[ 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 '10.128.0.135' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 69.211951] FAULT_INJECTION: forcing a failure. [ 69.211951] name failslab, interval 1, probability 0, space 0, times 1 [ 69.225467] CPU: 0 PID: 7964 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 69.233348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 69.242676] Call Trace: [ 69.245243] dump_stack+0x1b2/0x281 [ 69.248848] should_fail.cold+0x10a/0x149 [ 69.252976] should_failslab+0xd6/0x130 [ 69.256929] kmem_cache_alloc+0x28e/0x3c0 [ 69.261055] __d_alloc+0x2a/0xa20 [ 69.264484] ? d_lookup+0x172/0x220 [ 69.268088] d_alloc+0x46/0x240 [ 69.271341] __lookup_hash+0x101/0x270 [ 69.275206] ? __inode_permission+0xcd/0x2f0 [ 69.279587] lookup_one_len+0x279/0x3a0 [ 69.283542] ? lookup_one_len_unlocked+0x410/0x410 [ 69.288451] start_creating+0xb0/0x200 [ 69.292312] __debugfs_create_file+0x4f/0x440 [ 69.296780] ? debugfs_create_file+0x37/0x60 [ 69.301163] bdi_register_va.part.0+0x1f4/0x650 [ 69.305810] bdi_register+0x101/0x110 [ 69.309588] ? bdi_register_va+0x80/0x80 [ 69.313625] ? vsnprintf+0x260/0x1340 [ 69.317403] bdi_register_owner+0x59/0xf0 [ 69.321525] device_add_disk+0x5bb/0xdc0 [ 69.325565] ? sprintf+0xa7/0xd0 [ 69.328905] ? blk_alloc_devt+0x310/0x310 [ 69.333028] ? __lockdep_init_map+0x100/0x560 [ 69.337523] ? __lockdep_init_map+0x100/0x560 [ 69.341994] loop_add+0x615/0x830 [ 69.345428] ? loop_queue_rq+0x280/0x280 [ 69.349459] ? loop_queue_work+0x21e0/0x21e0 [ 69.353841] loop_control_ioctl+0x11a/0x3f0 [ 69.358132] ? loop_lookup+0x190/0x190 [ 69.361995] ? SyS_write+0x1b7/0x210 [ 69.365687] ? loop_lookup+0x190/0x190 [ 69.369549] do_vfs_ioctl+0x75a/0xff0 [ 69.373323] ? lock_acquire+0x170/0x3f0 [ 69.377269] ? ioctl_preallocate+0x1a0/0x1a0 [ 69.381652] ? __fget+0x265/0x3e0 [ 69.385078] ? do_vfs_ioctl+0xff0/0xff0 [ 69.389026] ? security_file_ioctl+0x83/0xb0 [ 69.393438] SyS_ioctl+0x7f/0xb0 [ 69.396776] ? do_vfs_ioctl+0xff0/0xff0 [ 69.400724] do_syscall_64+0x1d5/0x640 [ 69.404620] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 executing program executing program [ 69.409793] RIP: 0033:0x7f23b7998ba9 [ 69.413474] RSP: 002b:00007f23b79292f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 69.421155] RAX: ffffffffffffffda RBX: 00007f23b7a214b8 RCX: 00007f23b7998ba9 [ 69.428397] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 69.435642] RBP: 00007f23b7a214b0 R08: 0000000000000002 R09: 0000000000003138 [ 69.442885] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b7929300 [ 69.450159] R13: 0000000000000002 R14: 00007f23b7929400 R15: 0000000000022000 [ 69.530259] FAULT_INJECTION: forcing a failure. [ 69.530259] name failslab, interval 1, probability 0, space 0, times 0 [ 69.545174] CPU: 0 PID: 7974 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 69.553053] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 69.562385] Call Trace: [ 69.564947] dump_stack+0x1b2/0x281 [ 69.568553] should_fail.cold+0x10a/0x149 [ 69.572674] should_failslab+0xd6/0x130 [ 69.576627] kmem_cache_alloc+0x28e/0x3c0 [ 69.580751] alloc_inode+0xa0/0x170 [ 69.584350] new_inode+0x1d/0xf0 [ 69.587694] debugfs_get_inode+0x1a/0x130 [ 69.591813] __debugfs_create_file+0x93/0x440 [ 69.596280] ? debugfs_create_file+0x37/0x60 [ 69.600665] bdi_register_va.part.0+0x1f4/0x650 [ 69.605306] bdi_register+0x101/0x110 [ 69.609079] ? bdi_register_va+0x80/0x80 [ 69.613115] ? vsnprintf+0x260/0x1340 [ 69.616900] bdi_register_owner+0x59/0xf0 [ 69.621024] device_add_disk+0x5bb/0xdc0 [ 69.625145] ? sprintf+0xa7/0xd0 [ 69.628490] ? blk_alloc_devt+0x310/0x310 [ 69.632620] ? __lockdep_init_map+0x100/0x560 [ 69.637091] ? __lockdep_init_map+0x100/0x560 [ 69.641565] loop_add+0x615/0x830 [ 69.644990] ? loop_queue_rq+0x280/0x280 [ 69.649020] ? loop_queue_work+0x21e0/0x21e0 [ 69.653401] loop_control_ioctl+0x11a/0x3f0 [ 69.657693] ? loop_lookup+0x190/0x190 [ 69.661553] ? SyS_write+0x1b7/0x210 [ 69.665244] ? loop_lookup+0x190/0x190 [ 69.669105] do_vfs_ioctl+0x75a/0xff0 [ 69.672882] ? lock_acquire+0x170/0x3f0 [ 69.676839] ? ioctl_preallocate+0x1a0/0x1a0 [ 69.681220] ? __fget+0x265/0x3e0 [ 69.684646] ? do_vfs_ioctl+0xff0/0xff0 [ 69.690158] ? security_file_ioctl+0x83/0xb0 [ 69.694546] SyS_ioctl+0x7f/0xb0 [ 69.697906] ? do_vfs_ioctl+0xff0/0xff0 [ 69.701857] do_syscall_64+0x1d5/0x640 [ 69.705720] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 69.710883] RIP: 0033:0x7f23b7998ba9 [ 69.714565] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 69.722257] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 executing program executing program [ 69.729497] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 69.736740] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 69.743983] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 69.751226] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 69.822305] FAULT_INJECTION: forcing a failure. [ 69.822305] name failslab, interval 1, probability 0, space 0, times 0 [ 69.833653] CPU: 1 PID: 7985 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 69.841521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 69.850852] Call Trace: [ 69.853418] dump_stack+0x1b2/0x281 [ 69.857025] should_fail.cold+0x10a/0x149 [ 69.861151] should_failslab+0xd6/0x130 [ 69.865100] kmem_cache_alloc+0x28e/0x3c0 [ 69.869240] alloc_inode+0xa0/0x170 [ 69.872839] new_inode+0x1d/0xf0 [ 69.876179] debugfs_get_inode+0x1a/0x130 [ 69.880301] debugfs_create_dir+0x63/0x420 [ 69.884509] bdi_register_va.part.0+0x1ad/0x650 [ 69.889156] bdi_register+0x101/0x110 [ 69.892929] ? bdi_register_va+0x80/0x80 [ 69.896973] ? vsnprintf+0x260/0x1340 [ 69.900761] bdi_register_owner+0x59/0xf0 [ 69.904887] device_add_disk+0x5bb/0xdc0 [ 69.909039] ? sprintf+0xa7/0xd0 [ 69.912387] ? blk_alloc_devt+0x310/0x310 [ 69.916515] ? __lockdep_init_map+0x100/0x560 [ 69.921027] ? __lockdep_init_map+0x100/0x560 [ 69.925521] loop_add+0x615/0x830 [ 69.928958] ? loop_queue_rq+0x280/0x280 [ 69.932996] ? loop_queue_work+0x21e0/0x21e0 [ 69.937395] loop_control_ioctl+0x11a/0x3f0 [ 69.941696] ? loop_lookup+0x190/0x190 [ 69.945560] ? SyS_write+0x1b7/0x210 [ 69.949280] ? loop_lookup+0x190/0x190 [ 69.953158] do_vfs_ioctl+0x75a/0xff0 [ 69.956946] ? lock_acquire+0x170/0x3f0 [ 69.960906] ? ioctl_preallocate+0x1a0/0x1a0 [ 69.965290] ? __fget+0x265/0x3e0 [ 69.968729] ? do_vfs_ioctl+0xff0/0xff0 [ 69.972680] ? security_file_ioctl+0x83/0xb0 [ 69.977063] SyS_ioctl+0x7f/0xb0 [ 69.980403] ? do_vfs_ioctl+0xff0/0xff0 [ 69.984362] do_syscall_64+0x1d5/0x640 [ 69.988236] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 69.993407] RIP: 0033:0x7f23b7998ba9 [ 69.997096] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 70.004791] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 70.012051] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 executing program [ 70.019300] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 70.026545] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 70.033787] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 70.101072] FAULT_INJECTION: forcing a failure. [ 70.101072] name failslab, interval 1, probability 0, space 0, times 0 [ 70.112497] CPU: 1 PID: 7994 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 70.120365] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 70.129694] Call Trace: [ 70.132258] dump_stack+0x1b2/0x281 [ 70.135860] should_fail.cold+0x10a/0x149 [ 70.139985] should_failslab+0xd6/0x130 [ 70.143933] kmem_cache_alloc+0x28e/0x3c0 [ 70.148057] alloc_inode+0xa0/0x170 [ 70.151655] new_inode+0x1d/0xf0 [ 70.154995] debugfs_get_inode+0x1a/0x130 [ 70.159118] __debugfs_create_file+0x93/0x440 [ 70.163588] ? debugfs_create_file+0x37/0x60 [ 70.167971] bdi_register_va.part.0+0x1f4/0x650 [ 70.172612] bdi_register+0x101/0x110 [ 70.176387] ? bdi_register_va+0x80/0x80 [ 70.180425] ? vsnprintf+0x260/0x1340 [ 70.184204] bdi_register_owner+0x59/0xf0 [ 70.188326] device_add_disk+0x5bb/0xdc0 [ 70.192361] ? sprintf+0xa7/0xd0 [ 70.195700] ? blk_alloc_devt+0x310/0x310 [ 70.199831] ? __lockdep_init_map+0x100/0x560 [ 70.204386] ? __lockdep_init_map+0x100/0x560 [ 70.208869] loop_add+0x615/0x830 [ 70.212304] ? loop_queue_rq+0x280/0x280 [ 70.216351] ? loop_queue_work+0x21e0/0x21e0 [ 70.220732] loop_control_ioctl+0x11a/0x3f0 [ 70.225026] ? loop_lookup+0x190/0x190 [ 70.228887] ? SyS_write+0x1b7/0x210 [ 70.232579] ? loop_lookup+0x190/0x190 [ 70.236439] do_vfs_ioctl+0x75a/0xff0 [ 70.240213] ? lock_acquire+0x170/0x3f0 [ 70.244160] ? ioctl_preallocate+0x1a0/0x1a0 [ 70.248540] ? __fget+0x265/0x3e0 [ 70.251966] ? do_vfs_ioctl+0xff0/0xff0 [ 70.255915] ? security_file_ioctl+0x83/0xb0 [ 70.260296] SyS_ioctl+0x7f/0xb0 [ 70.263633] ? do_vfs_ioctl+0xff0/0xff0 [ 70.267585] do_syscall_64+0x1d5/0x640 [ 70.271448] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 70.276610] RIP: 0033:0x7f23b7998ba9 [ 70.280292] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 70.287973] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 executing program [ 70.295217] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 70.302463] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 70.309705] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 70.316961] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 70.360003] FAULT_INJECTION: forcing a failure. [ 70.360003] name failslab, interval 1, probability 0, space 0, times 0 [ 70.371877] CPU: 0 PID: 8003 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 70.379762] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 70.389091] Call Trace: [ 70.391657] dump_stack+0x1b2/0x281 [ 70.395262] should_fail.cold+0x10a/0x149 [ 70.399389] should_failslab+0xd6/0x130 [ 70.403367] kmem_cache_alloc+0x28e/0x3c0 [ 70.407501] alloc_inode+0xa0/0x170 [ 70.411100] new_inode+0x1d/0xf0 [ 70.414438] debugfs_get_inode+0x1a/0x130 [ 70.418559] debugfs_create_dir+0x63/0x420 [ 70.422769] bdi_register_va.part.0+0x1ad/0x650 [ 70.427413] bdi_register+0x101/0x110 [ 70.431186] ? bdi_register_va+0x80/0x80 [ 70.435310] ? vsnprintf+0x260/0x1340 [ 70.439095] bdi_register_owner+0x59/0xf0 [ 70.443218] device_add_disk+0x5bb/0xdc0 [ 70.447254] ? sprintf+0xa7/0xd0 [ 70.450592] ? blk_alloc_devt+0x310/0x310 [ 70.454717] ? __lockdep_init_map+0x100/0x560 [ 70.459187] ? __lockdep_init_map+0x100/0x560 [ 70.463654] loop_add+0x615/0x830 [ 70.467080] ? loop_queue_rq+0x280/0x280 [ 70.471111] ? loop_queue_work+0x21e0/0x21e0 [ 70.475494] loop_control_ioctl+0x11a/0x3f0 [ 70.479785] ? loop_lookup+0x190/0x190 [ 70.483644] ? SyS_write+0x1b7/0x210 [ 70.487331] ? loop_lookup+0x190/0x190 [ 70.491192] do_vfs_ioctl+0x75a/0xff0 [ 70.494987] ? lock_acquire+0x170/0x3f0 [ 70.499023] ? ioctl_preallocate+0x1a0/0x1a0 [ 70.503404] ? __fget+0x265/0x3e0 [ 70.506830] ? do_vfs_ioctl+0xff0/0xff0 [ 70.510781] ? security_file_ioctl+0x83/0xb0 [ 70.515160] SyS_ioctl+0x7f/0xb0 [ 70.518496] ? do_vfs_ioctl+0xff0/0xff0 [ 70.522444] do_syscall_64+0x1d5/0x640 [ 70.526306] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 70.531466] RIP: 0033:0x7f23b7998ba9 [ 70.535148] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 70.542829] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 70.550071] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 executing program [ 70.557311] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 70.564554] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 70.571800] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 70.639768] FAULT_INJECTION: forcing a failure. [ 70.639768] name failslab, interval 1, probability 0, space 0, times 0 [ 70.650996] CPU: 1 PID: 8012 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 70.658850] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 70.668184] Call Trace: [ 70.670749] dump_stack+0x1b2/0x281 [ 70.674352] should_fail.cold+0x10a/0x149 [ 70.678474] should_failslab+0xd6/0x130 [ 70.682422] kmem_cache_alloc+0x28e/0x3c0 [ 70.686551] __d_alloc+0x2a/0xa20 [ 70.689996] ? d_lookup+0x172/0x220 [ 70.693686] d_alloc+0x46/0x240 [ 70.696944] __lookup_hash+0x101/0x270 [ 70.700808] ? __inode_permission+0xcd/0x2f0 [ 70.705191] lookup_one_len+0x279/0x3a0 [ 70.709167] ? lookup_one_len_unlocked+0x410/0x410 [ 70.714076] start_creating+0xb0/0x200 [ 70.717946] __debugfs_create_file+0x4f/0x440 [ 70.722412] ? debugfs_create_file+0x37/0x60 [ 70.726798] bdi_register_va.part.0+0x1f4/0x650 [ 70.731440] bdi_register+0x101/0x110 [ 70.735213] ? bdi_register_va+0x80/0x80 [ 70.739249] ? vsnprintf+0x260/0x1340 [ 70.743027] bdi_register_owner+0x59/0xf0 [ 70.747147] device_add_disk+0x5bb/0xdc0 [ 70.751192] ? sprintf+0xa7/0xd0 [ 70.754540] ? blk_alloc_devt+0x310/0x310 [ 70.758673] ? __lockdep_init_map+0x100/0x560 [ 70.763158] ? __lockdep_init_map+0x100/0x560 [ 70.767633] loop_add+0x615/0x830 [ 70.771068] ? loop_queue_rq+0x280/0x280 [ 70.775102] ? loop_queue_work+0x21e0/0x21e0 [ 70.779489] loop_control_ioctl+0x11a/0x3f0 [ 70.783786] ? loop_lookup+0x190/0x190 [ 70.787649] ? SyS_write+0x1b7/0x210 [ 70.791337] ? loop_lookup+0x190/0x190 [ 70.795208] do_vfs_ioctl+0x75a/0xff0 [ 70.799001] ? lock_acquire+0x170/0x3f0 [ 70.802952] ? ioctl_preallocate+0x1a0/0x1a0 [ 70.807339] ? __fget+0x265/0x3e0 [ 70.810771] ? do_vfs_ioctl+0xff0/0xff0 [ 70.814723] ? security_file_ioctl+0x83/0xb0 [ 70.819248] SyS_ioctl+0x7f/0xb0 [ 70.822596] ? do_vfs_ioctl+0xff0/0xff0 [ 70.826549] do_syscall_64+0x1d5/0x640 [ 70.830415] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 70.835581] RIP: 0033:0x7f23b7998ba9 executing program executing program [ 70.839264] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 70.846945] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 70.854214] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 70.861457] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 70.868707] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 70.875951] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 70.933047] FAULT_INJECTION: forcing a failure. [ 70.933047] name failslab, interval 1, probability 0, space 0, times 0 [ 70.949000] CPU: 0 PID: 8021 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 70.956894] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 70.966227] Call Trace: [ 70.968800] dump_stack+0x1b2/0x281 [ 70.972434] should_fail.cold+0x10a/0x149 [ 70.976563] should_failslab+0xd6/0x130 [ 70.980514] kmem_cache_alloc+0x28e/0x3c0 [ 70.984647] __d_alloc+0x2a/0xa20 [ 70.988081] ? d_lookup+0x172/0x220 [ 70.991681] d_alloc+0x46/0x240 [ 70.994934] __lookup_hash+0x101/0x270 [ 70.998798] ? __inode_permission+0xcd/0x2f0 [ 71.003187] lookup_one_len+0x279/0x3a0 [ 71.007138] ? lookup_one_len_unlocked+0x410/0x410 [ 71.012044] start_creating+0xb0/0x200 [ 71.015906] __debugfs_create_file+0x4f/0x440 [ 71.020375] ? debugfs_create_file+0x37/0x60 [ 71.024757] bdi_register_va.part.0+0x1f4/0x650 [ 71.029581] bdi_register+0x101/0x110 [ 71.033359] ? bdi_register_va+0x80/0x80 [ 71.037395] ? vsnprintf+0x260/0x1340 [ 71.041170] bdi_register_owner+0x59/0xf0 [ 71.045295] device_add_disk+0x5bb/0xdc0 [ 71.049332] ? sprintf+0xa7/0xd0 [ 71.052682] ? blk_alloc_devt+0x310/0x310 [ 71.056802] ? __lockdep_init_map+0x100/0x560 [ 71.061269] ? __lockdep_init_map+0x100/0x560 [ 71.065738] loop_add+0x615/0x830 [ 71.069166] ? loop_queue_rq+0x280/0x280 [ 71.073210] ? loop_queue_work+0x21e0/0x21e0 [ 71.077605] loop_control_ioctl+0x11a/0x3f0 [ 71.081914] ? loop_lookup+0x190/0x190 [ 71.085787] ? SyS_write+0x1b7/0x210 [ 71.089475] ? loop_lookup+0x190/0x190 [ 71.093442] do_vfs_ioctl+0x75a/0xff0 [ 71.097223] ? lock_acquire+0x170/0x3f0 [ 71.101169] ? ioctl_preallocate+0x1a0/0x1a0 [ 71.105554] ? __fget+0x265/0x3e0 [ 71.108982] ? do_vfs_ioctl+0xff0/0xff0 [ 71.112939] ? security_file_ioctl+0x83/0xb0 [ 71.117321] SyS_ioctl+0x7f/0xb0 [ 71.120661] ? do_vfs_ioctl+0xff0/0xff0 [ 71.124620] do_syscall_64+0x1d5/0x640 [ 71.128486] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 executing program [ 71.133651] RIP: 0033:0x7f23b7998ba9 [ 71.137334] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 71.145014] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 71.152257] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 71.159502] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 71.166746] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 71.173988] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 71.239980] FAULT_INJECTION: forcing a failure. [ 71.239980] name failslab, interval 1, probability 0, space 0, times 0 [ 71.251284] CPU: 1 PID: 8029 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 71.259154] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 71.268487] Call Trace: [ 71.271056] dump_stack+0x1b2/0x281 [ 71.274662] should_fail.cold+0x10a/0x149 [ 71.278792] should_failslab+0xd6/0x130 [ 71.282744] kmem_cache_alloc+0x28e/0x3c0 [ 71.286871] alloc_inode+0xa0/0x170 [ 71.290470] new_inode+0x1d/0xf0 [ 71.293810] debugfs_get_inode+0x1a/0x130 [ 71.297970] __debugfs_create_file+0x93/0x440 [ 71.302436] ? debugfs_create_file+0x37/0x60 [ 71.306836] bdi_register_va.part.0+0x1f4/0x650 [ 71.311486] bdi_register+0x101/0x110 [ 71.315266] ? bdi_register_va+0x80/0x80 [ 71.319309] ? vsnprintf+0x260/0x1340 [ 71.323085] bdi_register_owner+0x59/0xf0 [ 71.327215] device_add_disk+0x5bb/0xdc0 [ 71.331260] ? sprintf+0xa7/0xd0 [ 71.334599] ? blk_alloc_devt+0x310/0x310 [ 71.338722] ? __lockdep_init_map+0x100/0x560 [ 71.343189] ? __lockdep_init_map+0x100/0x560 [ 71.347661] loop_add+0x615/0x830 [ 71.351089] ? loop_queue_rq+0x280/0x280 [ 71.355121] ? loop_queue_work+0x21e0/0x21e0 [ 71.359504] loop_control_ioctl+0x11a/0x3f0 [ 71.363797] ? loop_lookup+0x190/0x190 [ 71.367657] ? SyS_write+0x1b7/0x210 [ 71.371343] ? loop_lookup+0x190/0x190 [ 71.375208] do_vfs_ioctl+0x75a/0xff0 [ 71.378986] ? lock_acquire+0x170/0x3f0 [ 71.382934] ? ioctl_preallocate+0x1a0/0x1a0 [ 71.387317] ? __fget+0x265/0x3e0 [ 71.390753] ? do_vfs_ioctl+0xff0/0xff0 [ 71.394710] ? security_file_ioctl+0x83/0xb0 [ 71.399099] SyS_ioctl+0x7f/0xb0 [ 71.402445] ? do_vfs_ioctl+0xff0/0xff0 [ 71.406398] do_syscall_64+0x1d5/0x640 [ 71.410272] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 71.415449] RIP: 0033:0x7f23b7998ba9 [ 71.419140] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 71.426849] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 executing program [ 71.434099] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 71.441350] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 71.448594] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 71.455841] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 71.530159] FAULT_INJECTION: forcing a failure. [ 71.530159] name failslab, interval 1, probability 0, space 0, times 0 [ 71.541460] CPU: 1 PID: 8039 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 71.549330] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 71.558662] Call Trace: [ 71.561241] dump_stack+0x1b2/0x281 [ 71.564844] should_fail.cold+0x10a/0x149 [ 71.568969] should_failslab+0xd6/0x130 [ 71.572920] kmem_cache_alloc+0x28e/0x3c0 [ 71.577046] __d_alloc+0x2a/0xa20 [ 71.580471] ? d_lookup+0x172/0x220 [ 71.584089] d_alloc+0x46/0x240 [ 71.587349] __lookup_hash+0x101/0x270 [ 71.591211] ? __inode_permission+0xcd/0x2f0 [ 71.595610] lookup_one_len+0x279/0x3a0 [ 71.599560] ? lookup_one_len_unlocked+0x410/0x410 [ 71.604470] start_creating+0xb0/0x200 [ 71.608332] __debugfs_create_file+0x4f/0x440 [ 71.612803] ? debugfs_create_file+0x37/0x60 [ 71.617187] bdi_register_va.part.0+0x1f4/0x650 [ 71.621833] bdi_register+0x101/0x110 [ 71.625612] ? bdi_register_va+0x80/0x80 [ 71.629655] ? vsnprintf+0x260/0x1340 [ 71.633432] bdi_register_owner+0x59/0xf0 [ 71.637561] device_add_disk+0x5bb/0xdc0 [ 71.641598] ? sprintf+0xa7/0xd0 [ 71.644939] ? blk_alloc_devt+0x310/0x310 [ 71.649065] ? __lockdep_init_map+0x100/0x560 [ 71.653538] ? __lockdep_init_map+0x100/0x560 [ 71.658011] loop_add+0x615/0x830 [ 71.661438] ? loop_queue_rq+0x280/0x280 [ 71.665469] ? loop_queue_work+0x21e0/0x21e0 [ 71.669864] loop_control_ioctl+0x11a/0x3f0 [ 71.674165] ? loop_lookup+0x190/0x190 [ 71.678025] ? SyS_write+0x1b7/0x210 [ 71.681716] ? loop_lookup+0x190/0x190 [ 71.685577] do_vfs_ioctl+0x75a/0xff0 [ 71.689362] ? lock_acquire+0x170/0x3f0 [ 71.693311] ? ioctl_preallocate+0x1a0/0x1a0 [ 71.697695] ? __fget+0x265/0x3e0 [ 71.701121] ? do_vfs_ioctl+0xff0/0xff0 [ 71.705070] ? security_file_ioctl+0x83/0xb0 [ 71.709449] SyS_ioctl+0x7f/0xb0 [ 71.712789] ? do_vfs_ioctl+0xff0/0xff0 [ 71.716736] do_syscall_64+0x1d5/0x640 [ 71.720603] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 71.725765] RIP: 0033:0x7f23b7998ba9 executing program [ 71.729448] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 71.737129] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 71.744371] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 71.751616] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 71.758858] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 71.766103] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 71.830334] FAULT_INJECTION: forcing a failure. [ 71.830334] name failslab, interval 1, probability 0, space 0, times 0 [ 71.842664] CPU: 1 PID: 8048 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 71.850539] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 71.859878] Call Trace: [ 71.862445] dump_stack+0x1b2/0x281 [ 71.866047] should_fail.cold+0x10a/0x149 [ 71.870173] should_failslab+0xd6/0x130 [ 71.874129] kmem_cache_alloc+0x28e/0x3c0 [ 71.878255] alloc_inode+0xa0/0x170 [ 71.881855] new_inode+0x1d/0xf0 [ 71.885199] debugfs_get_inode+0x1a/0x130 [ 71.889332] __debugfs_create_file+0x93/0x440 [ 71.893803] ? debugfs_create_file+0x37/0x60 [ 71.898192] bdi_register_va.part.0+0x1f4/0x650 [ 71.902846] bdi_register+0x101/0x110 [ 71.906636] ? bdi_register_va+0x80/0x80 [ 71.910686] ? vsnprintf+0x260/0x1340 [ 71.914470] bdi_register_owner+0x59/0xf0 [ 71.918601] device_add_disk+0x5bb/0xdc0 [ 71.922641] ? sprintf+0xa7/0xd0 [ 71.926009] ? blk_alloc_devt+0x310/0x310 [ 71.930145] ? __lockdep_init_map+0x100/0x560 [ 71.934615] ? __lockdep_init_map+0x100/0x560 [ 71.939086] loop_add+0x615/0x830 [ 71.942515] ? loop_queue_rq+0x280/0x280 [ 71.946550] ? loop_queue_work+0x21e0/0x21e0 [ 71.950936] loop_control_ioctl+0x11a/0x3f0 [ 71.955233] ? loop_lookup+0x190/0x190 [ 71.959094] ? SyS_write+0x1b7/0x210 [ 71.962790] ? loop_lookup+0x190/0x190 [ 71.966653] do_vfs_ioctl+0x75a/0xff0 [ 71.970429] ? lock_acquire+0x170/0x3f0 [ 71.974374] ? ioctl_preallocate+0x1a0/0x1a0 [ 71.978754] ? __fget+0x265/0x3e0 [ 71.982181] ? do_vfs_ioctl+0xff0/0xff0 [ 71.986128] ? security_file_ioctl+0x83/0xb0 [ 71.990508] SyS_ioctl+0x7f/0xb0 [ 71.993847] ? do_vfs_ioctl+0xff0/0xff0 [ 71.997795] do_syscall_64+0x1d5/0x640 [ 72.001660] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 72.006830] RIP: 0033:0x7f23b7998ba9 [ 72.010516] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 72.018203] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 executing program [ 72.025449] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 72.032704] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 72.039952] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 72.047208] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 72.115038] FAULT_INJECTION: forcing a failure. [ 72.115038] name failslab, interval 1, probability 0, space 0, times 0 [ 72.128822] CPU: 0 PID: 8057 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 72.136800] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 72.146128] Call Trace: [ 72.148695] dump_stack+0x1b2/0x281 [ 72.152303] should_fail.cold+0x10a/0x149 [ 72.156426] should_failslab+0xd6/0x130 [ 72.160383] kmem_cache_alloc+0x28e/0x3c0 [ 72.164509] alloc_inode+0xa0/0x170 [ 72.168130] new_inode+0x1d/0xf0 [ 72.171514] debugfs_get_inode+0x1a/0x130 [ 72.175638] __debugfs_create_file+0x93/0x440 [ 72.180113] ? debugfs_create_file+0x37/0x60 [ 72.184497] bdi_register_va.part.0+0x1f4/0x650 [ 72.189141] bdi_register+0x101/0x110 [ 72.192917] ? bdi_register_va+0x80/0x80 [ 72.197034] ? vsnprintf+0x260/0x1340 [ 72.200834] bdi_register_owner+0x59/0xf0 [ 72.204964] device_add_disk+0x5bb/0xdc0 [ 72.209001] ? sprintf+0xa7/0xd0 [ 72.212340] ? blk_alloc_devt+0x310/0x310 [ 72.216492] ? __lockdep_init_map+0x100/0x560 [ 72.221083] ? __lockdep_init_map+0x100/0x560 [ 72.225569] loop_add+0x615/0x830 [ 72.229010] ? loop_queue_rq+0x280/0x280 [ 72.233047] ? loop_queue_work+0x21e0/0x21e0 [ 72.237522] loop_control_ioctl+0x11a/0x3f0 [ 72.241819] ? loop_lookup+0x190/0x190 [ 72.245685] ? SyS_write+0x1b7/0x210 [ 72.249387] ? loop_lookup+0x190/0x190 [ 72.253253] do_vfs_ioctl+0x75a/0xff0 [ 72.257051] ? lock_acquire+0x170/0x3f0 [ 72.261001] ? ioctl_preallocate+0x1a0/0x1a0 [ 72.265387] ? __fget+0x265/0x3e0 [ 72.268816] ? do_vfs_ioctl+0xff0/0xff0 [ 72.272774] ? security_file_ioctl+0x83/0xb0 [ 72.277177] SyS_ioctl+0x7f/0xb0 [ 72.280550] ? do_vfs_ioctl+0xff0/0xff0 [ 72.284504] do_syscall_64+0x1d5/0x640 [ 72.288374] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 72.293538] RIP: 0033:0x7f23b7998ba9 [ 72.297219] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 72.304905] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 executing program [ 72.312152] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 72.319489] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 72.326732] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 72.333979] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 72.389555] FAULT_INJECTION: forcing a failure. [ 72.389555] name failslab, interval 1, probability 0, space 0, times 0 [ 72.401074] CPU: 0 PID: 8066 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 72.408942] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 72.418269] Call Trace: [ 72.420832] dump_stack+0x1b2/0x281 [ 72.424438] should_fail.cold+0x10a/0x149 [ 72.428561] should_failslab+0xd6/0x130 [ 72.432516] kmem_cache_alloc+0x28e/0x3c0 [ 72.436645] alloc_inode+0xa0/0x170 [ 72.440244] new_inode+0x1d/0xf0 [ 72.443585] debugfs_get_inode+0x1a/0x130 [ 72.447734] debugfs_create_dir+0x63/0x420 [ 72.451949] bdi_register_va.part.0+0x1ad/0x650 [ 72.456608] bdi_register+0x101/0x110 [ 72.460386] ? bdi_register_va+0x80/0x80 [ 72.464432] ? vsnprintf+0x260/0x1340 [ 72.468302] bdi_register_owner+0x59/0xf0 [ 72.472444] device_add_disk+0x5bb/0xdc0 [ 72.476481] ? sprintf+0xa7/0xd0 [ 72.479819] ? blk_alloc_devt+0x310/0x310 [ 72.483941] ? __lockdep_init_map+0x100/0x560 [ 72.488414] ? __lockdep_init_map+0x100/0x560 [ 72.492889] loop_add+0x615/0x830 [ 72.496315] ? loop_queue_rq+0x280/0x280 [ 72.500345] ? loop_queue_work+0x21e0/0x21e0 [ 72.504739] loop_control_ioctl+0x11a/0x3f0 [ 72.509041] ? loop_lookup+0x190/0x190 [ 72.512904] ? SyS_write+0x1b7/0x210 [ 72.516596] ? loop_lookup+0x190/0x190 [ 72.520458] do_vfs_ioctl+0x75a/0xff0 [ 72.524262] ? lock_acquire+0x170/0x3f0 [ 72.528227] ? ioctl_preallocate+0x1a0/0x1a0 [ 72.532609] ? __fget+0x265/0x3e0 [ 72.536035] ? do_vfs_ioctl+0xff0/0xff0 [ 72.540000] ? security_file_ioctl+0x83/0xb0 [ 72.544389] SyS_ioctl+0x7f/0xb0 [ 72.547734] ? do_vfs_ioctl+0xff0/0xff0 [ 72.551686] do_syscall_64+0x1d5/0x640 [ 72.555548] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 72.560710] RIP: 0033:0x7f23b7998ba9 [ 72.564393] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 72.572073] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 72.579334] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 executing program [ 72.586579] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 72.593834] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 72.601076] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 72.672879] FAULT_INJECTION: forcing a failure. [ 72.672879] name failslab, interval 1, probability 0, space 0, times 0 [ 72.687869] CPU: 0 PID: 8073 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 72.695763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 72.705103] Call Trace: [ 72.707671] dump_stack+0x1b2/0x281 [ 72.711276] should_fail.cold+0x10a/0x149 [ 72.715400] should_failslab+0xd6/0x130 [ 72.719351] kmem_cache_alloc+0x28e/0x3c0 [ 72.723472] __d_alloc+0x2a/0xa20 [ 72.726896] ? d_lookup+0x172/0x220 [ 72.730509] d_alloc+0x46/0x240 [ 72.733779] __lookup_hash+0x101/0x270 [ 72.737646] ? __inode_permission+0xcd/0x2f0 [ 72.742028] lookup_one_len+0x279/0x3a0 [ 72.745977] ? lookup_one_len_unlocked+0x410/0x410 [ 72.750881] start_creating+0xb0/0x200 [ 72.754742] debugfs_create_dir+0x1f/0x420 [ 72.758952] bdi_register_va.part.0+0x1ad/0x650 [ 72.763598] bdi_register+0x101/0x110 [ 72.767371] ? bdi_register_va+0x80/0x80 [ 72.771407] ? vsnprintf+0x260/0x1340 [ 72.775190] bdi_register_owner+0x59/0xf0 [ 72.779320] device_add_disk+0x5bb/0xdc0 [ 72.783358] ? sprintf+0xa7/0xd0 [ 72.786700] ? blk_alloc_devt+0x310/0x310 [ 72.790824] ? __lockdep_init_map+0x100/0x560 [ 72.795290] ? __lockdep_init_map+0x100/0x560 [ 72.799759] loop_add+0x615/0x830 [ 72.803190] ? loop_queue_rq+0x280/0x280 [ 72.807222] ? loop_queue_work+0x21e0/0x21e0 [ 72.811606] loop_control_ioctl+0x11a/0x3f0 [ 72.815907] ? loop_lookup+0x190/0x190 [ 72.819767] ? SyS_write+0x1b7/0x210 [ 72.823454] ? loop_lookup+0x190/0x190 [ 72.827314] do_vfs_ioctl+0x75a/0xff0 [ 72.831091] ? lock_acquire+0x170/0x3f0 [ 72.835037] ? ioctl_preallocate+0x1a0/0x1a0 [ 72.839439] ? __fget+0x265/0x3e0 [ 72.842870] ? do_vfs_ioctl+0xff0/0xff0 [ 72.846823] ? security_file_ioctl+0x83/0xb0 [ 72.851214] SyS_ioctl+0x7f/0xb0 [ 72.854555] ? do_vfs_ioctl+0xff0/0xff0 [ 72.858503] do_syscall_64+0x1d5/0x640 [ 72.862377] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 72.867548] RIP: 0033:0x7f23b7998ba9 executing program [ 72.871234] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 72.878914] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 72.886159] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 72.893403] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 72.900646] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 72.907892] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 72.984849] FAULT_INJECTION: forcing a failure. [ 72.984849] name failslab, interval 1, probability 0, space 0, times 0 [ 72.997517] CPU: 0 PID: 8082 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 73.005399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 73.014730] Call Trace: [ 73.017298] dump_stack+0x1b2/0x281 [ 73.020902] should_fail.cold+0x10a/0x149 [ 73.025027] should_failslab+0xd6/0x130 [ 73.028980] kmem_cache_alloc+0x28e/0x3c0 [ 73.033104] alloc_inode+0xa0/0x170 [ 73.036708] new_inode+0x1d/0xf0 [ 73.040074] debugfs_get_inode+0x1a/0x130 [ 73.044199] __debugfs_create_file+0x93/0x440 [ 73.048669] ? debugfs_create_file+0x37/0x60 [ 73.053054] bdi_register_va.part.0+0x1f4/0x650 [ 73.057833] bdi_register+0x101/0x110 [ 73.061628] ? bdi_register_va+0x80/0x80 [ 73.065667] ? vsnprintf+0x260/0x1340 [ 73.069444] bdi_register_owner+0x59/0xf0 [ 73.073574] device_add_disk+0x5bb/0xdc0 [ 73.077618] ? sprintf+0xa7/0xd0 [ 73.080960] ? blk_alloc_devt+0x310/0x310 [ 73.085090] ? __lockdep_init_map+0x100/0x560 [ 73.089563] ? __lockdep_init_map+0x100/0x560 [ 73.094037] loop_add+0x615/0x830 [ 73.097465] ? loop_queue_rq+0x280/0x280 [ 73.101496] ? loop_queue_work+0x21e0/0x21e0 [ 73.105877] loop_control_ioctl+0x11a/0x3f0 [ 73.110182] ? loop_lookup+0x190/0x190 [ 73.114047] ? SyS_write+0x1b7/0x210 [ 73.117734] ? loop_lookup+0x190/0x190 [ 73.121602] do_vfs_ioctl+0x75a/0xff0 [ 73.125382] ? lock_acquire+0x170/0x3f0 [ 73.129330] ? ioctl_preallocate+0x1a0/0x1a0 [ 73.133712] ? __fget+0x265/0x3e0 [ 73.137140] ? do_vfs_ioctl+0xff0/0xff0 [ 73.141089] ? security_file_ioctl+0x83/0xb0 [ 73.145494] SyS_ioctl+0x7f/0xb0 [ 73.148834] ? do_vfs_ioctl+0xff0/0xff0 [ 73.152781] do_syscall_64+0x1d5/0x640 [ 73.156649] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 73.161811] RIP: 0033:0x7f23b7998ba9 [ 73.165497] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 73.173176] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 executing program executing program [ 73.180424] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 73.187674] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 73.194917] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 73.202166] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 73.270748] FAULT_INJECTION: forcing a failure. [ 73.270748] name failslab, interval 1, probability 0, space 0, times 0 [ 73.284011] CPU: 0 PID: 8093 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 73.291901] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 73.301237] Call Trace: [ 73.303808] dump_stack+0x1b2/0x281 [ 73.307421] should_fail.cold+0x10a/0x149 [ 73.311548] should_failslab+0xd6/0x130 [ 73.315501] kmem_cache_alloc+0x28e/0x3c0 [ 73.319626] __d_alloc+0x2a/0xa20 [ 73.323052] ? d_lookup+0x172/0x220 [ 73.326657] d_alloc+0x46/0x240 [ 73.329911] __lookup_hash+0x101/0x270 [ 73.333793] ? __inode_permission+0xcd/0x2f0 [ 73.338174] lookup_one_len+0x279/0x3a0 [ 73.342123] ? lookup_one_len_unlocked+0x410/0x410 [ 73.347032] start_creating+0xb0/0x200 [ 73.350895] __debugfs_create_file+0x4f/0x440 [ 73.355363] ? debugfs_create_file+0x37/0x60 [ 73.359754] bdi_register_va.part.0+0x1f4/0x650 [ 73.364400] bdi_register+0x101/0x110 [ 73.368177] ? bdi_register_va+0x80/0x80 [ 73.372212] ? vsnprintf+0x260/0x1340 [ 73.375989] bdi_register_owner+0x59/0xf0 [ 73.380111] device_add_disk+0x5bb/0xdc0 [ 73.384232] ? sprintf+0xa7/0xd0 [ 73.387570] ? blk_alloc_devt+0x310/0x310 [ 73.391693] ? __lockdep_init_map+0x100/0x560 [ 73.396161] ? __lockdep_init_map+0x100/0x560 [ 73.400634] loop_add+0x615/0x830 [ 73.404063] ? loop_queue_rq+0x280/0x280 [ 73.408097] ? loop_queue_work+0x21e0/0x21e0 [ 73.412477] loop_control_ioctl+0x11a/0x3f0 [ 73.416769] ? loop_lookup+0x190/0x190 [ 73.420629] ? SyS_write+0x1b7/0x210 [ 73.424321] ? loop_lookup+0x190/0x190 [ 73.428183] do_vfs_ioctl+0x75a/0xff0 [ 73.431957] ? lock_acquire+0x170/0x3f0 [ 73.435904] ? ioctl_preallocate+0x1a0/0x1a0 [ 73.440287] ? __fget+0x265/0x3e0 [ 73.443712] ? do_vfs_ioctl+0xff0/0xff0 [ 73.447663] ? security_file_ioctl+0x83/0xb0 [ 73.452043] SyS_ioctl+0x7f/0xb0 [ 73.455383] ? do_vfs_ioctl+0xff0/0xff0 [ 73.459337] do_syscall_64+0x1d5/0x640 [ 73.463202] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 executing program [ 73.468373] RIP: 0033:0x7f23b7998ba9 [ 73.472055] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 73.479734] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 73.486984] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 73.494238] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 73.501487] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 73.508736] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 73.580480] FAULT_INJECTION: forcing a failure. [ 73.580480] name failslab, interval 1, probability 0, space 0, times 0 [ 73.591921] CPU: 1 PID: 8102 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 73.599796] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 73.609301] Call Trace: [ 73.611866] dump_stack+0x1b2/0x281 [ 73.615471] should_fail.cold+0x10a/0x149 [ 73.619594] should_failslab+0xd6/0x130 [ 73.623543] kmem_cache_alloc+0x28e/0x3c0 [ 73.627666] alloc_inode+0xa0/0x170 [ 73.631268] new_inode+0x1d/0xf0 [ 73.634613] debugfs_get_inode+0x1a/0x130 [ 73.638734] debugfs_create_dir+0x63/0x420 [ 73.643030] bdi_register_va.part.0+0x1ad/0x650 [ 73.647679] bdi_register+0x101/0x110 [ 73.651456] ? bdi_register_va+0x80/0x80 [ 73.655491] ? vsnprintf+0x260/0x1340 [ 73.659266] bdi_register_owner+0x59/0xf0 [ 73.663387] device_add_disk+0x5bb/0xdc0 [ 73.667422] ? sprintf+0xa7/0xd0 [ 73.670762] ? blk_alloc_devt+0x310/0x310 [ 73.674890] ? __lockdep_init_map+0x100/0x560 [ 73.679368] ? __lockdep_init_map+0x100/0x560 [ 73.683837] loop_add+0x615/0x830 [ 73.687264] ? loop_queue_rq+0x280/0x280 [ 73.691298] ? loop_queue_work+0x21e0/0x21e0 [ 73.695683] loop_control_ioctl+0x11a/0x3f0 [ 73.699982] ? loop_lookup+0x190/0x190 [ 73.703853] ? SyS_write+0x1b7/0x210 [ 73.707538] ? loop_lookup+0x190/0x190 [ 73.711396] do_vfs_ioctl+0x75a/0xff0 [ 73.715170] ? lock_acquire+0x170/0x3f0 [ 73.719119] ? ioctl_preallocate+0x1a0/0x1a0 [ 73.723522] ? __fget+0x265/0x3e0 [ 73.726949] ? do_vfs_ioctl+0xff0/0xff0 [ 73.730896] ? security_file_ioctl+0x83/0xb0 [ 73.735277] SyS_ioctl+0x7f/0xb0 [ 73.738615] ? do_vfs_ioctl+0xff0/0xff0 [ 73.742563] do_syscall_64+0x1d5/0x640 [ 73.746427] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 73.751588] RIP: 0033:0x7f23b7998ba9 [ 73.755270] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 73.762955] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 73.770204] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 executing program [ 73.777451] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 73.784703] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 73.791948] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 73.854601] FAULT_INJECTION: forcing a failure. [ 73.854601] name failslab, interval 1, probability 0, space 0, times 0 [ 73.866607] CPU: 0 PID: 8111 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 73.874484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 73.883817] Call Trace: [ 73.886387] dump_stack+0x1b2/0x281 [ 73.889993] should_fail.cold+0x10a/0x149 [ 73.894125] should_failslab+0xd6/0x130 [ 73.898074] kmem_cache_alloc_trace+0x29a/0x3d0 [ 73.902715] ? kobj_ns_drop+0x80/0x80 [ 73.906490] call_usermodehelper_setup+0x73/0x2e0 [ 73.911306] kobject_uevent_env+0xc21/0xf30 [ 73.915610] device_add+0xa47/0x15c0 [ 73.919299] ? device_is_dependent+0x2a0/0x2a0 [ 73.923853] ? kfree+0x1f0/0x250 [ 73.927196] device_create_groups_vargs+0x1dc/0x250 [ 73.932185] device_create_vargs+0x3a/0x50 [ 73.936396] bdi_register_va.part.0+0x35/0x650 [ 73.940952] bdi_register+0x101/0x110 [ 73.944727] ? bdi_register_va+0x80/0x80 [ 73.948773] ? vsnprintf+0x260/0x1340 [ 73.952552] bdi_register_owner+0x59/0xf0 [ 73.956674] device_add_disk+0x5bb/0xdc0 [ 73.960710] ? sprintf+0xa7/0xd0 [ 73.964050] ? blk_alloc_devt+0x310/0x310 [ 73.968172] ? __lockdep_init_map+0x100/0x560 [ 73.972649] ? __lockdep_init_map+0x100/0x560 [ 73.977118] loop_add+0x615/0x830 [ 73.980543] ? loop_queue_rq+0x280/0x280 [ 73.984575] ? loop_queue_work+0x21e0/0x21e0 [ 73.988956] loop_control_ioctl+0x11a/0x3f0 [ 73.993251] ? loop_lookup+0x190/0x190 [ 73.997113] ? SyS_write+0x1b7/0x210 [ 74.000801] ? loop_lookup+0x190/0x190 [ 74.004662] do_vfs_ioctl+0x75a/0xff0 [ 74.008435] ? lock_acquire+0x170/0x3f0 [ 74.012382] ? ioctl_preallocate+0x1a0/0x1a0 [ 74.016852] ? __fget+0x265/0x3e0 [ 74.020277] ? do_vfs_ioctl+0xff0/0xff0 [ 74.024226] ? security_file_ioctl+0x83/0xb0 [ 74.028608] SyS_ioctl+0x7f/0xb0 [ 74.031946] ? do_vfs_ioctl+0xff0/0xff0 [ 74.035894] do_syscall_64+0x1d5/0x640 [ 74.039759] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 74.044922] RIP: 0033:0x7f23b7998ba9 executing program [ 74.048607] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 74.056285] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 74.063529] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 74.070770] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 74.078013] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 74.085256] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 74.139915] FAULT_INJECTION: forcing a failure. [ 74.139915] name failslab, interval 1, probability 0, space 0, times 0 [ 74.151821] CPU: 1 PID: 8119 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 74.159699] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 74.169041] Call Trace: [ 74.171615] dump_stack+0x1b2/0x281 [ 74.175221] should_fail.cold+0x10a/0x149 [ 74.179351] should_failslab+0xd6/0x130 [ 74.183308] kmem_cache_alloc+0x28e/0x3c0 [ 74.187445] __d_alloc+0x2a/0xa20 [ 74.190874] ? d_lookup+0x172/0x220 [ 74.194475] d_alloc+0x46/0x240 [ 74.197733] __lookup_hash+0x101/0x270 [ 74.201598] ? __inode_permission+0xcd/0x2f0 [ 74.205983] lookup_one_len+0x279/0x3a0 [ 74.209935] ? lookup_one_len_unlocked+0x410/0x410 [ 74.214841] start_creating+0xb0/0x200 [ 74.218712] __debugfs_create_file+0x4f/0x440 [ 74.223188] ? debugfs_create_file+0x37/0x60 [ 74.227573] bdi_register_va.part.0+0x1f4/0x650 [ 74.232221] bdi_register+0x101/0x110 [ 74.235996] ? bdi_register_va+0x80/0x80 [ 74.240047] ? vsnprintf+0x260/0x1340 [ 74.243826] bdi_register_owner+0x59/0xf0 [ 74.247948] device_add_disk+0x5bb/0xdc0 [ 74.251985] ? sprintf+0xa7/0xd0 [ 74.255334] ? blk_alloc_devt+0x310/0x310 [ 74.259462] ? __lockdep_init_map+0x100/0x560 [ 74.263931] ? __lockdep_init_map+0x100/0x560 [ 74.268404] loop_add+0x615/0x830 [ 74.271850] ? loop_queue_rq+0x280/0x280 [ 74.275973] ? loop_queue_work+0x21e0/0x21e0 [ 74.280357] loop_control_ioctl+0x11a/0x3f0 [ 74.284657] ? loop_lookup+0x190/0x190 [ 74.288522] ? SyS_write+0x1b7/0x210 [ 74.292229] ? loop_lookup+0x190/0x190 [ 74.296098] do_vfs_ioctl+0x75a/0xff0 [ 74.299873] ? lock_acquire+0x170/0x3f0 [ 74.303823] ? ioctl_preallocate+0x1a0/0x1a0 [ 74.308207] ? __fget+0x265/0x3e0 [ 74.311635] ? do_vfs_ioctl+0xff0/0xff0 [ 74.315598] ? security_file_ioctl+0x83/0xb0 [ 74.319984] SyS_ioctl+0x7f/0xb0 [ 74.323333] ? do_vfs_ioctl+0xff0/0xff0 [ 74.327281] do_syscall_64+0x1d5/0x640 [ 74.331175] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 74.336343] RIP: 0033:0x7f23b7998ba9 executing program [ 74.340032] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 74.347716] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 74.354957] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 74.362206] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 74.369467] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 74.376715] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 74.449819] FAULT_INJECTION: forcing a failure. [ 74.449819] name failslab, interval 1, probability 0, space 0, times 0 [ 74.461260] CPU: 1 PID: 8128 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 74.469146] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 74.478487] Call Trace: [ 74.481053] dump_stack+0x1b2/0x281 [ 74.484661] should_fail.cold+0x10a/0x149 [ 74.488788] should_failslab+0xd6/0x130 [ 74.492736] kmem_cache_alloc+0x28e/0x3c0 [ 74.496869] alloc_inode+0xa0/0x170 [ 74.500475] new_inode+0x1d/0xf0 [ 74.503815] debugfs_get_inode+0x1a/0x130 [ 74.507936] debugfs_create_dir+0x63/0x420 [ 74.512151] bdi_register_va.part.0+0x1ad/0x650 [ 74.516803] bdi_register+0x101/0x110 [ 74.520578] ? bdi_register_va+0x80/0x80 [ 74.524612] ? vsnprintf+0x260/0x1340 [ 74.528388] bdi_register_owner+0x59/0xf0 [ 74.532521] device_add_disk+0x5bb/0xdc0 [ 74.536566] ? sprintf+0xa7/0xd0 [ 74.539909] ? blk_alloc_devt+0x310/0x310 [ 74.544035] ? __lockdep_init_map+0x100/0x560 [ 74.548504] ? __lockdep_init_map+0x100/0x560 [ 74.552976] loop_add+0x615/0x830 [ 74.556405] ? loop_queue_rq+0x280/0x280 [ 74.560436] ? loop_queue_work+0x21e0/0x21e0 [ 74.564818] loop_control_ioctl+0x11a/0x3f0 [ 74.569112] ? loop_lookup+0x190/0x190 [ 74.572982] ? SyS_write+0x1b7/0x210 [ 74.576680] ? loop_lookup+0x190/0x190 [ 74.580551] do_vfs_ioctl+0x75a/0xff0 [ 74.584334] ? lock_acquire+0x170/0x3f0 [ 74.588286] ? ioctl_preallocate+0x1a0/0x1a0 [ 74.592672] ? __fget+0x265/0x3e0 [ 74.596099] ? do_vfs_ioctl+0xff0/0xff0 [ 74.600048] ? security_file_ioctl+0x83/0xb0 [ 74.604516] SyS_ioctl+0x7f/0xb0 [ 74.607855] ? do_vfs_ioctl+0xff0/0xff0 [ 74.611807] do_syscall_64+0x1d5/0x640 [ 74.615670] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 74.620834] RIP: 0033:0x7f23b7998ba9 [ 74.624517] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 74.632196] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 74.639448] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 executing program executing program [ 74.646704] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 74.653958] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 74.661291] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 74.736546] FAULT_INJECTION: forcing a failure. [ 74.736546] name failslab, interval 1, probability 0, space 0, times 0 [ 74.749224] CPU: 0 PID: 8139 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 74.757107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 74.766441] Call Trace: [ 74.769004] dump_stack+0x1b2/0x281 [ 74.772617] should_fail.cold+0x10a/0x149 [ 74.776748] should_failslab+0xd6/0x130 [ 74.780706] kmem_cache_alloc+0x28e/0x3c0 [ 74.784846] __d_alloc+0x2a/0xa20 [ 74.788281] ? d_lookup+0x172/0x220 [ 74.791898] d_alloc+0x46/0x240 [ 74.795166] __lookup_hash+0x101/0x270 [ 74.799041] ? __inode_permission+0xcd/0x2f0 [ 74.803519] lookup_one_len+0x279/0x3a0 [ 74.807472] ? lookup_one_len_unlocked+0x410/0x410 [ 74.812379] start_creating+0xb0/0x200 [ 74.816244] __debugfs_create_file+0x4f/0x440 [ 74.820711] ? debugfs_create_file+0x37/0x60 [ 74.825094] bdi_register_va.part.0+0x1f4/0x650 [ 74.829739] bdi_register+0x101/0x110 [ 74.833523] ? bdi_register_va+0x80/0x80 [ 74.837561] ? vsnprintf+0x260/0x1340 [ 74.841335] bdi_register_owner+0x59/0xf0 [ 74.845457] device_add_disk+0x5bb/0xdc0 [ 74.849493] ? sprintf+0xa7/0xd0 [ 74.852829] ? blk_alloc_devt+0x310/0x310 [ 74.856952] ? __lockdep_init_map+0x100/0x560 [ 74.861419] ? __lockdep_init_map+0x100/0x560 [ 74.865891] loop_add+0x615/0x830 [ 74.869316] ? loop_queue_rq+0x280/0x280 [ 74.873349] ? loop_queue_work+0x21e0/0x21e0 [ 74.877734] loop_control_ioctl+0x11a/0x3f0 [ 74.882029] ? loop_lookup+0x190/0x190 [ 74.885888] ? SyS_write+0x1b7/0x210 [ 74.889575] ? loop_lookup+0x190/0x190 [ 74.893438] do_vfs_ioctl+0x75a/0xff0 [ 74.897212] ? lock_acquire+0x170/0x3f0 [ 74.901156] ? ioctl_preallocate+0x1a0/0x1a0 [ 74.905557] ? __fget+0x265/0x3e0 [ 74.908987] ? do_vfs_ioctl+0xff0/0xff0 [ 74.912935] ? security_file_ioctl+0x83/0xb0 [ 74.917317] SyS_ioctl+0x7f/0xb0 [ 74.920658] ? do_vfs_ioctl+0xff0/0xff0 [ 74.924606] do_syscall_64+0x1d5/0x640 [ 74.928468] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 74.933631] RIP: 0033:0x7f23b7998ba9 executing program [ 74.937314] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 74.944993] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 74.952240] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 74.959482] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 74.966728] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 74.973974] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 75.039157] FAULT_INJECTION: forcing a failure. [ 75.039157] name failslab, interval 1, probability 0, space 0, times 0 [ 75.050622] CPU: 1 PID: 8147 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 75.058482] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 75.067810] Call Trace: [ 75.070376] dump_stack+0x1b2/0x281 [ 75.073997] should_fail.cold+0x10a/0x149 [ 75.078121] should_failslab+0xd6/0x130 [ 75.082071] kmem_cache_alloc+0x28e/0x3c0 [ 75.086196] alloc_inode+0xa0/0x170 [ 75.089799] new_inode+0x1d/0xf0 [ 75.093143] debugfs_get_inode+0x1a/0x130 [ 75.097282] __debugfs_create_file+0x93/0x440 [ 75.101751] ? debugfs_create_file+0x37/0x60 [ 75.106143] bdi_register_va.part.0+0x1f4/0x650 [ 75.110793] bdi_register+0x101/0x110 [ 75.114576] ? bdi_register_va+0x80/0x80 [ 75.118616] ? vsnprintf+0x260/0x1340 [ 75.122390] bdi_register_owner+0x59/0xf0 [ 75.126514] device_add_disk+0x5bb/0xdc0 [ 75.130547] ? sprintf+0xa7/0xd0 [ 75.133892] ? blk_alloc_devt+0x310/0x310 [ 75.138034] ? __lockdep_init_map+0x100/0x560 [ 75.142504] ? __lockdep_init_map+0x100/0x560 [ 75.146973] loop_add+0x615/0x830 [ 75.150399] ? loop_queue_rq+0x280/0x280 [ 75.154431] ? loop_queue_work+0x21e0/0x21e0 [ 75.158815] loop_control_ioctl+0x11a/0x3f0 [ 75.163110] ? loop_lookup+0x190/0x190 [ 75.166970] ? SyS_write+0x1b7/0x210 [ 75.170657] ? loop_lookup+0x190/0x190 [ 75.174518] do_vfs_ioctl+0x75a/0xff0 [ 75.178296] ? lock_acquire+0x170/0x3f0 [ 75.182251] ? ioctl_preallocate+0x1a0/0x1a0 [ 75.186634] ? __fget+0x265/0x3e0 [ 75.190067] ? do_vfs_ioctl+0xff0/0xff0 [ 75.194020] ? security_file_ioctl+0x83/0xb0 [ 75.198406] SyS_ioctl+0x7f/0xb0 [ 75.201747] ? do_vfs_ioctl+0xff0/0xff0 [ 75.205723] do_syscall_64+0x1d5/0x640 [ 75.209588] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 75.214750] RIP: 0033:0x7f23b7998ba9 [ 75.218442] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 75.226133] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 executing program [ 75.233391] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 75.240635] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 75.247878] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 75.255122] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 75.310158] FAULT_INJECTION: forcing a failure. [ 75.310158] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 75.321973] CPU: 1 PID: 8155 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 75.329843] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 75.339184] Call Trace: [ 75.341764] dump_stack+0x1b2/0x281 [ 75.345369] should_fail.cold+0x10a/0x149 [ 75.349496] __alloc_pages_nodemask+0x21e/0x2900 [ 75.354231] ? trace_hardirqs_on+0x10/0x10 [ 75.358477] ? lock_acquire+0x170/0x3f0 [ 75.362424] ? __lock_acquire+0x5fc/0x3f20 [ 75.366636] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 75.371458] ? lock_acquire+0x170/0x3f0 [ 75.375404] ? lock_downgrade+0x740/0x740 [ 75.379530] ? do_raw_spin_unlock+0x164/0x220 [ 75.384003] cache_grow_begin+0x91/0x700 [ 75.388039] ? fs_reclaim_release+0xd0/0x110 [ 75.392422] ? check_preemption_disabled+0x35/0x240 [ 75.397414] cache_alloc_refill+0x273/0x350 [ 75.401714] kmem_cache_alloc+0x333/0x3c0 [ 75.405837] alloc_inode+0xa0/0x170 [ 75.409442] new_inode+0x1d/0xf0 [ 75.412784] debugfs_get_inode+0x1a/0x130 [ 75.416904] debugfs_create_dir+0x63/0x420 [ 75.421128] bdi_register_va.part.0+0x1ad/0x650 [ 75.425781] bdi_register+0x101/0x110 [ 75.429559] ? bdi_register_va+0x80/0x80 [ 75.433598] ? vsnprintf+0x260/0x1340 [ 75.437374] bdi_register_owner+0x59/0xf0 [ 75.441516] device_add_disk+0x5bb/0xdc0 [ 75.445559] ? sprintf+0xa7/0xd0 [ 75.448906] ? blk_alloc_devt+0x310/0x310 [ 75.453033] ? __lockdep_init_map+0x100/0x560 [ 75.457502] ? __lockdep_init_map+0x100/0x560 [ 75.461971] loop_add+0x615/0x830 [ 75.465403] ? loop_queue_rq+0x280/0x280 [ 75.469442] ? loop_queue_work+0x21e0/0x21e0 [ 75.473826] loop_control_ioctl+0x11a/0x3f0 [ 75.478119] ? loop_lookup+0x190/0x190 [ 75.481978] ? SyS_write+0x1b7/0x210 [ 75.485668] ? loop_lookup+0x190/0x190 [ 75.489530] do_vfs_ioctl+0x75a/0xff0 [ 75.493305] ? lock_acquire+0x170/0x3f0 [ 75.497252] ? ioctl_preallocate+0x1a0/0x1a0 [ 75.501633] ? __fget+0x265/0x3e0 [ 75.505060] ? do_vfs_ioctl+0xff0/0xff0 [ 75.509009] ? security_file_ioctl+0x83/0xb0 [ 75.513391] SyS_ioctl+0x7f/0xb0 [ 75.516730] ? do_vfs_ioctl+0xff0/0xff0 [ 75.520679] do_syscall_64+0x1d5/0x640 [ 75.524544] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 75.529708] RIP: 0033:0x7f23b7998ba9 [ 75.533391] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 75.541071] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 75.548332] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 executing program [ 75.555581] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 75.562824] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 75.570067] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 75.630089] FAULT_INJECTION: forcing a failure. [ 75.630089] name failslab, interval 1, probability 0, space 0, times 0 [ 75.641357] CPU: 1 PID: 8164 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 75.649228] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 75.658564] Call Trace: [ 75.661134] dump_stack+0x1b2/0x281 [ 75.664739] should_fail.cold+0x10a/0x149 [ 75.668992] should_failslab+0xd6/0x130 [ 75.672948] kmem_cache_alloc+0x28e/0x3c0 [ 75.677074] __d_alloc+0x2a/0xa20 [ 75.680505] ? d_lookup+0x172/0x220 [ 75.684107] d_alloc+0x46/0x240 [ 75.687366] __lookup_hash+0x101/0x270 [ 75.691229] ? __inode_permission+0xcd/0x2f0 [ 75.695611] lookup_one_len+0x279/0x3a0 [ 75.699561] ? lookup_one_len_unlocked+0x410/0x410 [ 75.704469] start_creating+0xb0/0x200 [ 75.708329] __debugfs_create_file+0x4f/0x440 [ 75.712799] ? debugfs_create_file+0x37/0x60 [ 75.717193] bdi_register_va.part.0+0x1f4/0x650 [ 75.721842] bdi_register+0x101/0x110 [ 75.725617] ? bdi_register_va+0x80/0x80 [ 75.729653] ? vsnprintf+0x260/0x1340 [ 75.733449] bdi_register_owner+0x59/0xf0 [ 75.737581] device_add_disk+0x5bb/0xdc0 [ 75.741658] ? sprintf+0xa7/0xd0 [ 75.745000] ? blk_alloc_devt+0x310/0x310 [ 75.749126] ? __lockdep_init_map+0x100/0x560 [ 75.753603] ? __lockdep_init_map+0x100/0x560 [ 75.758075] loop_add+0x615/0x830 [ 75.761509] ? loop_queue_rq+0x280/0x280 [ 75.765559] ? loop_queue_work+0x21e0/0x21e0 [ 75.769948] loop_control_ioctl+0x11a/0x3f0 [ 75.774246] ? loop_lookup+0x190/0x190 [ 75.778112] ? SyS_write+0x1b7/0x210 [ 75.781808] ? loop_lookup+0x190/0x190 [ 75.785677] do_vfs_ioctl+0x75a/0xff0 [ 75.789464] ? lock_acquire+0x170/0x3f0 [ 75.793416] ? ioctl_preallocate+0x1a0/0x1a0 [ 75.797817] ? __fget+0x265/0x3e0 [ 75.801249] ? do_vfs_ioctl+0xff0/0xff0 [ 75.805199] ? security_file_ioctl+0x83/0xb0 [ 75.809585] SyS_ioctl+0x7f/0xb0 [ 75.812928] ? do_vfs_ioctl+0xff0/0xff0 [ 75.816877] do_syscall_64+0x1d5/0x640 [ 75.820741] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 75.825903] RIP: 0033:0x7f23b7998ba9 executing program [ 75.829585] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 75.837266] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 75.844510] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 75.851754] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 75.858997] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 75.866240] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 75.920567] FAULT_INJECTION: forcing a failure. [ 75.920567] name failslab, interval 1, probability 0, space 0, times 0 [ 75.933944] CPU: 0 PID: 8173 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 75.941913] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 75.951246] Call Trace: [ 75.953813] dump_stack+0x1b2/0x281 [ 75.957416] should_fail.cold+0x10a/0x149 [ 75.961539] should_failslab+0xd6/0x130 [ 75.965497] kmem_cache_alloc+0x28e/0x3c0 [ 75.969626] alloc_inode+0xa0/0x170 [ 75.973229] new_inode+0x1d/0xf0 [ 75.976572] debugfs_get_inode+0x1a/0x130 [ 75.980692] debugfs_create_dir+0x63/0x420 [ 75.984901] bdi_register_va.part.0+0x1ad/0x650 [ 75.989545] bdi_register+0x101/0x110 [ 75.993324] ? bdi_register_va+0x80/0x80 [ 75.997361] ? vsnprintf+0x260/0x1340 [ 76.001135] bdi_register_owner+0x59/0xf0 [ 76.005259] device_add_disk+0x5bb/0xdc0 [ 76.009300] ? sprintf+0xa7/0xd0 [ 76.012637] ? blk_alloc_devt+0x310/0x310 [ 76.016759] ? __lockdep_init_map+0x100/0x560 [ 76.021231] ? __lockdep_init_map+0x100/0x560 [ 76.025699] loop_add+0x615/0x830 [ 76.029127] ? loop_queue_rq+0x280/0x280 [ 76.033160] ? loop_queue_work+0x21e0/0x21e0 [ 76.037545] loop_control_ioctl+0x11a/0x3f0 [ 76.041839] ? loop_lookup+0x190/0x190 [ 76.045700] ? SyS_write+0x1b7/0x210 [ 76.049389] ? loop_lookup+0x190/0x190 [ 76.053256] do_vfs_ioctl+0x75a/0xff0 [ 76.057030] ? lock_acquire+0x170/0x3f0 [ 76.060978] ? ioctl_preallocate+0x1a0/0x1a0 [ 76.065376] ? __fget+0x265/0x3e0 [ 76.068813] ? do_vfs_ioctl+0xff0/0xff0 [ 76.072769] ? security_file_ioctl+0x83/0xb0 [ 76.077158] SyS_ioctl+0x7f/0xb0 [ 76.080500] ? do_vfs_ioctl+0xff0/0xff0 [ 76.084452] do_syscall_64+0x1d5/0x640 [ 76.088318] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 76.093482] RIP: 0033:0x7f23b7998ba9 [ 76.097165] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 76.104846] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 76.112088] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 executing program [ 76.119342] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 76.126588] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 76.133834] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 76.209767] FAULT_INJECTION: forcing a failure. [ 76.209767] name failslab, interval 1, probability 0, space 0, times 0 [ 76.222758] CPU: 0 PID: 8182 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 76.230640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 76.239974] Call Trace: [ 76.242545] dump_stack+0x1b2/0x281 [ 76.246169] should_fail.cold+0x10a/0x149 [ 76.250301] should_failslab+0xd6/0x130 [ 76.254257] kmem_cache_alloc+0x28e/0x3c0 [ 76.258385] __d_alloc+0x2a/0xa20 [ 76.261820] ? d_lookup+0x172/0x220 [ 76.265422] d_alloc+0x46/0x240 [ 76.268682] __lookup_hash+0x101/0x270 [ 76.272545] ? __inode_permission+0xcd/0x2f0 [ 76.276926] lookup_one_len+0x279/0x3a0 [ 76.280873] ? lookup_one_len_unlocked+0x410/0x410 [ 76.285783] start_creating+0xb0/0x200 [ 76.289645] __debugfs_create_file+0x4f/0x440 [ 76.294116] ? debugfs_create_file+0x37/0x60 [ 76.298503] bdi_register_va.part.0+0x1f4/0x650 [ 76.303156] bdi_register+0x101/0x110 [ 76.306935] ? bdi_register_va+0x80/0x80 [ 76.310971] ? vsnprintf+0x260/0x1340 [ 76.314747] bdi_register_owner+0x59/0xf0 [ 76.318874] device_add_disk+0x5bb/0xdc0 [ 76.322910] ? sprintf+0xa7/0xd0 [ 76.326247] ? blk_alloc_devt+0x310/0x310 [ 76.330375] ? __lockdep_init_map+0x100/0x560 [ 76.334851] ? __lockdep_init_map+0x100/0x560 [ 76.339350] loop_add+0x615/0x830 [ 76.342781] ? loop_queue_rq+0x280/0x280 [ 76.346813] ? loop_queue_work+0x21e0/0x21e0 [ 76.351194] loop_control_ioctl+0x11a/0x3f0 [ 76.355497] ? loop_lookup+0x190/0x190 [ 76.359369] ? SyS_write+0x1b7/0x210 [ 76.363059] ? loop_lookup+0x190/0x190 [ 76.366934] do_vfs_ioctl+0x75a/0xff0 [ 76.370718] ? lock_acquire+0x170/0x3f0 [ 76.374671] ? ioctl_preallocate+0x1a0/0x1a0 [ 76.379053] ? __fget+0x265/0x3e0 [ 76.382481] ? do_vfs_ioctl+0xff0/0xff0 [ 76.386430] ? security_file_ioctl+0x83/0xb0 [ 76.390812] SyS_ioctl+0x7f/0xb0 [ 76.394154] ? do_vfs_ioctl+0xff0/0xff0 [ 76.398100] do_syscall_64+0x1d5/0x640 [ 76.401965] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 executing program [ 76.407130] RIP: 0033:0x7f23b7998ba9 [ 76.410815] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 76.418494] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 76.425736] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 76.432979] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 76.440223] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 76.447471] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 76.509992] FAULT_INJECTION: forcing a failure. [ 76.509992] name failslab, interval 1, probability 0, space 0, times 0 [ 76.522880] CPU: 0 PID: 8191 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 76.530766] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 76.540101] Call Trace: [ 76.542682] dump_stack+0x1b2/0x281 [ 76.546286] should_fail.cold+0x10a/0x149 [ 76.550415] should_failslab+0xd6/0x130 [ 76.554373] kmem_cache_alloc+0x28e/0x3c0 [ 76.558505] alloc_inode+0xa0/0x170 [ 76.562108] new_inode+0x1d/0xf0 [ 76.565448] debugfs_get_inode+0x1a/0x130 [ 76.569568] debugfs_create_dir+0x63/0x420 [ 76.573780] bdi_register_va.part.0+0x1ad/0x650 [ 76.578425] bdi_register+0x101/0x110 [ 76.582198] ? bdi_register_va+0x80/0x80 [ 76.586233] ? vsnprintf+0x260/0x1340 [ 76.590007] bdi_register_owner+0x59/0xf0 [ 76.594128] device_add_disk+0x5bb/0xdc0 [ 76.598163] ? sprintf+0xa7/0xd0 [ 76.601501] ? blk_alloc_devt+0x310/0x310 [ 76.605631] ? __lockdep_init_map+0x100/0x560 [ 76.610100] ? __lockdep_init_map+0x100/0x560 [ 76.614572] loop_add+0x615/0x830 [ 76.617999] ? loop_queue_rq+0x280/0x280 [ 76.622032] ? loop_queue_work+0x21e0/0x21e0 [ 76.626415] loop_control_ioctl+0x11a/0x3f0 [ 76.630710] ? loop_lookup+0x190/0x190 [ 76.634590] ? SyS_write+0x1b7/0x210 [ 76.638282] ? loop_lookup+0x190/0x190 [ 76.642151] do_vfs_ioctl+0x75a/0xff0 [ 76.645928] ? lock_acquire+0x170/0x3f0 [ 76.649881] ? ioctl_preallocate+0x1a0/0x1a0 [ 76.654261] ? __fget+0x265/0x3e0 [ 76.657685] ? do_vfs_ioctl+0xff0/0xff0 [ 76.661633] ? security_file_ioctl+0x83/0xb0 [ 76.666013] SyS_ioctl+0x7f/0xb0 [ 76.669353] ? do_vfs_ioctl+0xff0/0xff0 [ 76.673299] do_syscall_64+0x1d5/0x640 [ 76.677164] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 76.682328] RIP: 0033:0x7f23b7998ba9 [ 76.686017] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 76.693697] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 76.700943] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 executing program [ 76.708184] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 76.715426] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 76.722667] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 76.789958] FAULT_INJECTION: forcing a failure. [ 76.789958] name failslab, interval 1, probability 0, space 0, times 0 [ 76.801434] CPU: 1 PID: 8200 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 76.809308] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 76.818642] Call Trace: [ 76.821211] dump_stack+0x1b2/0x281 [ 76.824821] should_fail.cold+0x10a/0x149 [ 76.828950] should_failslab+0xd6/0x130 [ 76.832901] kmem_cache_alloc+0x28e/0x3c0 [ 76.837025] alloc_inode+0xa0/0x170 [ 76.840628] new_inode+0x1d/0xf0 [ 76.843968] debugfs_get_inode+0x1a/0x130 [ 76.848088] __debugfs_create_file+0x93/0x440 [ 76.852557] ? debugfs_create_file+0x37/0x60 [ 76.856940] bdi_register_va.part.0+0x1f4/0x650 [ 76.861584] bdi_register+0x101/0x110 [ 76.865359] ? bdi_register_va+0x80/0x80 [ 76.869399] ? vsnprintf+0x260/0x1340 [ 76.873173] bdi_register_owner+0x59/0xf0 [ 76.877296] device_add_disk+0x5bb/0xdc0 [ 76.881332] ? sprintf+0xa7/0xd0 [ 76.884670] ? blk_alloc_devt+0x310/0x310 [ 76.888797] ? __lockdep_init_map+0x100/0x560 [ 76.893265] ? __lockdep_init_map+0x100/0x560 [ 76.897735] loop_add+0x615/0x830 [ 76.901170] ? loop_queue_rq+0x280/0x280 [ 76.905207] ? loop_queue_work+0x21e0/0x21e0 [ 76.909588] loop_control_ioctl+0x11a/0x3f0 [ 76.913881] ? loop_lookup+0x190/0x190 [ 76.917742] ? SyS_write+0x1b7/0x210 [ 76.921431] ? loop_lookup+0x190/0x190 [ 76.925289] do_vfs_ioctl+0x75a/0xff0 [ 76.929070] ? lock_acquire+0x170/0x3f0 [ 76.933018] ? ioctl_preallocate+0x1a0/0x1a0 [ 76.937406] ? __fget+0x265/0x3e0 [ 76.940834] ? do_vfs_ioctl+0xff0/0xff0 [ 76.944783] ? security_file_ioctl+0x83/0xb0 [ 76.949177] SyS_ioctl+0x7f/0xb0 [ 76.952524] ? do_vfs_ioctl+0xff0/0xff0 [ 76.956471] do_syscall_64+0x1d5/0x640 [ 76.960336] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 76.965501] RIP: 0033:0x7f23b7998ba9 [ 76.969197] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 76.976883] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 executing program [ 76.984125] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 76.991372] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 76.998616] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 77.005861] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 77.079488] FAULT_INJECTION: forcing a failure. [ 77.079488] name failslab, interval 1, probability 0, space 0, times 0 [ 77.091749] CPU: 0 PID: 8209 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 77.099630] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 77.108966] Call Trace: [ 77.111800] dump_stack+0x1b2/0x281 [ 77.115411] should_fail.cold+0x10a/0x149 [ 77.119534] should_failslab+0xd6/0x130 [ 77.123483] kmem_cache_alloc+0x28e/0x3c0 [ 77.127605] alloc_inode+0xa0/0x170 [ 77.131213] new_inode+0x1d/0xf0 [ 77.134554] debugfs_get_inode+0x1a/0x130 [ 77.138677] __debugfs_create_file+0x93/0x440 [ 77.143144] ? debugfs_create_file+0x37/0x60 [ 77.147528] bdi_register_va.part.0+0x1f4/0x650 [ 77.152178] bdi_register+0x101/0x110 [ 77.155951] ? bdi_register_va+0x80/0x80 [ 77.159988] ? vsnprintf+0x260/0x1340 [ 77.163766] bdi_register_owner+0x59/0xf0 [ 77.167886] device_add_disk+0x5bb/0xdc0 [ 77.171923] ? sprintf+0xa7/0xd0 [ 77.175262] ? blk_alloc_devt+0x310/0x310 [ 77.179390] ? __lockdep_init_map+0x100/0x560 [ 77.183862] ? __lockdep_init_map+0x100/0x560 [ 77.188334] loop_add+0x615/0x830 [ 77.191760] ? loop_queue_rq+0x280/0x280 [ 77.195792] ? loop_queue_work+0x21e0/0x21e0 [ 77.200178] loop_control_ioctl+0x11a/0x3f0 [ 77.204477] ? loop_lookup+0x190/0x190 [ 77.208344] ? SyS_write+0x1b7/0x210 [ 77.212030] ? loop_lookup+0x190/0x190 [ 77.215892] do_vfs_ioctl+0x75a/0xff0 [ 77.219665] ? lock_acquire+0x170/0x3f0 [ 77.223615] ? ioctl_preallocate+0x1a0/0x1a0 [ 77.228024] ? __fget+0x265/0x3e0 [ 77.231452] ? do_vfs_ioctl+0xff0/0xff0 [ 77.235400] ? security_file_ioctl+0x83/0xb0 [ 77.239782] SyS_ioctl+0x7f/0xb0 [ 77.243120] ? do_vfs_ioctl+0xff0/0xff0 [ 77.247067] do_syscall_64+0x1d5/0x640 [ 77.250931] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 77.256094] RIP: 0033:0x7f23b7998ba9 [ 77.259776] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 77.267455] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 executing program [ 77.274699] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 77.281943] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 77.289185] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 77.296427] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 77.343439] FAULT_INJECTION: forcing a failure. [ 77.343439] name failslab, interval 1, probability 0, space 0, times 0 [ 77.354988] CPU: 1 PID: 8218 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 77.362848] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 77.372176] Call Trace: [ 77.374743] dump_stack+0x1b2/0x281 [ 77.378349] should_fail.cold+0x10a/0x149 [ 77.382474] should_failslab+0xd6/0x130 [ 77.386423] kmem_cache_alloc+0x28e/0x3c0 [ 77.390551] __d_alloc+0x2a/0xa20 [ 77.393977] ? d_lookup+0x172/0x220 [ 77.397579] d_alloc+0x46/0x240 [ 77.400843] __lookup_hash+0x101/0x270 [ 77.404705] ? __inode_permission+0xcd/0x2f0 [ 77.409145] lookup_one_len+0x279/0x3a0 [ 77.413099] ? lookup_one_len_unlocked+0x410/0x410 [ 77.418009] start_creating+0xb0/0x200 [ 77.421874] __debugfs_create_file+0x4f/0x440 [ 77.426342] ? debugfs_create_file+0x37/0x60 [ 77.430728] bdi_register_va.part.0+0x1f4/0x650 [ 77.435375] bdi_register+0x101/0x110 [ 77.439154] ? bdi_register_va+0x80/0x80 [ 77.443200] ? vsnprintf+0x260/0x1340 [ 77.446976] bdi_register_owner+0x59/0xf0 [ 77.451103] device_add_disk+0x5bb/0xdc0 [ 77.455140] ? sprintf+0xa7/0xd0 [ 77.458487] ? blk_alloc_devt+0x310/0x310 [ 77.462608] ? __lockdep_init_map+0x100/0x560 [ 77.467077] ? __lockdep_init_map+0x100/0x560 [ 77.471552] loop_add+0x615/0x830 [ 77.474980] ? loop_queue_rq+0x280/0x280 [ 77.479010] ? loop_queue_work+0x21e0/0x21e0 [ 77.483393] loop_control_ioctl+0x11a/0x3f0 [ 77.487689] ? loop_lookup+0x190/0x190 [ 77.491551] ? SyS_write+0x1b7/0x210 [ 77.495239] ? loop_lookup+0x190/0x190 [ 77.499103] do_vfs_ioctl+0x75a/0xff0 [ 77.502880] ? lock_acquire+0x170/0x3f0 [ 77.506830] ? ioctl_preallocate+0x1a0/0x1a0 [ 77.511240] ? __fget+0x265/0x3e0 [ 77.515022] ? do_vfs_ioctl+0xff0/0xff0 [ 77.518970] ? security_file_ioctl+0x83/0xb0 [ 77.523351] SyS_ioctl+0x7f/0xb0 [ 77.526688] ? do_vfs_ioctl+0xff0/0xff0 [ 77.530641] do_syscall_64+0x1d5/0x640 [ 77.534508] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 77.539672] RIP: 0033:0x7f23b7998ba9 executing program [ 77.543357] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 77.551037] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 77.558280] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 77.565526] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 77.572772] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 77.580014] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 77.649645] FAULT_INJECTION: forcing a failure. [ 77.649645] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 77.661456] CPU: 0 PID: 8227 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 77.669325] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 77.678653] Call Trace: [ 77.681217] dump_stack+0x1b2/0x281 [ 77.684819] should_fail.cold+0x10a/0x149 [ 77.688944] __alloc_pages_nodemask+0x21e/0x2900 [ 77.693677] ? trace_hardirqs_on+0x10/0x10 [ 77.697887] ? lock_acquire+0x170/0x3f0 [ 77.701834] ? __lock_acquire+0x5fc/0x3f20 [ 77.706044] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 77.710863] ? lock_acquire+0x170/0x3f0 [ 77.714808] ? lock_downgrade+0x740/0x740 [ 77.718932] ? do_raw_spin_unlock+0x164/0x220 [ 77.723401] cache_grow_begin+0x91/0x700 [ 77.727437] ? fs_reclaim_release+0xd0/0x110 [ 77.731820] ? check_preemption_disabled+0x35/0x240 [ 77.736810] cache_alloc_refill+0x273/0x350 [ 77.741107] kmem_cache_alloc+0x333/0x3c0 [ 77.745229] alloc_inode+0xa0/0x170 [ 77.748829] new_inode+0x1d/0xf0 [ 77.752169] debugfs_get_inode+0x1a/0x130 [ 77.756289] debugfs_create_dir+0x63/0x420 [ 77.760543] bdi_register_va.part.0+0x1ad/0x650 [ 77.765203] bdi_register+0x101/0x110 [ 77.768976] ? bdi_register_va+0x80/0x80 [ 77.773023] ? vsnprintf+0x260/0x1340 [ 77.776811] bdi_register_owner+0x59/0xf0 [ 77.780932] device_add_disk+0x5bb/0xdc0 [ 77.784967] ? sprintf+0xa7/0xd0 [ 77.788306] ? blk_alloc_devt+0x310/0x310 [ 77.792429] ? __lockdep_init_map+0x100/0x560 [ 77.796897] ? __lockdep_init_map+0x100/0x560 [ 77.801366] loop_add+0x615/0x830 [ 77.804794] ? loop_queue_rq+0x280/0x280 [ 77.808826] ? loop_queue_work+0x21e0/0x21e0 [ 77.813209] loop_control_ioctl+0x11a/0x3f0 [ 77.817503] ? loop_lookup+0x190/0x190 [ 77.821381] ? SyS_write+0x1b7/0x210 [ 77.825070] ? loop_lookup+0x190/0x190 [ 77.828931] do_vfs_ioctl+0x75a/0xff0 [ 77.832707] ? lock_acquire+0x170/0x3f0 [ 77.836653] ? ioctl_preallocate+0x1a0/0x1a0 [ 77.841034] ? __fget+0x265/0x3e0 [ 77.844459] ? do_vfs_ioctl+0xff0/0xff0 [ 77.848409] ? security_file_ioctl+0x83/0xb0 [ 77.852795] SyS_ioctl+0x7f/0xb0 [ 77.856134] ? do_vfs_ioctl+0xff0/0xff0 [ 77.860107] do_syscall_64+0x1d5/0x640 [ 77.863972] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 77.869135] RIP: 0033:0x7f23b7998ba9 [ 77.872818] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 77.880510] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 77.887756] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 executing program [ 77.894998] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 77.902245] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 77.909489] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 77.969987] FAULT_INJECTION: forcing a failure. [ 77.969987] name failslab, interval 1, probability 0, space 0, times 0 [ 77.981678] CPU: 1 PID: 8236 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 77.989557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 77.998888] Call Trace: [ 78.001452] dump_stack+0x1b2/0x281 [ 78.005231] should_fail.cold+0x10a/0x149 [ 78.009357] should_failslab+0xd6/0x130 [ 78.013306] kmem_cache_alloc+0x28e/0x3c0 [ 78.017426] __d_alloc+0x2a/0xa20 [ 78.020857] ? d_lookup+0x172/0x220 [ 78.024466] d_alloc+0x46/0x240 [ 78.027719] __lookup_hash+0x101/0x270 [ 78.031579] ? __inode_permission+0xcd/0x2f0 [ 78.035960] lookup_one_len+0x279/0x3a0 [ 78.039914] ? lookup_one_len_unlocked+0x410/0x410 [ 78.044820] start_creating+0xb0/0x200 [ 78.048689] debugfs_create_dir+0x1f/0x420 [ 78.052900] bdi_register_va.part.0+0x1ad/0x650 [ 78.057544] bdi_register+0x101/0x110 [ 78.061326] ? bdi_register_va+0x80/0x80 [ 78.065369] ? vsnprintf+0x260/0x1340 [ 78.069152] bdi_register_owner+0x59/0xf0 [ 78.073273] device_add_disk+0x5bb/0xdc0 [ 78.077312] ? sprintf+0xa7/0xd0 [ 78.080650] ? blk_alloc_devt+0x310/0x310 [ 78.084772] ? __lockdep_init_map+0x100/0x560 [ 78.089239] ? __lockdep_init_map+0x100/0x560 [ 78.093708] loop_add+0x615/0x830 [ 78.097133] ? loop_queue_rq+0x280/0x280 [ 78.101167] ? loop_queue_work+0x21e0/0x21e0 [ 78.105548] loop_control_ioctl+0x11a/0x3f0 [ 78.109841] ? loop_lookup+0x190/0x190 [ 78.113703] ? SyS_write+0x1b7/0x210 [ 78.117410] ? loop_lookup+0x190/0x190 [ 78.121279] do_vfs_ioctl+0x75a/0xff0 [ 78.125060] ? lock_acquire+0x170/0x3f0 [ 78.129007] ? ioctl_preallocate+0x1a0/0x1a0 [ 78.133390] ? __fget+0x265/0x3e0 [ 78.136976] ? do_vfs_ioctl+0xff0/0xff0 [ 78.140932] ? security_file_ioctl+0x83/0xb0 [ 78.145327] SyS_ioctl+0x7f/0xb0 [ 78.148680] ? do_vfs_ioctl+0xff0/0xff0 [ 78.152635] do_syscall_64+0x1d5/0x640 [ 78.156498] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 78.161664] RIP: 0033:0x7f23b7998ba9 executing program executing program [ 78.165349] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 78.173033] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 78.180280] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 78.187526] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 78.194773] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 78.202017] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 78.279795] FAULT_INJECTION: forcing a failure. [ 78.279795] name failslab, interval 1, probability 0, space 0, times 0 [ 78.291104] CPU: 0 PID: 8247 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 78.298975] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 78.308304] Call Trace: [ 78.310870] dump_stack+0x1b2/0x281 [ 78.314473] should_fail.cold+0x10a/0x149 [ 78.318598] should_failslab+0xd6/0x130 [ 78.322546] kmem_cache_alloc+0x28e/0x3c0 [ 78.326669] alloc_inode+0xa0/0x170 [ 78.330270] new_inode+0x1d/0xf0 [ 78.333611] debugfs_get_inode+0x1a/0x130 [ 78.337732] debugfs_create_dir+0x63/0x420 [ 78.341942] bdi_register_va.part.0+0x1ad/0x650 [ 78.346588] bdi_register+0x101/0x110 [ 78.350384] ? bdi_register_va+0x80/0x80 [ 78.354421] ? vsnprintf+0x260/0x1340 [ 78.358195] bdi_register_owner+0x59/0xf0 [ 78.362320] device_add_disk+0x5bb/0xdc0 [ 78.366356] ? sprintf+0xa7/0xd0 [ 78.369695] ? blk_alloc_devt+0x310/0x310 [ 78.373821] ? __lockdep_init_map+0x100/0x560 [ 78.378287] ? __lockdep_init_map+0x100/0x560 [ 78.382756] loop_add+0x615/0x830 [ 78.386182] ? loop_queue_rq+0x280/0x280 [ 78.390214] ? loop_queue_work+0x21e0/0x21e0 [ 78.394598] loop_control_ioctl+0x11a/0x3f0 [ 78.398893] ? loop_lookup+0x190/0x190 [ 78.402752] ? SyS_write+0x1b7/0x210 [ 78.406437] ? loop_lookup+0x190/0x190 [ 78.410299] do_vfs_ioctl+0x75a/0xff0 [ 78.414070] ? lock_acquire+0x170/0x3f0 [ 78.418026] ? ioctl_preallocate+0x1a0/0x1a0 [ 78.422419] ? __fget+0x265/0x3e0 [ 78.425861] ? do_vfs_ioctl+0xff0/0xff0 [ 78.429898] ? security_file_ioctl+0x83/0xb0 [ 78.434801] SyS_ioctl+0x7f/0xb0 [ 78.438169] ? do_vfs_ioctl+0xff0/0xff0 [ 78.442121] do_syscall_64+0x1d5/0x640 [ 78.445986] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 78.451149] RIP: 0033:0x7f23b7998ba9 [ 78.454834] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 78.462514] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 78.469757] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 executing program [ 78.476998] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 78.484240] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 78.491487] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 78.549275] FAULT_INJECTION: forcing a failure. [ 78.549275] name failslab, interval 1, probability 0, space 0, times 0 [ 78.560742] CPU: 0 PID: 8256 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 78.568604] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 78.577931] Call Trace: [ 78.580495] dump_stack+0x1b2/0x281 [ 78.584097] should_fail.cold+0x10a/0x149 [ 78.588222] should_failslab+0xd6/0x130 [ 78.592172] kmem_cache_alloc+0x28e/0x3c0 [ 78.596295] __d_alloc+0x2a/0xa20 [ 78.599722] ? d_lookup+0x172/0x220 [ 78.603324] d_alloc+0x46/0x240 [ 78.606582] __lookup_hash+0x101/0x270 [ 78.610443] ? __inode_permission+0xcd/0x2f0 [ 78.614826] lookup_one_len+0x279/0x3a0 [ 78.618774] ? lookup_one_len_unlocked+0x410/0x410 [ 78.623679] start_creating+0xb0/0x200 [ 78.627542] debugfs_create_dir+0x1f/0x420 [ 78.631753] bdi_register_va.part.0+0x1ad/0x650 [ 78.636396] bdi_register+0x101/0x110 [ 78.640174] ? bdi_register_va+0x80/0x80 [ 78.644211] ? vsnprintf+0x260/0x1340 [ 78.647987] bdi_register_owner+0x59/0xf0 [ 78.652108] device_add_disk+0x5bb/0xdc0 [ 78.656144] ? sprintf+0xa7/0xd0 [ 78.659485] ? blk_alloc_devt+0x310/0x310 [ 78.663612] ? __lockdep_init_map+0x100/0x560 [ 78.668084] ? __lockdep_init_map+0x100/0x560 [ 78.672561] loop_add+0x615/0x830 [ 78.675988] ? loop_queue_rq+0x280/0x280 [ 78.680022] ? loop_queue_work+0x21e0/0x21e0 [ 78.684405] loop_control_ioctl+0x11a/0x3f0 [ 78.688700] ? loop_lookup+0x190/0x190 [ 78.692562] ? SyS_write+0x1b7/0x210 [ 78.696252] ? loop_lookup+0x190/0x190 [ 78.700115] do_vfs_ioctl+0x75a/0xff0 [ 78.703894] ? lock_acquire+0x170/0x3f0 [ 78.707841] ? ioctl_preallocate+0x1a0/0x1a0 [ 78.712223] ? __fget+0x265/0x3e0 [ 78.715648] ? do_vfs_ioctl+0xff0/0xff0 [ 78.719595] ? security_file_ioctl+0x83/0xb0 [ 78.723976] SyS_ioctl+0x7f/0xb0 [ 78.727318] ? do_vfs_ioctl+0xff0/0xff0 [ 78.731267] do_syscall_64+0x1d5/0x640 [ 78.735149] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 78.740314] RIP: 0033:0x7f23b7998ba9 executing program [ 78.743998] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 78.751767] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 78.759015] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 78.766391] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 78.773642] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 78.780895] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 78.852740] FAULT_INJECTION: forcing a failure. [ 78.852740] name failslab, interval 1, probability 0, space 0, times 0 [ 78.867101] CPU: 0 PID: 8263 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 78.874998] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 78.884438] Call Trace: [ 78.887016] dump_stack+0x1b2/0x281 [ 78.890640] should_fail.cold+0x10a/0x149 [ 78.894774] should_failslab+0xd6/0x130 [ 78.898728] kmem_cache_alloc+0x28e/0x3c0 [ 78.902854] alloc_inode+0xa0/0x170 [ 78.906456] new_inode+0x1d/0xf0 [ 78.909799] debugfs_get_inode+0x1a/0x130 [ 78.913920] debugfs_create_dir+0x63/0x420 [ 78.918142] bdi_register_va.part.0+0x1ad/0x650 [ 78.922786] bdi_register+0x101/0x110 [ 78.926560] ? bdi_register_va+0x80/0x80 [ 78.930616] ? vsnprintf+0x260/0x1340 [ 78.934390] bdi_register_owner+0x59/0xf0 [ 78.938512] device_add_disk+0x5bb/0xdc0 [ 78.942559] ? sprintf+0xa7/0xd0 [ 78.945909] ? blk_alloc_devt+0x310/0x310 [ 78.950052] ? __lockdep_init_map+0x100/0x560 [ 78.954527] ? __lockdep_init_map+0x100/0x560 [ 78.958997] loop_add+0x615/0x830 [ 78.962425] ? loop_queue_rq+0x280/0x280 [ 78.966461] ? loop_queue_work+0x21e0/0x21e0 [ 78.970845] loop_control_ioctl+0x11a/0x3f0 [ 78.975139] ? loop_lookup+0x190/0x190 [ 78.978999] ? SyS_write+0x1b7/0x210 [ 78.982697] ? loop_lookup+0x190/0x190 [ 78.986558] do_vfs_ioctl+0x75a/0xff0 [ 78.990336] ? lock_acquire+0x170/0x3f0 [ 78.994285] ? ioctl_preallocate+0x1a0/0x1a0 [ 78.998670] ? __fget+0x265/0x3e0 [ 79.002100] ? do_vfs_ioctl+0xff0/0xff0 [ 79.006048] ? security_file_ioctl+0x83/0xb0 [ 79.010824] SyS_ioctl+0x7f/0xb0 [ 79.014176] ? do_vfs_ioctl+0xff0/0xff0 [ 79.018131] do_syscall_64+0x1d5/0x640 [ 79.022005] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 79.027182] RIP: 0033:0x7f23b7998ba9 [ 79.030870] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 79.038552] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 79.045797] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 executing program [ 79.053042] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 79.060293] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 79.067542] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 79.139743] FAULT_INJECTION: forcing a failure. [ 79.139743] name failslab, interval 1, probability 0, space 0, times 0 [ 79.152639] CPU: 0 PID: 8272 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 79.160525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 79.169855] Call Trace: [ 79.172424] dump_stack+0x1b2/0x281 [ 79.176028] should_fail.cold+0x10a/0x149 [ 79.180151] should_failslab+0xd6/0x130 [ 79.184101] kmem_cache_alloc+0x28e/0x3c0 [ 79.188228] alloc_inode+0xa0/0x170 [ 79.191826] new_inode+0x1d/0xf0 [ 79.195185] debugfs_get_inode+0x1a/0x130 [ 79.199307] debugfs_create_dir+0x63/0x420 [ 79.203518] bdi_register_va.part.0+0x1ad/0x650 [ 79.208164] bdi_register+0x101/0x110 [ 79.211939] ? bdi_register_va+0x80/0x80 [ 79.215975] ? vsnprintf+0x260/0x1340 [ 79.219760] bdi_register_owner+0x59/0xf0 [ 79.223882] device_add_disk+0x5bb/0xdc0 [ 79.227920] ? sprintf+0xa7/0xd0 [ 79.231262] ? blk_alloc_devt+0x310/0x310 [ 79.235391] ? __lockdep_init_map+0x100/0x560 [ 79.239866] ? __lockdep_init_map+0x100/0x560 [ 79.244337] loop_add+0x615/0x830 [ 79.247764] ? loop_queue_rq+0x280/0x280 [ 79.251798] ? loop_queue_work+0x21e0/0x21e0 [ 79.256182] loop_control_ioctl+0x11a/0x3f0 [ 79.260497] ? loop_lookup+0x190/0x190 [ 79.264367] ? SyS_write+0x1b7/0x210 [ 79.268053] ? loop_lookup+0x190/0x190 [ 79.271917] do_vfs_ioctl+0x75a/0xff0 [ 79.275691] ? lock_acquire+0x170/0x3f0 [ 79.279662] ? ioctl_preallocate+0x1a0/0x1a0 [ 79.284060] ? __fget+0x265/0x3e0 [ 79.287489] ? do_vfs_ioctl+0xff0/0xff0 [ 79.291439] ? security_file_ioctl+0x83/0xb0 [ 79.295819] SyS_ioctl+0x7f/0xb0 [ 79.299159] ? do_vfs_ioctl+0xff0/0xff0 [ 79.303109] do_syscall_64+0x1d5/0x640 [ 79.306975] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 79.312225] RIP: 0033:0x7f23b7998ba9 [ 79.315917] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 79.323607] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 79.330853] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 executing program [ 79.338097] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 79.345340] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 79.352591] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 79.409274] FAULT_INJECTION: forcing a failure. [ 79.409274] name failslab, interval 1, probability 0, space 0, times 0 [ 79.420784] CPU: 0 PID: 8281 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 79.428659] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 79.437990] Call Trace: [ 79.440558] dump_stack+0x1b2/0x281 [ 79.444174] should_fail.cold+0x10a/0x149 [ 79.448300] should_failslab+0xd6/0x130 [ 79.452251] kmem_cache_alloc+0x28e/0x3c0 [ 79.456378] alloc_inode+0xa0/0x170 [ 79.459978] new_inode+0x1d/0xf0 [ 79.463318] debugfs_get_inode+0x1a/0x130 [ 79.467445] debugfs_create_dir+0x63/0x420 [ 79.471656] bdi_register_va.part.0+0x1ad/0x650 [ 79.476302] bdi_register+0x101/0x110 [ 79.480083] ? bdi_register_va+0x80/0x80 [ 79.484119] ? vsnprintf+0x260/0x1340 [ 79.487893] bdi_register_owner+0x59/0xf0 [ 79.492016] device_add_disk+0x5bb/0xdc0 [ 79.496055] ? sprintf+0xa7/0xd0 [ 79.499400] ? blk_alloc_devt+0x310/0x310 [ 79.503529] ? __lockdep_init_map+0x100/0x560 [ 79.507999] ? __lockdep_init_map+0x100/0x560 [ 79.512470] loop_add+0x615/0x830 [ 79.515896] ? loop_queue_rq+0x280/0x280 [ 79.519937] ? loop_queue_work+0x21e0/0x21e0 [ 79.524326] loop_control_ioctl+0x11a/0x3f0 [ 79.528623] ? loop_lookup+0x190/0x190 [ 79.532488] ? SyS_write+0x1b7/0x210 [ 79.536185] ? loop_lookup+0x190/0x190 [ 79.540051] do_vfs_ioctl+0x75a/0xff0 [ 79.543835] ? lock_acquire+0x170/0x3f0 [ 79.547784] ? ioctl_preallocate+0x1a0/0x1a0 [ 79.552168] ? __fget+0x265/0x3e0 [ 79.555595] ? do_vfs_ioctl+0xff0/0xff0 [ 79.559543] ? security_file_ioctl+0x83/0xb0 [ 79.563924] SyS_ioctl+0x7f/0xb0 [ 79.567263] ? do_vfs_ioctl+0xff0/0xff0 [ 79.571215] do_syscall_64+0x1d5/0x640 [ 79.575079] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 79.580241] RIP: 0033:0x7f23b7998ba9 [ 79.583923] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 79.591602] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 79.598845] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 executing program [ 79.606087] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 79.613591] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 79.620833] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 79.679301] FAULT_INJECTION: forcing a failure. [ 79.679301] name failslab, interval 1, probability 0, space 0, times 0 [ 79.692079] CPU: 0 PID: 8290 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 79.699960] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 79.709672] Call Trace: [ 79.712243] dump_stack+0x1b2/0x281 [ 79.715847] should_fail.cold+0x10a/0x149 [ 79.719975] should_failslab+0xd6/0x130 [ 79.723929] kmem_cache_alloc+0x28e/0x3c0 [ 79.728051] alloc_inode+0xa0/0x170 [ 79.731651] new_inode+0x1d/0xf0 [ 79.734991] debugfs_get_inode+0x1a/0x130 [ 79.739123] debugfs_create_dir+0x63/0x420 [ 79.743337] bdi_register_va.part.0+0x1ad/0x650 [ 79.747981] bdi_register+0x101/0x110 [ 79.751755] ? bdi_register_va+0x80/0x80 [ 79.755790] ? vsnprintf+0x260/0x1340 [ 79.759563] bdi_register_owner+0x59/0xf0 [ 79.763682] device_add_disk+0x5bb/0xdc0 [ 79.767719] ? sprintf+0xa7/0xd0 [ 79.771057] ? blk_alloc_devt+0x310/0x310 [ 79.775199] ? __lockdep_init_map+0x100/0x560 [ 79.779692] ? __lockdep_init_map+0x100/0x560 [ 79.784168] loop_add+0x615/0x830 [ 79.787596] ? loop_queue_rq+0x280/0x280 [ 79.791632] ? loop_queue_work+0x21e0/0x21e0 [ 79.796017] loop_control_ioctl+0x11a/0x3f0 [ 79.800313] ? loop_lookup+0x190/0x190 [ 79.804262] ? SyS_write+0x1b7/0x210 [ 79.807951] ? loop_lookup+0x190/0x190 [ 79.811815] do_vfs_ioctl+0x75a/0xff0 [ 79.815593] ? lock_acquire+0x170/0x3f0 [ 79.819546] ? ioctl_preallocate+0x1a0/0x1a0 [ 79.823929] ? __fget+0x265/0x3e0 [ 79.827354] ? do_vfs_ioctl+0xff0/0xff0 [ 79.831307] ? security_file_ioctl+0x83/0xb0 [ 79.835689] SyS_ioctl+0x7f/0xb0 [ 79.839029] ? do_vfs_ioctl+0xff0/0xff0 [ 79.842979] do_syscall_64+0x1d5/0x640 [ 79.846843] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 79.852110] RIP: 0033:0x7f23b7998ba9 [ 79.855798] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 79.863484] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 79.870731] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 executing program [ 79.877980] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 79.885227] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 79.892473] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 79.960244] FAULT_INJECTION: forcing a failure. [ 79.960244] name failslab, interval 1, probability 0, space 0, times 0 [ 79.971550] CPU: 0 PID: 8299 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 79.979422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 79.988756] Call Trace: [ 79.991322] dump_stack+0x1b2/0x281 [ 79.994937] should_fail.cold+0x10a/0x149 [ 79.999067] should_failslab+0xd6/0x130 [ 80.003025] kmem_cache_alloc+0x28e/0x3c0 [ 80.007154] __d_alloc+0x2a/0xa20 [ 80.010582] ? d_lookup+0x172/0x220 [ 80.014188] d_alloc+0x46/0x240 [ 80.017446] __lookup_hash+0x101/0x270 [ 80.021305] ? __inode_permission+0xcd/0x2f0 [ 80.025687] lookup_one_len+0x279/0x3a0 [ 80.029655] ? lookup_one_len_unlocked+0x410/0x410 [ 80.034580] start_creating+0xb0/0x200 [ 80.038453] debugfs_create_dir+0x1f/0x420 [ 80.042678] bdi_register_va.part.0+0x1ad/0x650 [ 80.047323] bdi_register+0x101/0x110 [ 80.051102] ? bdi_register_va+0x80/0x80 [ 80.055139] ? vsnprintf+0x260/0x1340 [ 80.058928] bdi_register_owner+0x59/0xf0 [ 80.063050] device_add_disk+0x5bb/0xdc0 [ 80.067089] ? sprintf+0xa7/0xd0 [ 80.070431] ? blk_alloc_devt+0x310/0x310 [ 80.074553] ? __lockdep_init_map+0x100/0x560 [ 80.079020] ? __lockdep_init_map+0x100/0x560 [ 80.083491] loop_add+0x615/0x830 [ 80.086919] ? loop_queue_rq+0x280/0x280 [ 80.090952] ? loop_queue_work+0x21e0/0x21e0 [ 80.095342] loop_control_ioctl+0x11a/0x3f0 [ 80.099635] ? loop_lookup+0x190/0x190 [ 80.103496] ? SyS_write+0x1b7/0x210 [ 80.107184] ? loop_lookup+0x190/0x190 [ 80.111044] do_vfs_ioctl+0x75a/0xff0 [ 80.114818] ? lock_acquire+0x170/0x3f0 [ 80.118765] ? ioctl_preallocate+0x1a0/0x1a0 [ 80.123147] ? __fget+0x265/0x3e0 [ 80.126578] ? do_vfs_ioctl+0xff0/0xff0 [ 80.130536] ? security_file_ioctl+0x83/0xb0 [ 80.134918] SyS_ioctl+0x7f/0xb0 [ 80.138257] ? do_vfs_ioctl+0xff0/0xff0 [ 80.142209] do_syscall_64+0x1d5/0x640 [ 80.146075] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 80.151238] RIP: 0033:0x7f23b7998ba9 executing program [ 80.154927] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 80.162618] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 80.169861] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 80.177103] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 80.184354] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 80.191598] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 80.269305] FAULT_INJECTION: forcing a failure. [ 80.269305] name failslab, interval 1, probability 0, space 0, times 0 [ 80.280612] CPU: 0 PID: 8308 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 80.288484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 80.297815] Call Trace: [ 80.300381] dump_stack+0x1b2/0x281 [ 80.303989] should_fail.cold+0x10a/0x149 [ 80.308117] should_failslab+0xd6/0x130 [ 80.312068] kmem_cache_alloc+0x28e/0x3c0 [ 80.316194] __d_alloc+0x2a/0xa20 [ 80.319620] ? d_lookup+0x172/0x220 [ 80.323234] d_alloc+0x46/0x240 [ 80.326491] __lookup_hash+0x101/0x270 [ 80.330352] ? __inode_permission+0xcd/0x2f0 [ 80.334738] lookup_one_len+0x279/0x3a0 [ 80.338687] ? lookup_one_len_unlocked+0x410/0x410 [ 80.343596] start_creating+0xb0/0x200 [ 80.347461] __debugfs_create_file+0x4f/0x440 [ 80.351928] ? debugfs_create_file+0x37/0x60 [ 80.356312] bdi_register_va.part.0+0x1f4/0x650 [ 80.360954] bdi_register+0x101/0x110 [ 80.364726] ? bdi_register_va+0x80/0x80 [ 80.368762] ? vsnprintf+0x260/0x1340 [ 80.372536] bdi_register_owner+0x59/0xf0 [ 80.376660] device_add_disk+0x5bb/0xdc0 [ 80.380696] ? sprintf+0xa7/0xd0 [ 80.384034] ? blk_alloc_devt+0x310/0x310 [ 80.388167] ? __lockdep_init_map+0x100/0x560 [ 80.392644] ? __lockdep_init_map+0x100/0x560 [ 80.397232] loop_add+0x615/0x830 [ 80.400665] ? loop_queue_rq+0x280/0x280 [ 80.404730] ? loop_queue_work+0x21e0/0x21e0 [ 80.409125] loop_control_ioctl+0x11a/0x3f0 [ 80.413425] ? loop_lookup+0x190/0x190 [ 80.417291] ? SyS_write+0x1b7/0x210 [ 80.420980] ? loop_lookup+0x190/0x190 [ 80.424843] do_vfs_ioctl+0x75a/0xff0 [ 80.428622] ? lock_acquire+0x170/0x3f0 [ 80.432577] ? ioctl_preallocate+0x1a0/0x1a0 [ 80.436979] ? __fget+0x265/0x3e0 [ 80.440422] ? do_vfs_ioctl+0xff0/0xff0 [ 80.444372] ? security_file_ioctl+0x83/0xb0 [ 80.448754] SyS_ioctl+0x7f/0xb0 [ 80.452094] ? do_vfs_ioctl+0xff0/0xff0 [ 80.456041] do_syscall_64+0x1d5/0x640 [ 80.459913] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 80.465082] RIP: 0033:0x7f23b7998ba9 executing program [ 80.468765] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 80.476444] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 80.483687] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 80.490930] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 80.498173] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 80.505417] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 80.559304] FAULT_INJECTION: forcing a failure. [ 80.559304] name failslab, interval 1, probability 0, space 0, times 0 [ 80.572356] CPU: 0 PID: 8317 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 80.580243] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 80.589574] Call Trace: [ 80.592139] dump_stack+0x1b2/0x281 [ 80.595745] should_fail.cold+0x10a/0x149 [ 80.599869] should_failslab+0xd6/0x130 [ 80.603815] kmem_cache_alloc+0x28e/0x3c0 [ 80.607938] alloc_inode+0xa0/0x170 [ 80.611539] new_inode+0x1d/0xf0 [ 80.614880] debugfs_get_inode+0x1a/0x130 [ 80.619087] debugfs_create_dir+0x63/0x420 [ 80.623299] bdi_register_va.part.0+0x1ad/0x650 [ 80.627942] bdi_register+0x101/0x110 [ 80.631722] ? bdi_register_va+0x80/0x80 [ 80.635758] ? vsnprintf+0x260/0x1340 [ 80.639532] bdi_register_owner+0x59/0xf0 [ 80.643659] device_add_disk+0x5bb/0xdc0 [ 80.647701] ? sprintf+0xa7/0xd0 [ 80.651040] ? blk_alloc_devt+0x310/0x310 [ 80.655164] ? __lockdep_init_map+0x100/0x560 [ 80.659632] ? __lockdep_init_map+0x100/0x560 [ 80.664191] loop_add+0x615/0x830 [ 80.667625] ? loop_queue_rq+0x280/0x280 [ 80.671664] ? loop_queue_work+0x21e0/0x21e0 [ 80.676054] loop_control_ioctl+0x11a/0x3f0 [ 80.680348] ? loop_lookup+0x190/0x190 [ 80.684208] ? SyS_write+0x1b7/0x210 [ 80.687895] ? loop_lookup+0x190/0x190 [ 80.691753] do_vfs_ioctl+0x75a/0xff0 [ 80.695530] ? lock_acquire+0x170/0x3f0 [ 80.699593] ? ioctl_preallocate+0x1a0/0x1a0 [ 80.703975] ? __fget+0x265/0x3e0 [ 80.707408] ? do_vfs_ioctl+0xff0/0xff0 [ 80.711357] ? security_file_ioctl+0x83/0xb0 [ 80.715739] SyS_ioctl+0x7f/0xb0 [ 80.719099] ? do_vfs_ioctl+0xff0/0xff0 [ 80.723045] do_syscall_64+0x1d5/0x640 [ 80.726907] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 80.732069] RIP: 0033:0x7f23b7998ba9 [ 80.735752] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 80.743432] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 80.750680] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 executing program executing program [ 80.757926] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 80.765174] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 80.772422] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 80.853732] FAULT_INJECTION: forcing a failure. [ 80.853732] name failslab, interval 1, probability 0, space 0, times 0 [ 80.865701] CPU: 0 PID: 8332 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 80.873571] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 80.882900] Call Trace: [ 80.885475] dump_stack+0x1b2/0x281 [ 80.889079] should_fail.cold+0x10a/0x149 [ 80.893217] should_failslab+0xd6/0x130 [ 80.897166] kmem_cache_alloc+0x28e/0x3c0 [ 80.901289] __d_alloc+0x2a/0xa20 [ 80.904713] ? d_lookup+0x172/0x220 [ 80.908331] d_alloc+0x46/0x240 [ 80.911601] __lookup_hash+0x101/0x270 [ 80.915466] ? __inode_permission+0xcd/0x2f0 [ 80.919848] lookup_one_len+0x279/0x3a0 [ 80.923805] ? lookup_one_len_unlocked+0x410/0x410 [ 80.928710] start_creating+0xb0/0x200 [ 80.932572] debugfs_create_dir+0x1f/0x420 [ 80.936779] bdi_register_va.part.0+0x1ad/0x650 [ 80.941425] bdi_register+0x101/0x110 [ 80.945199] ? bdi_register_va+0x80/0x80 [ 80.949237] ? vsnprintf+0x260/0x1340 [ 80.953019] bdi_register_owner+0x59/0xf0 [ 80.957258] device_add_disk+0x5bb/0xdc0 [ 80.961306] ? sprintf+0xa7/0xd0 [ 80.964652] ? blk_alloc_devt+0x310/0x310 [ 80.968777] ? __lockdep_init_map+0x100/0x560 [ 80.973273] ? __lockdep_init_map+0x100/0x560 [ 80.977743] loop_add+0x615/0x830 [ 80.981178] ? loop_queue_rq+0x280/0x280 [ 80.985212] ? loop_queue_work+0x21e0/0x21e0 [ 80.989593] loop_control_ioctl+0x11a/0x3f0 [ 80.993887] ? loop_lookup+0x190/0x190 [ 80.997747] ? SyS_write+0x1b7/0x210 [ 81.001436] ? loop_lookup+0x190/0x190 [ 81.005298] do_vfs_ioctl+0x75a/0xff0 [ 81.009089] ? lock_acquire+0x170/0x3f0 [ 81.013048] ? ioctl_preallocate+0x1a0/0x1a0 [ 81.017438] ? __fget+0x265/0x3e0 [ 81.020882] ? do_vfs_ioctl+0xff0/0xff0 [ 81.024842] ? security_file_ioctl+0x83/0xb0 [ 81.029227] SyS_ioctl+0x7f/0xb0 [ 81.032582] ? do_vfs_ioctl+0xff0/0xff0 [ 81.036540] do_syscall_64+0x1d5/0x640 [ 81.040410] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 81.045579] RIP: 0033:0x7f23b7998ba9 executing program executing program [ 81.049264] RSP: 002b:00007f23b79292f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 81.056956] RAX: ffffffffffffffda RBX: 00007f23b7a214b8 RCX: 00007f23b7998ba9 [ 81.064204] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 81.071450] RBP: 00007f23b7a214b0 R08: 0000000000000002 R09: 0000000000003138 [ 81.078695] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b7929300 [ 81.085940] R13: 0000000000000002 R14: 00007f23b7929400 R15: 0000000000022000 [ 81.149582] FAULT_INJECTION: forcing a failure. [ 81.149582] name failslab, interval 1, probability 0, space 0, times 0 [ 81.161153] CPU: 1 PID: 8340 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 81.169028] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 81.178356] Call Trace: [ 81.180930] dump_stack+0x1b2/0x281 [ 81.184537] should_fail.cold+0x10a/0x149 [ 81.188660] should_failslab+0xd6/0x130 [ 81.192612] kmem_cache_alloc+0x28e/0x3c0 [ 81.196734] alloc_inode+0xa0/0x170 [ 81.200336] new_inode+0x1d/0xf0 [ 81.203675] debugfs_get_inode+0x1a/0x130 [ 81.207797] __debugfs_create_file+0x93/0x440 [ 81.212267] ? debugfs_create_file+0x37/0x60 [ 81.216655] bdi_register_va.part.0+0x1f4/0x650 [ 81.221310] bdi_register+0x101/0x110 [ 81.225366] ? bdi_register_va+0x80/0x80 [ 81.229498] ? vsnprintf+0x260/0x1340 [ 81.233276] bdi_register_owner+0x59/0xf0 [ 81.237408] device_add_disk+0x5bb/0xdc0 [ 81.241445] ? sprintf+0xa7/0xd0 [ 81.244784] ? blk_alloc_devt+0x310/0x310 [ 81.248916] ? __lockdep_init_map+0x100/0x560 [ 81.253391] ? __lockdep_init_map+0x100/0x560 [ 81.257867] loop_add+0x615/0x830 [ 81.261296] ? loop_queue_rq+0x280/0x280 [ 81.265326] ? loop_queue_work+0x21e0/0x21e0 [ 81.269718] loop_control_ioctl+0x11a/0x3f0 [ 81.274048] ? loop_lookup+0x190/0x190 [ 81.277919] ? SyS_write+0x1b7/0x210 [ 81.281607] ? loop_lookup+0x190/0x190 [ 81.285503] do_vfs_ioctl+0x75a/0xff0 [ 81.289454] ? lock_acquire+0x170/0x3f0 [ 81.293399] ? ioctl_preallocate+0x1a0/0x1a0 [ 81.297783] ? __fget+0x265/0x3e0 [ 81.301208] ? do_vfs_ioctl+0xff0/0xff0 [ 81.305157] ? security_file_ioctl+0x83/0xb0 [ 81.309542] SyS_ioctl+0x7f/0xb0 [ 81.312886] ? do_vfs_ioctl+0xff0/0xff0 [ 81.316835] do_syscall_64+0x1d5/0x640 [ 81.320701] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 81.325867] RIP: 0033:0x7f23b7998ba9 [ 81.329549] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 81.337231] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 executing program [ 81.344473] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 81.351714] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 81.358957] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 81.366204] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 81.419456] FAULT_INJECTION: forcing a failure. [ 81.419456] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 81.431267] CPU: 0 PID: 8349 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 81.439322] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 81.448667] Call Trace: [ 81.451237] dump_stack+0x1b2/0x281 [ 81.454932] should_fail.cold+0x10a/0x149 [ 81.459060] __alloc_pages_nodemask+0x21e/0x2900 [ 81.463804] ? trace_hardirqs_on+0x10/0x10 [ 81.468016] ? lock_acquire+0x170/0x3f0 [ 81.471985] ? __lock_acquire+0x5fc/0x3f20 [ 81.476213] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 81.481045] ? lock_acquire+0x170/0x3f0 [ 81.485010] ? lock_downgrade+0x740/0x740 [ 81.489145] ? do_raw_spin_unlock+0x164/0x220 [ 81.493620] cache_grow_begin+0x91/0x700 [ 81.497664] ? fs_reclaim_release+0xd0/0x110 [ 81.502052] ? check_preemption_disabled+0x35/0x240 [ 81.507058] cache_alloc_refill+0x273/0x350 [ 81.511741] kmem_cache_alloc+0x333/0x3c0 [ 81.515877] alloc_inode+0xa0/0x170 [ 81.519623] new_inode+0x1d/0xf0 [ 81.522969] debugfs_get_inode+0x1a/0x130 [ 81.527097] debugfs_create_dir+0x63/0x420 [ 81.531320] bdi_register_va.part.0+0x1ad/0x650 [ 81.535991] bdi_register+0x101/0x110 [ 81.539784] ? bdi_register_va+0x80/0x80 [ 81.543822] ? vsnprintf+0x260/0x1340 [ 81.547670] bdi_register_owner+0x59/0xf0 [ 81.551803] device_add_disk+0x5bb/0xdc0 [ 81.555843] ? sprintf+0xa7/0xd0 [ 81.559185] ? blk_alloc_devt+0x310/0x310 [ 81.563311] ? __lockdep_init_map+0x100/0x560 [ 81.567787] ? __lockdep_init_map+0x100/0x560 [ 81.572259] loop_add+0x615/0x830 [ 81.575773] ? loop_queue_rq+0x280/0x280 [ 81.579808] ? loop_queue_work+0x21e0/0x21e0 [ 81.584191] loop_control_ioctl+0x11a/0x3f0 [ 81.588486] ? loop_lookup+0x190/0x190 [ 81.592347] ? SyS_write+0x1b7/0x210 [ 81.596039] ? loop_lookup+0x190/0x190 [ 81.599904] do_vfs_ioctl+0x75a/0xff0 [ 81.603678] ? lock_acquire+0x170/0x3f0 [ 81.607630] ? ioctl_preallocate+0x1a0/0x1a0 [ 81.612031] ? __fget+0x265/0x3e0 [ 81.615462] ? do_vfs_ioctl+0xff0/0xff0 [ 81.619408] ? security_file_ioctl+0x83/0xb0 [ 81.623793] SyS_ioctl+0x7f/0xb0 [ 81.627134] ? do_vfs_ioctl+0xff0/0xff0 [ 81.631086] do_syscall_64+0x1d5/0x640 [ 81.634954] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 81.640125] RIP: 0033:0x7f23b7998ba9 [ 81.643809] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 81.651491] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 81.658736] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 executing program [ 81.665982] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 81.673227] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 81.680479] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 81.752824] FAULT_INJECTION: forcing a failure. [ 81.752824] name failslab, interval 1, probability 0, space 0, times 0 [ 81.764404] CPU: 1 PID: 8358 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 81.772356] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 81.781688] Call Trace: [ 81.784260] dump_stack+0x1b2/0x281 [ 81.787867] should_fail.cold+0x10a/0x149 [ 81.791992] should_failslab+0xd6/0x130 [ 81.795941] kmem_cache_alloc_trace+0x29a/0x3d0 [ 81.800586] ? kobj_ns_drop+0x80/0x80 [ 81.804363] call_usermodehelper_setup+0x73/0x2e0 [ 81.809189] kobject_uevent_env+0xc21/0xf30 [ 81.813491] device_add+0xa47/0x15c0 [ 81.817183] ? device_is_dependent+0x2a0/0x2a0 [ 81.821737] ? kfree+0x1f0/0x250 [ 81.825090] device_create_groups_vargs+0x1dc/0x250 [ 81.830089] device_create_vargs+0x3a/0x50 [ 81.834303] bdi_register_va.part.0+0x35/0x650 [ 81.838864] bdi_register+0x101/0x110 [ 81.842636] ? bdi_register_va+0x80/0x80 [ 81.846672] ? vsnprintf+0x260/0x1340 [ 81.850448] bdi_register_owner+0x59/0xf0 [ 81.854570] device_add_disk+0x5bb/0xdc0 [ 81.858605] ? sprintf+0xa7/0xd0 [ 81.861944] ? blk_alloc_devt+0x310/0x310 [ 81.866070] ? __lockdep_init_map+0x100/0x560 [ 81.870539] ? __lockdep_init_map+0x100/0x560 [ 81.875010] loop_add+0x615/0x830 [ 81.878437] ? loop_queue_rq+0x280/0x280 [ 81.882468] ? loop_queue_work+0x21e0/0x21e0 [ 81.886851] loop_control_ioctl+0x11a/0x3f0 [ 81.891162] ? loop_lookup+0x190/0x190 [ 81.895023] ? SyS_write+0x1b7/0x210 [ 81.898725] ? loop_lookup+0x190/0x190 [ 81.902585] do_vfs_ioctl+0x75a/0xff0 [ 81.906358] ? lock_acquire+0x170/0x3f0 [ 81.910305] ? ioctl_preallocate+0x1a0/0x1a0 [ 81.914690] ? __fget+0x265/0x3e0 [ 81.918240] ? do_vfs_ioctl+0xff0/0xff0 [ 81.922188] ? security_file_ioctl+0x83/0xb0 [ 81.926571] SyS_ioctl+0x7f/0xb0 [ 81.929911] ? do_vfs_ioctl+0xff0/0xff0 [ 81.933858] do_syscall_64+0x1d5/0x640 [ 81.937723] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 81.942890] RIP: 0033:0x7f23b7998ba9 executing program executing program [ 81.946579] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 81.954271] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 81.961526] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 81.968858] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 81.976104] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 81.983348] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 82.051341] FAULT_INJECTION: forcing a failure. [ 82.051341] name failslab, interval 1, probability 0, space 0, times 0 [ 82.062954] CPU: 0 PID: 8367 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 82.070832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 82.080168] Call Trace: [ 82.082741] dump_stack+0x1b2/0x281 [ 82.086348] should_fail.cold+0x10a/0x149 [ 82.090474] should_failslab+0xd6/0x130 [ 82.094427] kmem_cache_alloc+0x28e/0x3c0 [ 82.098555] alloc_inode+0xa0/0x170 [ 82.102161] new_inode+0x1d/0xf0 [ 82.105505] debugfs_get_inode+0x1a/0x130 [ 82.109627] __debugfs_create_file+0x93/0x440 [ 82.114110] ? debugfs_create_file+0x37/0x60 [ 82.118492] bdi_register_va.part.0+0x1f4/0x650 [ 82.123135] bdi_register+0x101/0x110 [ 82.126921] ? bdi_register_va+0x80/0x80 [ 82.130969] ? vsnprintf+0x260/0x1340 [ 82.134746] bdi_register_owner+0x59/0xf0 [ 82.138877] device_add_disk+0x5bb/0xdc0 [ 82.142924] ? sprintf+0xa7/0xd0 [ 82.146262] ? blk_alloc_devt+0x310/0x310 [ 82.150385] ? __lockdep_init_map+0x100/0x560 [ 82.154851] ? __lockdep_init_map+0x100/0x560 [ 82.159321] loop_add+0x615/0x830 [ 82.162750] ? loop_queue_rq+0x280/0x280 [ 82.166784] ? loop_queue_work+0x21e0/0x21e0 [ 82.171168] loop_control_ioctl+0x11a/0x3f0 [ 82.175461] ? loop_lookup+0x190/0x190 [ 82.179319] ? SyS_write+0x1b7/0x210 [ 82.183006] ? loop_lookup+0x190/0x190 [ 82.186866] do_vfs_ioctl+0x75a/0xff0 [ 82.190641] ? lock_acquire+0x170/0x3f0 [ 82.194591] ? ioctl_preallocate+0x1a0/0x1a0 [ 82.198997] ? __fget+0x265/0x3e0 [ 82.202425] ? do_vfs_ioctl+0xff0/0xff0 [ 82.206373] ? security_file_ioctl+0x83/0xb0 [ 82.210756] SyS_ioctl+0x7f/0xb0 [ 82.214099] ? do_vfs_ioctl+0xff0/0xff0 [ 82.218049] do_syscall_64+0x1d5/0x640 [ 82.221915] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 82.227081] RIP: 0033:0x7f23b7998ba9 [ 82.230896] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 82.238612] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 executing program [ 82.245901] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 82.253146] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 82.260393] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 82.267636] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 82.319414] FAULT_INJECTION: forcing a failure. [ 82.319414] name failslab, interval 1, probability 0, space 0, times 0 [ 82.332216] CPU: 0 PID: 8377 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 82.340115] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 82.349451] Call Trace: [ 82.352021] dump_stack+0x1b2/0x281 [ 82.355623] should_fail.cold+0x10a/0x149 [ 82.359751] should_failslab+0xd6/0x130 [ 82.363708] __kmalloc+0x2c1/0x400 [ 82.367224] ? kobj_map+0x7c/0x3d0 [ 82.370752] kobj_map+0x7c/0x3d0 [ 82.374110] ? blkdev_ioctl+0x1830/0x1830 [ 82.378240] ? disk_release+0x2f0/0x2f0 [ 82.382197] ? kobject_get+0x5e/0x70 [ 82.385890] device_add_disk+0x628/0xdc0 [ 82.389929] ? sprintf+0xa7/0xd0 [ 82.393268] ? blk_alloc_devt+0x310/0x310 [ 82.397412] ? __lockdep_init_map+0x100/0x560 [ 82.401883] ? __lockdep_init_map+0x100/0x560 [ 82.406365] loop_add+0x615/0x830 [ 82.409814] ? loop_queue_rq+0x280/0x280 [ 82.413855] ? loop_queue_work+0x21e0/0x21e0 [ 82.418241] loop_control_ioctl+0x11a/0x3f0 [ 82.422540] ? loop_lookup+0x190/0x190 [ 82.426403] ? SyS_write+0x1b7/0x210 [ 82.430096] ? loop_lookup+0x190/0x190 [ 82.433958] do_vfs_ioctl+0x75a/0xff0 [ 82.437739] ? lock_acquire+0x170/0x3f0 [ 82.441707] ? ioctl_preallocate+0x1a0/0x1a0 [ 