Warning: Permanently added '10.128.0.66' (ECDSA) to the list of known hosts. executing program executing program [ 563.202501] print_req_error: I/O error, dev loop0, sector 2 [ 563.208663] vxfs: unable to read disk superblock at 1 [ 563.214225] print_req_error: I/O error, dev loop0, sector 16 [ 563.220623] vxfs: unable to read disk superblock at 8 [ 563.225813] vxfs: can't find superblock. executing program [ 563.301073] print_req_error: I/O error, dev loop0, sector 2 [ 563.306952] vxfs: unable to read disk superblock at 1 [ 563.313102] print_req_error: I/O error, dev loop0, sector 16 [ 563.319679] vxfs: unable to read disk superblock at 8 [ 563.325452] vxfs: can't find superblock. executing program [ 563.412824] print_req_error: I/O error, dev loop0, sector 2 [ 563.418772] vxfs: unable to read disk superblock at 1 [ 563.424536] print_req_error: I/O error, dev loop0, sector 16 [ 563.430589] vxfs: unable to read disk superblock at 8 [ 563.435828] vxfs: can't find superblock. executing program [ 563.519795] print_req_error: I/O error, dev loop0, sector 2 [ 563.525781] vxfs: unable to read disk superblock at 1 [ 563.533048] print_req_error: I/O error, dev loop0, sector 16 [ 563.538918] vxfs: unable to read disk superblock at 8 [ 563.544728] vxfs: can't find superblock. executing program [ 563.630643] print_req_error: I/O error, dev loop0, sector 2 [ 563.636475] vxfs: unable to read disk superblock at 1 [ 563.643240] print_req_error: I/O error, dev loop0, sector 16 [ 563.649207] vxfs: unable to read disk superblock at 8 [ 563.655122] vxfs: can't find superblock. [ 563.745347] vxfs: unable to read disk superblock at 1 [ 563.751152] vxfs: unable to read disk superblock at 8 [ 563.756455] vxfs: can't find superblock. executing program executing program [ 563.844276] vxfs: unable to read disk superblock at 1 [ 563.850344] vxfs: unable to read disk superblock at 8 [ 563.855557] vxfs: can't find superblock. executing program [ 563.935152] vxfs: unable to read disk superblock at 1 [ 563.941888] vxfs: unable to read disk superblock at 8 [ 563.947112] vxfs: can't find superblock. executing program [ 564.010109] vxfs: unable to read disk superblock at 1 [ 564.015595] vxfs: unable to read disk superblock at 8 [ 564.022362] vxfs: can't find superblock. [ 564.065345] vxfs: WRONG superblock magic 00000000 at 1 [ 564.070971] vxfs: WRONG superblock magic 00000000 at 8 [ 564.076274] vxfs: can't find superblock. executing program executing program [ 564.180154] vxfs: unable to read disk superblock at 1 [ 564.188630] vxfs: unable to read disk superblock at 8 [ 564.195127] vxfs: can't find superblock. executing program [ 564.265946] vxfs: unable to read disk superblock at 1 [ 564.272208] vxfs: unable to read disk superblock at 8 [ 564.277427] vxfs: can't find superblock. [ 564.304495] vxfs: WRONG superblock magic 00000000 at 1 [ 564.310121] vxfs: WRONG superblock magic 00000000 at 8 [ 564.315495] vxfs: can't find superblock. executing program executing program [ 564.404720] vxfs: WRONG superblock magic 00000000 at 1 [ 564.410496] vxfs: WRONG superblock magic 00000000 at 8 [ 564.415784] vxfs: can't find superblock. executing program [ 564.530293] vxfs: unable to read disk superblock at 1 [ 564.535773] vxfs: unable to read disk superblock at 8 [ 