[ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.150' (ECDSA) to the list of known hosts. syzkaller login: [ 33.513993] FAULT_INJECTION: forcing a failure. [ 33.513993] name failslab, interval 1, probability 0, space 0, times 1 [ 33.525263] CPU: 1 PID: 8106 Comm: syz-executor488 Not tainted 4.19.163-syzkaller #0 [ 33.533192] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.542565] Call Trace: [ 33.545183] dump_stack+0x1fc/0x2fe [ 33.548792] should_fail.cold+0xa/0x14 [ 33.552657] ? setup_fault_attr+0x200/0x200 [ 33.556959] ? lock_acquire+0x170/0x3c0 [ 33.560918] __should_failslab+0x115/0x180 [ 33.565133] should_failslab+0x5/0xf [ 33.568824] kmem_cache_alloc+0x277/0x370 [ 33.572950] __delayacct_tsk_init+0x1b/0x80 [ 33.577258] copy_process.part.0+0x3635/0x8200 [ 33.581852] ? __lock_acquire+0x6de/0x3ff0 [ 33.586070] ? debug_object_destroy+0x240/0x240 [ 33.590717] ? mark_held_locks+0xf0/0xf0 [ 33.594757] ? mark_held_locks+0xf0/0xf0 [ 33.598801] ? __cleanup_sighand+0x60/0x60 [ 33.603024] ? switch_task_namespaces+0x67/0xc0 [ 33.607687] ? lock_downgrade+0x720/0x720 [ 33.611823] ? lock_acquire+0x170/0x3c0 [ 33.615798] _do_fork+0x22f/0xf30 [ 33.619235] ? fork_idle+0x220/0x220 [ 33.622925] ? walk_process_tree+0x2c0/0x2c0 [ 33.627311] ? mntput+0x67/0x90 [ 33.630568] ? ksys_chdir+0x12e/0x1d0 [ 33.634351] ? __ia32_sys_access+0x70/0x70 [ 33.638566] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 33.643913] ? trace_hardirqs_off_caller+0x6e/0x210 [ 33.648909] ? do_syscall_64+0x21/0x620 [ 33.652875] do_syscall_64+0xf9/0x620 [ 33.656668] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 33.661850] RIP: 0033:0x444b1a [ 33.665046] Code: f7 d8 64 89 04 25 d4 02 00 00 64 4c 8b 0c 25 10 00 00 00 31 d2 4d 8d 91 d0 02 00 00 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 f5 00 00 00 85 c0 41 89 c5 0f 85 fc 00 00 [ 33.683925] RSP: 002b:00007ffed0dcdaa0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 33.691611] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000444b1a [ 33.698860] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 33.706112] RBP: 00007ffed0dcdac0 R08: 0000000000000000 R09: 0000000000b3a940 executing program [ 33.713374] R10: 0000000000b3ac10 R11: 0000000000000246 R12: 0000000000001faa [ 33.720621] R13: 00000000004032c0 R14: 0000000000000000 R15: 0000000000000000 [ 33.743050] IPVS: ftp: loaded support on port[0] = 21 [ 33.780041] FAULT_INJECTION: forcing a failure. [ 33.780041] name failslab, interval 1, probability 0, space 0, times 0 [ 33.791877] CPU: 0 PID: 8128 Comm: syz-executor488 Not tainted 4.19.163-syzkaller #0 [ 33.799777] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.809136] Call Trace: [ 33.811733] dump_stack+0x1fc/0x2fe [ 33.815372] should_fail.cold+0xa/0x14 [ 33.819253] ? setup_fault_attr+0x200/0x200 [ 33.823554] ? lock_acquire+0x170/0x3c0 [ 33.827515] __should_failslab+0x115/0x180 [ 33.831729] should_failslab+0x5/0xf [ 33.835469] __kmalloc+0x2ab/0x3c0 [ 33.838987] ? __list_lru_init+0xd3/0x7f0 [ 33.843138] __list_lru_init+0xd3/0x7f0 [ 33.847093] ? up_read+0x63/0x110 [ 33.850525] sget_userns+0x810/0xcd0 [ 33.854234] ? set_bdev_super+0x110/0x110 [ 33.858386] ? ns_test_super+0x50/0x50 [ 33.862259] ? set_bdev_super+0x110/0x110 [ 33.866395] ? ns_test_super+0x50/0x50 [ 33.870266] sget+0x102/0x140 [ 33.873356] mount_bdev+0xf8/0x3b0 [ 33.876882] ? init_once+0x13/0x13 [ 33.880403] erofs_mount+0x8c/0xc0 [ 33.883923] ? erofs_kill_sb+0x20/0x20 [ 33.887817] ? alloc_pages_current+0x19b/0x2a0 [ 33.892404] ? __lockdep_init_map+0x100/0x5a0 [ 33.896895] mount_fs+0xa3/0x30c [ 33.900250] vfs_kern_mount.part.0+0x68/0x470 [ 33.904729] do_mount+0x113c/0x2f10 [ 33.908341] ? copy_mount_string+0x40/0x40 [ 33.912560] ? copy_mount_options+0x1cd/0x380 [ 33.917040] ? copy_mount_options+0x1da/0x380 [ 33.921512] ? copy_mount_options+0x1e9/0x380 [ 33.925988] ? copy_mount_options+0x26f/0x380 [ 33.930462] ksys_mount+0xcf/0x130 [ 33.933981] __x64_sys_mount+0xba/0x150 [ 33.937937] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 33.942499] do_syscall_64+0xf9/0x620 [ 33.946281] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 33.951449] RIP: 0033:0x448cca [ 33.954619] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 fd a0 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 da a0 fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 33.973509] RSP: 002b:00007ffed0dcd778 EFLAGS: 00000297 ORIG_RAX: 00000000000000a5 [ 33.981214] RAX: ffffffffffffffda RBX: 00007ffed0dcd7d0 RCX: 0000000000448cca [ 33.988484] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffed0dcd790 [ 33.995739] RBP: 0000000000000006 R08: 00007ffed0dcd7d0 R09: ffffffffffffffff [ 34.003002] R10: 0000000000000000 R11: 0000000000000297 R12: 0000000000000005 [ 34.010252] R13: 00007ffed0dcd790 R14: 0000000000000000 R15: 0000000020000258 executing program [ 34.065443] erofs: read_super, device -> /dev/loop0 [ 34.070682] erofs: options -> [ 34.074035] FAULT_INJECTION: forcing a failure. [ 34.074035] name failslab, interval 1, probability 0, space 0, times 0 [ 34.085695] CPU: 0 PID: 8135 Comm: syz-executor488 Not tainted 4.19.163-syzkaller #0 [ 34.093583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.102918] Call Trace: [ 34.105492] dump_stack+0x1fc/0x2fe [ 34.109115] should_fail.cold+0xa/0x14 [ 34.112983] ? setup_fault_attr+0x200/0x200 [ 34.117291] __should_failslab+0x115/0x180 [ 34.121505] should_failslab+0x5/0xf [ 34.125197] kmem_cache_alloc+0x3f/0x370 [ 34.129249] ? mempool_alloc+0x350/0x350 [ 34.133302] mempool_alloc+0x146/0x350 [ 34.137174] ? mempool_resize+0x790/0x790 [ 34.141317] ? lock_downgrade+0x720/0x720 [ 34.145453] ? mark_held_locks+0xa6/0xf0 [ 34.149495] bio_alloc_bioset+0x389/0x5e0 [ 34.153637] ? __find_get_block+0x314/0xde0 [ 34.158077] ? bvec_alloc+0x2f0/0x2f0 [ 34.161856] ? __getblk_slow+0x6a3/0x9e0 [ 34.165900] submit_bh_wbc+0x141/0x760 [ 34.169770] __bread_gfp+0x14e/0x300 [ 34.173464] erofs_fill_super+0x207/0x12cc [ 34.177694] ? init_once+0x13/0x13 [ 34.181227] ? vsprintf+0x30/0x30 [ 34.184663] ? wait_for_completion_io+0x10/0x10 [ 34.189313] ? set_blocksize+0x163/0x3f0 [ 34.193377] mount_bdev+0x2fc/0x3b0 [ 34.196980] ? init_once+0x13/0x13 [ 34.200501] erofs_mount+0x8c/0xc0 [ 34.204019] ? erofs_kill_sb+0x20/0x20 [ 34.207887] ? alloc_pages_current+0x19b/0x2a0 [ 34.212459] ? __lockdep_init_map+0x100/0x5a0 [ 34.216935] mount_fs+0xa3/0x30c [ 34.220282] vfs_kern_mount.part.0+0x68/0x470 [ 34.224758] do_mount+0x113c/0x2f10 [ 34.228371] ? retint_kernel+0x2d/0x2d [ 34.232262] ? copy_mount_string+0x40/0x40 [ 34.236479] ? copy_mount_options+0x1cd/0x380 [ 34.240966] ? copy_mount_options+0x1da/0x380 [ 34.245458] ? __sanitizer_cov_trace_pc+0x4/0x50 [ 34.250206] ? copy_mount_options+0x26f/0x380 [ 34.254682] ksys_mount+0xcf/0x130 [ 34.258204] __x64_sys_mount+0xba/0x150 [ 34.262155] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 34.266715] do_syscall_64+0xf9/0x620 [ 34.270497] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 34.275666] RIP: 0033:0x448cca [ 34.278849] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 fd a0 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 da a0 fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 34.297737] RSP: 002b:00007ffed0dcd778 EFLAGS: 00000297 ORIG_RAX: 00000000000000a5 [ 34.305451] RAX: ffffffffffffffda RBX: 00007ffed0dcd7d0 RCX: 0000000000448cca [ 34.312780] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffed0dcd790 [ 34.320031] RBP: 0000000000000006 R08: 00007ffed0dcd7d0 R09: ffffffffffffffff [ 34.327281] R10: 0000000000000000 R11: 0000000000000297 R12: 0000000000000005 [ 34.334529] R13: 00007ffed0dcd790 R14: 0000000000000000 R15: 0000000020000258 [ 34.345546] erofs: root inode @ nid 36 [ 34.349975] erofs: mounted on /dev/loop0 with opts: . [ 34.357904] erofs: unmounted for /dev/loop0 executing program [ 34.400938] erofs: read_super, device -> /dev/loop0 [ 34.406541] erofs: options -> [ 34.410333] erofs: root inode @ nid 36 [ 34.414605] FAULT_INJECTION: forcing a failure. [ 34.414605] name failslab, interval 1, probability 0, space 0, times 0 [ 34.428123] CPU: 0 PID: 8142 Comm: syz-executor488 Not tainted 4.19.163-syzkaller #0 [ 34.436021] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.445375] Call Trace: [ 34.447963] dump_stack+0x1fc/0x2fe [ 34.451593] should_fail.cold+0xa/0x14 [ 34.455491] ? setup_fault_attr+0x200/0x200 [ 34.459796] ? lock_acquire+0x170/0x3c0 [ 34.463758] __should_failslab+0x115/0x180 [ 34.467992] should_failslab+0x5/0xf [ 34.471699] kmem_cache_alloc+0x277/0x370 [ 34.475835] ? destroy_inode+0x20/0x20 [ 34.479714] alloc_inode+0x18/0x50 [ 34.483236] ? destroy_inode+0x20/0x20 [ 34.487146] alloc_inode+0x5d/0x180 [ 34.490755] iget_locked+0x193/0x480 [ 34.494446] ? lock_downgrade+0x720/0x720 [ 34.498574] erofs_iget+0x27/0x2204 [ 34.502183] ? do_raw_spin_unlock+0x171/0x230 [ 34.506660] erofs_fill_super+0xf65/0x12cc [ 34.510913] ? init_once+0x13/0x13 [ 34.514432] ? vsprintf+0x30/0x30 [ 34.517868] ? wait_for_completion_io+0x10/0x10 [ 34.522561] ? set_blocksize+0x163/0x3f0 [ 34.526607] mount_bdev+0x2fc/0x3b0 [ 34.530211] ? init_once+0x13/0x13 [ 34.533747] erofs_mount+0x8c/0xc0 [ 34.537269] ? erofs_kill_sb+0x20/0x20 [ 34.541135] ? alloc_pages_current+0x19b/0x2a0 [ 34.545717] ? __lockdep_init_map+0x100/0x5a0 [ 34.550193] mount_fs+0xa3/0x30c [ 34.553541] vfs_kern_mount.part.0+0x68/0x470 [ 34.558017] do_mount+0x113c/0x2f10 [ 34.561624] ? lock_acquire+0x170/0x3c0 [ 34.565578] ? check_preemption_disabled+0x41/0x280 [ 34.570589] ? copy_mount_string+0x40/0x40 [ 34.574804] ? copy_mount_options+0x59/0x380 [ 34.579190] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 34.584195] ? kmem_cache_alloc_trace+0x323/0x380 [ 34.589034] ? copy_mount_options+0x26f/0x380 [ 34.593509] ksys_mount+0xcf/0x130 [ 