Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.109' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 27.865606] FAULT_INJECTION: forcing a failure. [ 27.865606] name failslab, interval 1, probability 0, space 0, times 1 [ 27.876997] CPU: 1 PID: 7971 Comm: syz-executor354 Not tainted 4.14.295-syzkaller #0 [ 27.884864] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 27.894196] Call Trace: [ 27.896763] dump_stack+0x1b2/0x281 [ 27.900374] should_fail.cold+0x10a/0x149 [ 27.904503] should_failslab+0xd6/0x130 [ 27.908465] kmem_cache_alloc_node+0x263/0x410 [ 27.913035] __alloc_skb+0x5c/0x510 [ 27.916643] kobject_uevent_env+0x882/0xf30 [ 27.920948] device_add+0xa47/0x15c0 [ 27.924640] ? device_is_dependent+0x2a0/0x2a0 [ 27.929202] ? kfree+0x1f0/0x250 [ 27.932548] device_create_groups_vargs+0x1dc/0x250 [ 27.937548] device_create_vargs+0x3a/0x50 [ 27.941768] bdi_register_va.part.0+0x35/0x650 [ 27.946330] bdi_register+0x101/0x110 [ 27.950113] ? bdi_register_va+0x80/0x80 [ 27.954155] ? vsnprintf+0x260/0x1340 [ 27.957938] bdi_register_owner+0x59/0xf0 [ 27.962066] device_add_disk+0x5bb/0xdc0 [ 27.966109] ? sprintf+0xa7/0xd0 [ 27.969455] ? blk_alloc_devt+0x310/0x310 [ 27.973587] ? __lockdep_init_map+0x100/0x560 [ 27.978061] ? __lockdep_init_map+0x100/0x560 [ 27.982535] loop_add+0x615/0x830 [ 27.985971] ? loop_queue_rq+0x280/0x280 [ 27.990014] ? loop_queue_work+0x21e0/0x21e0 [ 27.994401] ? do_fault_around+0x35e/0x620 [ 27.998614] loop_control_ioctl+0x11a/0x3f0 [ 28.002912] ? loop_lookup+0x190/0x190 [ 28.006777] ? loop_lookup+0x190/0x190 [ 28.010648] do_vfs_ioctl+0x75a/0xff0 [ 28.014427] ? ioctl_preallocate+0x1a0/0x1a0 [ 28.018818] ? vfs_write+0x319/0x4d0 [ 28.022515] ? SyS_write+0x14d/0x210 [ 28.026206] ? security_file_ioctl+0x83/0xb0 [ 28.030594] SyS_ioctl+0x7f/0xb0 [ 28.033943] ? do_vfs_ioctl+0xff0/0xff0 [ 28.037894] do_syscall_64+0x1d5/0x640 [ 28.041764] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 28.046931] RIP: 0033:0x7f137ce9e079 [ 28.050623] RSP: 002b:00007ffda79a5db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 28.058310] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f137ce9e079 executing program [ 28.065557] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 28.072833] RBP: 00007ffda79a5dd0 R08: 0000000000000002 R09: 0000000000000001 [ 28.080081] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 28.087330] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 28.140980] FAULT_INJECTION: forcing a failure. [ 28.140980] name failslab, interval 1, probability 0, space 0, times 0 [ 28.152265] CPU: 0 PID: 7978 Comm: syz-executor354 Not tainted 4.14.295-syzkaller #0 [ 28.160128] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 28.169463] Call Trace: [ 28.172054] dump_stack+0x1b2/0x281 [ 28.175669] should_fail.cold+0x10a/0x149 [ 28.179887] should_failslab+0xd6/0x130 [ 28.183848] kmem_cache_alloc_node+0x263/0x410 [ 28.188416] __alloc_skb+0x5c/0x510 [ 28.192027] kobject_uevent_env+0x882/0xf30 [ 28.196331] device_add+0xa47/0x15c0 [ 28.200023] ? device_is_dependent+0x2a0/0x2a0 [ 28.204590] ? kfree+0x1f0/0x250 [ 28.207933] device_create_groups_vargs+0x1dc/0x250 [ 28.212927] device_create_vargs+0x3a/0x50 [ 28.217143] bdi_register_va.part.0+0x35/0x650 [ 28.221706] bdi_register+0x101/0x110 [ 28.225486] ? bdi_register_va+0x80/0x80 [ 28.229559] ? vsnprintf+0x260/0x1340 [ 28.233345] bdi_register_owner+0x59/0xf0 [ 28.237471] device_add_disk+0x5bb/0xdc0 [ 28.241511] ? sprintf+0xa7/0xd0 [ 28.244857] ? blk_alloc_devt+0x310/0x310 [ 28.248984] ? __lockdep_init_map+0x100/0x560 [ 28.253459] ? __lockdep_init_map+0x100/0x560 [ 28.257941] loop_add+0x615/0x830 [ 28.261371] ? loop_queue_rq+0x280/0x280 [ 28.265408] ? loop_queue_work+0x21e0/0x21e0 [ 28.269796] ? do_fault_around+0x35e/0x620 [ 28.274014] loop_control_ioctl+0x11a/0x3f0 [ 28.278311] ? loop_lookup+0x190/0x190 [ 28.282178] ? loop_lookup+0x190/0x190 [ 28.286050] do_vfs_ioctl+0x75a/0xff0 [ 28.289837] ? ioctl_preallocate+0x1a0/0x1a0 [ 28.294225] ? vfs_write+0x319/0x4d0 [ 28.297918] ? SyS_write+0x14d/0x210 [ 28.301612] ? security_file_ioctl+0x83/0xb0 [ 28.306000] SyS_ioctl+0x7f/0xb0 [ 28.309345] ? do_vfs_ioctl+0xff0/0xff0 [ 28.313299] do_syscall_64+0x1d5/0x640 [ 28.317167] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 28.322335] RIP: 0033:0x7f137ce9e079 [ 28.326020] RSP: 002b:00007ffda79a5db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 28.333706] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f137ce9e079 executing program [ 28.340951] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 28.348201] RBP: 00007ffda79a5dd0 R08: 0000000000000002 R09: 0000000000000001 [ 28.355518] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 28.362771] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 28.421361] FAULT_INJECTION: forcing a failure. [ 28.421361] name failslab, interval 1, probability 0, space 0, times 0 [ 28.432651] CPU: 0 PID: 7985 Comm: syz-executor354 Not tainted 4.14.295-syzkaller #0 [ 28.440521] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 28.449867] Call Trace: [ 28.452444] dump_stack+0x1b2/0x281 [ 28.456053] should_fail.cold+0x10a/0x149 [ 28.460180] should_failslab+0xd6/0x130 [ 28.464137] kmem_cache_alloc_node+0x263/0x410 [ 28.468759] __alloc_skb+0x5c/0x510 [ 28.472367] kobject_uevent_env+0x882/0xf30 [ 28.476672] device_add+0xa47/0x15c0 [ 28.480368] ? device_is_dependent+0x2a0/0x2a0 [ 28.484926] ? kfree+0x1f0/0x250 [ 28.488273] device_create_groups_vargs+0x1dc/0x250 [ 28.493276] device_create_vargs+0x3a/0x50 [ 28.497495] bdi_register_va.part.0+0x35/0x650 [ 28.502077] bdi_register+0x101/0x110 [ 28.505855] ? bdi_register_va+0x80/0x80 [ 28.509901] ? vsnprintf+0x260/0x1340 [ 28.513680] bdi_register_owner+0x59/0xf0 [ 28.517805] device_add_disk+0x5bb/0xdc0 [ 28.521842] ? sprintf+0xa7/0xd0 [ 28.525200] ? blk_alloc_devt+0x310/0x310 [ 28.529334] ? __lockdep_init_map+0x100/0x560 [ 28.533817] ? __lockdep_init_map+0x100/0x560 [ 28.538305] loop_add+0x615/0x830 [ 28.541740] ? loop_queue_rq+0x280/0x280 [ 28.545788] ? loop_queue_work+0x21e0/0x21e0 [ 28.550176] ? do_fault_around+0x35e/0x620 [ 28.554396] loop_control_ioctl+0x11a/0x3f0 [ 28.558699] ? loop_lookup+0x190/0x190 [ 28.562564] ? loop_lookup+0x190/0x190 [ 28.566432] do_vfs_ioctl+0x75a/0xff0 [ 28.570222] ? ioctl_preallocate+0x1a0/0x1a0 [ 28.574618] ? vfs_write+0x319/0x4d0 [ 28.578447] ? SyS_write+0x14d/0x210 [ 28.582140] ? security_file_ioctl+0x83/0xb0 [ 28.586639] SyS_ioctl+0x7f/0xb0 [ 28.590002] ? do_vfs_ioctl+0xff0/0xff0 [ 28.593958] do_syscall_64+0x1d5/0x640 [ 28.597826] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 28.603000] RIP: 0033:0x7f137ce9e079 [ 28.606691] RSP: 002b:00007ffda79a5db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 28.614375] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f137ce9e079 [ 28.621634] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 28.628893] RBP: 00007ffda79a5dd0 R08: 0000000000000002 R09: 0000000000000001 [ 28.636148] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 28.643401] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 executing program [ 28.716920] FAULT_INJECTION: forcing a failure. [ 28.716920] name failslab, interval 1, probability 0, space 0, times 0 [ 28.728601] CPU: 1 PID: 7992 Comm: syz-executor354 Not tainted 4.14.295-syzkaller #0 [ 28.736471] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 