Warning: Permanently added '10.128.1.38' (ECDSA) to the list of known hosts. executing program [ 487.138506][ T3641] nbd0: detected capacity change from 0 to 14 [ 492.076637][ T3641] block nbd0: shutting down sockets [ 517.167905][ T9] block nbd0: Possible stuck request ffff88801ed58000: control (read@0,4096B). Runtime 30 seconds [ 547.212365][ T2970] udevd[2970]: worker [3643] /devices/virtual/block/nbd0 is taking a long time [ 547.257885][ T9] block nbd0: Possible stuck request ffff88801ed58000: control (read@0,4096B). Runtime 60 seconds [ 577.327935][ T9] block nbd0: Possible stuck request ffff88801ed58000: control (read@0,4096B). Runtime 90 seconds [ 607.407890][ T9] block nbd0: Possible stuck request ffff88801ed58000: control (read@0,4096B). Runtime 120 seconds [ 637.487878][ T9] block nbd0: Possible stuck request ffff88801ed58000: control (read@0,4096B). Runtime 150 seconds executing program [ 667.367640][ T2970] udevd[2970]: worker [3643] /devices/virtual/block/nbd0 timeout; kill it [ 667.376503][ T3643] ldm_validate_partition_table(): Disk read failed. [ 667.383581][ T2970] udevd[2970]: seq 7467 '/devices/virtual/block/nbd0' killed [ 667.387795][ T3643] Dev nbd0: unable to read RDB block 0 [ 667.396408][ T3643] nbd0: unable to read partition table [ 667.402048][ T3643] nbd0: partition table beyond EOD, truncated [ 667.410448][ T3650] nbd0: detected capacity change from 0 to 14 [ 667.412306][ T2970] udevd[2970]: worker [3643] terminated by signal 9 (Killed) [ 667.423954][ T2970] udevd[2970]: worker [3643] failed while handling '/devices/virtual/block/nbd0' [ 667.567790][ T9] block nbd0: Possible stuck request ffff88801ed58000: control (read@0,4096B). Runtime 180 seconds [ 697.647884][ T9] block nbd0: Possible stuck request ffff88801ed58000: control (read@0,4096B). Runtime 210 seconds [ 727.507973][ T2970] udevd[2970]: worker [3651] /devices/virtual/block/nbd0 is taking a long time [ 727.727832][ T9] block nbd0: Possible stuck request ffff88801ed58000: control (read@0,4096B). Runtime 240 seconds [ 757.807806][ T9] block nbd0: Possible stuck request ffff88801ed58000: control (read@0,4096B). Runtime 270 seconds [ 787.887860][ T9] block nbd0: Possible stuck request ffff88801ed58000: control (read@0,4096B). Runtime 300 seconds [ 817.967788][ T9] block nbd0: Possible stuck request ffff88801ed58000: control (read@0,4096B). Runtime 330 seconds [ 847.655279][ T2970] udevd[2970]: worker [3651] /devices/virtual/block/nbd0 timeout; kill it [ 847.664059][ T2970] udevd[2970]: seq 7468 '/devices/virtual/block/nbd0' killed [ 848.047799][ T9] block nbd0: Possible stuck request ffff88801ed58000: control (read@0,4096B). Runtime 360 seconds [ 859.567838][ T28] INFO: task syz-executor900:3650 blocked for more than 143 seconds. [ 859.575921][ T28] Not tainted 6.0.0-rc3-next-20220901-syzkaller #0 [ 