564.542203] vxfs: can't find superblock. [ 564.620090] vxfs: unable to read disk superblock at 1 [ 564.625547] vxfs: unable to read disk superblock at 8 [ 564.632092] vxfs: can't find superblock. executing program executing program [ 564.730736] vxfs: unable to read disk superblock at 1 [ 564.736174] vxfs: unable to read disk superblock at 8 [ 564.742318] vxfs: can't find superblock. executing program [ 564.821197] vxfs: unable to read disk superblock at 1 [ 564.827029] vxfs: unable to read disk superblock at 8 [ 564.833605] vxfs: can't find superblock. executing program [ 564.890219] vxfs: unable to read disk superblock at 1 [ 564.898521] vxfs: unable to read disk superblock at 8 [ 564.905457] vxfs: can't find superblock. [ 564.986092] vxfs: unable to read disk superblock at 1 [ 564.991497] vxfs: unable to read disk superblock at 8 [ 564.996694] vxfs: can't find superblock. executing program [ 565.083190] vxfs: unable to read disk superblock at 1 [ 565.088678] vxfs: unable to read disk superblock at 8 [ 565.094936] vxfs: can't find superblock. executing program executing program [ 565.190171] vxfs: unable to read disk superblock at 1 [ 565.195661] vxfs: unable to read disk superblock at 8 [ 565.202230] vxfs: can't find superblock. executing program [ 565.269324] vxfs: unable to read disk superblock at 1 [ 565.275326] vxfs: unable to read disk superblock at 8 [ 565.281745] vxfs: can't find superblock. [ 565.329788] vxfs: unable to read disk superblock at 1 [ 565.335153] vxfs: unable to read disk superblock at 8 [ 565.341297] vxfs: can't find superblock. executing program [ 565.422187] vxfs: unable to read disk superblock at 1 [ 565.428050] vxfs: unable to read disk superblock at 8 [ 565.433932] vxfs: can't find superblock. executing program executing program [ 565.530909] vxfs: unable to read disk superblock at 1 [ 565.536640] vxfs: unable to read disk superblock at 8 [ 565.542346] vxfs: can't find superblock. executing program [ 565.624486] vxfs: unable to read disk superblock at 1 [ 565.630572] vxfs: unable to read disk superblock at 8 [ 565.635770] vxfs: can't find superblock. executing program [ 565.710189] vxfs: unable to read disk superblock at 1 [ 565.715616] vxfs: unable to read disk superblock at 8 [ 565.722327] vxfs: can't find superblock. executing program [ 565.800177] vxfs: unable to read disk superblock at 1 [ 565.805814] vxfs: unable to read disk superblock at 8 [ 565.812376] vxfs: can't find superblock. executing program [ 565.879458] vxfs: unable to read disk superblock at 1 [ 565.884953] vxfs: unable to read disk superblock at 8 [ 565.890691] vxfs: can't find superblock. executing program [ 565.960151] vxfs: unable to read disk superblock at 1 [ 565.965805] vxfs: unable to read disk superblock at 8 [ 565.972278] vxfs: can't find superblock. [ 566.050101] vxfs: unable to read disk superblock at 1 [ 566.055469] vxfs: unable to read disk superblock at 8 [ 566.062055] vxfs: can't find superblock. executing program executing program [ 566.147911] vxfs: unable to read disk superblock at 1 [ 566.153898] vxfs: unable to read disk superblock at 8 [ 566.159855] vxfs: can't find superblock. executing program [ 566.244808] vxfs: unable to read disk superblock at 1 [ 566.250321] vxfs: unable to read disk superblock at 8 [ 566.255578] vxfs: can't find superblock. executing program [ 566.329789] vxfs: unable to read disk superblock at 1 [ 566.338613] vxfs: unable to read disk superblock at 8 [ 566.345397] vxfs: can't find superblock. executing program [ 566.420350] vxfs: unable to read disk superblock at 1 [ 566.425919] vxfs: unable to read disk superblock at 8 [ 566.432613] vxfs: can't find superblock. executing program [ 566.509955] vxfs: unable to read disk superblock at 1 [ 566.515387] vxfs: unable to read disk superblock at 8 [ 566.521640] vxfs: can't find superblock. executing program [ 566.600105] vxfs: unable to read disk superblock at 1 [ 566.605541] vxfs: unable to read disk superblock at 8 [ 566.612113] vxfs: can't find superblock. executing program [ 566.669947] vxfs: unable to read disk superblock at 1 [ 566.678194] vxfs: unable to read disk superblock at 8 [ 566.684883] vxfs: can't find superblock. [ 566.724543] vxfs: WRONG superblock magic 00000000 at 1 [ 566.730218] vxfs: WRONG superblock magic 00000000 at 8 [ 566.735518] vxfs: can't find superblock. executing program executing program [ 566.859827] vxfs: unable to read disk superblock at 1 [ 566.865236] vxfs: unable to read disk superblock at 8 [ 566.870560] vxfs: can't find superblock. executing program [ 566.940738] vxfs: unable to read disk superblock at 1 [ 566.946424] vxfs: unable to read disk superblock at 8 [ 566.953042] vxfs: can't find superblock. executing program [ 567.032676] vxfs: unable to read disk superblock at 1 [ 567.038156] vxfs: unable to read disk superblock at 8 [ 567.043755] vxfs: can't find superblock. executing program [ 567.099660] vxfs: unable to read disk superblock at 1 [ 567.105077] vxfs: unable to read disk superblock at 8 [ 567.111055] vxfs: can't find superblock. executing program [ 567.184855] vxfs: unable to read disk superblock at 1 [ 567.191267] vxfs: unable to read disk superblock at 8 [ 567.196571] vxfs: can't find superblock. [ 567.271202] vxfs: unable to read disk superblock at 1 [ 567.276792] vxfs: unable to read disk superblock at 8 [ 567.282521] vxfs: can't find superblock. executing program executing program [ 567.372249] vxfs: unable to read disk superblock at 1 [ 567.378016] vxfs: unable to read disk superblock at 8 [ 567.384354] vxfs: can't find superblock. [ 567.424734] vxfs: WRONG superblock magic 00000000 at 1 [ 567.430454] vxfs: WRONG superblock magic 00000000 at 8 [ 567.435752] vxfs: can't find superblock. executing program executing program [ 567.565999] vxfs: unable to read disk superblock at 1 [ 567.571624] vxfs: unable to read disk superblock at 8 [ 567.576836] vxfs: can't find superblock. [ 567.653236] vxfs: unable to read disk superblock at 1 [ 567.658815] vxfs: unable to read disk superblock at 8 [ 567.664066] vxfs: can't find superblock. executing program [ 567.760064] vxfs: unable to read disk superblock at 1 [ 567.765542] vxfs: unable to read disk superblock at 8 [ 567.771515] vxfs: can't find superblock. executing program executing program [ 567.860323] vxfs: unable to read disk superblock at 1 [ 567.865760] vxfs: unable to read disk superblock at 8 [ 567.871193] vxfs: can't find superblock. executing program [ 567.950046] vxfs: unable to read disk superblock at 1 [ 567.955885] vxfs: unable to read disk superblock at 8 [ 