28.745804] Call Trace: [ 28.748384] dump_stack+0x1b2/0x281 [ 28.751999] should_fail.cold+0x10a/0x149 [ 28.756132] should_failslab+0xd6/0x130 [ 28.760095] kmem_cache_alloc_node+0x263/0x410 [ 28.764665] __alloc_skb+0x5c/0x510 [ 28.768271] kobject_uevent_env+0x882/0xf30 [ 28.772576] device_add+0xa47/0x15c0 [ 28.776270] ? device_is_dependent+0x2a0/0x2a0 [ 28.780839] ? kfree+0x1f0/0x250 [ 28.784186] device_create_groups_vargs+0x1dc/0x250 [ 28.789182] device_create_vargs+0x3a/0x50 [ 28.793408] bdi_register_va.part.0+0x35/0x650 [ 28.797970] bdi_register+0x101/0x110 [ 28.801752] ? bdi_register_va+0x80/0x80 [ 28.805793] ? vsnprintf+0x260/0x1340 [ 28.809571] bdi_register_owner+0x59/0xf0 [ 28.813697] device_add_disk+0x5bb/0xdc0 [ 28.817735] ? sprintf+0xa7/0xd0 [ 28.821078] ? blk_alloc_devt+0x310/0x310 [ 28.825218] ? __lockdep_init_map+0x100/0x560 [ 28.829696] ? __lockdep_init_map+0x100/0x560 [ 28.834171] loop_add+0x615/0x830 [ 28.837603] ? loop_queue_rq+0x280/0x280 [ 28.841638] ? loop_queue_work+0x21e0/0x21e0 [ 28.846023] ? do_fault_around+0x35e/0x620 [ 28.850234] loop_control_ioctl+0x11a/0x3f0 [ 28.854535] ? loop_lookup+0x190/0x190 [ 28.858402] ? loop_lookup+0x190/0x190 [ 28.862267] do_vfs_ioctl+0x75a/0xff0 [ 28.866052] ? ioctl_preallocate+0x1a0/0x1a0 [ 28.870445] ? vfs_write+0x319/0x4d0 [ 28.874144] ? SyS_write+0x14d/0x210 [ 28.877844] ? security_file_ioctl+0x83/0xb0 [ 28.882234] SyS_ioctl+0x7f/0xb0 [ 28.885578] ? do_vfs_ioctl+0xff0/0xff0 [ 28.889531] do_syscall_64+0x1d5/0x640 [ 28.893409] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 28.898663] RIP: 0033:0x7f137ce9e079 [ 28.902350] RSP: 002b:00007ffda79a5db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 28.910035] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f137ce9e079 executing program [ 28.917290] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 28.924542] RBP: 00007ffda79a5dd0 R08: 0000000000000002 R09: 0000000000000001 [ 28.931789] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 28.939037] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 28.986775] FAULT_INJECTION: forcing a failure. [ 28.986775] name failslab, interval 1, probability 0, space 0, times 0 [ 28.998252] CPU: 1 PID: 7998 Comm: syz-executor354 Not tainted 4.14.295-syzkaller #0 [ 29.006119] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 29.015461] Call Trace: [ 29.018045] dump_stack+0x1b2/0x281 [ 29.021652] should_fail.cold+0x10a/0x149 [ 29.025782] should_failslab+0xd6/0x130 [ 29.029758] kmem_cache_alloc_trace+0x29a/0x3d0 [ 29.034416] ? dev_uevent_filter+0xd0/0xd0 [ 29.038640] kobject_uevent_env+0x20c/0xf30 [ 29.042942] ? wait_for_completion_io+0x10/0x10 [ 29.047603] device_add+0xa47/0x15c0 [ 29.051312] ? device_is_dependent+0x2a0/0x2a0 [ 29.055872] ? kfree+0x1f0/0x250 [ 29.059217] device_create_groups_vargs+0x1dc/0x250 [ 29.064211] device_create_vargs+0x3a/0x50 [ 29.068426] bdi_register_va.part.0+0x35/0x650 [ 29.072988] bdi_register+0x101/0x110 [ 29.076764] ? bdi_register_va+0x80/0x80 [ 29.080805] ? vsnprintf+0x260/0x1340 [ 29.084679] bdi_register_owner+0x59/0xf0 [ 29.088824] device_add_disk+0x5bb/0xdc0 [ 29.092876] ? sprintf+0xa7/0xd0 [ 29.096224] ? blk_alloc_devt+0x310/0x310 [ 29.100351] ? __lockdep_init_map+0x100/0x560 [ 29.104831] ? __lockdep_init_map+0x100/0x560 [ 29.109305] loop_add+0x615/0x830 [ 29.112739] ? loop_queue_rq+0x280/0x280 [ 29.116780] ? loop_queue_work+0x21e0/0x21e0 [ 29.121271] ? do_fault_around+0x35e/0x620 [ 29.125500] loop_control_ioctl+0x11a/0x3f0 [ 29.129805] ? loop_lookup+0x190/0x190 [ 29.133685] ? loop_lookup+0x190/0x190 [ 29.137568] do_vfs_ioctl+0x75a/0xff0 [ 29.141350] ? ioctl_preallocate+0x1a0/0x1a0 [ 