859.583043][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 859.591778][ T28] task:syz-executor900 state:D stack:28544 pid:3650 ppid:3640 flags:0x00000004 [ 859.601135][ T28] Call Trace: [ 859.604414][ T28] <TASK> [ 859.607341][ T28] __schedule+0xae5/0x52c0 [ 859.612017][ T28] ? lock_acquire+0x480/0x570 [ 859.616716][ T28] ? lock_release+0x560/0x780 [ 859.621555][ T28] ? lock_downgrade+0x6e0/0x6e0 [ 859.626420][ T28] ? io_schedule_timeout+0x140/0x140 [ 859.631876][ T28] ? trace_hardirqs_on+0x2d/0x120 [ 859.636926][ T28] schedule+0xda/0x1b0 [ 859.641120][ T28] blk_mq_freeze_queue_wait+0x112/0x160 [ 859.646767][ T28] ? blk_mq_queue_inflight+0xa0/0xa0 [ 859.652181][ T28] ? blk_mq_run_hw_queue+0x490/0x490 [ 859.657534][ T28] ? prepare_to_wait_exclusive+0x2b0/0x2b0 [ 859.663488][ T28] nbd_add_socket+0x166/0x810 [ 859.668431][ T28] ? apparmor_capable+0x1d8/0x460 [ 859.673511][ T28] ? nbd_alloc_config.part.0+0x180/0x180 [ 859.679267][ T28] ? bpf_lsm_capable+0x5/0x10 [ 859.683953][ T28] ? security_capable+0x8f/0xc0 [ 859.689110][ T28] nbd_ioctl+0x4ab/0xbd0 [ 859.693386][ T28] ? blkdev_bszset+0x1f0/0x1f0 [ 859.698208][ T28] ? nbd_start_device+0xc30/0xc30 [ 859.703260][ T28] ? rcu_read_lock_sched_held+0xd/0x70 [ 859.708781][ T28] ? __ct_user_exit+0xff/0x150 [ 859.713594][ T28] ? lock_downgrade+0x6e0/0x6e0 [ 859.718483][ T28] ? nbd_start_device+0xc30/0xc30 [ 859.723531][ T28] blkdev_ioctl+0x36e/0x800 [ 859.728108][ T28] ? blkdev_common_ioctl+0x1a30/0x1a30 [ 859.733591][ T28] ? bpf_lsm_file_ioctl+0x5/0x10 [ 859.738551][ T28] ? blkdev_common_ioctl+0x1a30/0x1a30 [ 859.744032][ T28] __x64_sys_ioctl+0x193/0x200 [ 859.748827][ T28] do_syscall_64+0x35/0xb0 [ 859.753257][ T28] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 859.759264][ T28] RIP: 0033:0x7ff59220e399 [ 859.763682][ T28] RSP: 002b:00007ffe9c7dc718 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 859.772121][ T28] RAX: ffffffffffffffda RBX: 0000000000076e96 RCX: 00007ff59220e399 [ 859.780120][ T28] RDX: 0000000000000004 RSI: 000000000000ab00 RDI: 0000000000000003 [ 859.788112][ T28] RBP: 0000000000000000 R08: 00007ffe9c7dc8b8 R09: 00007ffe9c7dc8b8 [ 859.796175][ T28] R10: 00007ffe9c7dc8b8 R11: 0000000000000246 R12: 00007ffe9c7dc72c [ 859.804182][ T28] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 859.812182][ T28] </TASK> [ 859.815200][ T28] INFO: task udevd:3651 blocked for more than 143 seconds. [ 859.822462][ T28] Not tainted 6.0.0-rc3-next-20220901-syzkaller #0 [ 859.829509][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 859.838200][ T28] task:udevd state:D stack:27672 pid:3651 ppid:2970 flags:0x00004004 [ 859.847414][ T28] Call Trace: [ 859.850724][ T28] <TASK> [ 859.853655][ T28] __schedule+0xae5/0x52c0 [ 859.858115][ T28] ? lock_acquire+0x480/0x570 [ 859.862805][ T28] ? rcu_read_lock_sched_held+0xd/0x70 [ 