34.597029] __x64_sys_mount+0xba/0x150 [ 34.601000] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 34.605562] do_syscall_64+0xf9/0x620 [ 34.609367] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 34.614535] RIP: 0033:0x448cca [ 34.617710] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 fd a0 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 da a0 fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 34.636675] RSP: 002b:00007ffed0dcd778 EFLAGS: 00000297 ORIG_RAX: 00000000000000a5 [ 34.644379] RAX: ffffffffffffffda RBX: 00007ffed0dcd7d0 RCX: 0000000000448cca executing program [ 34.651637] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffed0dcd790 [ 34.658910] RBP: 0000000000000006 R08: 00007ffed0dcd7d0 R09: ffffffffffffffff [ 34.666178] R10: 0000000000000000 R11: 0000000000000297 R12: 0000000000000005 [ 34.673427] R13: 00007ffed0dcd790 R14: 0000000000000000 R15: 0000000020000258 [ 34.721030] erofs: read_super, device -> /dev/loop0 [ 34.726917] erofs: options -> [ 34.730227] erofs: root inode @ nid 36 [ 34.734252] erofs: mounted on /dev/loop0 with opts: . [ 34.740816] FAULT_INJECTION: forcing a failure. [ 34.740816] name failslab, interval 1, probability 0, space 0, times 0 [ 34.752617] CPU: 0 PID: 8148 Comm: syz-executor488 Not tainted 4.19.163-syzkaller #0 [ 34.760543] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 34.769876] Call Trace: [ 34.772449] dump_stack+0x1fc/0x2fe [ 34.776062] should_fail.cold+0xa/0x14 [ 34.779935] ? setup_fault_attr+0x200/0x200 [ 34.784236] ? lock_acquire+0x170/0x3c0 [ 34.788194] __should_failslab+0x115/0x180 [ 34.792408] should_failslab+0x5/0xf [ 34.796151] kmem_cache_alloc_trace+0x284/0x380 [ 34.800803] get_mountpoint+0x140/0x3c0 [ 34.804770] lock_mount+0x131/0x4a0 [ 34.808387] ? lookup_mnt+0x420/0x420 [ 34.812177] ? vfs_kern_mount.part.0+0x2b4/0x470 [ 34.816963] do_add_mount+0x73/0x560 [ 34.820669] ? graft_tree+0x210/0x210 [ 34.824473] ? do_raw_spin_unlock+0x171/0x230 [ 34.828962] ? _raw_spin_unlock+0x29/0x40 [ 34.833099] ? vfs_kern_mount.part.0+0x2b9/0x470 [ 34.837852] do_mount+0x1956/0x2f10 [ 34.841475] ? lock_acquire+0x170/0x3c0 [ 34.845433] ? check_preemption_disabled+0x41/0x280 [ 34.850433] ? copy_mount_string+0x40/0x40 [ 34.854648] ? copy_mount_options+0x59/0x380 [ 34.859043] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 34.864061] ? kmem_cache_alloc_trace+0x323/0x380 [ 34.868887] ? copy_mount_options+0x26f/0x380 [ 34.873364] ksys_mount+0xcf/0x130 [ 34.876892] __x64_sys_mount+0xba/0x150 [ 34.880848] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 34.885430] do_syscall_64+0xf9/0x620 [ 34.889215] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 34.894389] RIP: 0033:0x448cca [ 34.897586] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 fd a0 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 da a0 fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 34.916473] RSP: 002b:00007ffed0dcd778 EFLAGS: 00000297 ORIG_RAX: 00000000000000a5 [ 34.924342] RAX: ffffffffffffffda RBX: 00007ffed0dcd7d0 RCX: 0000000000448cca [ 34.931616] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffed0dcd790 [ 34.938869] RBP: 0000000000000006 R08: 00007ffed0dcd7d0 R09: ffffffffffffffff [ 34.946120] R10: 0000000000000000 R11: 0000000000000297 R12: 