Warning: Permanently added '10.128.0.128' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 28.221481] FAULT_INJECTION: forcing a failure. [ 28.221481] name failslab, interval 1, probability 0, space 0, times 1 [ 28.232894] CPU: 0 PID: 7991 Comm: syz-executor403 Not tainted 4.14.290-syzkaller #0 [ 28.240815] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 28.250155] Call Trace: [ 28.252743] dump_stack+0x1b2/0x281 [ 28.256439] should_fail.cold+0x10a/0x149 [ 28.260675] should_failslab+0xd6/0x130 [ 28.264778] kmem_cache_alloc_trace+0x29a/0x3d0 [ 28.269460] ? dev_uevent_filter+0xd0/0xd0 [ 28.273678] kobject_uevent_env+0x20c/0xf30 [ 28.277990] ? wait_for_completion_io+0x10/0x10 [ 28.282648] device_add+0xa47/0x15c0 [ 28.286341] ? device_is_dependent+0x2a0/0x2a0 [ 28.290905] ? kfree+0x1f0/0x250 [ 28.294277] device_create_groups_vargs+0x1dc/0x250 [ 28.299275] device_create_vargs+0x3a/0x50 [ 28.303489] bdi_register_va.part.0+0x35/0x650 [ 28.308045] bdi_register+0x101/0x110 [ 28.311820] ? bdi_register_va+0x80/0x80 [ 28.315858] ? vsnprintf+0x260/0x1340 [ 28.319637] bdi_register_owner+0x59/0xf0 [ 28.323771] device_add_disk+0x5bb/0xdc0 [ 28.327814] ? sprintf+0xa7/0xd0 [ 28.331157] ? blk_alloc_devt+0x310/0x310 [ 28.335284] ? __lockdep_init_map+0x100/0x560 [ 28.339755] ? __lockdep_init_map+0x100/0x560 [ 28.344263] loop_add+0x615/0x830 [ 28.347700] ? loop_queue_rq+0x280/0x280 [ 28.351746] ? loop_queue_work+0x21e0/0x21e0 [ 28.356146] ? do_fault_around+0x35e/0x620 [ 28.360369] loop_control_ioctl+0x11a/0x3f0 [ 28.364684] ? loop_lookup+0x190/0x190 [ 28.368552] ? loop_lookup+0x190/0x190 [ 28.372417] do_vfs_ioctl+0x75a/0xff0 [ 28.376205] ? ioctl_preallocate+0x1a0/0x1a0 [ 28.380593] ? vfs_write+0x319/0x4d0 [ 28.384286] ? SyS_write+0x14d/0x210 [ 28.388065] ? security_file_ioctl+0x83/0xb0 [ 28.392458] SyS_ioctl+0x7f/0xb0 [ 28.395802] ? do_vfs_ioctl+0xff0/0xff0 [ 28.399751] do_syscall_64+0x1d5/0x640 [ 28.403620] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 28.408873] RIP: 0033:0x7f2fb4bde079 [ 28.412576] RSP: 002b:00007ffc89d2b928 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 28.420283] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2fb4bde079 [ 28.427531] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 28.434853] RBP: 00007ffc89d2b940 R08: 0000000000000002 R09: 0000000000000001 [ 28.442111] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 28.449361] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 executing program [ 28.520199] FAULT_INJECTION: forcing a failure. [ 28.520199] name failslab, interval 1, probability 0, space 0, times 0 [ 28.531495] CPU: 1 PID: 7998 Comm: syz-executor403 Not tainted 4.14.290-syzkaller #0 [ 28.539371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 28.548792] Call Trace: [ 28.551384] dump_stack+0x1b2/0x281 [ 28.554995] should_fail.cold+0x10a/0x149 [ 28.559124] should_failslab+0xd6/0x130 [ 28.563084] kmem_cache_alloc_trace+0x29a/0x3d0 [ 28.567733] ? dev_uevent_filter+0xd0/0xd0 [ 28.571958] kobject_uevent_env+0x20c/0xf30 [ 28.576280] ? wait_for_completion_io+0x10/0x10 [ 28.580952] device_add+0xa47/0x15c0 [ 28.584740] ? device_is_dependent+0x2a0/0x2a0 [ 28.589426] ? kfree+0x1f0/0x250 [ 28.592799] device_create_groups_vargs+0x1dc/0x250 [ 28.597801] device_create_vargs+0x3a/0x50 [ 28.602033] bdi_register_va.part.0+0x35/0x650 [ 28.606608] bdi_register+0x101/0x110 [ 28.610403] ? bdi_register_va+0x80/0x80 [ 28.614515] ? vsnprintf+0x260/0x1340 [ 28.618303] bdi_register_owner+0x59/0xf0 [ 28.622429] device_add_disk+0x5bb/0xdc0 [ 28.626501] ? sprintf+0xa7/0xd0 [ 28.629863] ? blk_alloc_devt+0x310/0x310 [ 28.634118] ? __lockdep_init_map+0x100/0x560 [ 28.638599] ? __lockdep_init_map+0x100/0x560 [ 28.643083] loop_add+0x615/0x830 [ 28.646530] ? loop_queue_rq+0x280/0x280 [ 28.650576] ? loop_queue_work+0x21e0/0x21e0 [ 28.654965] ? do_fault_around+0x35e/0x620 [ 28.659179] loop_control_ioctl+0x11a/0x3f0 [ 28.663480] ? loop_lookup+0x190/0x190 [ 28.667348] ? loop_lookup+0x190/0x190 [ 28.671215] do_vfs_ioctl+0x75a/0xff0 [ 28.674994] ? ioctl_preallocate+0x1a0/0x1a0 [ 28.679519] ? vfs_write+0x319/0x4d0 [ 28.683216] ? SyS_write+0x14d/0x210 [ 28.686910] ? security_file_ioctl+0x83/0xb0 [ 28.691301] SyS_ioctl+0x7f/0xb0 [ 28.694651] ? do_vfs_ioctl+0xff0/0xff0 [ 28.698614] do_syscall_64+0x1d5/0x640 [ 28.702493] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 28.707674] RIP: 0033:0x7f2fb4bde079 [ 28.711367] RSP: 002b:00007ffc89d2b928 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 executing program [ 28.719062] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2fb4bde079 [ 28.726422] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 28.733684] RBP: 00007ffc89d2b940 R08: 0000000000000002 R09: 0000000000000001 [ 28.740940] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 28.748596] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 28.785538] FAULT_INJECTION: forcing a failure. [ 28.785538] name failslab, interval 1, probability 0, space 0, times 0 [ 28.797327] CPU: 0 PID: 8001 Comm: syz-executor403 Not tainted 4.14.290-syzkaller #0 [ 28.805212] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 28.814571] Call Trace: [ 28.817149] dump_stack+0x1b2/0x281 [ 28.820770] should_fail.cold+0x10a/0x149 [ 28.824905] should_failslab+0xd6/0x130 [ 28.828886] kmem_cache_alloc+0x28e/0x3c0 [ 28.833017] __kernfs_new_node+0x6f/0x470 [ 28.837158] kernfs_new_node+0x7b/0xe0 [ 28.841113] __kernfs_create_file+0x3d/0x320 [ 28.845495] sysfs_add_file_mode_ns+0x1e1/0x450 [ 28.850160] sysfs_merge_group+0xdc/0x200 [ 28.854308] dpm_sysfs_add+0x122/0x1c0 [ 28.858183] device_add+0x977/0x15c0 [ 28.861968] ? device_is_dependent+0x2a0/0x2a0 [ 28.866536] ? kfree+0x1f0/0x250 [ 28.869887] device_create_groups_vargs+0x1dc/0x250 [ 28.874881] device_create_vargs+0x3a/0x50 [ 28.879102] bdi_register_va.part.0+0x35/0x650 [ 28.883690] bdi_register+0x101/0x110 [ 28.887483] ? bdi_register_va+0x80/0x80 [ 28.891527] ? vsnprintf+0x260/0x1340 [ 28.895325] bdi_register_owner+0x59/0xf0 [ 28.899483] device_add_disk+0x5bb/0xdc0 [ 28.903540] ? sprintf+0xa7/0xd0 [ 28.907076] ? blk_alloc_devt+0x310/0x310 [ 28.911209] ? __lockdep_init_map+0x100/0x560 [ 28.915704] ? __lockdep_init_map+0x100/0x560 [ 28.920190] loop_add+0x615/0x830 [ 28.923631] ? loop_queue_rq+0x280/0x280 [ 28.927803] ? loop_queue_work+0x21e0/0x21e0 [ 28.932210] ? do_fault_around+0x35e/0x620 [ 28.936422] loop_control_ioctl+0x11a/0x3f0 [ 28.940725] ? loop_lookup+0x190/0x190 [ 28.944592] ? loop_lookup+0x190/0x190 [ 28.948460] do_vfs_ioctl+0x75a/0xff0 [ 28.952273] ? ioctl_preallocate+0x1a0/0x1a0 [ 28.956664] ? vfs_write+0x319/0x4d0 [ 28.960357] ? SyS_write+0x14d/0x210 [ 28.964050] ? security_file_ioctl+0x83/0xb0 [ 28.968457] SyS_ioctl+0x7f/0xb0 [ 28.971800] ? do_vfs_ioctl+0xff0/0xff0 [ 28.975759] do_syscall_64+0x1d5/0x640 [ 28.979631] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 28.984895] RIP: 0033:0x7f2fb4bde079 [ 28.988592] RSP: 002b:00007ffc89d2b928 