859.868280][ T28] ? io_schedule_timeout+0x140/0x140 [ 859.873595][ T28] ? lock_downgrade+0x6e0/0x6e0 [ 859.878462][ T28] ? do_raw_spin_lock+0x120/0x2a0 [ 859.883514][ T28] schedule+0xda/0x1b0 [ 859.887573][ T28] io_schedule+0xba/0x130 [ 859.891943][ T28] folio_wait_bit_common+0x49f/0xa20 [ 859.897290][ T28] ? perf_trace_mm_filemap_op_page_cache+0x8c0/0x8c0 [ 859.904019][ T28] ? filemap_add_folio+0x1d0/0x1d0 [ 859.909182][ T28] ? folio_unlock+0xc0/0xc0 [ 859.913705][ T28] ? enable_ptr_key_workfn+0x20/0x20 [ 859.919068][ T28] ? vunmap_range+0x30/0x30 [ 859.923598][ T28] do_read_cache_folio+0x2c0/0x510 [ 859.928765][ T28] ? blkdev_writepages+0x20/0x20 [ 859.933812][ T28] read_part_sector+0xf6/0x440 [ 859.938619][ T28] ? adfspart_check_ADFS+0x560/0x560 [ 859.943935][ T28] adfspart_check_ICS+0x9a/0x890 [ 859.948930][ T28] ? __alloc_pages_slowpath.constprop.0+0x22d0/0x22d0 [ 859.955715][ T28] ? adfspart_check_ADFS+0x560/0x560 [ 859.961058][ T28] ? snprintf+0xbb/0xf0 [ 859.965233][ T28] ? vsprintf+0x30/0x30 [ 859.969450][ T28] ? adfspart_check_ADFS+0x560/0x560 [ 859.974756][ T28] bdev_disk_changed+0x629/0xf60 [ 859.979745][ T28] ? iput.part.0+0x73/0x810 [ 859.984270][ T28] blkdev_get_whole+0x18a/0x2d0 [ 859.989151][ T28] blkdev_get_by_dev.part.0+0x5ec/0xb90 [ 859.994712][ T28] ? devcgroup_check_permission+0x1a6/0x430 [ 860.000689][ T28] blkdev_get_by_dev+0x6b/0x80 [ 860.005467][ T28] blkdev_open+0x13c/0x2c0 [ 860.009916][ T28] do_dentry_open+0x6cc/0x13f0 [ 860.014699][ T28] ? blkdev_close+0x80/0x80 [ 860.019233][ T28] path_openat+0x1c92/0x28f0 [ 860.023833][ T28] ? lock_downgrade+0x660/0x6e0 [ 860.028704][ T28] ? ___slab_alloc+0xa1c/0x1440 [ 860.033589][ T28] ? lock_release+0x560/0x780 [ 860.038310][ T28] ? path_lookupat+0x840/0x840 [ 860.043079][ T28] ? lock_downgrade+0x6e0/0x6e0 [ 860.047952][ T28] do_filp_open+0x1b6/0x400 [ 860.052462][ T28] ? may_open_dev+0xf0/0xf0 [ 860.056969][ T28] ? do_raw_spin_lock+0x120/0x2a0 [ 860.062050][ T28] ? rwlock_bug.part.0+0x90/0x90 [ 860.067025][ T28] ? _find_next_bit+0x1e3/0x260 [ 860.071969][ T28] ? _raw_spin_unlock+0x24/0x40 [ 860.076826][ T28] ? alloc_fd+0x2f0/0x6f0 [ 860.081232][ T28] do_sys_openat2+0x16d/0x4c0 [ 860.086033][ T28] ? rcu_read_lock_sched_held+0xd/0x70 [ 860.091550][ T28] ? build_open_flags+0x6f0/0x6f0 [ 860.096615][ T28] ? lock_downgrade+0x6e0/0x6e0 [ 860.101491][ T28] ? up_write+0x470/0x470 [ 860.105825][ T28] __x64_sys_openat+0x13f/0x1f0 [ 860.110695][ T28] ? __ia32_sys_open+0x1c0/0x1c0 [ 860.115661][ T28] ? trace_hardirqs_on+0x2d/0x120 [ 860.120727][ T28] do_syscall_64+0x35/0xb0 [ 860.125155][ T28] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 860.131085][ T28] RIP: 0033:0x7fe313f25697 [ 860.135503][ T28] RSP: 002b:00007ffd4c3faa80 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 860.143954][ T28] RAX: ffffffffffffffda RBX: 