29.145743] ? vfs_write+0x319/0x4d0 [ 29.149435] ? SyS_write+0x14d/0x210 [ 29.153129] ? security_file_ioctl+0x83/0xb0 [ 29.157515] SyS_ioctl+0x7f/0xb0 [ 29.160872] ? do_vfs_ioctl+0xff0/0xff0 [ 29.164841] do_syscall_64+0x1d5/0x640 [ 29.168716] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 29.173887] RIP: 0033:0x7f137ce9e079 [ 29.177578] RSP: 002b:00007ffda79a5db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 executing program [ 29.185279] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f137ce9e079 [ 29.192626] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 29.199883] RBP: 00007ffda79a5dd0 R08: 0000000000000002 R09: 0000000000000001 [ 29.207257] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 29.214515] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 29.264563] FAULT_INJECTION: forcing a failure. [ 29.264563] name failslab, interval 1, probability 0, space 0, times 0 [ 29.277603] CPU: 0 PID: 8004 Comm: syz-executor354 Not tainted 4.14.295-syzkaller #0 [ 29.285488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 29.294820] Call Trace: [ 29.297420] dump_stack+0x1b2/0x281 [ 29.301035] should_fail.cold+0x10a/0x149 [ 29.305165] should_failslab+0xd6/0x130 [ 29.309119] kmem_cache_alloc_trace+0x29a/0x3d0 [ 29.313771] ? dev_uevent_filter+0xd0/0xd0 [ 29.317987] kobject_uevent_env+0x20c/0xf30 [ 29.322293] ? wait_for_completion_io+0x10/0x10 [ 29.326948] device_add+0xa47/0x15c0 [ 29.330729] ? device_is_dependent+0x2a0/0x2a0 [ 29.335286] ? kfree+0x1f0/0x250 [ 29.338635] device_create_groups_vargs+0x1dc/0x250 [ 29.343628] device_create_vargs+0x3a/0x50 [ 29.347841] bdi_register_va.part.0+0x35/0x650 [ 29.352398] bdi_register+0x101/0x110 [ 29.356178] ? bdi_register_va+0x80/0x80 [ 29.360233] ? vsnprintf+0x260/0x1340 [ 29.364013] bdi_register_owner+0x59/0xf0 [ 29.368149] device_add_disk+0x5bb/0xdc0 [ 29.372188] ? sprintf+0xa7/0xd0 [ 29.375539] ? blk_alloc_devt+0x310/0x310 [ 29.379693] ? __lockdep_init_map+0x100/0x560 [ 29.384167] ? __lockdep_init_map+0x100/0x560 [ 29.388638] loop_add+0x615/0x830 [ 29.392068] ? loop_queue_rq+0x280/0x280 [ 29.396107] ? loop_queue_work+0x21e0/0x21e0 [ 29.400495] ? do_fault_around+0x35e/0x620 [ 29.404797] loop_control_ioctl+0x11a/0x3f0 [ 29.409105] ? loop_lookup+0x190/0x190 [ 29.412974] ? loop_lookup+0x190/0x190 [ 29.416840] do_vfs_ioctl+0x75a/0xff0 [ 29.420626] ? ioctl_preallocate+0x1a0/0x1a0 [ 29.425023] ? vfs_write+0x319/0x4d0 [ 29.428716] ? SyS_write+0x14d/0x210 [ 29.432407] ? security_file_ioctl+0x83/0xb0 [ 29.436803] SyS_ioctl+0x7f/0xb0 [ 29.440150] ? do_vfs_ioctl+0xff0/0xff0 [ 29.444109] do_syscall_64+0x1d5/0x640 [ 29.447988] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 29.453157] RIP: 0033:0x7f137ce9e079 [ 29.456863] RSP: 002b:00007ffda79a5db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 executing program [ 29.464563] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f137ce9e079 [ 29.471813] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 29.479065] RBP: 00007ffda79a5dd0 R08: 0000000000000002 R09: 0000000000000001 [ 29.486406] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 29.493654] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 29.548003] FAULT_INJECTION: forcing a failure. [ 29.548003] name failslab, interval 1, probability 0, space 0, times 0 [ 29.559275] CPU: 0 PID: 8013 Comm: syz-executor354 Not tainted 4.14.295-syzkaller #0 [ 29.567135] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 29.576466] Call Trace: [ 29.579036] dump_stack+0x1b2/0x281 [ 29.582648] should_fail.cold+0x10a/0x149 [ 29.586776] should_failslab+0xd6/0x130 [ 29.590729] kmem_cache_alloc_trace+0x29a/0x3d0 [ 29.595531] ? dev_uevent_filter+0xd0/0xd0 [ 29.599754] kobject_uevent_env+0x20c/0xf30 [ 29.604176] ? wait_for_completion_io+0x10/0x10 [ 29.608828] device_add+0xa47/0x15c0 [ 29.612527] ? device_is_dependent+0x2a0/0x2a0 [ 29.617175] ? kfree+0x1f0/0x250 [ 29.620521] device_create_groups_vargs+0x1dc/0x250 [ 29.625520] device_create_vargs+0x3a/0x50 [ 29.629733] bdi_register_va.part.0+0x35/0x650 [ 29.634299] bdi_register+0x101/0x110 [ 29.638079] ? bdi_register_va+0x80/0x80 [ 29.642120] ? vsnprintf+0x260/0x1340 [ 29.645909] bdi_register_owner+0x59/0xf0 [ 29.650053] device_add_disk+0x5bb/0xdc0 [ 29.654107] ? sprintf+0xa7/0xd0 [ 29.657461] ? blk_alloc_devt+0x310/0x310 [ 29.661592] ? __lockdep_init_map+0x100/0x560 [ 29.666067] ? __lockdep_init_map+0x100/0x560 [ 29.670545] loop_add+0x615/0x830 [ 29.673978] ? loop_queue_rq+0x280/0x280 [ 29.678017] ? loop_queue_work+0x21e0/0x21e0 [ 29.682404] ? do_fault_around+0x35e/0x620 [ 29.686617] loop_control_ioctl+0x11a/0x3f0 [ 29.690915] ? loop_lookup+0x190/0x190 [ 29.694780] ? loop_lookup+0x190/0x190 [ 29.698644] do_vfs_ioctl+0x75a/0xff0 [ 29.702422] ? ioctl_preallocate+0x1a0/0x1a0 [ 29.706808] ? vfs_write+0x319/0x4d0 [ 29.710499] ? SyS_write+0x14d/0x210 [ 29.714189] ? security_file_ioctl+0x83/0xb0 [ 29.718575] SyS_ioctl+0x7f/0xb0 [ 29.721917] ? do_vfs_ioctl+0xff0/0xff0 [ 29.725870] do_syscall_64+0x1d5/0x640 [ 29.729737] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 29.734905] RIP: 0033:0x7f137ce9e079 [ 29.738596] RSP: 002b:00007ffda79a5db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 29.746293] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f137ce9e079 [ 29.753552] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 29.760803] RBP: 00007ffda79a5dd0 R08: 0000000000000002 R09: 0000000000000001 [ 29.768050] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 29.775304] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 executing program [ 29.849933] FAULT_INJECTION: forcing a failure. [ 29.849933] name failslab, interval 1, probability 0, space 0, times 0 [ 29.861162] CPU: 0 PID: 8019 Comm: syz-executor354 Not tainted 4.14.295-syzkaller #0 [ 29.869024] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 29.878370] Call Trace: [ 29.880947] dump_stack+0x1b2/0x281 [ 29.884553] should_fail.cold+0x10a/0x149 [ 29.888679] should_failslab+0xd6/0x130 [ 29.892637] kmem_cache_alloc_trace+0x29a/0x3d0 [ 29.897287] ? dev_uevent_filter+0xd0/0xd0 [ 29.901501] kobject_uevent_env+0x20c/0xf30 [ 29.905805] ? wait_for_completion_io+0x10/0x10 [ 29.910454] device_add+0xa47/0x15c0 [ 29.914146] ? device_is_dependent+0x2a0/0x2a0 [ 29.918703] ? kfree+0x1f0/0x250 [ 29.922052] device_create_groups_vargs+0x1dc/0x250 [ 29.927053] device_create_vargs+0x3a/0x50 [ 29.931280] bdi_register_va.part.0+0x35/0x650 [ 29.935930] bdi_register+0x101/0x110 [ 29.939709] ? bdi_register_va+0x80/0x80 [ 29.943751] ? vsnprintf+0x260/0x1340 [ 29.947541] bdi_register_owner+0x59/0xf0 [ 29.951675] device_add_disk+0x5bb/0xdc0 [ 29.955715] ? sprintf+0xa7/0xd0 [ 29.959058] ? blk_alloc_devt+0x310/0x310 [ 29.963184] ? __lockdep_init_map+0x100/0x560 [ 29.967655] ? __lockdep_init_map+0x100/0x560 [ 29.972130] loop_add+0x615/0x830 [ 29.975561] ? loop_queue_rq+0x280/0x280 [ 29.979600] ? loop_queue_work+0x21e0/0x21e0 [ 29.983986] ? do_fault_around+0x35e/0x620 [ 29.988199] loop_control_ioctl+0x11a/0x3f0 [ 29.992499] ? loop_lookup+0x190/0x190 [ 29.996452] ? loop_lookup+0x190/0x190 [ 30.000420] do_vfs_ioctl+0x75a/0xff0 [ 30.004319] ? ioctl_preallocate+0x1a0/0x1a0 [ 30.008733] ? vfs_write+0x319/0x4d0 [ 30.012435] ? SyS_write+0x14d/0x210 [ 30.016132] ? security_file_ioctl+0x83/0xb0 [ 30.020523] SyS_ioctl+0x7f/0xb0 [ 30.023865] ? do_vfs_ioctl+0xff0/0xff0 [ 30.027831] do_syscall_64+0x1d5/0x640 [ 30.031707] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 30.036877] RIP: 0033:0x7f137ce9e079 [ 30.040566] RSP: 002b:00007ffda79a5db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 30.048250] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f137ce9e079 [ 30.055502] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 30.062753] RBP: 00007ffda79a5dd0 R08: 0000000000000002 R09: 0000000000000001 [ 30.070001] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 30.077250] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 executing program [ 30.150413] FAULT_INJECTION: forcing a failure. [ 30.150413] name failslab, interval 1, probability 0, space 0, times 0 [ 30.161651] CPU: 0 PID: 8025 Comm: syz-executor354 Not tainted 4.14.295-syzkaller #0 [ 30.169516] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 30.178853] Call Trace: [ 30.181431] dump_stack+0x1b2/0x281 [ 30.185046] should_fail.cold+0x10a/0x149 [ 30.189175] should_failslab+0xd6/0x130 [ 30.193137] kmem_cache_alloc_trace+0x29a/0x3d0 [ 30.197784] ? dev_uevent_filter+0xd0/0xd0 [ 30.201996] kobject_uevent_env+0x20c/0xf30 [ 30.206297] ? wait_for_completion_io+0x10/0x10 [ 30.210957] device_add+0xa47/0x15c0 [ 30.214657] ? device_is_dependent+0x2a0/0x2a0 [ 30.219217] ? kfree+0x1f0/0x250 [ 30.222560] device_create_groups_vargs+0x1dc/0x250 [ 30.227554] device_create_vargs+0x3a/0x50 [ 30.231775] bdi_register_va.part.0+0x35/0x650 [ 30.236334] bdi_register+0x101/0x110 [ 30.240111] ? bdi_register_va+0x80/0x80 [ 30.244179] ? vsnprintf+0x260/0x1340 [ 30.247962] bdi_register_owner+0x59/0xf0 [ 30.252096] device_add_disk+0x5bb/0xdc0 [ 30.256138] ? sprintf+0xa7/0xd0 [ 30.259484] ? blk_alloc_devt+0x310/0x310 [ 30.263611] ? __lockdep_init_map+0x100/0x560 [ 30.268099] ? __lockdep_init_map+0x100/0x560 [ 30.272583] loop_add+0x615/0x830 [ 30.276015] ? loop_queue_rq+0x280/0x280 [ 30.280057] ? loop_queue_work+0x21e0/0x21e0 [ 30.284442] ? do_fault_around+0x35e/0x620 [ 30.288660] loop_control_ioctl+0x11a/0x3f0 [ 30.292959] ? loop_lookup+0x190/0x190 [ 30.296823] ? loop_lookup+0x190/0x190 [ 30.300710] do_vfs_ioctl+0x75a/0xff0 [ 30.304489] ? ioctl_preallocate+0x1a0/0x1a0 [ 30.308875] ? vfs_write+0x319/0x4d0 [ 30.312564] ? SyS_write+0x14d/0x210 [ 30.316253] ? security_file_ioctl+0x83/0xb0 [ 30.320638] SyS_ioctl+0x7f/0xb0 [ 30.323979] ? do_vfs_ioctl+0xff0/0xff0 [ 30.327932] do_syscall_64+0x1d5/0x640 [ 30.331812] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 30.336994] RIP: 0033:0x7f137ce9e079 [ 30.340689] RSP: 002b:00007ffda79a5db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 30.348381] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f137ce9e079 [ 30.355630] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 30.362876] RBP: 00007ffda79a5dd0 R08: 0000000000000002 R09: 0000000000000001 [ 30.370124] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 30.377373] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 executing program [ 30.470667] FAULT_INJECTION: forcing a failure. [ 30.470667] name failslab, interval 1, probability 0, space 0, times 0 [ 30.481920] CPU: 0 PID: 8031 Comm: syz-executor354 Not tainted 4.14.295-syzkaller #0 [ 30.489796] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 30.499134] Call Trace: [ 30.501709] dump_stack+0x1b2/0x281 [ 30.505318] should_fail.cold+0x10a/0x149 [ 30.509446] should_failslab+0xd6/0x130 [ 30.513402] kmem_cache_alloc_trace+0x29a/0x3d0 [ 30.518055] ? dev_uevent_filter+0xd0/0xd0 [ 30.522273] kobject_uevent_env+0x20c/0xf30 [ 30.526576] ? wait_for_completion_io+0x10/0x10 [ 30.531223] device_add+0xa47/0x15c0 [ 30.534914] ? device_is_dependent+0x2a0/0x2a0 [ 