567.962546] vxfs: can't find superblock. executing program [ 568.044146] vxfs: unable to read disk superblock at 1 [ 568.049809] vxfs: unable to read disk superblock at 8 [ 568.055006] vxfs: can't find superblock. executing program [ 568.129791] vxfs: unable to read disk superblock at 1 [ 568.138160] vxfs: unable to read disk superblock at 8 [ 568.144902] vxfs: can't find superblock. [ 568.174544] vxfs: WRONG superblock magic 00000000 at 1 [ 568.180263] vxfs: WRONG superblock magic 00000000 at 8 [ 568.185562] vxfs: can't find superblock. executing program executing program [ 568.301196] print_req_error: 90 callbacks suppressed [ 568.301206] print_req_error: I/O error, dev loop0, sector 2 [ 568.312757] vxfs: unable to read disk superblock at 1 [ 568.318328] print_req_error: I/O error, dev loop0, sector 16 [ 568.324750] vxfs: unable to read disk superblock at 8 [ 568.330230] vxfs: can't find superblock. executing program [ 568.399799] print_req_error: I/O error, dev loop0, sector 2 [ 568.405631] vxfs: unable to read disk superblock at 1 [ 568.412512] print_req_error: I/O error, dev loop0, sector 16 [ 568.418722] vxfs: unable to read disk superblock at 8 [ 568.424364] vxfs: can't find superblock. executing program [ 568.503695] print_req_error: I/O error, dev loop0, sector 2 [ 568.509634] vxfs: unable to read disk superblock at 1 [ 568.515045] print_req_error: I/O error, dev loop0, sector 16 [ 568.522320] vxfs: unable to read disk superblock at 8 [ 568.527576] vxfs: can't find superblock. executing program [ 568.599636] print_req_error: I/O error, dev loop0, sector 2 [ 568.605503] vxfs: unable to read disk superblock at 1 [ 568.611959] print_req_error: I/O error, dev loop0, sector 16 [ 568.617785] vxfs: unable to read disk superblock at 8 [ 568.625426] vxfs: can't find superblock. [ 568.695375] print_req_error: I/O error, dev loop0, sector 2 [ 568.701398] vxfs: unable to read disk superblock at 1 [ 717.936534] INFO: task syz-executor606:8516 blocked for more than 140 seconds. [ 717.944132] Not tainted 4.19.184-syzkaller #0 [ 717.951410] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 717.960355] syz-executor606 D28368 8516 8091 0x00000004 [ 717.966009] Call Trace: [ 717.970542] __schedule+0x887/0x2040 [ 717.974279] ? io_schedule_timeout+0x140/0x140 [ 717.980120] ? mark_held_locks+0xa6/0xf0 [ 717.984196] ? rwsem_down_read_failed+0x20a/0x390 [ 717.990330] schedule+0x8d/0x1b0 [ 717.993711] rwsem_down_read_failed+0x20a/0x390 [ 717.999629] ? rt_mutex_futex_unlock+0xf0/0xf0 [ 718.004247] call_rwsem_down_read_failed+0x14/0x30 [ 718.010695] ? __lock_acquire+0x2853/0x3ff0 [ 718.015042] down_read+0x44/0x80 [ 718.019925] ? __get_super.part.0+0x209/0x2e0 [ 718.024446] __get_super.part.0+0x209/0x2e0 [ 718.029971] get_super+0x2b/0x50 [ 718.033350] fsync_bdev+0x14/0xc0 [ 718.038009] invalidate_partition+0x74/0xb0 [ 718.042342] drop_partitions.isra.0+0x9c/0x190 [ 718.048131] ? delete_partition+0x1d0/0x1d0 [ 718.052465] ? __mutex_lock+0x3a8/0x1260 [ 718.057807] ? apparmor_capable+0x147/0x750 [ 718.062148] rescan_partitions+0xab/0x970 [ 718.067448] __blkdev_reread_part+0x189/0x220 [ 718.071958] blkdev_reread_part+0x23/0x40 [ 718.076108] loop_set_status+0x103e/0x1800 [ 718.081929] ? _copy_from_user+0xd2/0x130 [ 718.086100] loop_set_status64+0xb2/0x110 [ 