82.446101] ? __fget+0x265/0x3e0 [ 82.449531] ? do_vfs_ioctl+0xff0/0xff0 [ 82.453482] ? security_file_ioctl+0x83/0xb0 [ 82.457863] SyS_ioctl+0x7f/0xb0 [ 82.461217] ? do_vfs_ioctl+0xff0/0xff0 [ 82.465187] do_syscall_64+0x1d5/0x640 [ 82.469057] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 82.474223] RIP: 0033:0x7f23b7998ba9 [ 82.477911] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 82.485592] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 82.492835] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 82.500098] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 82.507342] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 executing program executing program [ 82.514586] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 82.601748] FAULT_INJECTION: forcing a failure. [ 82.601748] name failslab, interval 1, probability 0, space 0, times 0 [ 82.614400] CPU: 0 PID: 8389 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 82.622279] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 82.631613] Call Trace: [ 82.634179] dump_stack+0x1b2/0x281 [ 82.637783] should_fail.cold+0x10a/0x149 [ 82.641907] should_failslab+0xd6/0x130 [ 82.645873] kmem_cache_alloc+0x28e/0x3c0 [ 82.650020] __d_alloc+0x2a/0xa20 [ 82.653459] ? d_lookup+0x172/0x220 [ 82.657064] d_alloc+0x46/0x240 [ 82.660322] __lookup_hash+0x101/0x270 [ 82.664186] ? __inode_permission+0xcd/0x2f0 [ 82.668570] lookup_one_len+0x279/0x3a0 [ 82.672522] ? lookup_one_len_unlocked+0x410/0x410 [ 82.677426] start_creating+0xb0/0x200 [ 82.681296] __debugfs_create_file+0x4f/0x440 [ 82.685773] ? debugfs_create_file+0x37/0x60 [ 82.690172] bdi_register_va.part.0+0x1f4/0x650 [ 82.694829] bdi_register+0x101/0x110 [ 82.698612] ? bdi_register_va+0x80/0x80 [ 82.702750] ? vsnprintf+0x260/0x1340 [ 82.706532] bdi_register_owner+0x59/0xf0 [ 82.710657] device_add_disk+0x5bb/0xdc0 [ 82.714705] ? sprintf+0xa7/0xd0 [ 82.718051] ? blk_alloc_devt+0x310/0x310 [ 82.722181] ? __lockdep_init_map+0x100/0x560 [ 82.726650] ? __lockdep_init_map+0x100/0x560 [ 82.731121] loop_add+0x615/0x830 [ 82.734547] ? loop_queue_rq+0x280/0x280 [ 82.738579] ? loop_queue_work+0x21e0/0x21e0 [ 82.742962] loop_control_ioctl+0x11a/0x3f0 [ 82.747265] ? loop_lookup+0x190/0x190 [ 82.751126] ? SyS_write+0x1b7/0x210 [ 82.754818] ? loop_lookup+0x190/0x190 [ 82.758678] do_vfs_ioctl+0x75a/0xff0 [ 82.762452] ? lock_acquire+0x170/0x3f0 [ 82.766404] ? ioctl_preallocate+0x1a0/0x1a0 [ 82.770785] ? __fget+0x265/0x3e0 [ 82.774212] ? do_vfs_ioctl+0xff0/0xff0 [ 82.778168] ? security_file_ioctl+0x83/0xb0 [ 82.782547] SyS_ioctl+0x7f/0xb0 [ 82.785885] ? do_vfs_ioctl+0xff0/0xff0 [ 82.789836] do_syscall_64+0x1d5/0x640 [ 82.793708] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 82.798868] RIP: 0033:0x7f23b7998ba9 executing program executing program [ 82.802552] RSP: 002b:00007f23b79292f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 82.810388] RAX: ffffffffffffffda RBX: 00007f23b7a214b8 RCX: 00007f23b7998ba9 [ 82.817637] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 82.824892] RBP: 00007f23b7a214b0 R08: 0000000000000002 R09: 0000000000003138 [ 82.832145] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b7929300 [ 82.839405] R13: 0000000000000002 R14: 00007f23b7929400 R15: 0000000000022000 [ 82.904605] FAULT_INJECTION: forcing a failure. [ 82.904605] name failslab, interval 1, probability 0, space 0, times 0 [ 82.916763] CPU: 0 PID: 8400 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 82.924652] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 82.933984] Call Trace: [ 82.936551] dump_stack+0x1b2/0x281 [ 82.940161] should_fail.cold+0x10a/0x149 [ 82.944285] should_failslab+0xd6/0x130 [ 82.948236] kmem_cache_alloc+0x28e/0x3c0 [ 82.952366] alloc_inode+0xa0/0x170 [ 82.955996] new_inode+0x1d/0xf0 [ 82.959351] debugfs_get_inode+0x1a/0x130 [ 82.963486] debugfs_create_dir+0x63/0x420 [ 82.967704] bdi_register_va.part.0+0x1ad/0x650 [ 82.972365] bdi_register+0x101/0x110 [ 82.976148] ? bdi_register_va+0x80/0x80 [ 82.980183] ? vsnprintf+0x260/0x1340 [ 82.983959] bdi_register_owner+0x59/0xf0 [ 82.988090] device_add_disk+0x5bb/0xdc0 [ 82.992125] ? sprintf+0xa7/0xd0 [ 82.995461] ? blk_alloc_devt+0x310/0x310 [ 82.999585] ? __lockdep_init_map+0x100/0x560 [ 83.004054] ? __lockdep_init_map+0x100/0x560 [ 83.008528] loop_add+0x615/0x830 [ 83.011955] ? loop_queue_rq+0x280/0x280 [ 83.015992] ? loop_queue_work+0x21e0/0x21e0 [ 83.020551] loop_control_ioctl+0x11a/0x3f0 [ 83.024846] ? loop_lookup+0x190/0x190 [ 83.028706] ? SyS_write+0x1b7/0x210 [ 83.032397] ? loop_lookup+0x190/0x190 [ 83.036257] do_vfs_ioctl+0x75a/0xff0 [ 83.040038] ? lock_acquire+0x170/0x3f0 [ 83.043985] ? ioctl_preallocate+0x1a0/0x1a0 [ 83.048368] ? __fget+0x265/0x3e0 [ 83.051799] ? do_vfs_ioctl+0xff0/0xff0 [ 83.055757] ? security_file_ioctl+0x83/0xb0 [ 83.060138] SyS_ioctl+0x7f/0xb0 [ 83.063476] ? do_vfs_ioctl+0xff0/0xff0 [ 83.067424] do_syscall_64+0x1d5/0x640 [ 83.071285] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 83.076449] RIP: 0033:0x7f23b7998ba9 [ 83.080131] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 83.087819] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 83.095071] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 executing program executing program [ 83.102329] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 83.109582] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 83.116833] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 83.190571] FAULT_INJECTION: forcing a failure. [ 83.190571] name failslab, interval 1, probability 0, space 0, times 0 [ 83.201867] CPU: 1 PID: 8412 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 83.209738] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 83.219182] Call Trace: [ 83.221754] dump_stack+0x1b2/0x281 [ 83.225364] should_fail.cold+0x10a/0x149 [ 83.229502] should_failslab+0xd6/0x130 [ 83.233461] kmem_cache_alloc+0x28e/0x3c0 [ 83.237598] __d_alloc+0x2a/0xa20 [ 83.241030] ? d_lookup+0x172/0x220 [ 83.244633] d_alloc+0x46/0x240 [ 83.247899] __lookup_hash+0x101/0x270 [ 83.251763] ? __inode_permission+0xcd/0x2f0 [ 83.256160] lookup_one_len+0x279/0x3a0 [ 83.260124] ? lookup_one_len_unlocked+0x410/0x410 [ 83.265049] start_creating+0xb0/0x200 [ 83.268933] __debugfs_create_file+0x4f/0x440 [ 83.273410] ? debugfs_create_file+0x37/0x60 [ 83.277797] bdi_register_va.part.0+0x1f4/0x650 [ 83.282446] bdi_register+0x101/0x110 [ 83.286228] ? bdi_register_va+0x80/0x80 [ 83.290277] ? vsnprintf+0x260/0x1340 [ 83.294056] bdi_register_owner+0x59/0xf0 [ 83.298181] device_add_disk+0x5bb/0xdc0 [ 83.302216] ? sprintf+0xa7/0xd0 [ 83.305556] ? blk_alloc_devt+0x310/0x310 [ 83.309683] ? __lockdep_init_map+0x100/0x560 [ 83.314323] ? __lockdep_init_map+0x100/0x560 [ 83.318798] loop_add+0x615/0x830 [ 83.322231] ? loop_queue_rq+0x280/0x280 [ 83.326291] ? loop_queue_work+0x21e0/0x21e0 [ 83.330677] loop_control_ioctl+0x11a/0x3f0 [ 83.334973] ? loop_lookup+0x190/0x190 [ 83.338834] ? SyS_write+0x1b7/0x210 [ 83.342520] ? loop_lookup+0x190/0x190 [ 83.346380] do_vfs_ioctl+0x75a/0xff0 [ 83.350169] ? lock_acquire+0x170/0x3f0 [ 83.354191] ? ioctl_preallocate+0x1a0/0x1a0 [ 83.358600] ? __fget+0x265/0x3e0 [ 83.362033] ? do_vfs_ioctl+0xff0/0xff0 [ 83.365987] ? security_file_ioctl+0x83/0xb0 [ 83.370370] SyS_ioctl+0x7f/0xb0 [ 83.373719] ? do_vfs_ioctl+0xff0/0xff0 [ 83.377676] do_syscall_64+0x1d5/0x640 [ 83.381544] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 83.386708] RIP: 0033:0x7f23b7998ba9 executing program executing program [ 83.390390] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 83.398072] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 83.405317] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 83.412830] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 83.420078] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 83.427325] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 83.508734] FAULT_INJECTION: forcing a failure. [ 83.508734] name failslab, interval 1, probability 0, space 0, times 0 [ 83.520144] CPU: 1 PID: 8423 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 83.528014] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 83.537517] Call Trace: [ 83.540083] dump_stack+0x1b2/0x281 [ 83.543690] should_fail.cold+0x10a/0x149 [ 83.547822] should_failslab+0xd6/0x130 [ 83.551773] kmem_cache_alloc+0x28e/0x3c0 [ 83.555897] __d_alloc+0x2a/0xa20 [ 83.559322] ? d_lookup+0x172/0x220 [ 83.562923] d_alloc+0x46/0x240 [ 83.566179] __lookup_hash+0x101/0x270 [ 83.570050] ? __inode_permission+0xcd/0x2f0 [ 83.574444] lookup_one_len+0x279/0x3a0 [ 83.578395] ? lookup_one_len_unlocked+0x410/0x410 [ 83.583302] start_creating+0xb0/0x200 [ 83.587161] debugfs_create_dir+0x1f/0x420 [ 83.591369] bdi_register_va.part.0+0x1ad/0x650 [ 83.596013] bdi_register+0x101/0x110 [ 83.599786] ? bdi_register_va+0x80/0x80 [ 83.603829] ? vsnprintf+0x260/0x1340 [ 83.607612] bdi_register_owner+0x59/0xf0 [ 83.611735] device_add_disk+0x5bb/0xdc0 [ 83.615774] ? sprintf+0xa7/0xd0 [ 83.619122] ? blk_alloc_devt+0x310/0x310 [ 83.623242] ? __lockdep_init_map+0x100/0x560 [ 83.627712] ? __lockdep_init_map+0x100/0x560 [ 83.632180] loop_add+0x615/0x830 [ 83.635606] ? loop_queue_rq+0x280/0x280 [ 83.639639] ? loop_queue_work+0x21e0/0x21e0 [ 83.644019] loop_control_ioctl+0x11a/0x3f0 [ 83.648314] ? loop_lookup+0x190/0x190 [ 83.652173] ? SyS_write+0x1b7/0x210 [ 83.655862] ? loop_lookup+0x190/0x190 [ 83.659724] do_vfs_ioctl+0x75a/0xff0 [ 83.663498] ? lock_acquire+0x170/0x3f0 [ 83.667445] ? ioctl_preallocate+0x1a0/0x1a0 [ 83.671827] ? __fget+0x265/0x3e0 [ 83.675272] ? do_vfs_ioctl+0xff0/0xff0 [ 83.679234] ? security_file_ioctl+0x83/0xb0 [ 83.683617] SyS_ioctl+0x7f/0xb0 [ 83.686960] ? do_vfs_ioctl+0xff0/0xff0 [ 83.690911] do_syscall_64+0x1d5/0x640 [ 83.694786] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 83.699954] RIP: 0033:0x7f23b7998ba9 executing program [ 83.703642] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 83.711323] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 83.718566] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 83.725810] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 83.733053] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 83.740300] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 83.819158] FAULT_INJECTION: forcing a failure. [ 83.819158] name failslab, interval 1, probability 0, space 0, times 0 [ 83.830464] CPU: 1 PID: 8433 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 83.838332] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 83.847662] Call Trace: [ 83.850229] dump_stack+0x1b2/0x281 [ 83.853831] should_fail.cold+0x10a/0x149 [ 83.857956] should_failslab+0xd6/0x130 [ 83.861906] kmem_cache_alloc+0x28e/0x3c0 [ 83.866029] __d_alloc+0x2a/0xa20 [ 83.869454] ? d_lookup+0x172/0x220 [ 83.873063] d_alloc+0x46/0x240 [ 83.876330] __lookup_hash+0x101/0x270 [ 83.880196] ? __inode_permission+0xcd/0x2f0 [ 83.884576] lookup_one_len+0x279/0x3a0 [ 83.888525] ? lookup_one_len_unlocked+0x410/0x410 [ 83.893439] start_creating+0xb0/0x200 [ 83.897301] debugfs_create_dir+0x1f/0x420 [ 83.901513] bdi_register_va.part.0+0x1ad/0x650 [ 83.906157] bdi_register+0x101/0x110 [ 83.910191] ? bdi_register_va+0x80/0x80 [ 83.914246] ? vsnprintf+0x260/0x1340 [ 83.918022] bdi_register_owner+0x59/0xf0 [ 83.922145] device_add_disk+0x5bb/0xdc0 [ 83.926179] ? sprintf+0xa7/0xd0 [ 83.929518] ? blk_alloc_devt+0x310/0x310 [ 83.933647] ? __lockdep_init_map+0x100/0x560 [ 83.938133] ? __lockdep_init_map+0x100/0x560 [ 83.942609] loop_add+0x615/0x830 [ 83.946040] ? loop_queue_rq+0x280/0x280 [ 83.950078] ? loop_queue_work+0x21e0/0x21e0 [ 83.954460] loop_control_ioctl+0x11a/0x3f0 [ 83.958754] ? loop_lookup+0x190/0x190 [ 83.962613] ? SyS_write+0x1b7/0x210 [ 83.966302] ? loop_lookup+0x190/0x190 [ 83.970160] do_vfs_ioctl+0x75a/0xff0 [ 83.973934] ? lock_acquire+0x170/0x3f0 [ 83.977884] ? ioctl_preallocate+0x1a0/0x1a0 [ 83.982268] ? __fget+0x265/0x3e0 [ 83.985700] ? do_vfs_ioctl+0xff0/0xff0 [ 83.989649] ? security_file_ioctl+0x83/0xb0 [ 83.994037] SyS_ioctl+0x7f/0xb0 [ 83.997383] ? do_vfs_ioctl+0xff0/0xff0 [ 84.001330] do_syscall_64+0x1d5/0x640 [ 84.005273] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 84.010437] RIP: 0033:0x7f23b7998ba9 executing program [ 84.014130] RSP: 002b:00007f23b79292f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 84.021809] RAX: ffffffffffffffda RBX: 00007f23b7a214b8 RCX: 00007f23b7998ba9 [ 84.029053] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 84.036303] RBP: 00007f23b7a214b0 R08: 0000000000000002 R09: 0000000000003138 [ 84.043546] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b7929300 [ 84.050788] R13: 0000000000000002 R14: 00007f23b7929400 R15: 0000000000022000 [ 84.119088] FAULT_INJECTION: forcing a failure. [ 84.119088] name failslab, interval 1, probability 0, space 0, times 0 [ 84.130477] CPU: 1 PID: 8442 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 84.138348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 84.147679] Call Trace: [ 84.150251] dump_stack+0x1b2/0x281 [ 84.153866] should_fail.cold+0x10a/0x149 [ 84.157991] should_failslab+0xd6/0x130 [ 84.161949] kmem_cache_alloc+0x28e/0x3c0 [ 84.166071] alloc_inode+0xa0/0x170 [ 84.169672] new_inode+0x1d/0xf0 [ 84.173016] debugfs_get_inode+0x1a/0x130 [ 84.177139] __debugfs_create_file+0x93/0x440 [ 84.181620] ? debugfs_create_file+0x37/0x60 [ 84.186006] bdi_register_va.part.0+0x1f4/0x650 [ 84.190664] bdi_register+0x101/0x110 [ 84.194465] ? bdi_register_va+0x80/0x80 [ 84.198506] ? vsnprintf+0x260/0x1340 [ 84.202285] bdi_register_owner+0x59/0xf0 [ 84.206408] device_add_disk+0x5bb/0xdc0 [ 84.210449] ? sprintf+0xa7/0xd0 [ 84.213789] ? blk_alloc_devt+0x310/0x310 [ 84.217922] ? __lockdep_init_map+0x100/0x560 [ 84.222398] ? __lockdep_init_map+0x100/0x560 [ 84.226869] loop_add+0x615/0x830 [ 84.230298] ? loop_queue_rq+0x280/0x280 [ 84.234332] ? loop_queue_work+0x21e0/0x21e0 [ 84.238715] loop_control_ioctl+0x11a/0x3f0 [ 84.243013] ? loop_lookup+0x190/0x190 [ 84.246875] ? SyS_write+0x1b7/0x210 [ 84.250563] ? loop_lookup+0x190/0x190 [ 84.254424] do_vfs_ioctl+0x75a/0xff0 [ 84.258202] ? lock_acquire+0x170/0x3f0 [ 84.262152] ? ioctl_preallocate+0x1a0/0x1a0 [ 84.266536] ? __fget+0x265/0x3e0 [ 84.269965] ? do_vfs_ioctl+0xff0/0xff0 [ 84.273916] ? security_file_ioctl+0x83/0xb0 [ 84.278301] SyS_ioctl+0x7f/0xb0 [ 84.281642] ? do_vfs_ioctl+0xff0/0xff0 [ 84.285591] do_syscall_64+0x1d5/0x640 [ 84.289473] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 84.294640] RIP: 0033:0x7f23b7998ba9 [ 84.298330] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 84.306010] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 executing program [ 84.313688] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 84.320932] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 84.328265] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 84.335510] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 84.389088] FAULT_INJECTION: forcing a failure. [ 84.389088] name failslab, interval 1, probability 0, space 0, times 0 [ 84.400778] CPU: 0 PID: 8451 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 84.408654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 84.418244] Call Trace: [ 84.420896] dump_stack+0x1b2/0x281 [ 84.424498] should_fail.cold+0x10a/0x149 [ 84.428624] should_failslab+0xd6/0x130 [ 84.432575] kmem_cache_alloc+0x28e/0x3c0 [ 84.436699] alloc_inode+0xa0/0x170 [ 84.440300] new_inode+0x1d/0xf0 [ 84.443640] debugfs_get_inode+0x1a/0x130 [ 84.447761] __debugfs_create_file+0x93/0x440 [ 84.452229] ? debugfs_create_file+0x37/0x60 [ 84.456617] bdi_register_va.part.0+0x1f4/0x650 [ 84.461264] bdi_register+0x101/0x110 [ 84.465037] ? bdi_register_va+0x80/0x80 [ 84.469072] ? vsnprintf+0x260/0x1340 [ 84.472847] bdi_register_owner+0x59/0xf0 [ 84.476966] device_add_disk+0x5bb/0xdc0 [ 84.481005] ? sprintf+0xa7/0xd0 [ 84.484347] ? blk_alloc_devt+0x310/0x310 [ 84.488475] ? __lockdep_init_map+0x100/0x560 [ 84.492945] ? __lockdep_init_map+0x100/0x560 [ 84.497416] loop_add+0x615/0x830 [ 84.500845] ? loop_queue_rq+0x280/0x280 [ 84.504889] ? loop_queue_work+0x21e0/0x21e0 [ 84.509269] loop_control_ioctl+0x11a/0x3f0 [ 84.513563] ? loop_lookup+0x190/0x190 [ 84.517425] ? SyS_write+0x1b7/0x210 [ 84.521200] ? loop_lookup+0x190/0x190 [ 84.525058] do_vfs_ioctl+0x75a/0xff0 [ 84.528832] ? lock_acquire+0x170/0x3f0 [ 84.532779] ? ioctl_preallocate+0x1a0/0x1a0 [ 84.537176] ? __fget+0x265/0x3e0 [ 84.540601] ? do_vfs_ioctl+0xff0/0xff0 [ 84.544552] ? security_file_ioctl+0x83/0xb0 [ 84.548934] SyS_ioctl+0x7f/0xb0 [ 84.552274] ? do_vfs_ioctl+0xff0/0xff0 [ 84.556224] do_syscall_64+0x1d5/0x640 [ 84.560088] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 84.565249] RIP: 0033:0x7f23b7998ba9 [ 84.568954] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 84.576636] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 executing program [ 84.583878] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 84.591465] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 84.598708] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 84.605975] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 84.668829] FAULT_INJECTION: forcing a failure. [ 84.668829] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 84.680642] CPU: 1 PID: 8460 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 84.688511] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 84.697931] Call Trace: [ 84.700496] dump_stack+0x1b2/0x281 [ 84.704246] should_fail.cold+0x10a/0x149 [ 84.708384] __alloc_pages_nodemask+0x21e/0x2900 [ 84.713123] ? trace_hardirqs_on+0x10/0x10 [ 84.717339] ? __lock_acquire+0x5fc/0x3f20 [ 84.721552] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 84.726375] ? lock_acquire+0x170/0x3f0 [ 84.730334] ? lock_downgrade+0x740/0x740 [ 84.734499] ? do_raw_spin_unlock+0x164/0x220 [ 84.738985] cache_grow_begin+0x91/0x700 [ 84.743022] ? fs_reclaim_release+0xd0/0x110 [ 84.747406] ? check_preemption_disabled+0x35/0x240 [ 84.752397] cache_alloc_refill+0x273/0x350 [ 84.756733] kmem_cache_alloc+0x333/0x3c0 [ 84.760859] alloc_inode+0xa0/0x170 [ 84.764467] new_inode+0x1d/0xf0 [ 84.767839] debugfs_get_inode+0x1a/0x130 [ 84.771971] __debugfs_create_file+0x93/0x440 [ 84.776443] ? debugfs_create_file+0x37/0x60 [ 84.780842] bdi_register_va.part.0+0x1f4/0x650 [ 84.785587] bdi_register+0x101/0x110 [ 84.789369] ? bdi_register_va+0x80/0x80 [ 84.793411] ? vsnprintf+0x260/0x1340 [ 84.797189] bdi_register_owner+0x59/0xf0 [ 84.801316] device_add_disk+0x5bb/0xdc0 [ 84.805355] ? sprintf+0xa7/0xd0 [ 84.808695] ? blk_alloc_devt+0x310/0x310 [ 84.812817] ? __lockdep_init_map+0x100/0x560 [ 84.817292] ? __lockdep_init_map+0x100/0x560 [ 84.821769] loop_add+0x615/0x830 [ 84.825195] ? loop_queue_rq+0x280/0x280 [ 84.829229] ? loop_queue_work+0x21e0/0x21e0 [ 84.833618] loop_control_ioctl+0x11a/0x3f0 [ 84.837928] ? loop_lookup+0x190/0x190 [ 84.841789] ? SyS_write+0x1b7/0x210 [ 84.845478] ? loop_lookup+0x190/0x190 [ 84.849358] do_vfs_ioctl+0x75a/0xff0 [ 84.853136] ? lock_acquire+0x170/0x3f0 [ 84.857093] ? ioctl_preallocate+0x1a0/0x1a0 [ 84.861478] ? __fget+0x265/0x3e0 [ 84.864911] ? do_vfs_ioctl+0xff0/0xff0 [ 84.868872] ? security_file_ioctl+0x83/0xb0 [ 84.873254] SyS_ioctl+0x7f/0xb0 [ 84.876593] ? do_vfs_ioctl+0xff0/0xff0 [ 84.880544] do_syscall_64+0x1d5/0x640 [ 84.884407] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 84.889568] RIP: 0033:0x7f23b7998ba9 [ 84.893267] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 84.900956] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 84.908212] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 executing program [ 84.915548] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 84.922797] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 84.930053] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 85.001102] FAULT_INJECTION: forcing a failure. [ 85.001102] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 85.013006] CPU: 1 PID: 8469 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 85.020877] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 85.030207] Call Trace: [ 85.032774] dump_stack+0x1b2/0x281 [ 85.036379] should_fail.cold+0x10a/0x149 [ 85.040503] __alloc_pages_nodemask+0x21e/0x2900 [ 85.045237] ? trace_hardirqs_on+0x10/0x10 [ 85.049452] ? lock_acquire+0x170/0x3f0 [ 85.053402] ? __lock_acquire+0x5fc/0x3f20 [ 85.057613] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 85.062435] ? lock_acquire+0x170/0x3f0 [ 85.066384] ? lock_downgrade+0x740/0x740 [ 85.070508] ? do_raw_spin_unlock+0x164/0x220 [ 85.074980] cache_grow_begin+0x91/0x700 [ 85.079014] ? fs_reclaim_release+0xd0/0x110 [ 85.083399] ? check_preemption_disabled+0x35/0x240 [ 85.088408] cache_alloc_refill+0x273/0x350 [ 85.092731] kmem_cache_alloc+0x333/0x3c0 [ 85.098171] alloc_inode+0xa0/0x170 [ 85.101778] new_inode+0x1d/0xf0 [ 85.105121] debugfs_get_inode+0x1a/0x130 [ 85.109677] debugfs_create_dir+0x63/0x420 [ 85.113899] bdi_register_va.part.0+0x1ad/0x650 [ 85.118552] bdi_register+0x101/0x110 [ 85.122330] ? bdi_register_va+0x80/0x80 [ 85.126371] ? vsnprintf+0x260/0x1340 [ 85.130148] bdi_register_owner+0x59/0xf0 [ 85.134538] device_add_disk+0x5bb/0xdc0 [ 85.138575] ? sprintf+0xa7/0xd0 [ 85.141919] ? blk_alloc_devt+0x310/0x310 [ 85.146044] ? __lockdep_init_map+0x100/0x560 [ 85.150516] ? __lockdep_init_map+0x100/0x560 [ 85.154989] loop_add+0x615/0x830 [ 85.158416] ? loop_queue_rq+0x280/0x280 [ 85.162449] ? loop_queue_work+0x21e0/0x21e0 [ 85.166836] loop_control_ioctl+0x11a/0x3f0 [ 85.171133] ? loop_lookup+0x190/0x190 [ 85.174996] ? SyS_write+0x1b7/0x210 [ 85.178687] ? loop_lookup+0x190/0x190 [ 85.182733] do_vfs_ioctl+0x75a/0xff0 [ 85.186523] ? lock_acquire+0x170/0x3f0 [ 85.190487] ? ioctl_preallocate+0x1a0/0x1a0 [ 85.194874] ? __fget+0x265/0x3e0 [ 85.198309] ? do_vfs_ioctl+0xff0/0xff0 [ 85.202262] ? security_file_ioctl+0x83/0xb0 [ 85.206648] SyS_ioctl+0x7f/0xb0 [ 85.210513] ? do_vfs_ioctl+0xff0/0xff0 [ 85.214470] do_syscall_64+0x1d5/0x640 [ 85.218341] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 85.223506] RIP: 0033:0x7f23b7998ba9 [ 85.227195] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 85.234880] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 85.242128] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 executing program [ 85.249375] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 85.256621] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 85.263883] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 85.318840] FAULT_INJECTION: forcing a failure. [ 85.318840] name failslab, interval 1, probability 0, space 0, times 0 [ 85.332043] CPU: 0 PID: 8478 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 85.339941] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 85.349286] Call Trace: [ 85.351864] dump_stack+0x1b2/0x281 [ 85.355480] should_fail.cold+0x10a/0x149 [ 85.359609] should_failslab+0xd6/0x130 [ 85.363562] __kmalloc+0x2c1/0x400 [ 85.367085] ? kobj_map+0x7c/0x3d0 [ 85.370625] kobj_map+0x7c/0x3d0 [ 85.373972] ? blkdev_ioctl+0x1830/0x1830 [ 85.378096] ? disk_release+0x2f0/0x2f0 [ 85.382050] ? kobject_get+0x5e/0x70 [ 85.385758] device_add_disk+0x628/0xdc0 [ 85.389919] ? sprintf+0xa7/0xd0 [ 85.393274] ? blk_alloc_devt+0x310/0x310 [ 85.397405] ? __lockdep_init_map+0x100/0x560 [ 85.401877] ? __lockdep_init_map+0x100/0x560 [ 85.406350] loop_add+0x615/0x830 [ 85.409781] ? loop_queue_rq+0x280/0x280 [ 85.413817] ? loop_queue_work+0x21e0/0x21e0 [ 85.418205] loop_control_ioctl+0x11a/0x3f0 [ 85.422504] ? loop_lookup+0x190/0x190 [ 85.426369] ? SyS_write+0x1b7/0x210 [ 85.430082] ? loop_lookup+0x190/0x190 [ 85.433949] do_vfs_ioctl+0x75a/0xff0 [ 85.437741] ? lock_acquire+0x170/0x3f0 [ 85.441692] ? ioctl_preallocate+0x1a0/0x1a0 [ 85.446093] ? __fget+0x265/0x3e0 [ 85.449553] ? do_vfs_ioctl+0xff0/0xff0 [ 85.453512] ? security_file_ioctl+0x83/0xb0 [ 85.457900] SyS_ioctl+0x7f/0xb0 [ 85.461260] ? do_vfs_ioctl+0xff0/0xff0 [ 85.465211] do_syscall_64+0x1d5/0x640 [ 85.469103] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 85.474291] RIP: 0033:0x7f23b7998ba9 [ 85.477991] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 85.485830] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 85.493088] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 85.500340] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 85.507590] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 executing program [ 85.515183] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 85.568477] FAULT_INJECTION: forcing a failure. [ 85.568477] name failslab, interval 1, probability 0, space 0, times 0 [ 85.580679] CPU: 0 PID: 8487 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 85.588558] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 85.598282] Call Trace: [ 85.601038] dump_stack+0x1b2/0x281 [ 85.604656] should_fail.cold+0x10a/0x149 [ 85.608789] should_failslab+0xd6/0x130 [ 85.612742] kmem_cache_alloc_trace+0x29a/0x3d0 [ 85.617391] ? kobj_ns_drop+0x80/0x80 [ 85.621194] call_usermodehelper_setup+0x73/0x2e0 [ 85.626015] kobject_uevent_env+0xc21/0xf30 [ 85.630317] device_add+0xa47/0x15c0 [ 85.634008] ? device_is_dependent+0x2a0/0x2a0 [ 85.638565] ? kfree+0x1f0/0x250 [ 85.641910] device_create_groups_vargs+0x1dc/0x250 [ 85.646909] device_create_vargs+0x3a/0x50 [ 85.651124] bdi_register_va.part.0+0x35/0x650 [ 85.655685] bdi_register+0x101/0x110 [ 85.659469] ? bdi_register_va+0x80/0x80 [ 85.663516] ? vsnprintf+0x260/0x1340 [ 85.667292] bdi_register_owner+0x59/0xf0 [ 85.671510] device_add_disk+0x5bb/0xdc0 [ 85.675556] ? sprintf+0xa7/0xd0 [ 85.678901] ? blk_alloc_devt+0x310/0x310 [ 85.683027] ? __lockdep_init_map+0x100/0x560 [ 85.687501] ? __lockdep_init_map+0x100/0x560 [ 85.691979] loop_add+0x615/0x830 [ 85.695411] ? loop_queue_rq+0x280/0x280 [ 85.699446] ? loop_queue_work+0x21e0/0x21e0 [ 85.703833] loop_control_ioctl+0x11a/0x3f0 [ 85.708131] ? loop_lookup+0x190/0x190 [ 85.711997] ? SyS_write+0x1b7/0x210 [ 85.715691] ? loop_lookup+0x190/0x190 [ 85.719559] do_vfs_ioctl+0x75a/0xff0 [ 85.723344] ? lock_acquire+0x170/0x3f0 [ 85.727296] ? ioctl_preallocate+0x1a0/0x1a0 [ 85.731684] ? __fget+0x265/0x3e0 [ 85.735113] ? do_vfs_ioctl+0xff0/0xff0 [ 85.739067] ? security_file_ioctl+0x83/0xb0 [ 85.743456] SyS_ioctl+0x7f/0xb0 [ 85.746800] ? do_vfs_ioctl+0xff0/0xff0 [ 85.750752] do_syscall_64+0x1d5/0x640 [ 