Warning: Permanently added '10.128.0.2' (ECDSA) to the list of known hosts.
executing program
[ 488.128083][ T3634] nbd0: detected capacity change from 0 to 8388608
[ 493.077014][ T3634] block nbd0: shutting down sockets
[ 518.617389][ T9] block nbd0: Possible stuck request ffff88801ddb0000: control (read@0,4096B). Runtime 30 seconds
[ 548.214417][ T2971] udevd[2971]: worker [3636] /devices/virtual/block/nbd0 is taking a long time
[ 548.696636][ T9] block nbd0: Possible stuck request ffff88801ddb0000: control (read@0,4096B). Runtime 60 seconds
[ 578.776632][ T9] block nbd0: Possible stuck request ffff88801ddb0000: control (read@0,4096B). Runtime 90 seconds
[ 608.856598][ T9] block nbd0: Possible stuck request ffff88801ddb0000: control (read@0,4096B). Runtime 120 seconds
[ 638.936588][ T9] block nbd0: Possible stuck request ffff88801ddb0000: control (read@0,4096B). Runtime 150 seconds
executing program
[ 668.374720][ T2971] udevd[2971]: worker [3636] /devices/virtual/block/nbd0 timeout; kill it
[ 668.383991][ T2971] udevd[2971]: seq 7474 '/devices/virtual/block/nbd0' killed
[ 668.384048][ T3636] ldm_validate_partition_table(): Disk read failed.
[ 668.398218][ T3636] Dev nbd0: unable to read RDB block 0
[ 668.403840][ T3636] nbd0: unable to read partition table
[ 668.409563][ T3636] nbd0: partition table beyond EOD, truncated
[ 668.419813][ T3643] nbd0: detected capacity change from 0 to 8388608
[ 668.421387][ T2971] udevd[2971]: worker [3636] terminated by signal 9 (Killed)
[ 668.433781][ T2971] udevd[2971]: worker [3636] failed while handling '/devices/virtual/block/nbd0'
[ 669.016541][ T9] block nbd0: Possible stuck request ffff88801ddb0000: control (read@0,4096B). Runtime 180 seconds
[ 699.096643][ T9] block nbd0: Possible stuck request ffff88801ddb0000: control (read@0,4096B). Runtime 210 seconds
[ 728.524797][ T2971] udevd[2971]: worker [3644] /devices/virtual/block/nbd0 is taking a long time
[ 729.176657][ T9] block nbd0: Possible stuck request ffff88801ddb0000: control (read@0,4096B). Runtime 240 seconds
[ 759.256585][ T9] block nbd0: Possible stuck request ffff88801ddb0000: control (read@0,4096B). Runtime 270 seconds
[ 789.346507][ T9] block nbd0: Possible stuck request ffff88801ddb0000: control (read@0,4096B). Runtime 300 seconds
[ 819.416517][ T9] block nbd0: Possible stuck request ffff88801ddb0000: control (read@0,4096B). Runtime 330 seconds
[ 848.692404][ T2971] udevd[2971]: worker [3644] /devices/virtual/block/nbd0 timeout; kill it
[ 848.701124][ T2971] udevd[2971]: seq 7475 '/devices/virtual/block/nbd0' killed
[ 849.496540][ T9] block nbd0: Possible stuck request ffff88801ddb0000: control (read@0,4096B). Runtime 360 seconds
[ 859.096636][ T27] INFO: task syz-executor139:3643 blocked for more than 143 seconds.
