
[   85.289038] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 000000000044d80a
[   85.296292] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fb29c7adbf0
executing program
[   85.303547] RBP: 00007fb29c7adbf0 R08: 00007fb29c7adc30 R09: 0000000000000000
[   85.310794] R10: 0000000000000000 R11: 0000000000000297 R12: 0000000000000003
[   85.318040] R13: 00007fb29c7adc30 R14: 00007fb29c7ae6d0 R15: 0000000000000006
[   85.326186] erofs: mounted on /dev/loop0 with opts: .
[   85.349050] erofs: unmounted for /dev/loop0
[   85.384363] erofs: read_super, device -> /dev/loop0
[   85.389603] erofs: options -> 
[   85.392900] erofs: root inode @ nid 36
[   85.397265] FAULT_INJECTION: forcing a failure.
[   85.397265] name failslab, interval 1, probability 0, space 0, times 0
[   85.408894] CPU: 1 PID: 8151 Comm: syz-executor284 Not tainted 4.19.163-syzkaller #0
[   85.416772] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   85.426126] Call Trace:
[   85.428705]  dump_stack+0x1fc/0x2fe
[   85.432317]  should_fail.cold+0xa/0x14
[   85.436187]  ? setup_fault_attr+0x200/0x200
[   85.440504]  ? lock_acquire+0x170/0x3c0
[   85.444504]  __should_failslab+0x115/0x180
[   85.448726]  should_failslab+0x5/0xf
[   85.452436]  kmem_cache_alloc+0x277/0x370
[   85.456566]  ? destroy_inode+0x20/0x20
[   85.460442]  alloc_inode+0x18/0x50
[   85.463970]  ? destroy_inode+0x20/0x20
[   85.467839]  alloc_inode+0x5d/0x180
[   85.471533]  new_inode+0x1d/0xf0
[   85.474894]  erofs_fill_super+0xde9/0x12cc
[   85.479109]  ? init_once+0x13/0x13
[   85.482630]  ? vsprintf+0x30/0x30
[   85.486065]  ? wait_for_completion_io+0x10/0x10
[   85.490728]  ? set_blocksize+0x163/0x3f0
[   85.494777]  mount_bdev+0x2fc/0x3b0
[   85.498397]  ? init_once+0x13/0x13
[   85.501920]  erofs_mount+0x8c/0xc0
[   85.505441]  ? erofs_kill_sb+0x20/0x20
[   85.509309]  ? alloc_pages_current+0x19b/0x2a0
[   85.513884]  ? __lockdep_init_map+0x100/0x5a0
[   85.518363]  mount_fs+0xa3/0x30c
[   85.521724]  vfs_kern_mount.part.0+0x68/0x470
[   85.526202]  do_mount+0x113c/0x2f10
[   85.529826]  ? lock_acquire+0x170/0x3c0
[   85.533778]  ? check_preemption_disabled+0x41/0x280
[   85.538788]  ? copy_mount_string+0x40/0x40
[   85.543001]  ? copy_mount_options+0x59/0x380
[   85.547390]  ? rcu_read_lock_sched_held+0x16c/0x1d0
[   85.552400]  ? kmem_cache_alloc_trace+0x323/0x380
[   85.557222]  ? copy_mount_options+0x26f/0x380
[   85.561698]  ksys_mount+0xcf/0x130
[   85.565221]  __x64_sys_mount+0xba/0x150
[   85.569175]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[   85.573753]  do_syscall_64+0xf9/0x620
[   85.577535]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   85.582704] RIP: 0033:0x44d80a
[   85.585875] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 6d a1 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 4a a1 fb ff c3 66 0f 1f 84 00 00 00 00 00
[   85.604759] RSP: 002b:00007fb29c7adbd8 EFLAGS: 00000297 ORIG_RAX: 00000000000000a5
[   85.612453] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 000000000044d80a
[   85.619707] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fb29c7adbf0
[   85.626955] RBP: 00007fb29c7adbf0 R08: 00007fb29c7adc30 R09: 0000000000000000
executing program
[   85.634203] R10: 0000000000000000 R11: 0000000000000297 R12: 0000000000000003
[   85.641452] R13: 00007fb29c7adc30 R14: 00007fb29c7ae6d0 R15: 0000000000000006
[   85.694211] erofs: read_super, device -> /dev/loop0
[   85.699319] erofs: options -> 
[   85.702520] FAULT_INJECTION: forcing a failure.