718.092661] ? loop_set_status_old+0x250/0x250 [ 718.098751] ? lo_ioctl+0x177c/0x20e0 [ 718.102602] ? wait_for_completion_io+0x10/0x10 [ 718.108445] ? __sanitizer_cov_trace_switch+0x4b/0x80 [ 718.113666] lo_ioctl+0x41f/0x20e0 [ 718.118621] ? __lock_acquire+0x6de/0x3ff0 [ 718.122878] ? loop_set_status64+0x110/0x110 [ 718.128616] blkdev_ioctl+0x5cb/0x1a80 [ 718.132535] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 718.139155] ? blkpg_ioctl+0x9d0/0x9d0 [ 718.143060] ? mark_held_locks+0xf0/0xf0 [ 718.148301] ? mark_held_locks+0xf0/0xf0 [ 718.152383] ? debug_check_no_obj_freed+0x201/0x490 [ 718.158663] ? lock_downgrade+0x720/0x720 [ 718.162827] block_ioctl+0xe9/0x130 [ 718.167592] ? blkdev_fallocate+0x3f0/0x3f0 [ 718.171923] do_vfs_ioctl+0xcdb/0x12e0 [ 718.175817] ? lock_downgrade+0x720/0x720 [ 718.181600] ? check_preemption_disabled+0x41/0x280 [ 718.187467] ? ioctl_preallocate+0x200/0x200 [ 718.191906] ? __fget+0x356/0x510 [ 718.195364] ? do_dup2+0x450/0x450 [ 718.200694] ? do_sys_open+0x2bf/0x520 [ 718.204608] ksys_ioctl+0x9b/0xc0 [ 718.209357] __x64_sys_ioctl+0x6f/0xb0 [ 718.213276] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 718.219112] do_syscall_64+0xf9/0x620 [ 718.222935] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 718.229982] RIP: 0033:0x445927 [ 718.233191] Code: Bad RIP value. [ 718.237692] RSP: 002b:00007f4c10d320a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000010 [ 718.245409] RAX: ffffffffffffffda RBX: 00007f4c10d320d0 RCX: 0000000000445927 [ 718.253945] RDX: 00007f4c10d321e0 RSI: 0000000000004c04 RDI: 0000000000000004 [ 718.262076] RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000 [ 718.270063] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000003 [ 718.278094] R13: 00007f4c10d326b8 R14: 00007f4c10d321e0 R15: 0000000000022000 [ 718.285437] INFO: task systemd-udevd:8519 blocked for more than 140 seconds. [ 718.294804] Not tainted 4.19.184-syzkaller #0 [ 718.300495] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 718.310025] systemd-udevd D28608 8519 4699 0x00000100 [ 718.315667] Call Trace: [ 718.319472] __schedule+0x887/0x2040 [ 718.323202] ? io_schedule_timeout+0x140/0x140 [ 718.328890] ? lock_downgrade+0x720/0x720 [ 718.333049] ? __mutex_lock+0x458/0x1260 [ 718.338769] schedule+0x8d/0x1b0 [ 718.342307] schedule_preempt_disabled+0xf/0x20 [ 718.348092] __mutex_lock+0x647/0x1260 [ 718.351992] ? unwind_get_return_address+0x51/0x90 [ 718.358769] ? __blkdev_get+0x1d0/0x1480 [ 718.362837] ? __mutex_add_waiter+0x160/0x160 [ 718.368415] ? lock_downgrade+0x720/0x720 [ 718.372570] ? lock_acquire+0x170/0x3c0 [ 718.377714] ? get_gendisk+0x83/0x380 [ 718.381528] ? disk_block_events+0x1d/0x130 [ 718.385854] __blkdev_get+0x1d0/0x1480 [ 718.391209] ? bdev_disk_changed+0x1b0/0x1b0 [ 718.395629] ? mark_held_locks+0xf0/0xf0 [ 718.400843] ? mark_held_locks+0xf0/0xf0 [ 718.404916] blkdev_get+0xb0/0x940 [ 718.409523] ? bd_acquire+0x245/0x440 [ 718.413340] ? __blkdev_get+0x1480/0x1480 [ 718.418667] ? lock_downgrade+0x720/0x720 [ 718.422824] ? lock_acquire+0x170/0x3c0 [ 718.427863] ? bd_acquire+0x21/0x440 [ 718.431594] ? do_raw_spin_unlock+0x171/0x230 [ 718.436090] blkdev_open+0x202/0x290 [ 718.441327] do_dentry_open+0x4aa/0x1160 [ 718.445402] ? blkdev_get_by_dev+0x70/0x70 [ 