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 28.996461] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2fb4bde079 [ 29.003729] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 29.011151] RBP: 00007ffc89d2b940 R08: 0000000000000002 R09: 0000000000000001 [ 29.018489] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 29.025744] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 29.037563] kasan: CONFIG_KASAN_INLINE enabled [ 29.042324] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 29.049872] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 29.056100] Modules linked in: [ 29.059288] CPU: 0 PID: 8001 Comm: syz-executor403 Not tainted 4.14.290-syzkaller #0 [ 29.067156] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 29.076496] task: ffff8880b483c2c0 task.stack: ffff8880b3ad8000 [ 29.082535] RIP: 0010:sysfs_do_create_link_sd+0x56/0x120 [ 29.087960] RSP: 0018:ffff8880b3adfb48 EFLAGS: 00010202 [ 29.093297] RAX: dffffc0000000000 RBX: 0000000000000010 RCX: 0000000000001e7d [ 29.100630] RDX: 0000000000000008 RSI: 0000000000000001 RDI: 0000000000000040 [ 29.107879] RBP: ffffffff87cbc860 R08: ffffffff8b9afee8 R09: 00000000000400cc [ 29.115300] R10: ffff8880b483cb70 R11: ffff8880b483c2c0 R12: ffff8880af34c0e0 [ 29.122547] R13: ffffffff87cbc860 R14: 0000000000000001 R15: ffff8880b2f6ac1c [ 29.130360] FS: 0000555555ef3300(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000 [ 29.138591] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 29.144454] CR2: 00007f2fb4c36144 CR3: 00000000b439d000 CR4: 00000000003406f0 [ 29.151792] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 29.159041] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 29.166285] Call Trace: [ 29.168857] sysfs_create_link+0x5f/0xc0 [ 29.172929] device_add_disk+0x9f8/0xdc0 [ 29.176972] ? sprintf+0xa7/0xd0 [ 29.180322] ? blk_alloc_devt+0x310/0x310 [ 29.184448] ? __lockdep_init_map+0x100/0x560 [ 29.188921] ? __lockdep_init_map+0x100/0x560 [ 29.193421] loop_add+0x615/0x830 [ 29.196852] ? loop_queue_rq+0x280/0x280 [ 29.200903] ? loop_queue_work+0x21e0/0x21e0 [ 29.205317] ? do_fault_around+0x35e/0x620 [ 29.209566] loop_control_ioctl+0x11a/0x3f0 [ 29.213872] ? loop_lookup+0x190/0x190 [ 29.217743] ? loop_lookup+0x190/0x190 [ 29.221611] do_vfs_ioctl+0x75a/0xff0 [ 29.225394] ? ioctl_preallocate+0x1a0/0x1a0 [ 29.229780] ? vfs_write+0x319/0x4d0 [ 29.233470] ? SyS_write+0x14d/0x210 [ 29.237161] ? security_file_ioctl+0x83/0xb0 [ 29.241545] SyS_ioctl+0x7f/0xb0 [ 29.244902] ? do_vfs_ioctl+0xff0/0xff0 [ 29.248855] do_syscall_64+0x1d5/0x640 [ 29.252720] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 29.257891] RIP: 0033:0x7f2fb4bde079 [ 29.261581] RSP: 002b:00007ffc89d2b928 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 29.269263] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2fb4bde079 [ 29.276509] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 29.283757] RBP: 00007ffc89d2b940 R08: 0000000000000002 R09: 0000000000000001 [ 29.291005] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 29.298253] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 29.306221] Code: 84 a1 00 00 00 e8 8b 5e b1 ff 48 c7 c7 e0 d1 04 89 e8 0f 13 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 52 [ 29.325290] RIP: sysfs_do_create_link_sd+0x56/0x120 RSP: ffff8880b3adfb48 [ 29.332238] ---[ end trace 9677828e0c7a716e ]--- [ 29.337002] Kernel panic - not syncing: Fatal exception [ 29.342417] Kernel Offset: disabled [ 29.346034] Rebooting in 86400 seconds..