000056002a2fda20 RCX: 00007fe313f25697 [ 860.151954][ T28] RDX: 00000000000a0800 RSI: 000056002a30dff0 RDI: 00000000ffffff9c [ 860.159950][ T28] RBP: 000056002a30dff0 R08: 0000000000000001 R09: 00007ffd4c5f6080 [ 860.168730][ T28] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000a0800 [ 860.176699][ T28] R13: 000056002a303790 R14: 00007ffd4c3fab2c R15: 000056002a2e9910 [ 860.184704][ T28] </TASK> [ 860.187753][ T28] NMI backtrace for cpu 0 [ 860.192073][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.0.0-rc3-next-20220901-syzkaller #0 [ 860.201371][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 860.211939][ T28] Call Trace: [ 860.215220][ T28] <TASK> [ 860.218137][ T28] dump_stack_lvl+0xcd/0x134 [ 860.222772][ T28] nmi_cpu_backtrace.cold+0x46/0x14f [ 860.228048][ T28] ? lapic_can_unplug_cpu+0x80/0x80 [ 860.233253][ T28] nmi_trigger_cpumask_backtrace+0x206/0x250 [ 860.239248][ T28] watchdog+0xcf7/0xfd0 [ 860.243398][ T28] ? proc_dohung_task_timeout_secs+0x80/0x80 [ 860.249411][ T28] kthread+0x2e4/0x3a0 [ 860.253506][ T28] ? kthread_complete_and_exit+0x40/0x40 [ 860.259149][ T28] ret_from_fork+0x1f/0x30 [ 860.263623][ T28] </TASK> [ 860.266706][ T28] Sending NMI from CPU 0 to CPUs 1: [ 860.271948][ C1] NMI backtrace for cpu 1 [ 860.271957][ C1] CPU: 1 PID: 41 Comm: kworker/u4:2 Not tainted 6.0.0-rc3-next-20220901-syzkaller #0 [ 860.271978][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 860.271991][ C1] Workqueue: events_unbound toggle_allocation_gate [ 860.272016][ C1] RIP: 0010:kasan_check_range+0xde/0x180 [ 860.272050][ C1] Code: 74 f2 48 89 c2 b8 01 00 00 00 48 85 d2 75 56 5b 5d 41 5c c3 48 85 d2 74 5e 48 01 ea eb 09 48 83 c0 01 48 39 d0 74 50 80 38 00 <74> f2 eb d4 41 bc 08 00 00 00 48 89 ea 45 29 dc 4d 8d 1c 2c eb 0c [ 860.272069][ C1] RSP: 0018:ffffc90000b278e0 EFLAGS: 00000246 [ 860.272083][ C1] RAX: fffffbfff1bbdd8a RBX: fffffbfff1bbdd8b RCX: ffffffff815fa421 [ 860.272097][ C1] RDX: fffffbfff1bbdd8b RSI: 0000000000000008 RDI: ffffffff8ddeec50 [ 860.272109][ C1] RBP: fffffbfff1bbdd8a R08: 0000000000000000 R09: ffffffff8ddeec57 [ 860.272122][ C1] R10: fffffbfff1bbdd8a R11: 0000000000000001 R12: ffff8880119be138 [ 860.272134][ C1] R13: 0000000000000004 R14: 0000000000000725 R15: ffffffff8c0d0120 [ 860.272146][ C1] FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 860.272162][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 860.272175][ C1] CR2: 0000555f2ba66600 CR3: 000000000bc8e000 CR4: 00000000003506e0 [ 860.272195][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 860.272206][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 860.272218][ C1] Call Trace: [ 860.272222][ C1] <TASK> [ 860.272229][ C1] lock_release+0xa1/0x780 [ 860.272251][ C1] ? do_raw_spin_lock+0x120/0x2a0 [ 860.272275][ C1] ? __text_poke+0x47a/0x8e0 [ 860.272295][ C1] ? lock_downgrade+0x6e0/0x6e0 [ 860.272316][ C1] ? __phys_addr+0xc4/0x140 [ 860.272335][ C1] ? rcu_read_lock_sched_held+0xd/0x70 [ 860.272357][ C1] ? flush_tlb_mm_range+0x2ef/0x4c0 [ 860.272379][ C1] ? kmem_cache_alloc+0x121/0x3d0 [ 860.272405][ C1] _raw_spin_unlock+0x12/0x40 [ 860.272424][ C1] __text_poke+0x47a/0x8e0 [ 860.272442][ C1] ? cpumask_weight+0x40/0x40 [ 860.272464][ C1] ? text_poke_memset+0x60/0x60 [ 860.272484][ C1] ? optimize_nops+0x2d0/0x2d0 [ 860.272504][ C1] ? kmem_cache_alloc+0x121/0x3d0 [ 860.272529][ C1] text_poke_bp_batch+0x382/0x6c0 [ 860.272552][ C1] ? do_sync_core+0x20/0x20 [ 860.272575][ C1] ? __jump_label_update+0x296/0x410 [ 860.272604][ C1] text_poke_finish+0x16/0x30 [ 860.272624][ C1] arch_jump_label_transform_apply+0x13/0x20 [ 860.272656][ C1] jump_label_update+0x32f/0x410 [ 860.272683][ C1] static_key_disable_cpuslocked+0x152/0x1b0 [ 860.272712][ C1] static_key_disable+0x16/0x20 [ 860.272738][ C1] toggle_allocation_gate+0x183/0x390 [ 860.272759][ C1] ? lock_release+0x780/0x780 [ 860.272779][ C1] ? wake_up_kfence_timer+0x20/0x20 [ 860.272800][ C1] ? trace_hardirqs_on+0x2d/0x120 [ 860.272820][ C1] ? finish_task_switch.isra.0+0x2b5/0xc80 [ 860.272843][ C1] ? read_word_at_a_time+0xe/0x20 [ 860.272867][ C1] ? strscpy+0xa1/0x2a0 [ 860.272891][ C1] process_one_work+0x991/0x1610 [ 860.272923][ C1] ? pwq_dec_nr_in_flight+0x2a0/0x2a0 [ 860.272952][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 860.272979][ C1] worker_thread+0x665/0x1080 [ 860.273010][ C1] ? __kthread_parkme+0x15f/0x220 [ 860.273032][ C1] ? process_one_work+0x1610/0x1610 [ 860.273060][ C1] kthread+0x2e4/0x3a0 [ 860.273082][ C1] ? kthread_complete_and_exit+0x40/0x40 [ 860.273107][ C1] ret_from_fork+0x1f/0x30 [ 860.273139][ C1] </TASK> [ 860.273146][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.199 msecs [ 860.273942][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 860.627574][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.0.0-rc3-next-20220901-syzkaller #0 [ 860.636861][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 860.646932][ T28] Call Trace: [ 860.650223][ T28] <TASK> [ 860.653156][ T28] dump_stack_lvl+0xcd/0x134 [ 860.657760][ T28] panic+0x2c8/0x622 [ 860.661699][ T28] ? panic_print_sys_info.part.0+0x110/0x110 [ 860.667695][ T28] ? irq_work_claim+0x76/0x90 [ 860.672396][ T28] ? lapic_can_unplug_cpu+0x80/0x80 [ 860.677608][ T28] ? irq_work_queue+0x29/0x80 [ 860.682303][ T28] ? watchdog.cold+0x135/0x426 [ 860.687087][ T28] watchdog.cold+0x146/0x426 [ 860.691686][ T28] ? proc_dohung_task_timeout_secs+0x80/0x80 [ 860.697684][ T28] kthread+0x2e4/0x3a0 [ 860.701762][ T28] ? kthread_complete_and_exit+0x40/0x40 [ 860.707404][ T28] ret_from_fork+0x1f/0x30 [ 860.711837][ T28] </TASK> [ 860.715069][ T28] Kernel Offset: disabled [ 860.719408][ T28] Rebooting in 86400 seconds..