[ 859.105232][ T27] Not tainted 5.19.0-syzkaller-13930-g7ebfc85e2cd7 #0
[ 859.112629][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 859.121645][ T27] task:syz-executor139 state:D stack:28120 pid: 3643 ppid: 3633 flags:0x00000004
[ 859.131334][ T27] Call Trace:
[ 859.134632][ T27]
[ 859.137616][ T27] __schedule+0xadf/0x52b0
[ 859.142093][ T27] ? io_schedule_timeout+0x140/0x140
[ 859.147441][ T27] ? _raw_spin_unlock_irqrestore+0x50/0x70
[ 859.153443][ T27] ? _raw_spin_unlock_irqrestore+0x50/0x70
[ 859.159315][ T27] schedule+0xda/0x1b0
[ 859.163842][ T27] blk_mq_freeze_queue_wait+0x112/0x160
[ 859.169460][ T27] ? blk_mq_queue_inflight+0xa0/0xa0
[ 859.174756][ T27] ? blk_mq_run_hw_queue+0x490/0x490
[ 859.180077][ T27] ? prepare_to_wait_exclusive+0x2b0/0x2b0
[ 859.186013][ T27] nbd_add_socket+0x166/0x810
[ 859.190835][ T27] ? apparmor_capable+0x1d8/0x460
[ 859.195876][ T27] ? nbd_alloc_config.part.0+0x180/0x180
[ 859.201562][ T27] ? bpf_lsm_capable+0x5/0x10
[ 859.206263][ T27] ? security_capable+0x8f/0xc0
[ 859.211241][ T27] nbd_ioctl+0x4ab/0xbd0
[ 859.215524][ T27] ? blkdev_bszset+0x1f0/0x1f0
[ 859.220549][ T27] ? nbd_start_device+0xc30/0xc30
[ 859.225599][ T27] ? __ct_user_exit+0xff/0x150
[ 859.230623][ T27] ? lock_downgrade+0x6e0/0x6e0
[ 859.235507][ T27] ? nbd_start_device+0xc30/0xc30
[ 859.240697][ T27] blkdev_ioctl+0x36e/0x800
[ 859.245229][ T27] ? blkdev_common_ioctl+0x1a30/0x1a30
[ 859.250796][ T27] ? bpf_lsm_file_ioctl+0x5/0x10
[ 859.255928][ T27] ? blkdev_common_ioctl+0x1a30/0x1a30
[ 859.261521][ T27] __x64_sys_ioctl+0x193/0x200
[ 859.266719][ T27] do_syscall_64+0x35/0xb0
[ 859.271147][ T27] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 859.277262][ T27] RIP: 0033:0x7f8c97f4f399
[ 859.281692][ T27] RSP: 002b:00007ffdf2bb28f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 859.290138][ T27] RAX: ffffffffffffffda RBX: 000000000007726d RCX: 00007f8c97f4f399
[ 859.298171][ T27] RDX: 0000000000000004 RSI: 000000000000ab00 RDI: 0000000000000003
[ 859.306407][ T27] RBP: 0000000000000000 R08: 00007ffdf2bb2a98 R09: 00007ffdf2bb2a98
[ 859.314479][ T27] R10: 00007ffdf2bb2a98 R11: 0000000000000246 R12: 00007ffdf2bb290c
[ 859.322889][ T27] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
[ 859.330937][ T27]
[ 859.334053][ T27] INFO: task udevd:3644 blocked for more than 143 seconds.