718.450755] ? chown_common+0x550/0x550 [ 718.454747] ? inode_permission+0x3d/0x140 [ 718.460268] path_openat+0x793/0x2df0 [ 718.464092] ? path_lookupat+0x8d0/0x8d0 [ 718.470491] ? __put_seccomp_filter+0xa0/0xa0 [ 718.475010] ? mark_held_locks+0xf0/0xf0 [ 718.480247] do_filp_open+0x18c/0x3f0 [ 718.484058] ? may_open_dev+0xf0/0xf0 [ 718.489671] ? lock_downgrade+0x720/0x720 [ 718.493827] ? lock_acquire+0x170/0x3c0 [ 718.499030] ? __alloc_fd+0x34/0x570 [ 718.502764] ? do_raw_spin_unlock+0x171/0x230 [ 718.508410] ? _raw_spin_unlock+0x29/0x40 [ 718.512566] ? __alloc_fd+0x28d/0x570 [ 718.517582] do_sys_open+0x3b3/0x520 [ 718.521310] ? filp_open+0x70/0x70 [ 718.524854] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 718.531721] ? trace_hardirqs_off_caller+0x6e/0x210 [ 718.537534] ? do_syscall_64+0x21/0x620 [ 718.541524] do_syscall_64+0xf9/0x620 [ 718.545329] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 718.552031] RIP: 0033:0x7eff960bf840 [ 718.555762] Code: Bad RIP value. [ 718.560336] RSP: 002b:00007fff56444568 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 718.568822] RAX: ffffffffffffffda RBX: 00005600be5b0b50 RCX: 00007eff960bf840 [ 718.576096] RDX: 00005600bca96fe3 RSI: 0000000000080000 RDI: 00005600be5b01b0 [ 718.584563] RBP: 0000000000000001 R08: 00005600bca96670 R09: 0000000000000110 [ 718.592582] R10: 00000000000002fe R11: 0000000000000246 R12: 0000000000000000 [ 718.600626] R13: 0000000000000000 R14: 00005600be5ae880 R15: 00000000ffffffff [ 718.608681] [ 718.608681] Showing all locks held in the system: [ 718.615019] 1 lock held by khungtaskd/1569: [ 718.621221] #0: 00000000be9aba30 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 [ 718.630643] 1 lock held by in:imklog/7816: [ 718.634876] #0: 0000000080a4242e (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 [ 718.644887] 1 lock held by syz-executor606/8514: [ 718.650407] 2 locks held by syz-executor606/8516: [ 718.655246] #0: 000000004d0c4505 (&bdev->bd_mutex){+.+.}, at: blkdev_reread_part+0x1b/0x40 [ 718.664913] #1: 0000000060298f14 (&type->s_umount_key#47){.+.+}, at: __get_super.part.0+0x209/0x2e0 [ 718.676027] 1 lock held by systemd-udevd/8519: [ 718.681325] #0: 000000004d0c4505 (&bdev->bd_mutex){+.+.}, at: __blkdev_get+0x1d0/0x1480 [ 718.690337] [ 718.691971] ============================================= [ 718.691971] [ 718.700130] NMI backtrace for cpu 0 [ 718.703767] CPU: 0 PID: 1569 Comm: khungtaskd Not tainted 4.19.184-syzkaller #0 [ 718.711204] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 718.720549] Call Trace: [ 718.723140] dump_stack+0x1fc/0x2ef [ 718.726768] nmi_cpu_backtrace.cold+0x63/0xa2 [ 718.731264] ? lapic_can_unplug_cpu+0x80/0x80 [ 718.735759] nmi_trigger_cpumask_backtrace+0x1a6/0x1f0 [ 718.741037] watchdog+0x991/0xe60 [ 718.744496] ? reset_hung_task_detector+0x30/0x30 [ 718.749340] kthread+0x33f/0x460 [ 718.752704] ? kthread_park+0x180/0x180 [ 718.756679] ret_from_fork+0x24/0x30 [ 718.760546] Sending NMI from CPU 0 to CPUs 1: [ 718.765418] NMI backtrace for cpu 1 [ 718.765424] CPU: 1 PID: 8514 Comm: syz-executor606 Not tainted 4.19.184-syzkaller #0 [ 718.765430] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 718.765434] RIP: 0010:__sanitizer_cov_trace_pc+0x22/0x50 [ 718.765445] Code: 90 90 90 90 90 90 90 90 48 8b 34 24 65 48 8b 