[   85.702520] name failslab, interval 1, probability 0, space 0, times 0
[   85.713836] CPU: 1 PID: 8158 Comm: syz-executor284 Not tainted 4.19.163-syzkaller #0
[   85.721708] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   85.731125] Call Trace:
[   85.733694]  dump_stack+0x1fc/0x2fe
[   85.737303]  should_fail.cold+0xa/0x14
[   85.741172]  ? setup_fault_attr+0x200/0x200
[   85.745476]  ? lock_acquire+0x170/0x3c0
[   85.749456]  __should_failslab+0x115/0x180
[   85.753674]  should_failslab+0x5/0xf
[   85.757369]  kmem_cache_alloc_trace+0x284/0x380
[   85.762019]  erofs_fill_super+0x167/0x12cc
[   85.766238]  ? init_once+0x13/0x13
[   85.769759]  ? vsprintf+0x30/0x30
[   85.773196]  ? wait_for_completion_io+0x10/0x10
[   85.777844]  ? set_blocksize+0x163/0x3f0
[   85.781887]  mount_bdev+0x2fc/0x3b0
[   85.785491]  ? init_once+0x13/0x13
[   85.789013]  erofs_mount+0x8c/0xc0
[   85.792536]  ? erofs_kill_sb+0x20/0x20
[   85.796405]  ? alloc_pages_current+0x19b/0x2a0
[   85.800967]  ? __lockdep_init_map+0x100/0x5a0
[   85.805443]  mount_fs+0xa3/0x30c
[   85.808798]  vfs_kern_mount.part.0+0x68/0x470
[   85.813285]  do_mount+0x113c/0x2f10
[   85.816895]  ? do_raw_spin_unlock+0x171/0x230
[   85.821370]  ? check_preemption_disabled+0x41/0x280
[   85.826367]  ? copy_mount_string+0x40/0x40
[   85.830581]  ? copy_mount_options+0x59/0x380
[   85.834986]  ? rcu_read_lock_sched_held+0x16c/0x1d0
[   85.839982]  ? kmem_cache_alloc_trace+0x323/0x380
[   85.844805]  ? copy_mount_options+0x26f/0x380
[   85.849285]  ksys_mount+0xcf/0x130
[   85.852806]  __x64_sys_mount+0xba/0x150
[   85.856764]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[   85.861326]  do_syscall_64+0xf9/0x620
[   85.865110]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   85.870279] RIP: 0033:0x44d80a
[   85.873453] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 6d a1 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 4a a1 fb ff c3 66 0f 1f 84 00 00 00 00 00
executing program
[   85.892343] RSP: 002b:00007fb29c7adbd8 EFLAGS: 00000297 ORIG_RAX: 00000000000000a5
[   85.900039] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 000000000044d80a
[   85.907288] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fb29c7adbf0
[   85.914536] RBP: 00007fb29c7adbf0 R08: 00007fb29c7adc30 R09: 0000000000000000
[   85.921784] R10: 0000000000000000 R11: 0000000000000297 R12: 0000000000000003
[   85.929036] R13: 00007fb29c7adc30 R14: 00007fb29c7ae6d0 R15: 0000000000000006
[   85.973909] erofs: read_super, device -> /dev/loop0
[   85.979041] erofs: options -> 
[   85.982273] erofs: root inode @ nid 36
[   85.986234] FAULT_INJECTION: forcing a failure.