[ 859.341315][ T27] Not tainted 5.19.0-syzkaller-13930-g7ebfc85e2cd7 #0
[ 859.348616][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 859.357429][ T27] task:udevd state:D stack:27648 pid: 3644 ppid: 2971 flags:0x00004004
[ 859.366869][ T27] Call Trace:
[ 859.370160][ T27]
[ 859.373128][ T27] __schedule+0xadf/0x52b0
[ 859.378113][ T27] ? io_schedule_timeout+0x140/0x140
[ 859.383445][ T27] ? mark_held_locks+0x9f/0xe0
[ 859.388281][ T27] schedule+0xda/0x1b0
[ 859.392380][ T27] io_schedule+0xba/0x130
[ 859.396747][ T27] folio_wait_bit_common+0x3dd/0xa90
[ 859.402077][ T27] ? perf_trace_mm_filemap_op_page_cache+0x8c0/0x8c0
[ 859.408809][ T27] ? filemap_add_folio+0x1d0/0x1d0
[ 859.414023][ T27] ? folio_unlock+0xc0/0xc0
[ 859.418578][ T27] ? enable_ptr_key_workfn+0x20/0x20
[ 859.423903][ T27] do_read_cache_folio+0x2c0/0x510
[ 859.429301][ T27] ? blkdev_writepages+0x20/0x20
[ 859.434259][ T27] read_part_sector+0xf6/0x440
[ 859.439096][ T27] ? adfspart_check_ADFS+0x560/0x560
[ 859.444397][ T27] adfspart_check_ICS+0x9a/0x890
[ 859.449385][ T27] ? __alloc_pages_slowpath.constprop.0+0x2240/0x2240
[ 859.456480][ T27] ? adfspart_check_ADFS+0x560/0x560
[ 859.461773][ T27] ? snprintf+0xbb/0xf0
[ 859.466010][ T27] ? vsprintf+0x30/0x30
[ 859.470234][ T27] ? adfspart_check_ADFS+0x560/0x560
[ 859.475533][ T27] bdev_disk_changed+0x629/0xf60
[ 859.480523][ T27] ? iput.part.0+0x73/0x810
[ 859.485051][ T27] blkdev_get_whole+0x18a/0x2d0
[ 859.490002][ T27] blkdev_get_by_dev.part.0+0x5ec/0xb90
[ 859.495862][ T27] ? devcgroup_check_permission+0x1a6/0x430
[ 859.501900][ T27] blkdev_get_by_dev+0x6b/0x80
[ 859.506725][ T27] blkdev_open+0x13c/0x2c0
[ 859.511139][ T27] do_dentry_open+0x4a4/0x13a0
[ 859.515910][ T27] ? blkdev_close+0x80/0x80
[ 859.520552][ T27] path_openat+0x1c92/0x28f0
[ 859.525190][ T27] ? path_lookupat+0x840/0x840
[ 859.530203][ T27] do_filp_open+0x1b6/0x400
[ 859.535289][ T27] ? may_open_dev+0xf0/0xf0
[ 859.540273][ T27] ? find_held_lock+0x2d/0x110
[ 859.545057][ T27] ? do_raw_spin_lock+0x120/0x2a0
[ 859.550120][ T27] ? rwlock_bug.part.0+0x90/0x90
[ 859.555520][ T27] ? _find_next_bit+0x1e3/0x260
[ 859.560816][ T27] ? _raw_spin_unlock+0x24/0x40
[ 859.565686][ T27] ? alloc_fd+0x2f0/0x6f0
[ 859.570048][ T27] do_sys_openat2+0x16d/0x4c0
[ 859.574813][ T27] ? build_open_flags+0x6f0/0x6f0
[ 859.579983][ T27] ? up_write+0x470/0x470
[ 859.584440][ T27] __x64_sys_openat+0x13f/0x1f0
[ 859.589350][ T27] ? __ia32_sys_open+0x1c0/0x1c0
[ 859.594323][ T27] ? syscall_enter_from_user_mode+0x22/0xb0
[ 859.600424][ T27] ? syscall_enter_from_user_mode+0x22/0xb0
[ 859.606841][ T27] do_syscall_64+0x35/0xb0
[ 859.611636][ T27] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 859.617843][ T27] RIP: 0033:0x7f624cd25697
[ 859.622407][ T27] RSP: 002b:00007ffc4c5d9250 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[ 859.631067][ T27] RAX: ffffffffffffffda RBX: 000055aaa0113190 RCX: 00007f624cd25697
[ 859.639093][ T27] RDX: 00000000000a0800 RSI: 000055aaa00ffda0 RDI: 00000000ffffff9c
[ 859.647135][ T27] RBP: 000055aaa00ffda0 R08: 0000000000000001 R09: 00007ffc4c5e6080
[ 859.655187][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000a0800
[ 859.663251][ T27] R13: 000055aaa0111280 R14: 00007ffc4c5d92fc R15: 000055aaa00ed910
