[ 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..