30.539474] ? kfree+0x1f0/0x250 [ 30.542824] device_create_groups_vargs+0x1dc/0x250 [ 30.547833] device_create_vargs+0x3a/0x50 [ 30.552051] bdi_register_va.part.0+0x35/0x650 [ 30.556614] bdi_register+0x101/0x110 [ 30.560391] ? bdi_register_va+0x80/0x80 [ 30.564435] ? vsnprintf+0x260/0x1340 [ 30.568215] bdi_register_owner+0x59/0xf0 [ 30.572343] device_add_disk+0x5bb/0xdc0 [ 30.576387] ? sprintf+0xa7/0xd0 [ 30.579728] ? blk_alloc_devt+0x310/0x310 [ 30.583853] ? __lockdep_init_map+0x100/0x560 [ 30.588347] ? __lockdep_init_map+0x100/0x560 [ 30.592950] loop_add+0x615/0x830 [ 30.596392] ? loop_queue_rq+0x280/0x280 [ 30.600433] ? loop_queue_work+0x21e0/0x21e0 [ 30.604822] ? do_fault_around+0x35e/0x620 [ 30.609039] loop_control_ioctl+0x11a/0x3f0 [ 30.613340] ? loop_lookup+0x190/0x190 [ 30.617217] ? loop_lookup+0x190/0x190 [ 30.621105] do_vfs_ioctl+0x75a/0xff0 [ 30.624899] ? ioctl_preallocate+0x1a0/0x1a0 [ 30.629295] ? vfs_write+0x319/0x4d0 [ 30.632991] ? SyS_write+0x14d/0x210 [ 30.636686] ? security_file_ioctl+0x83/0xb0 [ 30.641234] SyS_ioctl+0x7f/0xb0 [ 30.644592] ? do_vfs_ioctl+0xff0/0xff0 [ 30.648551] do_syscall_64+0x1d5/0x640 [ 30.652427] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 30.657606] RIP: 0033:0x7f137ce9e079 [ 30.661307] RSP: 002b:00007ffda79a5db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 executing program [ 30.669008] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f137ce9e079 [ 30.676262] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 30.683521] RBP: 00007ffda79a5dd0 R08: 0000000000000002 R09: 0000000000000001 [ 30.690871] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 30.698123] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 30.749533] FAULT_INJECTION: forcing a failure. [ 30.749533] name failslab, interval 1, probability 0, space 0, times 0 [ 30.760821] CPU: 0 PID: 8037 Comm: syz-executor354 Not tainted 4.14.295-syzkaller #0 [ 30.768695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 30.778042] Call Trace: [ 30.780632] dump_stack+0x1b2/0x281 [ 30.784261] should_fail.cold+0x10a/0x149 [ 30.788402] should_failslab+0xd6/0x130 [ 30.792360] kmem_cache_alloc+0x28e/0x3c0 [ 30.796485] __kernfs_new_node+0x6f/0x470 [ 30.800611] kernfs_new_node+0x7b/0xe0 [ 30.804477] __kernfs_create_file+0x3d/0x320 [ 30.808864] sysfs_add_file_mode_ns+0x1e1/0x450 [ 30.813515] sysfs_merge_group+0xdc/0x200 [ 30.817644] dpm_sysfs_add+0x122/0x1c0 [ 30.821509] device_add+0x977/0x15c0 [ 30.825202] ? device_is_dependent+0x2a0/0x2a0 [ 30.829763] ? kfree+0x1f0/0x250 [ 30.833126] device_create_groups_vargs+0x1dc/0x250 [ 30.838130] device_create_vargs+0x3a/0x50 [ 30.842348] bdi_register_va.part.0+0x35/0x650 [ 30.846910] bdi_register+0x101/0x110 [ 30.850707] ? bdi_register_va+0x80/0x80 [ 30.854768] ? vsnprintf+0x260/0x1340 [ 30.858563] bdi_register_owner+0x59/0xf0 [ 30.862698] device_add_disk+0x5bb/0xdc0 [ 30.866740] ? sprintf+0xa7/0xd0 [ 30.870083] ? blk_alloc_devt+0x310/0x310 [ 30.874208] ? __lockdep_init_map+0x100/0x560 [ 30.878681] ? __lockdep_init_map+0x100/0x560 [ 30.883157] loop_add+0x615/0x830 [ 30.886609] ? loop_queue_rq+0x280/0x280 [ 30.890649] ? loop_queue_work+0x21e0/0x21e0 [ 30.895038] ? do_fault_around+0x35e/0x620 [ 30.899270] loop_control_ioctl+0x11a/0x3f0 [ 30.903585] ? loop_lookup+0x190/0x190 [ 30.907451] ? loop_lookup+0x190/0x190 [ 30.911318] do_vfs_ioctl+0x75a/0xff0 [ 30.915184] ? ioctl_preallocate+0x1a0/0x1a0 [ 30.919576] ? vfs_write+0x319/0x4d0 [ 30.923270] ? SyS_write+0x14d/0x210 [ 30.926969] ? security_file_ioctl+0x83/0xb0 [ 30.931357] SyS_ioctl+0x7f/0xb0 [ 30.934701] ? do_vfs_ioctl+0xff0/0xff0 [ 30.938659] do_syscall_64+0x1d5/0x640 [ 30.942530] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 