04 25 80 df 01 00 65 8b 15 9c 81 9f 7e 81 e2 00 01 1f 00 75 2b 8b 90 60 13 00 00 <83> fa 02 75 20 48 8b 88 68 13 00 00 8b 80 64 13 00 00 48 8b 11 48 [ 718.765448] RSP: 0018:ffff8880a4b2fb38 EFLAGS: 00000246 [ 718.765456] RAX: ffff88809d2f0040 RBX: ffffea00023b4300 RCX: ffffffff817c697c [ 718.765460] RDX: 0000000000000000 RSI: ffffffff81b0723d RDI: 0000000000000005 [ 718.765465] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 [ 718.765470] R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000004 [ 718.765475] R13: 0000000000000400 R14: dffffc0000000000 R15: ffffea00023b4300 [ 718.765480] FS: 00007f4c10d53700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 [ 718.765484] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 718.765489] CR2: 0000000001a422b8 CR3: 00000000a0a0a000 CR4: 00000000001406e0 [ 718.765494] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 718.765499] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 718.765501] Call Trace: [ 718.765505] __getblk_slow+0x15d/0x9e0 [ 718.765508] __bread_gfp+0x218/0x300 [ 718.765511] vxfs_try_sb_magic+0xa1/0x3e0 [ 718.765514] vxfs_fill_super+0x485/0x8b0 [ 718.765517] mount_bdev+0x2fc/0x3b0 [ 718.765521] ? vxfs_try_sb_magic+0x3e0/0x3e0 [ 718.765524] mount_fs+0xa3/0x310 [ 718.765527] vfs_kern_mount.part.0+0x68/0x470 [ 718.765530] do_mount+0x113c/0x2f10 [ 718.765534] ? lock_downgrade+0x720/0x720 [ 718.765537] ? lock_acquire+0x170/0x3c0 [ 718.765540] ? __might_fault+0xef/0x1d0 [ 718.765543] ? copy_mount_string+0x40/0x40 [ 718.765547] ? __might_fault+0x192/0x1d0 [ 718.765550] ? _copy_from_user+0xd2/0x130 [ 718.765553] ? copy_mount_options+0x26f/0x380 [ 718.765556] ksys_mount+0xcf/0x130 [ 718.765560] __x64_sys_mount+0xba/0x150 [ 718.765563] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 718.765566] do_syscall_64+0xf9/0x620 [ 718.765570] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 718.765573] RIP: 0033:0x445a79 [ 718.765584] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 718.765587] RSP: 002b:00007f4c10d53308 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 718.765595] RAX: ffffffffffffffda RBX: 00000000004ca408 RCX: 0000000000445a79 [ 718.765600] RDX: 0000000020000340 RSI: 00000000200000c0 RDI: 0000000020000240 [ 718.765605] RBP: 00000000004ca400 R08: 0000000000000000 R09: 0000000000000000 [ 718.765610] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004ca40c [ 718.765614] R13: 0030656c69662f2e R14: 6f6f6c2f7665642f R15: 0000000000022000 [ 718.788686] Kernel panic - not syncing: hung_task: blocked tasks [ 719.048151] CPU: 0 PID: 1569 Comm: khungtaskd Not tainted 4.19.184-syzkaller #0 [ 719.055590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 719.064935] Call Trace: [ 719.067530] dump_stack+0x1fc/0x2ef [ 719.071159] panic+0x26a/0x50e [ 719.074350] ? __warn_printk+0xf3/0xf3 [ 719.078239] ? lapic_can_unplug_cpu+0x80/0x80 [ 719.082729] ? ___preempt_schedule+0x16/0x18 [ 719.087158] ? watchdog+0x991/0xe60 [ 719.090796] ? nmi_trigger_cpumask_backtrace+0x15e/0x1f0 [ 719.096253] watchdog+0x9a2/0xe60 [ 719.099712] ? reset_hung_task_detector+0x30/0x30 [ 719.104560] kthread+0x33f/0x460 [ 719.107923] ? kthread_park+0x180/0x180 [ 719.111901] ret_from_fork+0x24/0x30 [ 719.116549] Kernel Offset: disabled [ 719.120308] Rebooting in 86400 seconds..