[   85.986234] name failslab, interval 1, probability 0, space 0, times 0
[   85.997526] CPU: 1 PID: 8164 Comm: syz-executor284 Not tainted 4.19.163-syzkaller #0
[   86.005396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   86.014729] Call Trace:
[   86.017300]  dump_stack+0x1fc/0x2fe
[   86.020932]  should_fail.cold+0xa/0x14
[   86.024805]  ? setup_fault_attr+0x200/0x200
[   86.029128]  ? lock_acquire+0x170/0x3c0
[   86.033090]  __should_failslab+0x115/0x180
[   86.037304]  should_failslab+0x5/0xf
[   86.041001]  kmem_cache_alloc+0x277/0x370
[   86.045136]  erofs_fill_super+0x10a1/0x12cc
[   86.049439]  ? init_once+0x13/0x13
[   86.052958]  ? vsprintf+0x30/0x30
[   86.056411]  ? wait_for_completion_io+0x10/0x10
[   86.061058]  ? set_blocksize+0x163/0x3f0
[   86.065101]  mount_bdev+0x2fc/0x3b0
[   86.068706]  ? init_once+0x13/0x13
[   86.072228]  erofs_mount+0x8c/0xc0
[   86.075748]  ? erofs_kill_sb+0x20/0x20
[   86.079624]  ? alloc_pages_current+0x19b/0x2a0
[   86.084200]  ? __lockdep_init_map+0x100/0x5a0
[   86.088687]  mount_fs+0xa3/0x30c
[   86.092055]  vfs_kern_mount.part.0+0x68/0x470
[   86.096535]  do_mount+0x113c/0x2f10
[   86.100152]  ? lock_acquire+0x170/0x3c0
[   86.104106]  ? check_preemption_disabled+0x41/0x280
[   86.109104]  ? copy_mount_string+0x40/0x40
[   86.113320]  ? copy_mount_options+0x59/0x380
[   86.117709]  ? rcu_read_lock_sched_held+0x16c/0x1d0
[   86.122706]  ? kmem_cache_alloc_trace+0x323/0x380
[   86.127533]  ? copy_mount_options+0x26f/0x380
[   86.132032]  ksys_mount+0xcf/0x130
[   86.135573]  __x64_sys_mount+0xba/0x150
[   86.139530]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[   86.144095]  do_syscall_64+0xf9/0x620
[   86.147894]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   86.153078] RIP: 0033:0x44d80a
[   86.156250] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 6d a1 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 4a a1 fb ff c3 66 0f 1f 84 00 00 00 00 00
[   86.175131] RSP: 002b:00007fb29c7adbd8 EFLAGS: 00000297 ORIG_RAX: 00000000000000a5
[   86.182824] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 000000000044d80a
[   86.190088] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fb29c7adbf0
[   86.197340] RBP: 00007fb29c7adbf0 R08: 00007fb29c7adc30 R09: 0000000000000000
[   86.204587] R10: 0000000000000000 R11: 0000000000000297 R12: 0000000000000003
[   86.211835] R13: 00007fb29c7adc30 R14: 00007fb29c7ae6d0 R15: 0000000000000006
[   86.220509] BUG: Dentry 000000005d103ad7{i=0,n=/}  still in use (-128) [unmount of erofs loop0]
[   86.230036] ------------[ cut here ]------------
[   86.234928] WARNING: CPU: 1 PID: 8164 at fs/dcache.c:1518 umount_check.cold+0xf2/0x116
[   86.242971] Kernel panic - not syncing: panic_on_warn set ...