30.947698] RIP: 0033:0x7f137ce9e079 [ 30.951386] RSP: 002b:00007ffda79a5db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 30.959073] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f137ce9e079 [ 30.966321] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 30.973573] RBP: 00007ffda79a5dd0 R08: 0000000000000002 R09: 0000000000000001 [ 30.980837] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 30.988101] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 31.006314] kasan: CONFIG_KASAN_INLINE enabled [ 31.011097] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 31.018630] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 31.024853] Modules linked in: [ 31.028031] CPU: 0 PID: 8037 Comm: syz-executor354 Not tainted 4.14.295-syzkaller #0 [ 31.035917] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 [ 31.045254] task: ffff8880afe24040 task.stack: ffff8880957f8000 [ 31.051298] RIP: 0010:sysfs_do_create_link_sd+0x56/0x120 [ 31.056726] RSP: 0018:ffff8880957ffb48 EFLAGS: 00010202 [ 31.062067] RAX: dffffc0000000000 RBX: 0000000000000010 RCX: 0000000000004ec3 [ 31.069316] RDX: 0000000000000008 RSI: 0000000000000001 RDI: 0000000000000040 [ 31.076563] RBP: ffffffff87cbcae0 R08: ffffffff8b9c9118 R09: 00000000000400cc [ 31.083920] R10: ffff8880afe248f0 R11: ffff8880afe24040 R12: ffff88809c5af7e0 [ 31.091173] R13: ffffffff87cbcae0 R14: 0000000000000001 R15: ffff8880b022ae9c [ 31.098425] FS: 00005555557e0300(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000 [ 31.106632] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.112490] CR2: 00005583e65ba848 CR3: 00000000a7409000 CR4: 00000000003406f0 [ 31.119737] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 31.126982] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 31.134228] Call Trace: [ 31.136808] sysfs_create_link+0x5f/0xc0 [ 31.140852] device_add_disk+0x9f8/0xdc0 [ 31.144898] ? sprintf+0xa7/0xd0 [ 31.148244] ? blk_alloc_devt+0x310/0x310 [ 31.152378] ? __lockdep_init_map+0x100/0x560 [ 31.156851] ? __lockdep_init_map+0x100/0x560 [ 31.161327] loop_add+0x615/0x830 [ 31.164762] ? loop_queue_rq+0x280/0x280 [ 31.168803] ? loop_queue_work+0x21e0/0x21e0 [ 31.173187] ? do_fault_around+0x35e/0x620 [ 31.177402] loop_control_ioctl+0x11a/0x3f0 [ 31.181700] ? loop_lookup+0x190/0x190 [ 31.185563] ? loop_lookup+0x190/0x190 [ 31.189445] do_vfs_ioctl+0x75a/0xff0 [ 31.193244] ? ioctl_preallocate+0x1a0/0x1a0 [ 31.197648] ? vfs_write+0x319/0x4d0 [ 31.201346] ? SyS_write+0x14d/0x210 [ 31.205036] ? security_file_ioctl+0x83/0xb0 [ 31.209423] SyS_ioctl+0x7f/0xb0 [ 31.212767] ? do_vfs_ioctl+0xff0/0xff0 [ 31.216722] do_syscall_64+0x1d5/0x640 [ 31.220589] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 31.225756] RIP: 0033:0x7f137ce9e079 [ 31.229445] RSP: 002b:00007ffda79a5db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 31.237127] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f137ce9e079 [ 31.244382] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 31.251634] RBP: 00007ffda79a5dd0 R08: 0000000000000002 R09: 0000000000000001 [ 31.258881] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 31.266127] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 31.273385] Code: 84 a1 00 00 00 e8 eb 55 b1 ff 48 c7 c7 20 d3 04 89 e8 0f 6c 80 05 48 8d 7b 30 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 a7 00 00 00 4c 8b 6b 30 4d 85 ed 74 4f e8 b2 [ 31.292488] RIP: sysfs_do_create_link_sd+0x56/0x120 RSP: ffff8880957ffb48 [ 31.299437] ---[ end trace 9035479dfbd24a6a ]--- [ 31.304195] Kernel panic - not syncing: Fatal exception [ 31.309766] Kernel Offset: disabled [ 31.313383] Rebooting in 86400 seconds..