0000000000000005 [ 34.953371] R13: 00007ffed0dcd790 R14: 0000000000000000 R15: 0000000020000258 [ 34.964502] erofs: unmounted for /dev/loop0 executing program [ 35.013612] erofs: read_super, device -> /dev/loop0 [ 35.019000] erofs: options -> [ 35.022424] FAULT_INJECTION: forcing a failure. [ 35.022424] name failslab, interval 1, probability 0, space 0, times 0 [ 35.034421] CPU: 1 PID: 8154 Comm: syz-executor488 Not tainted 4.19.163-syzkaller #0 [ 35.042495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.051877] Call Trace: [ 35.054486] dump_stack+0x1fc/0x2fe [ 35.058122] should_fail.cold+0xa/0x14 [ 35.062036] ? setup_fault_attr+0x200/0x200 [ 35.066368] __should_failslab+0x115/0x180 [ 35.070633] should_failslab+0x5/0xf [ 35.074344] kmem_cache_alloc+0x3f/0x370 [ 35.078444] ? mempool_alloc+0x350/0x350 [ 35.082518] mempool_alloc+0x146/0x350 [ 35.086618] ? mempool_resize+0x790/0x790 [ 35.090763] ? lock_downgrade+0x720/0x720 [ 35.094940] ? mark_held_locks+0xa6/0xf0 [ 35.099027] bio_alloc_bioset+0x389/0x5e0 [ 35.103257] ? __find_get_block+0x314/0xde0 [ 35.107574] ? bvec_alloc+0x2f0/0x2f0 [ 35.111365] ? __getblk_slow+0x6a3/0x9e0 [ 35.115418] submit_bh_wbc+0x141/0x760 [ 35.119296] __bread_gfp+0x14e/0x300 [ 35.123001] erofs_fill_super+0x207/0x12cc [ 35.127228] ? init_once+0x13/0x13 [ 35.130790] ? vsprintf+0x30/0x30 [ 35.134247] ? wait_for_completion_io+0x10/0x10 [ 35.138950] ? set_blocksize+0x163/0x3f0 [ 35.143124] mount_bdev+0x2fc/0x3b0 [ 35.146744] ? init_once+0x13/0x13 [ 35.150287] erofs_mount+0x8c/0xc0 [ 35.153827] ? erofs_kill_sb+0x20/0x20 [ 35.157706] ? alloc_pages_current+0x19b/0x2a0 [ 35.162309] ? __lockdep_init_map+0x100/0x5a0 [ 35.166795] mount_fs+0xa3/0x30c [ 35.170186] vfs_kern_mount.part.0+0x68/0x470 [ 35.174828] do_mount+0x113c/0x2f10 [ 35.178466] ? lock_acquire+0x170/0x3c0 [ 35.182430] ? check_preemption_disabled+0x41/0x280 [ 35.187574] ? copy_mount_string+0x40/0x40 [ 35.191839] ? copy_mount_options+0x59/0x380 [ 35.196246] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 35.201260] ? kmem_cache_alloc_trace+0x323/0x380 [ 35.206249] ? copy_mount_options+0x26f/0x380 [ 35.210797] ksys_mount+0xcf/0x130 [ 35.214337] __x64_sys_mount+0xba/0x150 [ 35.218313] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 35.223027] do_syscall_64+0xf9/0x620 [ 35.226852] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 35.232041] RIP: 0033:0x448cca [ 35.235266] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 fd a0 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 da a0 fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 35.255445] RSP: 002b:00007ffed0dcd778 EFLAGS: 00000297 ORIG_RAX: 00000000000000a5 [ 35.263416] RAX: ffffffffffffffda RBX: 00007ffed0dcd7d0 RCX: 0000000000448cca [ 35.270692] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffed0dcd790 [ 35.277959] RBP: 0000000000000006 R08: 00007ffed0dcd7d0 R09: ffffffffffffffff [ 35.285227] R10: 0000000000000000 R11: 0000000000000297 R12: 0000000000000005 [ 35.292731] R13: 00007ffed0dcd790 R14: 0000000000000000 R15: 0000000020000258 [ 35.303065] erofs: root inode @ nid 36 executing program [ 35.321924] erofs: mounted on /dev/loop0 with opts: . [ 35.329447] erofs: unmounted for /dev/loop0 [ 35.371822] erofs: read_super, device -> /dev/loop0 [ 35.377129] erofs: options -> [ 35.380459] erofs: root inode @ nid 36 [ 35.386235] FAULT_INJECTION: forcing a failure. [ 35.386235] name failslab, interval 1, probability 0, space 0, times 0 [ 35.398052] CPU: 1 PID: 8161 Comm: syz-executor488 Not tainted 4.19.163-syzkaller #0 [ 35.405949] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.415368] Call Trace: [ 35.418116] dump_stack+0x1fc/0x2fe [ 35.421756] should_fail.cold+0xa/0x14 [ 35.425845] ? setup_fault_attr+0x200/0x200 [ 35.430168] ? lock_acquire+0x170/0x3c0 [ 35.434276] __should_failslab+0x115/0x180 [ 35.438518] should_failslab+0x5/0xf [ 35.442229] kmem_cache_alloc+0x277/0x370 [ 35.446384] ? destroy_inode+0x20/0x20 [ 35.450269] alloc_inode+0x18/0x50 [ 35.453806] ? destroy_inode+0x20/0x20 [ 35.457692] alloc_inode+0x5d/0x180 [ 35.461450] new_inode+0x1d/0xf0 [ 35.464816] erofs_fill_super+0xde9/0x12cc [ 35.469148] ? init_once+0x13/0x13 [ 35.472700] ? vsprintf+0x30/0x30 [ 35.476152] ? wait_for_completion_io+0x10/0x10 [ 35.480818] ? set_blocksize+0x163/0x3f0 [ 35.484880] mount_bdev+0x2fc/0x3b0 [ 35.488812] ? init_once+0x13/0x13 [ 35.492927] erofs_mount+0x8c/0xc0 [ 35.496801] ? erofs_kill_sb+0x20/0x20 [ 35.500851] ? alloc_pages_current+0x19b/0x2a0 [ 35.505430] ? __lockdep_init_map+0x100/0x5a0 [ 35.509934] mount_fs+0xa3/0x30c [ 35.513302] vfs_kern_mount.part.0+0x68/0x470 [ 35.517796] do_mount+0x113c/0x2f10 [ 35.521423] ? do_raw_spin_unlock+0x171/0x230 [ 35.525915] ? check_preemption_disabled+0x41/0x280 [ 35.531002] ? copy_mount_string+0x40/0x40 [ 35.535251] ? copy_mount_options+0x59/0x380 [ 35.539721] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 35.544739] ? kmem_cache_alloc_trace+0x323/0x380 [ 35.549580] ? copy_mount_options+0x26f/0x380 [ 35.554196] ksys_mount+0xcf/0x130 [ 35.557868] __x64_sys_mount+0xba/0x150 [ 35.561921] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 35.566503] do_syscall_64+0xf9/0x620 [ 35.570305] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 35.575889] RIP: 0033:0x448cca [ 35.579077] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 fd a0 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 da a0 fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 35.598039] RSP: 002b:00007ffed0dcd778 EFLAGS: 00000297 ORIG_RAX: 00000000000000a5 [ 35.605874] RAX: ffffffffffffffda RBX: 00007ffed0dcd7d0 RCX: 0000000000448cca [ 35.613477] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffed0dcd790 [ 35.620761] RBP: 0000000000000006 R08: 00007ffed0dcd7d0 R09: ffffffffffffffff [ 35.628429] R10: 0000000000000000 R11: 0000000000000297 R12: 0000000000000005 [ 35.635821] R13: 00007ffed0dcd790 R14: 0000000000000000 R15: 0000000020000258 executing program [ 35.699435] erofs: read_super, device -> /dev/loop0 [ 35.705258] erofs: options -> [ 35.712953] erofs: root inode @ nid 36 [ 35.717385] FAULT_INJECTION: forcing a failure. [ 35.717385] name failslab, interval 1, probability 0, space 0, times 0 [ 35.728898] CPU: 1 PID: 8166 Comm: syz-executor488 Not tainted 4.19.163-syzkaller #0 [ 35.736945] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.746691] Call Trace: [ 35.749518] dump_stack+0x1fc/0x2fe [ 35.753417] should_fail.cold+0xa/0x14 [ 35.757499] ? setup_fault_attr+0x200/0x200 [ 35.762079] ? lock_acquire+0x170/0x3c0 [ 35.766204] __should_failslab+0x115/0x180 [ 35.770532] should_failslab+0x5/0xf [ 35.774391] kmem_cache_alloc+0x277/0x370 [ 35.778627] __d_alloc+0x2b/0xa10 [ 35.782170] d_make_root+0x3e/0x90 [ 35.785718] erofs_fill_super+0x102f/0x12cc [ 35.790043] ? init_once+0x13/0x13 [ 35.793795] ? vsprintf+0x30/0x30 [ 35.797258] ? wait_for_completion_io+0x10/0x10 [ 35.801931] ? set_blocksize+0x163/0x3f0 [ 35.806147] mount_bdev+0x2fc/0x3b0 [ 35.809774] ? init_once+0x13/0x13 [ 35.813400] erofs_mount+0x8c/0xc0 [ 35.817104] ? erofs_kill_sb+0x20/0x20 [ 35.821229] ? alloc_pages_current+0x19b/0x2a0 [ 35.825909] ? __lockdep_init_map+0x100/0x5a0 [ 35.830408] mount_fs+0xa3/0x30c [ 35.833776] vfs_kern_mount.part.0+0x68/0x470 [ 35.838497] do_mount+0x113c/0x2f10 [ 35.842263] ? lock_acquire+0x170/0x3c0 [ 35.846242] ? check_preemption_disabled+0x41/0x280 [ 35.851263] ? copy_mount_string+0x40/0x40 [ 35.855746] ? copy_mount_options+0x59/0x380 [ 35.860151] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 35.865165] ? kmem_cache_alloc_trace+0x323/0x380 [ 35.870265] ? copy_mount_options+0x26f/0x380 [ 35.874946] ksys_mount+0xcf/0x130 [ 35.878618] __x64_sys_mount+0xba/0x150 [ 35.882749] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 35.887574] do_syscall_64+0xf9/0x620 [ 35.891385] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 35.896737] RIP: 0033:0x448cca [ 35.900031] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 fd a0 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 da a0 fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 35.919658] RSP: 002b:00007ffed0dcd778 EFLAGS: 00000297 ORIG_RAX: 00000000000000a5 [ 35.927554] RAX: ffffffffffffffda RBX: 00007ffed0dcd7d0 RCX: 0000000000448cca [ 35.934975] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffed0dcd790 [ 35.942367] RBP: 0000000000000006 R08: 00007ffed0dcd7d0 R09: ffffffffffffffff [ 35.949630] R10: 0000000000000000 R11: 0000000000000297 R12: 0000000000000005 [ 35.957293] R13: 00007ffed0dcd790 R14: 0000000000000000 R15: 0000000020000258 [ 35.965887] ------------[ cut here ]------------ [ 35.970664] kernel BUG at fs/inode.c:1571! [ 35.975087] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 35.980625] CPU: 1 PID: 8166 Comm: syz-executor488 Not tainted 4.19.163-syzkaller #0 [ 35.988660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.998359] RIP: 0010:iput+0x727/0x860 [ 36.002385] Code: b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 84 18 fd ff ff 48 8b 3c 24 e8 93 be ee ff e9 0a fd ff ff e8 c9 95 b8 ff <0f> 0b e8 c2 95 b8 ff 48 89 ef e8 1a f7 ff ff 4c 89 f7 e8 42 9d 69 [ 36.021858] RSP: 0018:ffff888098cafa80 EFLAGS: 00010293 [ 36.027380] RAX: ffff8880934ac500 RBX: 0000000000000040 RCX: ffffffff81ac337e [ 36.034997] RDX: 0000000000000000 RSI: ffffffff81ac3a47 RDI: 0000000000000007 [ 36.042432] RBP: ffff88808b0289d8 R08: 0000000000000000 R09: 0000000000000000 [ 36.050058] R10: 0000000000000007 R11: 0000000000000000 R12: ffff8880ab7dbd40 [ 36.057472] R13: ffff88808b0289d8 R14: 0000000000000000 R15: 00000000fffffff4 [ 36.064873] FS: 0000000000b3a940(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 36.073092] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.078972] CR2: 00005562c43f4720 CR3: 000000009a9fc000 CR4: 00000000001406e0 [ 36.086367] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 36.094072] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 36.101491] Call Trace: [ 36.104086] erofs_fill_super+0x1205/0x12cc [ 36.108611] ? init_once+0x13/0x13 [ 36.112147] ? vsprintf+0x30/0x30 [ 36.115597] ? wait_for_completion_io+0x10/0x10 [ 36.120367] ? set_blocksize+0x163/0x3f0 [ 36.124594] mount_bdev+0x2fc/0x3b0 [ 36.128216] ? init_once+0x13/0x13 [ 36.131879] erofs_mount+0x8c/0xc0 [ 36.135424] ? erofs_kill_sb+0x20/0x20 [ 36.139308] ? alloc_pages_current+0x19b/0x2a0 [ 36.144290] ? __lockdep_init_map+0x100/0x5a0 [ 36.148789] mount_fs+0xa3/0x30c [ 36.152401] vfs_kern_mount.part.0+0x68/0x470 [ 36.156991] do_mount+0x113c/0x2f10 [ 36.160616] ? lock_acquire+0x170/0x3c0 [ 36.164588] ? check_preemption_disabled+0x41/0x280 [ 36.169602] ? copy_mount_string+0x40/0x40 [ 36.173839] ? copy_mount_options+0x59/0x380 [ 36.178249] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 36.183390] ? kmem_cache_alloc_trace+0x323/0x380 [ 36.188554] ? copy_mount_options+0x26f/0x380 [ 36.193256] ksys_mount+0xcf/0x130 [ 36.196795] __x64_sys_mount+0xba/0x150 [ 36.201086] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 36.205942] do_syscall_64+0xf9/0x620 [ 36.210038] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 36.215226] RIP: 0033:0x448cca [ 36.218542] Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 fd a0 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 da a0 fb ff c3 66 0f 1f 84 00 00 00 00 00 [ 36.237673] RSP: 002b:00007ffed0dcd778 EFLAGS: 00000297 ORIG_RAX: 00000000000000a5 [ 36.245594] RAX: ffffffffffffffda RBX: 00007ffed0dcd7d0 RCX: 0000000000448cca [ 36.252853] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffed0dcd790 [ 36.260118] RBP: 0000000000000006 R08: 00007ffed0dcd7d0 R09: ffffffffffffffff [ 36.267468] R10: 0000000000000000 R11: 0000000000000297 R12: 0000000000000005 [ 36.274752] R13: 00007ffed0dcd790 R14: 0000000000000000 R15: 0000000020000258 [ 36.282292] Modules linked in: [ 36.286143] ---[ end trace fa58874dfeb1611c ]--- [ 36.290923] RIP: 0010:iput+0x727/0x860 [ 36.294876] Code: b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 84 18 fd ff ff 48 8b 3c 24 e8 93 be ee ff e9 0a fd ff ff e8 c9 95 b8 ff <0f> 0b e8 c2 95 b8 ff 48 89 ef e8 1a f7 ff ff 4c 89 f7 e8 42 9d 69 [ 36.314400] RSP: 0018:ffff888098cafa80 EFLAGS: 00010293 [ 36.320040] RAX: ffff8880934ac500 RBX: 0000000000000040 RCX: ffffffff81ac337e [ 36.327529] RDX: 0000000000000000 RSI: ffffffff81ac3a47 RDI: 0000000000000007 [ 36.335176] RBP: ffff88808b0289d8 R08: 0000000000000000 R09: 0000000000000000 [ 36.342441] R10: 0000000000000007 R11: 0000000000000000 R12: ffff8880ab7dbd40 [ 36.349912] R13: ffff88808b0289d8 R14: 0000000000000000 R15: 00000000fffffff4 [ 36.357427] FS: 0000000000b3a940(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 36.366002] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 36.372159] CR2: 00005562c43f4720 CR3: 000000009a9fc000 CR4: 00000000001406e0 [ 36.379686] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 36.387267] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 36.394605] Kernel panic - not syncing: Fatal exception [ 36.401321] Kernel Offset: disabled [ 36.405310] Rebooting in 86400 seconds..