[   86.242971] 
[   86.250409] CPU: 1 PID: 8164 Comm: syz-executor284 Not tainted 4.19.163-syzkaller #0
[   86.258274] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   86.267605] Call Trace:
[   86.270175]  dump_stack+0x1fc/0x2fe
[   86.273785]  panic+0x26a/0x50e
[   86.276958]  ? __warn_printk+0xf3/0xf3
[   86.280829]  ? umount_check.cold+0xf2/0x116
[   86.285129]  ? __probe_kernel_read+0x130/0x1b0
[   86.289690]  ? __warn.cold+0x5/0x61
[   86.293301]  ? __warn+0xe4/0x200
[   86.296649]  ? umount_check.cold+0xf2/0x116
[   86.300956]  __warn.cold+0x20/0x61
[   86.304489]  ? umount_check.cold+0xf2/0x116
[   86.308800]  report_bug+0x262/0x2b0
[   86.312414]  do_error_trap+0x1d7/0x310
[   86.316330]  ? math_error+0x310/0x310
[   86.320114]  ? irq_work_claim+0xa6/0xc0
[   86.324069]  ? irq_work_queue+0x29/0x80
[   86.328021]  ? error_entry+0x72/0xd0
[   86.331727]  ? trace_hardirqs_off_caller+0x6e/0x210
[   86.336729]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[   86.341570]  invalid_op+0x14/0x20
[   86.345011] RIP: 0010:umount_check.cold+0xf2/0x116
[   86.349921] Code: ff 4d 89 f1 45 89 e0 48 89 e9 41 55 4c 89 fa 48 89 ee 48 c7 c7 c0 a2 74 88 e8 82 00 a4 ff 48 c7 c7 c0 a1 74 88 e8 76 00 a4 ff <0f> 0b 58 e9 fe 9a ff ff e8 9a 2f ef ff e9 22 ff ff ff 48 89 df e8
[   86.368804] RSP: 0018:ffff8880ab0afa98 EFLAGS: 00010286
[   86.374153] RAX: 0000000000000024 RBX: 0000000000000000 RCX: 0000000000000000
[   86.381410] RDX: 0000000000000000 RSI: ffffffff814fdbb1 RDI: ffffed1015615f45
[   86.388658] RBP: ffff88808e2ec8c0 R08: 0000000000000024 R09: 0000000000000000
[   86.395910] R10: 0000000000000005 R11: 0000000000000000 R12: 00000000ffffff80
[   86.403158] R13: ffff8880aa87d490 R14: ffffffff893f5040 R15: 0000000000000000
[   86.410438]  ? vprintk_func+0x81/0x17e
[   86.414311]  ? umount_check.cold+0xf2/0x116
[   86.418613]  d_walk+0x196/0x990
[   86.421871]  ? shrink_dcache_parent+0x120/0x120
[   86.426520]  ? debug_check_no_obj_freed+0x201/0x482
[   86.431526]  shrink_dcache_for_umount+0x87/0x330
[   86.436267]  generic_shutdown_super+0x68/0x370
[   86.440836]  kill_block_super+0x97/0xf0
[   86.445053]  deactivate_locked_super+0x94/0x160
[   86.449788]  mount_bdev+0x373/0x3b0
[   86.453407]  ? init_once+0x13/0x13
[   86.456928]  erofs_mount+0x8c/0xc0
[   86.460452]  ? erofs_kill_sb+0x20/0x20
[   86.464331]  ? alloc_pages_current+0x19b/0x2a0
[   86.468893]  ? __lockdep_init_map+0x100/0x5a0
[   86.473381]  mount_fs+0xa3/0x30c
[   86.476730]  vfs_kern_mount.part.0+0x68/0x470
[   86.481225]  do_mount+0x113c/0x2f10
[   86.484856]  ? lock_acquire+0x170/0x3c0
[   86.488820]  ? check_preemption_disabled+0x41/0x280
[   86.493826]  ? copy_mount_string+0x40/0x40
[   86.498086]  ? copy_mount_options+0x59/0x380
[   86.502484]  ? rcu_read_lock_sched_held+0x16c/0x1d0
[   86.507482]  ? kmem_cache_alloc_trace+0x323/0x380
[   86.512307]  ? copy_mount_options+0x26f/0x380
[   86.516807]  ksys_mount+0xcf/0x130
[   86.520336]  __x64_sys_mount+0xba/0x150
[   86.524292]  ? lockdep_hardirqs_on+0x3a8/0x5c0
[   86.528855]  do_syscall_64+0xf9/0x620
[   86.532639]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   86.537809] RIP: 0033:0x44d80a
[   86.540985] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 6d a1 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 4a a1 fb ff c3 66 0f 1f 84 00 00 00 00 00
[   86.559872] RSP: 002b:00007fb29c7adbd8 EFLAGS: 00000297 ORIG_RAX: 00000000000000a5
[   86.567578] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 000000000044d80a
[   86.574842] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fb29c7adbf0
[   86.582091] RBP: 00007fb29c7adbf0 R08: 00007fb29c7adc30 R09: 0000000000000000
[   86.589427] R10: 0000000000000000 R11: 0000000000000297 R12: 0000000000000003
[   86.596677] R13: 00007fb29c7adc30 R14: 00007fb29c7ae6d0 R15: 0000000000000006
[   86.604929] Kernel Offset: disabled
[   86.608702] Rebooting in 86400 seconds..