85.754723] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 85.759955] RIP: 0033:0x7f23b7998ba9 executing program [ 85.763644] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 85.771330] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 85.778578] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 85.785824] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 85.793072] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 85.800329] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 85.869479] FAULT_INJECTION: forcing a failure. [ 85.869479] name failslab, interval 1, probability 0, space 0, times 0 [ 85.881011] CPU: 1 PID: 8495 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 85.888898] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 85.898231] Call Trace: [ 85.900801] dump_stack+0x1b2/0x281 [ 85.904428] should_fail.cold+0x10a/0x149 [ 85.908562] should_failslab+0xd6/0x130 [ 85.912524] kmem_cache_alloc+0x28e/0x3c0 [ 85.916679] alloc_inode+0xa0/0x170 [ 85.920299] new_inode+0x1d/0xf0 [ 85.923651] debugfs_get_inode+0x1a/0x130 [ 85.927797] __debugfs_create_file+0x93/0x440 [ 85.932275] ? debugfs_create_file+0x37/0x60 [ 85.936665] bdi_register_va.part.0+0x1f4/0x650 [ 85.941313] bdi_register+0x101/0x110 [ 85.945095] ? bdi_register_va+0x80/0x80 [ 85.949137] ? vsnprintf+0x260/0x1340 [ 85.952917] bdi_register_owner+0x59/0xf0 [ 85.957049] device_add_disk+0x5bb/0xdc0 [ 85.961098] ? sprintf+0xa7/0xd0 [ 85.964449] ? blk_alloc_devt+0x310/0x310 [ 85.968721] ? __lockdep_init_map+0x100/0x560 [ 85.973213] ? __lockdep_init_map+0x100/0x560 [ 85.977693] loop_add+0x615/0x830 [ 85.981150] ? loop_queue_rq+0x280/0x280 [ 85.985208] ? loop_queue_work+0x21e0/0x21e0 [ 85.989597] loop_control_ioctl+0x11a/0x3f0 [ 85.993896] ? loop_lookup+0x190/0x190 [ 85.997774] ? SyS_write+0x1b7/0x210 [ 86.001470] ? loop_lookup+0x190/0x190 [ 86.005353] do_vfs_ioctl+0x75a/0xff0 [ 86.009143] ? lock_acquire+0x170/0x3f0 [ 86.013097] ? ioctl_preallocate+0x1a0/0x1a0 [ 86.017487] ? __fget+0x265/0x3e0 [ 86.020925] ? do_vfs_ioctl+0xff0/0xff0 [ 86.024880] ? security_file_ioctl+0x83/0xb0 [ 86.029268] SyS_ioctl+0x7f/0xb0 [ 86.032619] ? do_vfs_ioctl+0xff0/0xff0 [ 86.036577] do_syscall_64+0x1d5/0x640 [ 86.040445] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 86.045612] RIP: 0033:0x7f23b7998ba9 [ 86.049299] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 86.056998] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 executing program [ 86.064248] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 86.071504] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 86.078761] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 86.086007] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 86.138625] FAULT_INJECTION: forcing a failure. [ 86.138625] name failslab, interval 1, probability 0, space 0, times 0 [ 86.151911] CPU: 0 PID: 8504 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 86.159812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 86.169145] Call Trace: [ 86.171714] dump_stack+0x1b2/0x281 [ 86.175342] should_fail.cold+0x10a/0x149 [ 86.179486] should_failslab+0xd6/0x130 [ 86.183442] kmem_cache_alloc+0x28e/0x3c0 [ 86.187574] __d_alloc+0x2a/0xa20 [ 86.191006] ? d_lookup+0x172/0x220 [ 86.194612] d_alloc+0x46/0x240 [ 86.197873] __lookup_hash+0x101/0x270 [ 86.201739] ? __inode_permission+0xcd/0x2f0 [ 86.206131] lookup_one_len+0x279/0x3a0 [ 86.210083] ? lookup_one_len_unlocked+0x410/0x410 [ 86.214996] start_creating+0xb0/0x200 [ 86.218866] __debugfs_create_file+0x4f/0x440 [ 86.223338] ? debugfs_create_file+0x37/0x60 [ 86.227725] bdi_register_va.part.0+0x1f4/0x650 [ 86.232371] bdi_register+0x101/0x110 [ 86.236151] ? bdi_register_va+0x80/0x80 [ 86.240193] ? vsnprintf+0x260/0x1340 [ 86.243973] bdi_register_owner+0x59/0xf0 [ 86.248098] device_add_disk+0x5bb/0xdc0 [ 86.252141] ? sprintf+0xa7/0xd0 [ 86.255484] ? blk_alloc_devt+0x310/0x310 [ 86.259610] ? __lockdep_init_map+0x100/0x560 [ 86.264082] ? __lockdep_init_map+0x100/0x560 [ 86.268557] loop_add+0x615/0x830 [ 86.271990] ? loop_queue_rq+0x280/0x280 [ 86.276028] ? loop_queue_work+0x21e0/0x21e0 [ 86.280417] loop_control_ioctl+0x11a/0x3f0 [ 86.284727] ? loop_lookup+0x190/0x190 [ 86.288598] ? SyS_write+0x1b7/0x210 [ 86.292290] ? loop_lookup+0x190/0x190 [ 86.296155] do_vfs_ioctl+0x75a/0xff0 [ 86.299940] ? lock_acquire+0x170/0x3f0 [ 86.303908] ? ioctl_preallocate+0x1a0/0x1a0 [ 86.308304] ? __fget+0x265/0x3e0 [ 86.311746] ? do_vfs_ioctl+0xff0/0xff0 [ 86.315702] ? security_file_ioctl+0x83/0xb0 [ 86.320238] SyS_ioctl+0x7f/0xb0 [ 86.323585] ? do_vfs_ioctl+0xff0/0xff0 [ 86.327541] do_syscall_64+0x1d5/0x640 [ 86.331415] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 executing program [ 86.336587] RIP: 0033:0x7f23b7998ba9 [ 86.340283] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 86.347966] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 86.355223] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 86.362477] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 86.369731] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 86.376981] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 86.438414] FAULT_INJECTION: forcing a failure. [ 86.438414] name failslab, interval 1, probability 0, space 0, times 0 [ 86.449835] CPU: 1 PID: 8513 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 86.457714] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 86.467051] Call Trace: [ 86.469622] dump_stack+0x1b2/0x281 [ 86.473234] should_fail.cold+0x10a/0x149 [ 86.477366] should_failslab+0xd6/0x130 [ 86.481322] kmem_cache_alloc+0x28e/0x3c0 [ 86.485455] __d_alloc+0x2a/0xa20 [ 86.488894] ? d_lookup+0x172/0x220 [ 86.492501] d_alloc+0x46/0x240 [ 86.495766] __lookup_hash+0x101/0x270 [ 86.499635] ? __inode_permission+0xcd/0x2f0 [ 86.504041] lookup_one_len+0x279/0x3a0 [ 86.507999] ? lookup_one_len_unlocked+0x410/0x410 [ 86.512911] start_creating+0xb0/0x200 [ 86.516780] debugfs_create_dir+0x1f/0x420 [ 86.520996] bdi_register_va.part.0+0x1ad/0x650 [ 86.525667] bdi_register+0x101/0x110 [ 86.529556] ? bdi_register_va+0x80/0x80 [ 86.533615] ? vsnprintf+0x260/0x1340 [ 86.537402] bdi_register_owner+0x59/0xf0 [ 86.541532] device_add_disk+0x5bb/0xdc0 [ 86.545578] ? sprintf+0xa7/0xd0 [ 86.548921] ? blk_alloc_devt+0x310/0x310 [ 86.553049] ? __lockdep_init_map+0x100/0x560 [ 86.557522] ? __lockdep_init_map+0x100/0x560 [ 86.561996] loop_add+0x615/0x830 [ 86.565433] ? loop_queue_rq+0x280/0x280 [ 86.569469] ? loop_queue_work+0x21e0/0x21e0 [ 86.573859] loop_control_ioctl+0x11a/0x3f0 [ 86.578161] ? loop_lookup+0x190/0x190 [ 86.582025] ? SyS_write+0x1b7/0x210 [ 86.585720] ? loop_lookup+0x190/0x190 [ 86.589586] do_vfs_ioctl+0x75a/0xff0 [ 86.593367] ? lock_acquire+0x170/0x3f0 [ 86.597319] ? ioctl_preallocate+0x1a0/0x1a0 [ 86.601706] ? __fget+0x265/0x3e0 [ 86.605225] ? do_vfs_ioctl+0xff0/0xff0 [ 86.609182] ? security_file_ioctl+0x83/0xb0 [ 86.614624] SyS_ioctl+0x7f/0xb0 [ 86.617979] ? do_vfs_ioctl+0xff0/0xff0 [ 86.621933] do_syscall_64+0x1d5/0x640 [ 86.625807] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 86.630976] RIP: 0033:0x7f23b7998ba9 executing program executing program [ 86.634667] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 86.642354] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 86.649612] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 86.656865] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 86.664118] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 86.671383] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 86.729647] FAULT_INJECTION: forcing a failure. [ 86.729647] name failslab, interval 1, probability 0, space 0, times 0 [ 86.741330] CPU: 0 PID: 8524 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 86.749218] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 86.758552] Call Trace: [ 86.761122] dump_stack+0x1b2/0x281 [ 86.764735] should_fail.cold+0x10a/0x149 [ 86.768869] should_failslab+0xd6/0x130 [ 86.772830] kmem_cache_alloc+0x28e/0x3c0 [ 86.776959] __d_alloc+0x2a/0xa20 [ 86.780389] ? d_lookup+0x172/0x220 [ 86.783999] d_alloc+0x46/0x240 [ 86.787262] __lookup_hash+0x101/0x270 [ 86.791126] ? __inode_permission+0xcd/0x2f0 [ 86.795512] lookup_one_len+0x279/0x3a0 [ 86.799464] ? lookup_one_len_unlocked+0x410/0x410 [ 86.804374] start_creating+0xb0/0x200 [ 86.808240] __debugfs_create_file+0x4f/0x440 [ 86.812716] ? debugfs_create_file+0x37/0x60 [ 86.817105] bdi_register_va.part.0+0x1f4/0x650 [ 86.822129] bdi_register+0x101/0x110 [ 86.825926] ? bdi_register_va+0x80/0x80 [ 86.829975] ? vsnprintf+0x260/0x1340 [ 86.833763] bdi_register_owner+0x59/0xf0 [ 86.837892] device_add_disk+0x5bb/0xdc0 [ 86.841945] ? sprintf+0xa7/0xd0 [ 86.845306] ? blk_alloc_devt+0x310/0x310 [ 86.849441] ? __lockdep_init_map+0x100/0x560 [ 86.853916] ? __lockdep_init_map+0x100/0x560 [ 86.858401] loop_add+0x615/0x830 [ 86.861832] ? loop_queue_rq+0x280/0x280 [ 86.865870] ? loop_queue_work+0x21e0/0x21e0 [ 86.870257] loop_control_ioctl+0x11a/0x3f0 [ 86.874567] ? loop_lookup+0x190/0x190 [ 86.878436] ? SyS_write+0x1b7/0x210 [ 86.882128] ? loop_lookup+0x190/0x190 [ 86.885996] do_vfs_ioctl+0x75a/0xff0 [ 86.889808] ? lock_acquire+0x170/0x3f0 [ 86.893762] ? ioctl_preallocate+0x1a0/0x1a0 [ 86.898149] ? __fget+0x265/0x3e0 [ 86.901585] ? do_vfs_ioctl+0xff0/0xff0 [ 86.905538] ? security_file_ioctl+0x83/0xb0 [ 86.909922] SyS_ioctl+0x7f/0xb0 [ 86.913271] ? do_vfs_ioctl+0xff0/0xff0 [ 86.917229] do_syscall_64+0x1d5/0x640 [ 86.921233] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 86.926409] RIP: 0033:0x7f23b7998ba9 executing program [ 86.930100] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 86.937784] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 86.945046] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 86.952299] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 86.959556] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 86.966802] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 87.018721] FAULT_INJECTION: forcing a failure. [ 87.018721] name failslab, interval 1, probability 0, space 0, times 0 [ 87.030042] CPU: 0 PID: 8533 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 87.037922] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 87.047292] Call Trace: [ 87.049864] dump_stack+0x1b2/0x281 [ 87.053476] should_fail.cold+0x10a/0x149 [ 87.057603] should_failslab+0xd6/0x130 [ 87.061555] kmem_cache_alloc+0x28e/0x3c0 [ 87.065689] __d_alloc+0x2a/0xa20 [ 87.069120] ? d_lookup+0x172/0x220 [ 87.072725] d_alloc+0x46/0x240 [ 87.075982] __lookup_hash+0x101/0x270 [ 87.079846] ? __inode_permission+0xcd/0x2f0 [ 87.084228] lookup_one_len+0x279/0x3a0 [ 87.088186] ? lookup_one_len_unlocked+0x410/0x410 [ 87.093095] start_creating+0xb0/0x200 [ 87.096960] __debugfs_create_file+0x4f/0x440 [ 87.101436] ? debugfs_create_file+0x37/0x60 [ 87.105821] bdi_register_va.part.0+0x1f4/0x650 [ 87.110470] bdi_register+0x101/0x110 [ 87.114246] ? bdi_register_va+0x80/0x80 [ 87.118284] ? vsnprintf+0x260/0x1340 [ 87.122060] bdi_register_owner+0x59/0xf0 [ 87.126184] device_add_disk+0x5bb/0xdc0 [ 87.130222] ? sprintf+0xa7/0xd0 [ 87.133570] ? blk_alloc_devt+0x310/0x310 [ 87.137703] ? __lockdep_init_map+0x100/0x560 [ 87.142174] ? __lockdep_init_map+0x100/0x560 [ 87.146646] loop_add+0x615/0x830 [ 87.150075] ? loop_queue_rq+0x280/0x280 [ 87.154108] ? loop_queue_work+0x21e0/0x21e0 [ 87.158491] loop_control_ioctl+0x11a/0x3f0 [ 87.162787] ? loop_lookup+0x190/0x190 [ 87.166648] ? SyS_write+0x1b7/0x210 [ 87.170335] ? loop_lookup+0x190/0x190 [ 87.174197] do_vfs_ioctl+0x75a/0xff0 [ 87.177975] ? lock_acquire+0x170/0x3f0 [ 87.181923] ? ioctl_preallocate+0x1a0/0x1a0 [ 87.186306] ? __fget+0x265/0x3e0 [ 87.189739] ? do_vfs_ioctl+0xff0/0xff0 [ 87.193686] ? security_file_ioctl+0x83/0xb0 [ 87.198069] SyS_ioctl+0x7f/0xb0 [ 87.201408] ? do_vfs_ioctl+0xff0/0xff0 [ 87.205361] do_syscall_64+0x1d5/0x640 [ 87.209225] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 87.214387] RIP: 0033:0x7f23b7998ba9 executing program [ 87.218073] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 87.225757] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 87.233003] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 87.240247] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 87.247490] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 87.254733] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 87.328499] FAULT_INJECTION: forcing a failure. [ 87.328499] name failslab, interval 1, probability 0, space 0, times 0 [ 87.339821] CPU: 0 PID: 8542 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 87.347696] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 87.357035] Call Trace: [ 87.359607] dump_stack+0x1b2/0x281 [ 87.363210] should_fail.cold+0x10a/0x149 [ 87.367350] should_failslab+0xd6/0x130 [ 87.371303] kmem_cache_alloc+0x28e/0x3c0 [ 87.375429] __d_alloc+0x2a/0xa20 [ 87.378861] ? d_lookup+0x172/0x220 [ 87.382465] d_alloc+0x46/0x240 [ 87.385724] __lookup_hash+0x101/0x270 [ 87.389588] ? __inode_permission+0xcd/0x2f0 [ 87.393972] lookup_one_len+0x279/0x3a0 [ 87.397961] ? lookup_one_len_unlocked+0x410/0x410 [ 87.402995] start_creating+0xb0/0x200 [ 87.406872] __debugfs_create_file+0x4f/0x440 [ 87.411344] ? debugfs_create_file+0x37/0x60 [ 87.415732] bdi_register_va.part.0+0x1f4/0x650 [ 87.420379] bdi_register+0x101/0x110 [ 87.424175] ? bdi_register_va+0x80/0x80 [ 87.428224] ? vsnprintf+0x260/0x1340 [ 87.432008] bdi_register_owner+0x59/0xf0 [ 87.436137] device_add_disk+0x5bb/0xdc0 [ 87.440185] ? sprintf+0xa7/0xd0 [ 87.443531] ? blk_alloc_devt+0x310/0x310 [ 87.447669] ? __lockdep_init_map+0x100/0x560 [ 87.452249] ? __lockdep_init_map+0x100/0x560 [ 87.456725] loop_add+0x615/0x830 [ 87.460164] ? loop_queue_rq+0x280/0x280 [ 87.464207] ? loop_queue_work+0x21e0/0x21e0 [ 87.468600] loop_control_ioctl+0x11a/0x3f0 [ 87.472902] ? loop_lookup+0x190/0x190 [ 87.476763] ? SyS_write+0x1b7/0x210 [ 87.480457] ? loop_lookup+0x190/0x190 [ 87.484319] do_vfs_ioctl+0x75a/0xff0 [ 87.488100] ? lock_acquire+0x170/0x3f0 [ 87.492049] ? ioctl_preallocate+0x1a0/0x1a0 [ 87.496432] ? __fget+0x265/0x3e0 [ 87.499863] ? do_vfs_ioctl+0xff0/0xff0 [ 87.503814] ? security_file_ioctl+0x83/0xb0 [ 87.508198] SyS_ioctl+0x7f/0xb0 [ 87.511540] ? do_vfs_ioctl+0xff0/0xff0 [ 87.515497] do_syscall_64+0x1d5/0x640 [ 87.519362] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 87.524526] RIP: 0033:0x7f23b7998ba9 executing program [ 87.528214] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 87.535898] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 87.543148] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 87.550394] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 87.557654] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 87.564899] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 87.628604] FAULT_INJECTION: forcing a failure. [ 87.628604] name failslab, interval 1, probability 0, space 0, times 0 [ 87.640062] CPU: 0 PID: 8551 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 87.648069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 87.657403] Call Trace: [ 87.659973] dump_stack+0x1b2/0x281 [ 87.663579] should_fail.cold+0x10a/0x149 [ 87.667708] should_failslab+0xd6/0x130 [ 87.671664] kmem_cache_alloc+0x28e/0x3c0 [ 87.675788] __d_alloc+0x2a/0xa20 [ 87.679235] ? d_lookup+0x172/0x220 [ 87.682839] d_alloc+0x46/0x240 [ 87.686098] __lookup_hash+0x101/0x270 [ 87.689969] ? __inode_permission+0xcd/0x2f0 [ 87.694360] lookup_one_len+0x279/0x3a0 [ 87.698313] ? lookup_one_len_unlocked+0x410/0x410 [ 87.703223] start_creating+0xb0/0x200 [ 87.707088] __debugfs_create_file+0x4f/0x440 [ 87.711557] ? debugfs_create_file+0x37/0x60 [ 87.717388] bdi_register_va.part.0+0x1f4/0x650 [ 87.722047] bdi_register+0x101/0x110 [ 87.725831] ? bdi_register_va+0x80/0x80 [ 87.729874] ? vsnprintf+0x260/0x1340 [ 87.733653] bdi_register_owner+0x59/0xf0 [ 87.737778] device_add_disk+0x5bb/0xdc0 [ 87.741818] ? sprintf+0xa7/0xd0 [ 87.745158] ? blk_alloc_devt+0x310/0x310 [ 87.749284] ? __lockdep_init_map+0x100/0x560 [ 87.753752] ? __lockdep_init_map+0x100/0x560 [ 87.758226] loop_add+0x615/0x830 [ 87.761653] ? loop_queue_rq+0x280/0x280 [ 87.765688] ? loop_queue_work+0x21e0/0x21e0 [ 87.770070] loop_control_ioctl+0x11a/0x3f0 [ 87.774364] ? loop_lookup+0x190/0x190 [ 87.778227] ? SyS_write+0x1b7/0x210 [ 87.781916] ? loop_lookup+0x190/0x190 [ 87.785783] do_vfs_ioctl+0x75a/0xff0 [ 87.789558] ? lock_acquire+0x170/0x3f0 [ 87.793509] ? ioctl_preallocate+0x1a0/0x1a0 [ 87.797894] ? __fget+0x265/0x3e0 [ 87.801324] ? do_vfs_ioctl+0xff0/0xff0 [ 87.805274] ? security_file_ioctl+0x83/0xb0 [ 87.809656] SyS_ioctl+0x7f/0xb0 [ 87.812999] ? do_vfs_ioctl+0xff0/0xff0 [ 87.816956] do_syscall_64+0x1d5/0x640 [ 87.820820] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 executing program [ 87.825983] RIP: 0033:0x7f23b7998ba9 [ 87.829669] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 87.837353] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 87.844603] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 87.851847] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 87.859090] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 87.866332] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 87.928069] FAULT_INJECTION: forcing a failure. [ 87.928069] name failslab, interval 1, probability 0, space 0, times 0 [ 87.939832] CPU: 1 PID: 8560 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 87.947704] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 87.957035] Call Trace: [ 87.959633] dump_stack+0x1b2/0x281 [ 87.963243] should_fail.cold+0x10a/0x149 [ 87.967371] should_failslab+0xd6/0x130 [ 87.971321] kmem_cache_alloc+0x28e/0x3c0 [ 87.975459] alloc_inode+0xa0/0x170 [ 87.979111] new_inode+0x1d/0xf0 [ 87.982473] debugfs_get_inode+0x1a/0x130 [ 87.986599] __debugfs_create_file+0x93/0x440 [ 87.991072] ? debugfs_create_file+0x37/0x60 [ 87.995505] bdi_register_va.part.0+0x1f4/0x650 [ 88.000155] bdi_register+0x101/0x110 [ 88.003933] ? bdi_register_va+0x80/0x80 [ 88.007971] ? vsnprintf+0x260/0x1340 [ 88.011749] bdi_register_owner+0x59/0xf0 [ 88.015874] device_add_disk+0x5bb/0xdc0 [ 88.019911] ? sprintf+0xa7/0xd0 [ 88.023406] ? blk_alloc_devt+0x310/0x310 [ 88.027735] ? __lockdep_init_map+0x100/0x560 [ 88.032219] ? __lockdep_init_map+0x100/0x560 [ 88.036716] loop_add+0x615/0x830 [ 88.040245] ? loop_queue_rq+0x280/0x280 [ 88.044288] ? loop_queue_work+0x21e0/0x21e0 [ 88.048681] loop_control_ioctl+0x11a/0x3f0 [ 88.052986] ? loop_lookup+0x190/0x190 [ 88.056853] ? SyS_write+0x1b7/0x210 [ 88.060643] ? loop_lookup+0x190/0x190 [ 88.064509] do_vfs_ioctl+0x75a/0xff0 [ 88.068287] ? lock_acquire+0x170/0x3f0 [ 88.072324] ? ioctl_preallocate+0x1a0/0x1a0 [ 88.076708] ? __fget+0x265/0x3e0 [ 88.080138] ? do_vfs_ioctl+0xff0/0xff0 [ 88.084093] ? security_file_ioctl+0x83/0xb0 [ 88.088475] SyS_ioctl+0x7f/0xb0 [ 88.091814] ? do_vfs_ioctl+0xff0/0xff0 [ 88.095764] do_syscall_64+0x1d5/0x640 [ 88.099650] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 88.104814] RIP: 0033:0x7f23b7998ba9 [ 88.108499] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 88.116192] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 executing program [ 88.123435] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 88.130680] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 88.137925] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 88.145170] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 88.198782] FAULT_INJECTION: forcing a failure. [ 88.198782] name failslab, interval 1, probability 0, space 0, times 0 [ 88.211774] CPU: 0 PID: 8569 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 88.219664] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 88.229000] Call Trace: [ 88.231569] dump_stack+0x1b2/0x281 [ 88.235172] should_fail.cold+0x10a/0x149 [ 88.239298] should_failslab+0xd6/0x130 [ 88.243246] kmem_cache_alloc+0x28e/0x3c0 [ 88.247372] alloc_inode+0xa0/0x170 [ 88.250973] new_inode+0x1d/0xf0 [ 88.254313] debugfs_get_inode+0x1a/0x130 [ 88.258438] debugfs_create_dir+0x63/0x420 [ 88.262655] bdi_register_va.part.0+0x1ad/0x650 [ 88.267298] bdi_register+0x101/0x110 [ 88.271083] ? bdi_register_va+0x80/0x80 [ 88.275123] ? vsnprintf+0x260/0x1340 [ 88.278898] bdi_register_owner+0x59/0xf0 [ 88.283022] device_add_disk+0x5bb/0xdc0 [ 88.287057] ? sprintf+0xa7/0xd0 [ 88.290405] ? blk_alloc_devt+0x310/0x310 [ 88.294532] ? __lockdep_init_map+0x100/0x560 [ 88.299000] ? __lockdep_init_map+0x100/0x560 [ 88.303469] loop_add+0x615/0x830 [ 88.306899] ? loop_queue_rq+0x280/0x280 [ 88.310932] ? loop_queue_work+0x21e0/0x21e0 [ 88.315318] loop_control_ioctl+0x11a/0x3f0 [ 88.319616] ? loop_lookup+0x190/0x190 [ 88.323475] ? SyS_write+0x1b7/0x210 [ 88.327164] ? loop_lookup+0x190/0x190 [ 88.331025] do_vfs_ioctl+0x75a/0xff0 [ 88.334807] ? lock_acquire+0x170/0x3f0 [ 88.338758] ? ioctl_preallocate+0x1a0/0x1a0 [ 88.343142] ? __fget+0x265/0x3e0 [ 88.346571] ? do_vfs_ioctl+0xff0/0xff0 [ 88.350521] ? security_file_ioctl+0x83/0xb0 [ 88.354902] SyS_ioctl+0x7f/0xb0 [ 88.358242] ? do_vfs_ioctl+0xff0/0xff0 [ 88.362193] do_syscall_64+0x1d5/0x640 [ 88.366059] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 88.371222] RIP: 0033:0x7f23b7998ba9 [ 88.374906] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 88.382588] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 88.389837] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 executing program [ 88.397084] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 88.404329] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 88.411574] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 88.478074] FAULT_INJECTION: forcing a failure. [ 88.478074] name failslab, interval 1, probability 0, space 0, times 0 [ 88.489381] CPU: 0 PID: 8578 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 88.497247] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 88.506576] Call Trace: [ 88.509140] dump_stack+0x1b2/0x281 [ 88.512744] should_fail.cold+0x10a/0x149 [ 88.516867] should_failslab+0xd6/0x130 [ 88.520832] __kmalloc+0x2c1/0x400 [ 88.524350] ? kobj_map+0x7c/0x3d0 [ 88.527868] kobj_map+0x7c/0x3d0 [ 88.531212] ? blkdev_ioctl+0x1830/0x1830 [ 88.535338] ? disk_release+0x2f0/0x2f0 [ 88.539287] ? kobject_get+0x5e/0x70 [ 88.542975] device_add_disk+0x628/0xdc0 [ 88.547018] ? sprintf+0xa7/0xd0 [ 88.550364] ? blk_alloc_devt+0x310/0x310 [ 88.554487] ? __lockdep_init_map+0x100/0x560 [ 88.558955] ? __lockdep_init_map+0x100/0x560 [ 88.563432] loop_add+0x615/0x830 [ 88.566861] ? loop_queue_rq+0x280/0x280 [ 88.570894] ? loop_queue_work+0x21e0/0x21e0 [ 88.575279] loop_control_ioctl+0x11a/0x3f0 [ 88.579578] ? loop_lookup+0x190/0x190 [ 88.583469] ? SyS_write+0x1b7/0x210 [ 88.587159] ? loop_lookup+0x190/0x190 [ 88.591021] do_vfs_ioctl+0x75a/0xff0 [ 88.594800] ? lock_acquire+0x170/0x3f0 [ 88.598748] ? ioctl_preallocate+0x1a0/0x1a0 [ 88.603132] ? __fget+0x265/0x3e0 [ 88.606561] ? do_vfs_ioctl+0xff0/0xff0 [ 88.610530] ? security_file_ioctl+0x83/0xb0 [ 88.614921] SyS_ioctl+0x7f/0xb0 [ 88.618262] ? do_vfs_ioctl+0xff0/0xff0 [ 88.622217] do_syscall_64+0x1d5/0x640 [ 88.626084] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 88.631249] RIP: 0033:0x7f23b7998ba9 [ 88.634935] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 88.642615] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 88.649861] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 88.657106] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 88.664357] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 88.671603] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 executing program [ 88.717761] FAULT_INJECTION: forcing a failure. [ 88.717761] name failslab, interval 1, probability 0, space 0, times 0 [ 88.731139] CPU: 0 PID: 8585 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 88.739030] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 88.748364] Call Trace: [ 88.750929] dump_stack+0x1b2/0x281 [ 88.754532] should_fail.cold+0x10a/0x149 [ 88.758656] should_failslab+0xd6/0x130 [ 88.762608] __kmalloc+0x2c1/0x400 [ 88.766124] ? kobj_map+0x7c/0x3d0 [ 88.769639] kobj_map+0x7c/0x3d0 [ 88.772981] ? blkdev_ioctl+0x1830/0x1830 [ 88.777107] ? disk_release+0x2f0/0x2f0 [ 88.781058] ? kobject_get+0x5e/0x70 [ 88.784752] device_add_disk+0x628/0xdc0 [ 88.788790] ? sprintf+0xa7/0xd0 [ 88.792143] ? blk_alloc_devt+0x310/0x310 [ 88.796279] ? __lockdep_init_map+0x100/0x560 [ 88.800757] ? __lockdep_init_map+0x100/0x560 [ 88.805232] loop_add+0x615/0x830 [ 88.808671] ? loop_queue_rq+0x280/0x280 [ 88.812710] ? loop_queue_work+0x21e0/0x21e0 [ 88.817098] loop_control_ioctl+0x11a/0x3f0 [ 88.821401] ? loop_lookup+0x190/0x190 [ 88.825263] ? SyS_write+0x1b7/0x210 [ 88.828951] ? loop_lookup+0x190/0x190 [ 88.832823] do_vfs_ioctl+0x75a/0xff0 [ 88.836620] ? lock_acquire+0x170/0x3f0 [ 88.840587] ? ioctl_preallocate+0x1a0/0x1a0 [ 88.844979] ? __fget+0x265/0x3e0 [ 88.848411] ? do_vfs_ioctl+0xff0/0xff0 [ 88.852367] ? security_file_ioctl+0x83/0xb0 [ 88.856763] SyS_ioctl+0x7f/0xb0 [ 88.860116] ? do_vfs_ioctl+0xff0/0xff0 [ 88.864076] do_syscall_64+0x1d5/0x640 [ 88.867949] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 88.873122] RIP: 0033:0x7f23b7998ba9 [ 88.876814] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 88.884500] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 88.891747] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 88.898990] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 88.906321] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 executing program executing program [ 88.913566] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 88.979126] FAULT_INJECTION: forcing a failure. [ 88.979126] name failslab, interval 1, probability 0, space 0, times 0 [ 88.992437] CPU: 0 PID: 8596 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 89.000333] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 89.009672] Call Trace: [ 89.012240] dump_stack+0x1b2/0x281 [ 89.015852] should_fail.cold+0x10a/0x149 [ 89.019981] should_failslab+0xd6/0x130 [ 89.023939] kmem_cache_alloc+0x28e/0x3c0 [ 89.028069] __d_alloc+0x2a/0xa20 [ 89.031502] ? d_lookup+0x172/0x220 [ 89.035109] d_alloc+0x46/0x240 [ 89.038370] __lookup_hash+0x101/0x270 [ 89.042230] ? __inode_permission+0xcd/0x2f0 [ 89.046612] lookup_one_len+0x279/0x3a0 [ 89.050560] ? lookup_one_len_unlocked+0x410/0x410 [ 89.055475] start_creating+0xb0/0x200 [ 89.059339] __debugfs_create_file+0x4f/0x440 [ 89.063810] ? debugfs_create_file+0x37/0x60 [ 89.068196] bdi_register_va.part.0+0x1f4/0x650 [ 89.072844] bdi_register+0x101/0x110 [ 89.076621] ? bdi_register_va+0x80/0x80 [ 89.080658] ? vsnprintf+0x260/0x1340 [ 89.084435] bdi_register_owner+0x59/0xf0 [ 89.088565] device_add_disk+0x5bb/0xdc0 [ 89.092604] ? sprintf+0xa7/0xd0 [ 89.095944] ? blk_alloc_devt+0x310/0x310 [ 89.100069] ? __lockdep_init_map+0x100/0x560 [ 89.104712] ? __lockdep_init_map+0x100/0x560 [ 89.109182] loop_add+0x615/0x830 [ 89.112638] ? loop_queue_rq+0x280/0x280 [ 89.116677] ? loop_queue_work+0x21e0/0x21e0 [ 89.121061] loop_control_ioctl+0x11a/0x3f0 [ 89.125366] ? loop_lookup+0x190/0x190 [ 89.129229] ? SyS_write+0x1b7/0x210 [ 89.132919] ? loop_lookup+0x190/0x190 [ 89.136780] do_vfs_ioctl+0x75a/0xff0 [ 89.140559] ? lock_acquire+0x170/0x3f0 [ 89.144508] ? ioctl_preallocate+0x1a0/0x1a0 [ 89.148891] ? __fget+0x265/0x3e0 [ 89.152321] ? do_vfs_ioctl+0xff0/0xff0 [ 89.156276] ? security_file_ioctl+0x83/0xb0 [ 89.160659] SyS_ioctl+0x7f/0xb0 [ 89.163998] ? do_vfs_ioctl+0xff0/0xff0 [ 89.167949] do_syscall_64+0x1d5/0x640 [ 89.171816] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 executing program [ 89.176981] RIP: 0033:0x7f23b7998ba9 [ 89.180667] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 89.188348] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 89.195595] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 89.202838] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 89.210082] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 89.217328] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 89.297813] FAULT_INJECTION: forcing a failure. [ 89.297813] name failslab, interval 1, probability 0, space 0, times 0 [ 89.311302] CPU: 0 PID: 8605 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 89.319195] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 89.328537] Call Trace: [ 89.331107] dump_stack+0x1b2/0x281 [ 89.334716] should_fail.cold+0x10a/0x149 [ 89.338853] should_failslab+0xd6/0x130 [ 89.342810] kmem_cache_alloc+0x28e/0x3c0 [ 89.346937] alloc_inode+0xa0/0x170 [ 89.350548] new_inode+0x1d/0xf0 [ 89.353896] debugfs_get_inode+0x1a/0x130 [ 89.358024] __debugfs_create_file+0x93/0x440 [ 89.362494] ? debugfs_create_file+0x37/0x60 [ 89.366885] bdi_register_va.part.0+0x1f4/0x650 [ 89.371534] bdi_register+0x101/0x110 [ 89.375309] ? bdi_register_va+0x80/0x80 [ 89.379347] ? vsnprintf+0x260/0x1340 [ 89.383126] bdi_register_owner+0x59/0xf0 [ 89.387247] device_add_disk+0x5bb/0xdc0 [ 89.391285] ? sprintf+0xa7/0xd0 [ 89.394626] ? blk_alloc_devt+0x310/0x310 [ 89.398752] ? __lockdep_init_map+0x100/0x560 [ 89.403226] ? __lockdep_init_map+0x100/0x560 [ 89.407699] loop_add+0x615/0x830 [ 89.411128] ? loop_queue_rq+0x280/0x280 [ 89.415163] ? loop_queue_work+0x21e0/0x21e0 [ 89.419550] loop_control_ioctl+0x11a/0x3f0 [ 89.423859] ? loop_lookup+0x190/0x190 [ 89.427737] ? SyS_write+0x1b7/0x210 [ 89.431442] ? loop_lookup+0x190/0x190 [ 89.435308] do_vfs_ioctl+0x75a/0xff0 [ 89.439089] ? lock_acquire+0x170/0x3f0 [ 89.443039] ? ioctl_preallocate+0x1a0/0x1a0 [ 89.447425] ? __fget+0x265/0x3e0 [ 89.450854] ? do_vfs_ioctl+0xff0/0xff0 [ 89.454801] ? security_file_ioctl+0x83/0xb0 [ 89.459186] SyS_ioctl+0x7f/0xb0 [ 89.462526] ? do_vfs_ioctl+0xff0/0xff0 [ 89.467983] do_syscall_64+0x1d5/0x640 [ 89.471849] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 89.477012] RIP: 0033:0x7f23b7998ba9 [ 89.480697] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 89.488382] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 executing program executing program [ 89.495631] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 89.502874] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 89.510120] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 89.517365] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 89.592208] FAULT_INJECTION: forcing a failure. [ 89.592208] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 89.604041] CPU: 0 PID: 8616 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 89.611918] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 89.621253] Call Trace: [ 89.623828] dump_stack+0x1b2/0x281 [ 89.627460] should_fail.cold+0x10a/0x149 [ 89.631590] __alloc_pages_nodemask+0x21e/0x2900 [ 89.636324] ? trace_hardirqs_on+0x10/0x10 [ 89.640535] ? __lock_acquire+0x5fc/0x3f20 [ 89.644748] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 89.649572] ? lock_acquire+0x170/0x3f0 [ 89.653521] ? lock_downgrade+0x740/0x740 [ 89.657656] ? do_raw_spin_unlock+0x164/0x220 [ 89.662147] cache_grow_begin+0x91/0x700 [ 89.666195] ? fs_reclaim_release+0xd0/0x110 [ 89.670590] ? check_preemption_disabled+0x35/0x240 [ 89.675601] cache_alloc_refill+0x273/0x350 [ 89.679907] kmem_cache_alloc+0x333/0x3c0 [ 89.684035] alloc_inode+0xa0/0x170 [ 89.687643] new_inode+0x1d/0xf0 [ 89.690989] debugfs_get_inode+0x1a/0x130 [ 89.695115] __debugfs_create_file+0x93/0x440 [ 89.699583] ? debugfs_create_file+0x37/0x60 [ 89.703969] bdi_register_va.part.0+0x1f4/0x650 [ 89.708618] bdi_register+0x101/0x110 [ 89.712394] ? bdi_register_va+0x80/0x80 [ 89.716434] ? vsnprintf+0x260/0x1340 [ 89.720210] bdi_register_owner+0x59/0xf0 [ 89.724334] device_add_disk+0x5bb/0xdc0 [ 89.728371] ? sprintf+0xa7/0xd0 [ 89.731711] ? blk_alloc_devt+0x310/0x310 [ 89.735836] ? __lockdep_init_map+0x100/0x560 [ 89.740308] ? __lockdep_init_map+0x100/0x560 [ 89.744780] loop_add+0x615/0x830 [ 89.748214] ? loop_queue_rq+0x280/0x280 [ 89.752248] ? loop_queue_work+0x21e0/0x21e0 [ 89.756646] loop_control_ioctl+0x11a/0x3f0 [ 89.760957] ? loop_lookup+0x190/0x190 [ 89.764827] ? SyS_write+0x1b7/0x210 [ 89.768645] ? loop_lookup+0x190/0x190 [ 89.772542] do_vfs_ioctl+0x75a/0xff0 [ 89.776450] ? lock_acquire+0x170/0x3f0 [ 89.780402] ? ioctl_preallocate+0x1a0/0x1a0 [ 89.784790] ? __fget+0x265/0x3e0 [ 89.788341] ? do_vfs_ioctl+0xff0/0xff0 [ 89.792330] ? security_file_ioctl+0x83/0xb0 [ 89.796807] SyS_ioctl+0x7f/0xb0 [ 89.800150] ? do_vfs_ioctl+0xff0/0xff0 [ 89.804108] do_syscall_64+0x1d5/0x640 [ 89.807980] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 89.813179] RIP: 0033:0x7f23b7998ba9 [ 89.818696] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 89.826478] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 89.833730] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 executing program [ 89.840974] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 89.848217] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 89.855463] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 89.919170] FAULT_INJECTION: forcing a failure. [ 89.919170] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 89.930989] CPU: 0 PID: 8626 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 89.938863] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 89.948206] Call Trace: [ 89.950792] dump_stack+0x1b2/0x281 [ 89.954401] should_fail.cold+0x10a/0x149 [ 89.958530] __alloc_pages_nodemask+0x21e/0x2900 [ 89.963268] ? trace_hardirqs_on+0x10/0x10 [ 89.967477] ? lock_acquire+0x170/0x3f0 [ 89.971432] ? __lock_acquire+0x5fc/0x3f20 [ 89.975653] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 89.980475] ? lock_acquire+0x170/0x3f0 [ 89.984424] ? lock_downgrade+0x740/0x740 [ 89.988556] ? do_raw_spin_unlock+0x164/0x220 [ 89.993030] cache_grow_begin+0x91/0x700 [ 89.997072] ? fs_reclaim_release+0xd0/0x110 [ 90.001460] ? check_preemption_disabled+0x35/0x240 [ 90.006455] cache_alloc_refill+0x273/0x350 [ 90.010761] kmem_cache_alloc+0x333/0x3c0 [ 90.014887] alloc_inode+0xa0/0x170 [ 90.018490] new_inode+0x1d/0xf0 [ 90.021834] debugfs_get_inode+0x1a/0x130 [ 90.025956] debugfs_create_dir+0x63/0x420 [ 90.030166] bdi_register_va.part.0+0x1ad/0x650 [ 90.034813] bdi_register+0x101/0x110 [ 90.038591] ? bdi_register_va+0x80/0x80 [ 90.042631] ? vsnprintf+0x260/0x1340 [ 90.046408] bdi_register_owner+0x59/0xf0 [ 90.050532] device_add_disk+0x5bb/0xdc0 [ 90.054569] ? sprintf+0xa7/0xd0 [ 90.057910] ? blk_alloc_devt+0x310/0x310 [ 90.062035] ? __lockdep_init_map+0x100/0x560 [ 90.066509] ? __lockdep_init_map+0x100/0x560 [ 90.070983] loop_add+0x615/0x830 [ 90.074412] ? loop_queue_rq+0x280/0x280 [ 90.078446] ? loop_queue_work+0x21e0/0x21e0 [ 90.082829] loop_control_ioctl+0x11a/0x3f0 [ 90.087123] ? loop_lookup+0x190/0x190 [ 90.090990] ? SyS_write+0x1b7/0x210 [ 90.094686] ? loop_lookup+0x190/0x190 [ 90.098548] do_vfs_ioctl+0x75a/0xff0 [ 90.102325] ? lock_acquire+0x170/0x3f0 [ 90.106274] ? ioctl_preallocate+0x1a0/0x1a0 [ 90.110656] ? __fget+0x265/0x3e0 [ 90.114087] ? do_vfs_ioctl+0xff0/0xff0 [ 90.118038] ? security_file_ioctl+0x83/0xb0 [ 90.122421] SyS_ioctl+0x7f/0xb0 [ 90.125762] ? do_vfs_ioctl+0xff0/0xff0 [ 90.129716] do_syscall_64+0x1d5/0x640 [ 90.133588] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 90.138754] RIP: 0033:0x7f23b7998ba9 [ 90.142441] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 90.150126] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 90.157370] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 executing program [ 90.164614] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 90.171859] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 90.179103] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 90.239193] FAULT_INJECTION: forcing a failure. [ 90.239193] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 90.251019] CPU: 1 PID: 8635 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 90.258897] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 90.268320] Call Trace: [ 90.270894] dump_stack+0x1b2/0x281 [ 90.274504] should_fail.cold+0x10a/0x149 [ 90.278628] __alloc_pages_nodemask+0x21e/0x2900 [ 90.283360] ? trace_hardirqs_on+0x10/0x10 [ 90.287575] ? __lock_acquire+0x5fc/0x3f20 [ 90.291790] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 90.296610] ? lock_acquire+0x170/0x3f0 [ 90.300559] ? lock_downgrade+0x740/0x740 [ 90.304695] ? do_raw_spin_unlock+0x164/0x220 [ 90.309188] cache_grow_begin+0x91/0x700 [ 90.313325] ? fs_reclaim_release+0xd0/0x110 [ 90.317718] ? check_preemption_disabled+0x35/0x240 [ 90.322714] cache_alloc_refill+0x273/0x350 [ 90.327030] kmem_cache_alloc+0x333/0x3c0 [ 90.331168] alloc_inode+0xa0/0x170 [ 90.334775] new_inode+0x1d/0xf0 [ 90.338127] debugfs_get_inode+0x1a/0x130 [ 90.342360] __debugfs_create_file+0x93/0x440 [ 90.346843] ? debugfs_create_file+0x37/0x60 [ 90.351232] bdi_register_va.part.0+0x1f4/0x650 [ 90.355881] bdi_register+0x101/0x110 [ 90.359664] ? bdi_register_va+0x80/0x80 [ 90.363704] ? vsnprintf+0x260/0x1340 [ 90.367496] bdi_register_owner+0x59/0xf0 [ 90.371628] device_add_disk+0x5bb/0xdc0 [ 90.375668] ? sprintf+0xa7/0xd0 [ 90.379009] ? blk_alloc_devt+0x310/0x310 [ 90.383133] ? __lockdep_init_map+0x100/0x560 [ 90.387601] ? __lockdep_init_map+0x100/0x560 [ 90.392074] loop_add+0x615/0x830 [ 90.395505] ? loop_queue_rq+0x280/0x280 [ 90.399540] ? loop_queue_work+0x21e0/0x21e0 [ 90.403926] loop_control_ioctl+0x11a/0x3f0 [ 90.408225] ? loop_lookup+0x190/0x190 [ 90.412088] ? SyS_write+0x1b7/0x210 [ 90.415789] ? loop_lookup+0x190/0x190 [ 90.419666] do_vfs_ioctl+0x75a/0xff0 [ 90.423451] ? lock_acquire+0x170/0x3f0 [ 90.427417] ? ioctl_preallocate+0x1a0/0x1a0 [ 90.431817] ? __fget+0x265/0x3e0 [ 90.435259] ? do_vfs_ioctl+0xff0/0xff0 [ 90.439217] ? security_file_ioctl+0x83/0xb0 [ 90.443608] SyS_ioctl+0x7f/0xb0 [ 90.446952] ? do_vfs_ioctl+0xff0/0xff0 [ 90.450910] do_syscall_64+0x1d5/0x640 [ 90.454777] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 90.459943] RIP: 0033:0x7f23b7998ba9 [ 90.463627] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 90.471311] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 90.478557] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 executing program [ 90.485802] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 90.493047] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 90.500294] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 90.567811] FAULT_INJECTION: forcing a failure. [ 90.567811] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 90.579633] CPU: 0 PID: 8644 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 90.587505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 90.596844] Call Trace: [ 90.599419] dump_stack+0x1b2/0x281 [ 90.603025] should_fail.cold+0x10a/0x149 [ 90.607159] __alloc_pages_nodemask+0x21e/0x2900 [ 90.611895] ? trace_hardirqs_on+0x10/0x10 [ 90.616107] ? lock_acquire+0x170/0x3f0 [ 90.620065] ? __lock_acquire+0x5fc/0x3f20 [ 90.624286] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 90.629108] ? lock_acquire+0x170/0x3f0 [ 90.633058] ? lock_downgrade+0x740/0x740 [ 90.637182] ? do_raw_spin_unlock+0x164/0x220 [ 90.641651] cache_grow_begin+0x91/0x700 [ 90.645687] ? fs_reclaim_release+0xd0/0x110 [ 90.650070] ? check_preemption_disabled+0x35/0x240 [ 90.655060] cache_alloc_refill+0x273/0x350 [ 90.659360] kmem_cache_alloc+0x333/0x3c0 [ 90.663485] alloc_inode+0xa0/0x170 [ 90.667086] new_inode+0x1d/0xf0 [ 90.670440] debugfs_get_inode+0x1a/0x130 [ 90.674565] debugfs_create_dir+0x63/0x420 [ 90.678774] bdi_register_va.part.0+0x1ad/0x650 [ 90.683420] bdi_register+0x101/0x110 [ 90.687197] ? bdi_register_va+0x80/0x80 [ 90.691237] ? vsnprintf+0x260/0x1340 [ 90.695013] bdi_register_owner+0x59/0xf0 [ 90.699140] device_add_disk+0x5bb/0xdc0 [ 90.703175] ? sprintf+0xa7/0xd0 [ 90.706516] ? blk_alloc_devt+0x310/0x310 [ 90.710641] ? __lockdep_init_map+0x100/0x560 [ 90.715113] ? __lockdep_init_map+0x100/0x560 [ 90.719594] loop_add+0x615/0x830 [ 90.723169] ? loop_queue_rq+0x280/0x280 [ 90.727211] ? loop_queue_work+0x21e0/0x21e0 [ 90.731603] loop_control_ioctl+0x11a/0x3f0 [ 90.735908] ? loop_lookup+0x190/0x190 [ 90.739777] ? SyS_write+0x1b7/0x210 [ 90.743470] ? loop_lookup+0x190/0x190 [ 90.747331] do_vfs_ioctl+0x75a/0xff0 [ 90.751109] ? lock_acquire+0x170/0x3f0 [ 90.755060] ? ioctl_preallocate+0x1a0/0x1a0 [ 90.759451] ? __fget+0x265/0x3e0 [ 90.762880] ? do_vfs_ioctl+0xff0/0xff0 [ 90.766840] ? security_file_ioctl+0x83/0xb0 [ 90.771313] SyS_ioctl+0x7f/0xb0 [ 90.774654] ? do_vfs_ioctl+0xff0/0xff0 [ 90.778606] do_syscall_64+0x1d5/0x640 [ 90.782480] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 90.787659] RIP: 0033:0x7f23b7998ba9 [ 90.791346] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 90.799027] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 90.806270] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 executing program [ 90.813523] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 90.820771] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 90.828020] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 90.887679] FAULT_INJECTION: forcing a failure. [ 90.887679] name failslab, interval 1, probability 0, space 0, times 0 [ 90.899126] CPU: 1 PID: 8653 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 90.907001] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 90.916339] Call Trace: [ 90.918907] dump_stack+0x1b2/0x281 [ 90.922516] should_fail.cold+0x10a/0x149 [ 90.926643] should_failslab+0xd6/0x130 [ 90.930597] kmem_cache_alloc+0x28e/0x3c0 [ 90.934721] __d_alloc+0x2a/0xa20 [ 90.938160] ? d_lookup+0x172/0x220 [ 90.941764] d_alloc+0x46/0x240 [ 90.945019] __lookup_hash+0x101/0x270 [ 90.948890] ? __inode_permission+0xcd/0x2f0 [ 90.953274] lookup_one_len+0x279/0x3a0 [ 90.957225] ? lookup_one_len_unlocked+0x410/0x410 [ 90.962148] start_creating+0xb0/0x200 [ 90.966013] __debugfs_create_file+0x4f/0x440 [ 90.970485] ? debugfs_create_file+0x37/0x60 [ 90.974870] bdi_register_va.part.0+0x1f4/0x650 [ 90.979517] bdi_register+0x101/0x110 [ 90.983293] ? bdi_register_va+0x80/0x80 [ 90.987334] ? vsnprintf+0x260/0x1340 [ 90.991149] bdi_register_owner+0x59/0xf0 [ 90.995275] device_add_disk+0x5bb/0xdc0 [ 90.999315] ? sprintf+0xa7/0xd0 [ 91.002654] ? blk_alloc_devt+0x310/0x310 [ 91.006781] ? __lockdep_init_map+0x100/0x560 [ 91.011254] ? __lockdep_init_map+0x100/0x560 [ 91.015727] loop_add+0x615/0x830 [ 91.019153] ? loop_queue_rq+0x280/0x280 [ 91.023193] ? loop_queue_work+0x21e0/0x21e0 [ 91.027589] loop_control_ioctl+0x11a/0x3f0 [ 91.031887] ? loop_lookup+0x190/0x190 [ 91.035758] ? SyS_write+0x1b7/0x210 [ 91.039449] ? loop_lookup+0x190/0x190 [ 91.043314] do_vfs_ioctl+0x75a/0xff0 [ 91.047096] ? lock_acquire+0x170/0x3f0 [ 91.051050] ? ioctl_preallocate+0x1a0/0x1a0 [ 91.055434] ? __fget+0x265/0x3e0 [ 91.058864] ? do_vfs_ioctl+0xff0/0xff0 [ 91.062813] ? security_file_ioctl+0x83/0xb0 [ 91.067195] SyS_ioctl+0x7f/0xb0 [ 91.070536] ? do_vfs_ioctl+0xff0/0xff0 [ 91.074487] do_syscall_64+0x1d5/0x640 [ 91.078359] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 91.083525] RIP: 0033:0x7f23b7998ba9 executing program [ 91.087556] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 91.095242] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 91.102489] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 91.109733] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 91.116976] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 91.124233] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 91.187599] FAULT_INJECTION: forcing a failure. [ 91.187599] name failslab, interval 1, probability 0, space 0, times 0 [ 91.199424] CPU: 1 PID: 8662 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 91.207304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 91.216641] Call Trace: [ 91.219215] dump_stack+0x1b2/0x281 [ 91.222825] should_fail.cold+0x10a/0x149 [ 91.226951] should_failslab+0xd6/0x130 [ 91.230902] kmem_cache_alloc_node_trace+0x25a/0x400 [ 91.235985] __kmalloc_node_track_caller+0x38/0x70 [ 91.240891] __alloc_skb+0x96/0x510 [ 91.244502] kobject_uevent_env+0x882/0xf30 [ 91.248804] device_add+0xa47/0x15c0 [ 91.252496] ? device_is_dependent+0x2a0/0x2a0 [ 91.257054] ? kfree+0x1f0/0x250 [ 91.260398] device_create_groups_vargs+0x1dc/0x250 [ 91.265390] device_create_vargs+0x3a/0x50 [ 91.269603] bdi_register_va.part.0+0x35/0x650 [ 91.274163] bdi_register+0x101/0x110 [ 91.277938] ? bdi_register_va+0x80/0x80 [ 91.281982] ? vsnprintf+0x260/0x1340 [ 91.285768] bdi_register_owner+0x59/0xf0 [ 91.289895] device_add_disk+0x5bb/0xdc0 [ 91.293930] ? sprintf+0xa7/0xd0 [ 91.297278] ? blk_alloc_devt+0x310/0x310 [ 91.301403] ? __lockdep_init_map+0x100/0x560 [ 91.305873] ? __lockdep_init_map+0x100/0x560 [ 91.310348] loop_add+0x615/0x830 [ 91.313863] ? loop_queue_rq+0x280/0x280 [ 91.317895] ? loop_queue_work+0x21e0/0x21e0 [ 91.322288] loop_control_ioctl+0x11a/0x3f0 [ 91.326595] ? loop_lookup+0x190/0x190 [ 91.330457] ? SyS_write+0x1b7/0x210 [ 91.334147] ? loop_lookup+0x190/0x190 [ 91.338008] do_vfs_ioctl+0x75a/0xff0 [ 91.341784] ? lock_acquire+0x170/0x3f0 [ 91.345733] ? ioctl_preallocate+0x1a0/0x1a0 [ 91.350117] ? __fget+0x265/0x3e0 [ 91.353545] ? do_vfs_ioctl+0xff0/0xff0 [ 91.357496] ? security_file_ioctl+0x83/0xb0 [ 91.361880] SyS_ioctl+0x7f/0xb0 [ 91.365230] ? do_vfs_ioctl+0xff0/0xff0 [ 91.369177] do_syscall_64+0x1d5/0x640 [ 91.373044] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 91.378293] RIP: 0033:0x7f23b7998ba9 executing program executing program [ 91.381982] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 91.389666] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 91.396997] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 91.404246] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 91.411492] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 91.418739] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 91.488904] FAULT_INJECTION: forcing a failure. [ 91.488904] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 91.500725] CPU: 1 PID: 8673 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 91.508601] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 91.517941] Call Trace: [ 91.520509] dump_stack+0x1b2/0x281 [ 91.524115] should_fail.cold+0x10a/0x149 [ 91.528241] __alloc_pages_nodemask+0x21e/0x2900 [ 91.533110] ? trace_hardirqs_on+0x10/0x10 [ 91.537346] ? lock_acquire+0x170/0x3f0 [ 91.541306] ? __lock_acquire+0x5fc/0x3f20 [ 91.545525] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 91.550351] ? lock_acquire+0x170/0x3f0 [ 91.554300] ? lock_downgrade+0x740/0x740 [ 91.558424] ? do_raw_spin_unlock+0x164/0x220 [ 91.562896] cache_grow_begin+0x91/0x700 [ 91.566931] ? fs_reclaim_release+0xd0/0x110 [ 91.571331] ? check_preemption_disabled+0x35/0x240 [ 91.576329] cache_alloc_refill+0x273/0x350 [ 91.580628] kmem_cache_alloc+0x333/0x3c0 [ 91.584751] alloc_inode+0xa0/0x170 [ 91.588359] new_inode+0x1d/0xf0 [ 91.591709] debugfs_get_inode+0x1a/0x130 [ 91.595831] debugfs_create_dir+0x63/0x420 [ 91.600044] bdi_register_va.part.0+0x1ad/0x650 [ 91.604690] bdi_register+0x101/0x110 [ 91.608465] ? bdi_register_va+0x80/0x80 [ 91.612502] ? vsnprintf+0x260/0x1340 [ 91.616281] bdi_register_owner+0x59/0xf0 [ 91.620405] device_add_disk+0x5bb/0xdc0 [ 91.624444] ? sprintf+0xa7/0xd0 [ 91.627786] ? blk_alloc_devt+0x310/0x310 [ 91.631912] ? __lockdep_init_map+0x100/0x560 [ 91.636383] ? __lockdep_init_map+0x100/0x560 [ 91.640855] loop_add+0x615/0x830 [ 91.644283] ? loop_queue_rq+0x280/0x280 [ 91.648324] ? loop_queue_work+0x21e0/0x21e0 [ 91.652718] loop_control_ioctl+0x11a/0x3f0 [ 91.657015] ? loop_lookup+0x190/0x190 [ 91.660883] ? SyS_write+0x1b7/0x210 [ 91.664573] ? loop_lookup+0x190/0x190 [ 91.668437] do_vfs_ioctl+0x75a/0xff0 [ 91.672214] ? lock_acquire+0x170/0x3f0 [ 91.676167] ? ioctl_preallocate+0x1a0/0x1a0 [ 91.680556] ? __fget+0x265/0x3e0 [ 91.683984] ? do_vfs_ioctl+0xff0/0xff0 [ 91.687936] ? security_file_ioctl+0x83/0xb0 [ 91.692323] SyS_ioctl+0x7f/0xb0 [ 91.695670] ? do_vfs_ioctl+0xff0/0xff0 [ 91.699622] do_syscall_64+0x1d5/0x640 [ 91.703491] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 91.708659] RIP: 0033:0x7f23b7998ba9 [ 91.712343] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 91.720024] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 91.727268] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 executing program [ 91.734514] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 91.741771] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 91.749028] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 91.807586] FAULT_INJECTION: forcing a failure. [ 91.807586] name failslab, interval 1, probability 0, space 0, times 0 [ 91.819567] CPU: 1 PID: 8682 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 91.827448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 91.836785] Call Trace: [ 91.839359] dump_stack+0x1b2/0x281 [ 91.842963] should_fail.cold+0x10a/0x149 [ 91.847091] should_failslab+0xd6/0x130 [ 91.851043] kmem_cache_alloc+0x28e/0x3c0 [ 91.855167] __d_alloc+0x2a/0xa20 [ 91.858599] ? d_lookup+0x172/0x220 [ 91.862201] d_alloc+0x46/0x240 [ 91.865459] __lookup_hash+0x101/0x270 [ 91.869321] ? __inode_permission+0xcd/0x2f0 [ 91.873714] lookup_one_len+0x279/0x3a0 [ 91.877669] ? lookup_one_len_unlocked+0x410/0x410 [ 91.882573] start_creating+0xb0/0x200 [ 91.886438] __debugfs_create_file+0x4f/0x440 [ 91.890910] ? debugfs_create_file+0x37/0x60 [ 91.895322] bdi_register_va.part.0+0x1f4/0x650 [ 91.899969] bdi_register+0x101/0x110 [ 91.903746] ? bdi_register_va+0x80/0x80 [ 91.907786] ? vsnprintf+0x260/0x1340 [ 91.911565] bdi_register_owner+0x59/0xf0 [ 91.915696] device_add_disk+0x5bb/0xdc0 [ 91.919745] ? sprintf+0xa7/0xd0 [ 91.923099] ? blk_alloc_devt+0x310/0x310 [ 91.927247] ? __lockdep_init_map+0x100/0x560 [ 91.931726] ? __lockdep_init_map+0x100/0x560 [ 91.936211] loop_add+0x615/0x830 [ 91.939644] ? loop_queue_rq+0x280/0x280 [ 91.943684] ? loop_queue_work+0x21e0/0x21e0 [ 91.948070] loop_control_ioctl+0x11a/0x3f0 [ 91.952370] ? loop_lookup+0x190/0x190 [ 91.956235] ? SyS_write+0x1b7/0x210 [ 91.960012] ? loop_lookup+0x190/0x190 [ 91.963876] do_vfs_ioctl+0x75a/0xff0 [ 91.967656] ? lock_acquire+0x170/0x3f0 [ 91.971610] ? ioctl_preallocate+0x1a0/0x1a0 [ 91.975993] ? __fget+0x265/0x3e0 [ 91.979508] ? do_vfs_ioctl+0xff0/0xff0 [ 91.983457] ? security_file_ioctl+0x83/0xb0 [ 91.987845] SyS_ioctl+0x7f/0xb0 [ 91.991184] ? do_vfs_ioctl+0xff0/0xff0 [ 91.995134] do_syscall_64+0x1d5/0x640 [ 91.999009] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 92.004172] RIP: 0033:0x7f23b7998ba9 executing program [ 92.007860] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 92.015544] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 92.022789] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 92.030035] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 92.037279] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 92.044527] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 92.097885] FAULT_INJECTION: forcing a failure. [ 92.097885] name failslab, interval 1, probability 0, space 0, times 0 [ 92.110763] CPU: 0 PID: 8691 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 92.118658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 92.127992] Call Trace: [ 92.130576] dump_stack+0x1b2/0x281 [ 92.134193] should_fail.cold+0x10a/0x149 [ 92.138321] should_failslab+0xd6/0x130 [ 92.142298] kmem_cache_alloc+0x28e/0x3c0 [ 92.146421] alloc_inode+0xa0/0x170 [ 92.150025] new_inode+0x1d/0xf0 [ 92.153368] debugfs_get_inode+0x1a/0x130 [ 92.157491] debugfs_create_dir+0x63/0x420 [ 92.161704] bdi_register_va.part.0+0x1ad/0x650 [ 92.166351] bdi_register+0x101/0x110 [ 92.170127] ? bdi_register_va+0x80/0x80 [ 92.174172] ? vsnprintf+0x260/0x1340 [ 92.177951] bdi_register_owner+0x59/0xf0 [ 92.182077] device_add_disk+0x5bb/0xdc0 [ 92.186116] ? sprintf+0xa7/0xd0 [ 92.189464] ? blk_alloc_devt+0x310/0x310 [ 92.193588] ? __lockdep_init_map+0x100/0x560 [ 92.198059] ? __lockdep_init_map+0x100/0x560 [ 92.202531] loop_add+0x615/0x830 [ 92.205962] ? loop_queue_rq+0x280/0x280 [ 92.210000] ? loop_queue_work+0x21e0/0x21e0 [ 92.214388] loop_control_ioctl+0x11a/0x3f0 [ 92.218933] ? loop_lookup+0x190/0x190 [ 92.222811] ? SyS_write+0x1b7/0x210 [ 92.226516] ? loop_lookup+0x190/0x190 [ 92.230393] do_vfs_ioctl+0x75a/0xff0 [ 92.234176] ? lock_acquire+0x170/0x3f0 [ 92.238130] ? ioctl_preallocate+0x1a0/0x1a0 [ 92.242514] ? __fget+0x265/0x3e0 [ 92.245944] ? do_vfs_ioctl+0xff0/0xff0 [ 92.249893] ? security_file_ioctl+0x83/0xb0 [ 92.254277] SyS_ioctl+0x7f/0xb0 [ 92.257618] ? do_vfs_ioctl+0xff0/0xff0 [ 92.261568] do_syscall_64+0x1d5/0x640 [ 92.265434] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 92.270601] RIP: 0033:0x7f23b7998ba9 [ 92.274286] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 92.281970] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 