[ 859.671328][ T27]
[ 859.674384][ T27]
[ 859.674384][ T27] Showing all locks held in the system:
[ 859.682152][ T27] 1 lock held by rcu_tasks_kthre/12:
[ 859.687456][ T27] #0: ffffffff8bf886f0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70
[ 859.697935][ T27] 1 lock held by rcu_tasks_trace/13:
[ 859.703240][ T27] #0: ffffffff8bf883f0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70
[ 859.714246][ T27] 1 lock held by khungtaskd/27:
[ 859.719111][ T27] #0: ffffffff8bf89240 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260
[ 859.729377][ T27] 1 lock held by klogd/2960:
[ 859.734002][ T27] #0: ffff8880b9a39f98 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2b/0x120
[ 859.744155][ T27] 2 locks held by getty/3285:
[ 859.748854][ T27] #0: ffff88814b297098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80
[ 859.758651][ T27] #1: ffffc90002d262f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef0/0x13e0
[ 859.768928][ T27] 1 lock held by syz-executor139/3643:
[ 859.774440][ T27] #0: ffff88801dd28198 (&nbd->config_lock){+.+.}-{3:3}, at: nbd_ioctl+0x151/0xbd0
[ 859.784174][ T27] 1 lock held by udevd/3644:
[ 859.788810][ T27] #0: ffff88814774e4c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev.part.0+0x9b/0xb90
[ 859.799434][ T27]
[ 859.801763][ T27] =============================================
[ 859.801763][ T27]
[ 859.810217][ T27] NMI backtrace for cpu 1
[ 859.814565][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.19.0-syzkaller-13930-g7ebfc85e2cd7 #0
[ 859.824097][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
[ 859.834157][ T27] Call Trace:
[ 859.837425][ T27]
[ 859.840343][ T27] dump_stack_lvl+0xcd/0x134
[ 859.845147][ T27] nmi_cpu_backtrace.cold+0x46/0x14f
[ 859.850423][ T27] ? lapic_can_unplug_cpu+0x80/0x80
[ 859.855785][ T27] nmi_trigger_cpumask_backtrace+0x206/0x250
[ 859.861766][ T27] watchdog+0xc18/0xf50
[ 859.865931][ T27] ? proc_dohung_task_timeout_secs+0x80/0x80
[ 859.871905][ T27] kthread+0x2e4/0x3a0
[ 859.875959][ T27] ? kthread_complete_and_exit+0x40/0x40
[ 859.881595][ T27] ret_from_fork+0x1f/0x30
[ 859.886004][ T27]
[ 859.889216][ T27] Sending NMI from CPU 1 to CPUs 0:
[ 859.894483][ C0] NMI backtrace for cpu 0 skipped: idling at acpi_safe_halt+0x6f/0xb0
[ 859.895465][ T27] Kernel panic - not syncing: hung_task: blocked tasks
[ 859.910447][ T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.19.0-syzkaller-13930-g7ebfc85e2cd7 #0
[ 859.919976][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
[ 859.930105][ T27] Call Trace:
[ 859.933370][ T27]
[ 859.936286][ T27] dump_stack_lvl+0xcd/0x134
[ 859.940888][ T27] panic+0x2c8/0x627
[ 859.944781][ T27] ? panic_print_sys_info.part.0+0x10b/0x10b
[ 859.950768][ T27] ? irq_work_claim+0x76/0x90
[ 859.955462][ T27] ? lapic_can_unplug_cpu+0x80/0x80
[ 859.960659][ T27] ? irq_work_queue+0x29/0x80
[ 859.965332][ T27] ? watchdog.cold+0x130/0x158
[ 859.970094][ T27] watchdog.cold+0x141/0x158
[ 859.974857][ T27] ? proc_dohung_task_timeout_secs+0x80/0x80
[ 859.981101][ T27] kthread+0x2e4/0x3a0
[ 859.985314][ T27] ? kthread_complete_and_exit+0x40/0x40
[ 859.991225][ T27] ret_from_fork+0x1f/0x30
[ 859.995671][ T27]
[ 859.999527][ T27] Kernel Offset: disabled
[ 860.004114][ T27] Rebooting in 86400 seconds..