92.289219] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 executing program [ 92.296463] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 92.303706] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 92.310958] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 92.378845] FAULT_INJECTION: forcing a failure. [ 92.378845] name failslab, interval 1, probability 0, space 0, times 0 [ 92.390369] CPU: 0 PID: 8700 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 92.398280] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 92.407789] Call Trace: [ 92.410361] dump_stack+0x1b2/0x281 [ 92.413966] should_fail.cold+0x10a/0x149 [ 92.418090] should_failslab+0xd6/0x130 [ 92.422042] kmem_cache_alloc+0x28e/0x3c0 [ 92.426172] __d_alloc+0x2a/0xa20 [ 92.429609] ? d_lookup+0x172/0x220 [ 92.433212] d_alloc+0x46/0x240 [ 92.436467] __lookup_hash+0x101/0x270 [ 92.440331] ? __inode_permission+0xcd/0x2f0 [ 92.444713] lookup_one_len+0x279/0x3a0 [ 92.448681] ? lookup_one_len_unlocked+0x410/0x410 [ 92.453608] start_creating+0xb0/0x200 [ 92.457481] __debugfs_create_file+0x4f/0x440 [ 92.461968] ? debugfs_create_file+0x37/0x60 [ 92.468370] bdi_register_va.part.0+0x1f4/0x650 [ 92.473026] bdi_register+0x101/0x110 [ 92.476819] ? bdi_register_va+0x80/0x80 [ 92.480872] ? vsnprintf+0x260/0x1340 [ 92.484666] bdi_register_owner+0x59/0xf0 [ 92.488798] device_add_disk+0x5bb/0xdc0 [ 92.492845] ? sprintf+0xa7/0xd0 [ 92.496200] ? blk_alloc_devt+0x310/0x310 [ 92.500349] ? __lockdep_init_map+0x100/0x560 [ 92.504838] ? __lockdep_init_map+0x100/0x560 [ 92.509323] loop_add+0x615/0x830 [ 92.512762] ? loop_queue_rq+0x280/0x280 [ 92.516800] ? loop_queue_work+0x21e0/0x21e0 [ 92.521186] loop_control_ioctl+0x11a/0x3f0 [ 92.525489] ? loop_lookup+0x190/0x190 [ 92.529352] ? SyS_write+0x1b7/0x210 [ 92.533041] ? loop_lookup+0x190/0x190 [ 92.536904] do_vfs_ioctl+0x75a/0xff0 [ 92.540679] ? lock_acquire+0x170/0x3f0 [ 92.544630] ? ioctl_preallocate+0x1a0/0x1a0 [ 92.549012] ? __fget+0x265/0x3e0 [ 92.552439] ? do_vfs_ioctl+0xff0/0xff0 [ 92.556387] ? security_file_ioctl+0x83/0xb0 [ 92.560773] SyS_ioctl+0x7f/0xb0 [ 92.564113] ? do_vfs_ioctl+0xff0/0xff0 [ 92.568064] do_syscall_64+0x1d5/0x640 [ 92.571929] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 executing program [ 92.577092] RIP: 0033:0x7f23b7998ba9 [ 92.580777] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 92.588458] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 92.595702] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 92.602949] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 92.610193] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 92.617439] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 92.667759] FAULT_INJECTION: forcing a failure. [ 92.667759] name failslab, interval 1, probability 0, space 0, times 0 [ 92.679677] CPU: 1 PID: 8709 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 92.687561] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 92.696897] Call Trace: [ 92.699467] dump_stack+0x1b2/0x281 [ 92.703072] should_fail.cold+0x10a/0x149 [ 92.707198] should_failslab+0xd6/0x130 [ 92.711161] kmem_cache_alloc+0x28e/0x3c0 [ 92.715289] alloc_inode+0xa0/0x170 [ 92.718891] new_inode+0x1d/0xf0 [ 92.722232] debugfs_get_inode+0x1a/0x130 [ 92.726357] debugfs_create_dir+0x63/0x420 [ 92.730571] bdi_register_va.part.0+0x1ad/0x650 [ 92.735219] bdi_register+0x101/0x110 [ 92.738996] ? bdi_register_va+0x80/0x80 [ 92.743034] ? vsnprintf+0x260/0x1340 [ 92.746813] bdi_register_owner+0x59/0xf0 [ 92.750938] device_add_disk+0x5bb/0xdc0 [ 92.754977] ? sprintf+0xa7/0xd0 [ 92.758322] ? blk_alloc_devt+0x310/0x310 [ 92.762450] ? __lockdep_init_map+0x100/0x560 [ 92.766923] ? __lockdep_init_map+0x100/0x560 [ 92.771397] loop_add+0x615/0x830 [ 92.774824] ? loop_queue_rq+0x280/0x280 [ 92.778858] ? loop_queue_work+0x21e0/0x21e0 [ 92.783269] loop_control_ioctl+0x11a/0x3f0 [ 92.787656] ? loop_lookup+0x190/0x190 [ 92.791531] ? SyS_write+0x1b7/0x210 [ 92.795223] ? loop_lookup+0x190/0x190 [ 92.799095] do_vfs_ioctl+0x75a/0xff0 [ 92.802872] ? lock_acquire+0x170/0x3f0 [ 92.806820] ? ioctl_preallocate+0x1a0/0x1a0 [ 92.811204] ? __fget+0x265/0x3e0 [ 92.814632] ? do_vfs_ioctl+0xff0/0xff0 [ 92.818583] ? security_file_ioctl+0x83/0xb0 [ 92.822967] SyS_ioctl+0x7f/0xb0 [ 92.826308] ? do_vfs_ioctl+0xff0/0xff0 [ 92.830272] do_syscall_64+0x1d5/0x640 [ 92.834145] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 92.839314] RIP: 0033:0x7f23b7998ba9 [ 92.843007] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 92.850690] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 92.857935] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 executing program [ 92.865187] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 92.872553] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 92.879804] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 92.947824] FAULT_INJECTION: forcing a failure. [ 92.947824] name failslab, interval 1, probability 0, space 0, times 0 [ 92.960810] CPU: 0 PID: 8718 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 92.968701] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 92.978091] Call Trace: [ 92.980669] dump_stack+0x1b2/0x281 [ 92.984277] should_fail.cold+0x10a/0x149 [ 92.988407] should_failslab+0xd6/0x130 [ 92.992370] kmem_cache_alloc+0x28e/0x3c0 [ 92.996516] alloc_inode+0xa0/0x170 [ 93.000136] new_inode+0x1d/0xf0 [ 93.003485] debugfs_get_inode+0x1a/0x130 [ 93.007614] debugfs_create_dir+0x63/0x420 [ 93.011829] bdi_register_va.part.0+0x1ad/0x650 [ 93.016483] bdi_register+0x101/0x110 [ 93.020266] ? bdi_register_va+0x80/0x80 [ 93.024316] ? vsnprintf+0x260/0x1340 [ 93.028091] bdi_register_owner+0x59/0xf0 [ 93.032226] device_add_disk+0x5bb/0xdc0 [ 93.036266] ? sprintf+0xa7/0xd0 [ 93.039616] ? blk_alloc_devt+0x310/0x310 [ 93.043751] ? __lockdep_init_map+0x100/0x560 [ 93.048227] ? __lockdep_init_map+0x100/0x560 [ 93.052697] loop_add+0x615/0x830 [ 93.056124] ? loop_queue_rq+0x280/0x280 [ 93.060160] ? loop_queue_work+0x21e0/0x21e0 [ 93.064546] loop_control_ioctl+0x11a/0x3f0 [ 93.068847] ? loop_lookup+0x190/0x190 [ 93.072718] ? SyS_write+0x1b7/0x210 [ 93.076407] ? loop_lookup+0x190/0x190 [ 93.080277] do_vfs_ioctl+0x75a/0xff0 [ 93.084052] ? lock_acquire+0x170/0x3f0 [ 93.088008] ? ioctl_preallocate+0x1a0/0x1a0 [ 93.092390] ? __fget+0x265/0x3e0 [ 93.095820] ? do_vfs_ioctl+0xff0/0xff0 [ 93.099771] ? security_file_ioctl+0x83/0xb0 [ 93.104322] SyS_ioctl+0x7f/0xb0 [ 93.107666] ? do_vfs_ioctl+0xff0/0xff0 [ 93.111624] do_syscall_64+0x1d5/0x640 [ 93.115495] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 93.120668] RIP: 0033:0x7f23b7998ba9 [ 93.124361] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 93.132048] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 93.139297] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 executing program [ 93.146542] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 93.153789] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 93.161033] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 93.237430] FAULT_INJECTION: forcing a failure. [ 93.237430] name failslab, interval 1, probability 0, space 0, times 0 [ 93.250234] CPU: 0 PID: 8727 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 93.258121] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 93.267455] Call Trace: [ 93.270026] dump_stack+0x1b2/0x281 [ 93.273635] should_fail.cold+0x10a/0x149 [ 93.277760] should_failslab+0xd6/0x130 [ 93.281710] kmem_cache_alloc+0x28e/0x3c0 [ 93.285834] alloc_inode+0xa0/0x170 [ 93.289435] new_inode+0x1d/0xf0 [ 93.292778] debugfs_get_inode+0x1a/0x130 [ 93.296904] debugfs_create_dir+0x63/0x420 [ 93.301114] bdi_register_va.part.0+0x1ad/0x650 [ 93.305758] bdi_register+0x101/0x110 [ 93.309534] ? bdi_register_va+0x80/0x80 [ 93.313573] ? vsnprintf+0x260/0x1340 [ 93.317365] bdi_register_owner+0x59/0xf0 [ 93.321497] device_add_disk+0x5bb/0xdc0 [ 93.325535] ? sprintf+0xa7/0xd0 [ 93.328876] ? blk_alloc_devt+0x310/0x310 [ 93.332998] ? __lockdep_init_map+0x100/0x560 [ 93.337470] ? __lockdep_init_map+0x100/0x560 [ 93.341941] loop_add+0x615/0x830 [ 93.345372] ? loop_queue_rq+0x280/0x280 [ 93.349405] ? loop_queue_work+0x21e0/0x21e0 [ 93.353788] loop_control_ioctl+0x11a/0x3f0 [ 93.358089] ? loop_lookup+0x190/0x190 [ 93.361951] ? SyS_write+0x1b7/0x210 [ 93.365640] ? loop_lookup+0x190/0x190 [ 93.369500] do_vfs_ioctl+0x75a/0xff0 [ 93.373275] ? lock_acquire+0x170/0x3f0 [ 93.377226] ? ioctl_preallocate+0x1a0/0x1a0 [ 93.381611] ? __fget+0x265/0x3e0 [ 93.385042] ? do_vfs_ioctl+0xff0/0xff0 [ 93.388992] ? security_file_ioctl+0x83/0xb0 [ 93.393383] SyS_ioctl+0x7f/0xb0 [ 93.396724] ? do_vfs_ioctl+0xff0/0xff0 [ 93.400673] do_syscall_64+0x1d5/0x640 [ 93.404539] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 93.409703] RIP: 0033:0x7f23b7998ba9 [ 93.413391] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 93.421077] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 93.428321] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 executing program [ 93.435565] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 93.442814] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 93.450063] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 93.527287] FAULT_INJECTION: forcing a failure. [ 93.527287] name failslab, interval 1, probability 0, space 0, times 0 [ 93.538547] CPU: 1 PID: 8736 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 93.546420] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 93.555754] Call Trace: [ 93.558325] dump_stack+0x1b2/0x281 [ 93.561930] should_fail.cold+0x10a/0x149 [ 93.566057] should_failslab+0xd6/0x130 [ 93.570010] kmem_cache_alloc+0x28e/0x3c0 [ 93.574133] __d_alloc+0x2a/0xa20 [ 93.577562] ? d_lookup+0x172/0x220 [ 93.581175] d_alloc+0x46/0x240 [ 93.584438] __lookup_hash+0x101/0x270 [ 93.588308] ? __inode_permission+0xcd/0x2f0 [ 93.592703] lookup_one_len+0x279/0x3a0 [ 93.596651] ? lookup_one_len_unlocked+0x410/0x410 [ 93.601558] start_creating+0xb0/0x200 [ 93.605423] debugfs_create_dir+0x1f/0x420 [ 93.609635] bdi_register_va.part.0+0x1ad/0x650 [ 93.614283] bdi_register+0x101/0x110 [ 93.618058] ? bdi_register_va+0x80/0x80 [ 93.622103] ? vsnprintf+0x260/0x1340 [ 93.625880] bdi_register_owner+0x59/0xf0 [ 93.630008] device_add_disk+0x5bb/0xdc0 [ 93.634050] ? sprintf+0xa7/0xd0 [ 93.637397] ? blk_alloc_devt+0x310/0x310 [ 93.641521] ? __lockdep_init_map+0x100/0x560 [ 93.645991] ? __lockdep_init_map+0x100/0x560 [ 93.650467] loop_add+0x615/0x830 [ 93.653896] ? loop_queue_rq+0x280/0x280 [ 93.657929] ? loop_queue_work+0x21e0/0x21e0 [ 93.662314] loop_control_ioctl+0x11a/0x3f0 [ 93.666610] ? loop_lookup+0x190/0x190 [ 93.670472] ? SyS_write+0x1b7/0x210 [ 93.674188] ? loop_lookup+0x190/0x190 [ 93.678049] do_vfs_ioctl+0x75a/0xff0 [ 93.681825] ? lock_acquire+0x170/0x3f0 [ 93.685775] ? ioctl_preallocate+0x1a0/0x1a0 [ 93.690162] ? __fget+0x265/0x3e0 [ 93.693594] ? do_vfs_ioctl+0xff0/0xff0 [ 93.697545] ? security_file_ioctl+0x83/0xb0 [ 93.701927] SyS_ioctl+0x7f/0xb0 [ 93.705266] ? do_vfs_ioctl+0xff0/0xff0 [ 93.709221] do_syscall_64+0x1d5/0x640 [ 93.713092] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 93.718264] RIP: 0033:0x7f23b7998ba9 executing program [ 93.721953] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 93.729640] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 93.736883] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 93.744126] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 93.751368] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 93.758705] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 93.808403] FAULT_INJECTION: forcing a failure. [ 93.808403] name failslab, interval 1, probability 0, space 0, times 0 [ 93.820301] CPU: 0 PID: 8745 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 93.828183] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 93.837513] Call Trace: [ 93.840083] dump_stack+0x1b2/0x281 [ 93.843685] should_fail.cold+0x10a/0x149 [ 93.847806] should_failslab+0xd6/0x130 [ 93.851754] kmem_cache_alloc+0x28e/0x3c0 [ 93.855877] __d_alloc+0x2a/0xa20 [ 93.859305] ? d_lookup+0x172/0x220 [ 93.862907] d_alloc+0x46/0x240 [ 93.866160] __lookup_hash+0x101/0x270 [ 93.870035] ? __inode_permission+0xcd/0x2f0 [ 93.874436] lookup_one_len+0x279/0x3a0 [ 93.878421] ? lookup_one_len_unlocked+0x410/0x410 [ 93.883446] start_creating+0xb0/0x200 [ 93.887327] debugfs_create_dir+0x1f/0x420 [ 93.891554] bdi_register_va.part.0+0x1ad/0x650 [ 93.896202] bdi_register+0x101/0x110 [ 93.899976] ? bdi_register_va+0x80/0x80 [ 93.904011] ? vsnprintf+0x260/0x1340 [ 93.907786] bdi_register_owner+0x59/0xf0 [ 93.911908] device_add_disk+0x5bb/0xdc0 [ 93.915943] ? sprintf+0xa7/0xd0 [ 93.919300] ? blk_alloc_devt+0x310/0x310 [ 93.923438] ? __lockdep_init_map+0x100/0x560 [ 93.927923] ? __lockdep_init_map+0x100/0x560 [ 93.932396] loop_add+0x615/0x830 [ 93.935835] ? loop_queue_rq+0x280/0x280 [ 93.939874] ? loop_queue_work+0x21e0/0x21e0 [ 93.944260] loop_control_ioctl+0x11a/0x3f0 [ 93.948552] ? loop_lookup+0x190/0x190 [ 93.952411] ? SyS_write+0x1b7/0x210 [ 93.956098] ? loop_lookup+0x190/0x190 [ 93.960043] do_vfs_ioctl+0x75a/0xff0 [ 93.963816] ? lock_acquire+0x170/0x3f0 [ 93.967761] ? ioctl_preallocate+0x1a0/0x1a0 [ 93.972157] ? __fget+0x265/0x3e0 [ 93.975582] ? do_vfs_ioctl+0xff0/0xff0 [ 93.979531] ? security_file_ioctl+0x83/0xb0 [ 93.983910] SyS_ioctl+0x7f/0xb0 [ 93.987248] ? do_vfs_ioctl+0xff0/0xff0 [ 93.991211] do_syscall_64+0x1d5/0x640 [ 93.995098] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 94.000266] RIP: 0033:0x7f23b7998ba9 executing program [ 94.003949] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 94.011643] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 94.018895] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 94.026140] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 94.033429] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 94.040671] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 94.117441] FAULT_INJECTION: forcing a failure. [ 94.117441] name failslab, interval 1, probability 0, space 0, times 0 [ 94.128926] CPU: 1 PID: 8754 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 94.136803] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 94.146246] Call Trace: [ 94.148818] dump_stack+0x1b2/0x281 [ 94.152434] should_fail.cold+0x10a/0x149 [ 94.156560] should_failslab+0xd6/0x130 [ 94.160518] kmem_cache_alloc+0x28e/0x3c0 [ 94.164671] __d_alloc+0x2a/0xa20 [ 94.168098] ? d_lookup+0x172/0x220 [ 94.171708] d_alloc+0x46/0x240 [ 94.174968] __lookup_hash+0x101/0x270 [ 94.178828] ? __inode_permission+0xcd/0x2f0 [ 94.183221] lookup_one_len+0x279/0x3a0 [ 94.187175] ? lookup_one_len_unlocked+0x410/0x410 [ 94.192088] start_creating+0xb0/0x200 [ 94.195949] __debugfs_create_file+0x4f/0x440 [ 94.200423] ? debugfs_create_file+0x37/0x60 [ 94.204809] bdi_register_va.part.0+0x1f4/0x650 [ 94.209455] bdi_register+0x101/0x110 [ 94.213229] ? bdi_register_va+0x80/0x80 [ 94.217269] ? vsnprintf+0x260/0x1340 [ 94.221046] bdi_register_owner+0x59/0xf0 [ 94.225170] device_add_disk+0x5bb/0xdc0 [ 94.229207] ? sprintf+0xa7/0xd0 [ 94.232557] ? blk_alloc_devt+0x310/0x310 [ 94.236682] ? __lockdep_init_map+0x100/0x560 [ 94.241150] ? __lockdep_init_map+0x100/0x560 [ 94.245623] loop_add+0x615/0x830 [ 94.249050] ? loop_queue_rq+0x280/0x280 [ 94.253082] ? loop_queue_work+0x21e0/0x21e0 [ 94.257482] loop_control_ioctl+0x11a/0x3f0 [ 94.261778] ? loop_lookup+0x190/0x190 [ 94.265665] ? SyS_write+0x1b7/0x210 [ 94.269360] ? loop_lookup+0x190/0x190 [ 94.273224] do_vfs_ioctl+0x75a/0xff0 [ 94.276998] ? lock_acquire+0x170/0x3f0 [ 94.280954] ? ioctl_preallocate+0x1a0/0x1a0 [ 94.285343] ? __fget+0x265/0x3e0 [ 94.288769] ? do_vfs_ioctl+0xff0/0xff0 [ 94.292717] ? security_file_ioctl+0x83/0xb0 [ 94.297097] SyS_ioctl+0x7f/0xb0 [ 94.300435] ? do_vfs_ioctl+0xff0/0xff0 [ 94.304384] do_syscall_64+0x1d5/0x640 [ 94.308252] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 94.313416] RIP: 0033:0x7f23b7998ba9 executing program [ 94.317100] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 94.324785] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 94.332027] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 94.339272] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 94.346514] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 94.353756] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 94.417528] FAULT_INJECTION: forcing a failure. [ 94.417528] name failslab, interval 1, probability 0, space 0, times 0 [ 94.428837] CPU: 1 PID: 8763 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 94.436708] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 94.446037] Call Trace: [ 94.448605] dump_stack+0x1b2/0x281 [ 94.452217] should_fail.cold+0x10a/0x149 [ 94.456341] should_failslab+0xd6/0x130 [ 94.460293] kmem_cache_alloc+0x28e/0x3c0 [ 94.464416] alloc_inode+0xa0/0x170 [ 94.468015] new_inode+0x1d/0xf0 [ 94.471356] debugfs_get_inode+0x1a/0x130 [ 94.475480] debugfs_create_dir+0x63/0x420 [ 94.479692] bdi_register_va.part.0+0x1ad/0x650 [ 94.484353] bdi_register+0x101/0x110 [ 94.488133] ? bdi_register_va+0x80/0x80 [ 94.492178] ? vsnprintf+0x260/0x1340 [ 94.495956] bdi_register_owner+0x59/0xf0 [ 94.500090] device_add_disk+0x5bb/0xdc0 [ 94.504139] ? sprintf+0xa7/0xd0 [ 94.507485] ? blk_alloc_devt+0x310/0x310 [ 94.511616] ? __lockdep_init_map+0x100/0x560 [ 94.516092] ? __lockdep_init_map+0x100/0x560 [ 94.520566] loop_add+0x615/0x830 [ 94.523995] ? loop_queue_rq+0x280/0x280 [ 94.528029] ? loop_queue_work+0x21e0/0x21e0 [ 94.532411] loop_control_ioctl+0x11a/0x3f0 [ 94.536708] ? loop_lookup+0x190/0x190 [ 94.540569] ? SyS_write+0x1b7/0x210 [ 94.544256] ? loop_lookup+0x190/0x190 [ 94.548115] do_vfs_ioctl+0x75a/0xff0 [ 94.551889] ? lock_acquire+0x170/0x3f0 [ 94.555834] ? ioctl_preallocate+0x1a0/0x1a0 [ 94.560219] ? __fget+0x265/0x3e0 [ 94.563652] ? do_vfs_ioctl+0xff0/0xff0 [ 94.567606] ? security_file_ioctl+0x83/0xb0 [ 94.571987] SyS_ioctl+0x7f/0xb0 [ 94.575325] ? do_vfs_ioctl+0xff0/0xff0 [ 94.579274] do_syscall_64+0x1d5/0x640 [ 94.583136] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 94.588297] RIP: 0033:0x7f23b7998ba9 [ 94.591981] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 94.599662] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 94.606904] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 executing program [ 94.614147] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 94.621388] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 94.628630] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 94.678166] FAULT_INJECTION: forcing a failure. [ 94.678166] name failslab, interval 1, probability 0, space 0, times 0 [ 94.689931] CPU: 1 PID: 8772 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 94.697805] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 94.707137] Call Trace: [ 94.709704] dump_stack+0x1b2/0x281 [ 94.713313] should_fail.cold+0x10a/0x149 [ 94.717444] should_failslab+0xd6/0x130 [ 94.721394] kmem_cache_alloc+0x28e/0x3c0 [ 94.725516] __d_alloc+0x2a/0xa20 [ 94.728941] ? d_lookup+0x172/0x220 [ 94.732555] d_alloc+0x46/0x240 [ 94.735823] __lookup_hash+0x101/0x270 [ 94.739695] ? __inode_permission+0xcd/0x2f0 [ 94.744082] lookup_one_len+0x279/0x3a0 [ 94.748046] ? lookup_one_len_unlocked+0x410/0x410 [ 94.752969] start_creating+0xb0/0x200 [ 94.756850] __debugfs_create_file+0x4f/0x440 [ 94.761319] ? debugfs_create_file+0x37/0x60 [ 94.765703] bdi_register_va.part.0+0x1f4/0x650 [ 94.770345] bdi_register+0x101/0x110 [ 94.774121] ? bdi_register_va+0x80/0x80 [ 94.778160] ? vsnprintf+0x260/0x1340 [ 94.781934] bdi_register_owner+0x59/0xf0 [ 94.786055] device_add_disk+0x5bb/0xdc0 [ 94.790089] ? sprintf+0xa7/0xd0 [ 94.793428] ? blk_alloc_devt+0x310/0x310 [ 94.797550] ? __lockdep_init_map+0x100/0x560 [ 94.802015] ? __lockdep_init_map+0x100/0x560 [ 94.806484] loop_add+0x615/0x830 [ 94.809911] ? loop_queue_rq+0x280/0x280 [ 94.813946] ? loop_queue_work+0x21e0/0x21e0 [ 94.818328] loop_control_ioctl+0x11a/0x3f0 [ 94.822626] ? loop_lookup+0x190/0x190 [ 94.826485] ? SyS_write+0x1b7/0x210 [ 94.830174] ? loop_lookup+0x190/0x190 [ 94.834034] do_vfs_ioctl+0x75a/0xff0 [ 94.837810] ? lock_acquire+0x170/0x3f0 [ 94.841757] ? ioctl_preallocate+0x1a0/0x1a0 [ 94.846139] ? __fget+0x265/0x3e0 [ 94.849565] ? do_vfs_ioctl+0xff0/0xff0 [ 94.853514] ? security_file_ioctl+0x83/0xb0 [ 94.857896] SyS_ioctl+0x7f/0xb0 [ 94.861233] ? do_vfs_ioctl+0xff0/0xff0 [ 94.865182] do_syscall_64+0x1d5/0x640 [ 94.869049] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 94.874212] RIP: 0033:0x7f23b7998ba9 executing program [ 94.877895] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 94.885584] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 94.892834] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 94.900095] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 94.907353] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 94.914605] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 94.967566] FAULT_INJECTION: forcing a failure. [ 94.967566] name failslab, interval 1, probability 0, space 0, times 0 [ 94.980334] CPU: 0 PID: 8781 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 94.988217] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 94.997546] Call Trace: [ 95.000119] dump_stack+0x1b2/0x281 [ 95.003722] should_fail.cold+0x10a/0x149 [ 95.007864] should_failslab+0xd6/0x130 [ 95.011825] __kmalloc_track_caller+0x2bc/0x400 [ 95.016468] ? kstrdup_const+0x35/0x60 [ 95.020332] ? __ww_mutex_wakeup_for_backoff+0x210/0x210 [ 95.025757] kstrdup+0x36/0x70 [ 95.028926] kstrdup_const+0x35/0x60 [ 95.032613] kvasprintf_const+0xf1/0x180 [ 95.036682] kobject_set_name_vargs+0x56/0x150 [ 95.041259] dev_set_name+0xa4/0xc0 [ 95.044866] ? device_initialize+0x430/0x430 [ 95.049253] ? blkdev_ioctl+0x1830/0x1830 [ 95.053380] ? disk_release+0x2f0/0x2f0 [ 95.057331] device_add_disk+0x65e/0xdc0 [ 95.061369] ? sprintf+0xa7/0xd0 [ 95.064708] ? blk_alloc_devt+0x310/0x310 [ 95.068842] ? __lockdep_init_map+0x100/0x560 [ 95.073315] ? __lockdep_init_map+0x100/0x560 [ 95.077788] loop_add+0x615/0x830 [ 95.081220] ? loop_queue_rq+0x280/0x280 [ 95.085257] ? loop_queue_work+0x21e0/0x21e0 [ 95.089640] loop_control_ioctl+0x11a/0x3f0 [ 95.093934] ? loop_lookup+0x190/0x190 [ 95.097811] ? SyS_write+0x1b7/0x210 [ 95.101502] ? loop_lookup+0x190/0x190 [ 95.105369] do_vfs_ioctl+0x75a/0xff0 [ 95.109144] ? lock_acquire+0x170/0x3f0 [ 95.113090] ? ioctl_preallocate+0x1a0/0x1a0 [ 95.117474] ? __fget+0x265/0x3e0 [ 95.120901] ? do_vfs_ioctl+0xff0/0xff0 [ 95.124854] ? security_file_ioctl+0x83/0xb0 [ 95.129235] SyS_ioctl+0x7f/0xb0 [ 95.132574] ? do_vfs_ioctl+0xff0/0xff0 [ 95.136521] do_syscall_64+0x1d5/0x640 [ 95.140386] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 95.145553] RIP: 0033:0x7f23b7998ba9 [ 95.149260] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 95.156941] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 95.164185] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 95.171429] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 95.178670] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 95.185916] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 95.194114] ------------[ cut here ]------------ [ 95.198870] kernel BUG at fs/sysfs/group.c:113! [ 95.203635] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 95.208986] Modules linked in: [ 95.212165] CPU: 0 PID: 8781 Comm: syz-executor347 Not tainted 4.14.302-syzkaller #0 [ 95.220025] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 95.229354] task: ffff8880b41b44c0 task.stack: ffff8880981e8000 [ 95.235390] RIP: 0010:internal_create_group+0x55f/0x710 [ 95.240733] RSP: 0018:ffff8880981efb00 EFLAGS: 00010297 [ 95.246083] RAX: ffff8880b41b44c0 RBX: ffff8880b4242da0 RCX: 0000000000000000 [ 95.253323] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8880b4242da0 [ 95.260824] RBP: ffff8880968704c0 R08: ffffffff8b9c5390 R09: 0000000000000000 [ 95.268065] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff88fafbe0 [ 95.275319] R13: ffff888096870708 R14: 0000000000000000 R15: ffff8880b4242dd0 [ 95.282565] FS: 00007f23b794a700(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000 [ 95.290762] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 95.296614] CR2: 00007f23b79d9d50 CR3: 000000009a471000 CR4: 00000000003406f0 [ 95.303857] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 95.311099] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 95.318341] Call Trace: [ 95.320905] blk_register_queue+0xd3/0x350 [ 95.325113] device_add_disk+0x97c/0xdc0 [ 95.329148] ? sprintf+0xa7/0xd0 [ 95.332487] ? blk_alloc_devt+0x310/0x310 [ 95.336608] ? __lockdep_init_map+0x100/0x560 [ 95.341074] ? __lockdep_init_map+0x100/0x560 [ 95.345541] loop_add+0x615/0x830 [ 95.348976] ? loop_queue_rq+0x280/0x280 [ 95.353017] ? loop_queue_work+0x21e0/0x21e0 [ 95.357422] loop_control_ioctl+0x11a/0x3f0 [ 95.361725] ? loop_lookup+0x190/0x190 [ 95.365584] ? SyS_write+0x1b7/0x210 [ 95.369276] ? loop_lookup+0x190/0x190 [ 95.373140] do_vfs_ioctl+0x75a/0xff0 [ 95.376915] ? lock_acquire+0x170/0x3f0 [ 95.380860] ? ioctl_preallocate+0x1a0/0x1a0 [ 95.385240] ? __fget+0x265/0x3e0 [ 95.388665] ? do_vfs_ioctl+0xff0/0xff0 [ 95.392611] ? security_file_ioctl+0x83/0xb0 [ 95.396989] SyS_ioctl+0x7f/0xb0 [ 95.400327] ? do_vfs_ioctl+0xff0/0xff0 [ 95.404277] do_syscall_64+0x1d5/0x640 [ 95.408140] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 95.413302] RIP: 0033:0x7f23b7998ba9 [ 95.416984] RSP: 002b:00007f23b794a2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 95.424687] RAX: ffffffffffffffda RBX: 00007f23b7a214a8 RCX: 00007f23b7998ba9 [ 95.431951] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 95.439192] RBP: 00007f23b7a214a0 R08: 0000000000000002 R09: 0000000000003138 [ 95.446432] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f23b794a300 [ 95.453690] R13: 0000000000000002 R14: 00007f23b794a400 R15: 0000000000022000 [ 95.460941] Code: 48 c1 ea 03 80 3c 02 00 0f 84 9c fd ff ff e8 e9 fe da ff e9 92 fd ff ff e8 df 3d b1 ff 4d 85 f6 0f 85 16 fb ff ff e8 d1 3d b1 ff <0f> 0b e8 ca 3d b1 ff 49 83 fe ef 74 18 e8 bf 3d b1 ff 45 89 f7 [ 95.480004] RIP: internal_create_group+0x55f/0x710 RSP: ffff8880981efb00 [ 95.487625] ---[ end trace baad0b108e6d5736 ]--- [ 95.492381] Kernel panic - not syncing: Fatal exception [ 95.497791] Kernel Offset: disabled [ 95.501399] Rebooting in 86400 seconds..