Warning: Permanently added '10.128.0.235' (ED25519) to the list of known hosts.
executing program
[  363.666690][ T3530] nbd0: detected capacity change from 0 to 4
[  363.827022][  T146] block nbd0: Receive control failed (result -104)
[  363.829044][ T3530] block nbd0: shutting down sockets
[  363.839911][    C0] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[  363.850856][    C0] Buffer I/O error on dev nbd0, logical block 0, async page read
[  363.858789][ T3532] ldm_validate_partition_table(): Disk read failed.
[  363.865562][ T3532] Dev nbd0: unable to read RDB block 0
[  363.871236][ T3532]  nbd0: unable to read partition table
executing program
[  363.876879][ T3532] nbd0: partition table beyond EOD, truncated
[  363.935875][ T3534] nbd0: detected capacity change from 0 to 4
[  364.097101][  T146] block nbd0: Receive control failed (result -104)
[  364.097516][ T3534] block nbd0: shutting down sockets
[  364.109598][    C0] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[  364.120410][    C0] Buffer I/O error on dev nbd0, logical block 0, async page read
[  364.128430][ T3532] ldm_validate_partition_table(): Disk read failed.
[  364.135196][ T3532] Dev nbd0: unable to read RDB block 0
[  364.140654][ T3532]  nbd0: unable to read partition table
executing program
[  364.146376][ T3532] nbd0: partition table beyond EOD, truncated
[  364.215337][ T3537] nbd0: detected capacity change from 0 to 4
[  364.373810][  T146] block nbd0: Receive control failed (result -104)
[  364.374511][ T3537] block nbd0: shutting down sockets
[  364.386485][    C0] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[  364.397398][    C0] Buffer I/O error on dev nbd0, logical block 0, async page read
[  364.405235][ T3532] ldm_validate_partition_table(): Disk read failed.
[  364.411914][ T3532] Dev nbd0: unable to read RDB block 0
[  364.417482][ T3532]  nbd0: unable to read partition table
executing program
[  364.423083][ T3532] nbd0: partition table beyond EOD, truncated
[  364.484954][ T3539] nbd0: detected capacity change from 0 to 4
[  364.647372][  T146] block nbd0: Receive control failed (result -104)
[  364.647685][ T3539] block nbd0: shutting down sockets
[  364.659865][    C0] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[  364.670667][    C0] Buffer I/O error on dev nbd0, logical block 0, async page read
[  364.678719][ T3532] ldm_validate_partition_table(): Disk read failed.
[  364.685348][ T3532] Dev nbd0: unable to read RDB block 0
[  364.691066][ T3532]  nbd0: unable to read partition table
executing program
[  364.696827][ T3532] nbd0: partition table beyond EOD, truncated
[  364.755337][ T3541] nbd0: detected capacity change from 0 to 4
[  364.917179][  T146] block nbd0: Receive control failed (result -104)
[  364.918240][ T3541] block nbd0: shutting down sockets
[  364.929678][    C0] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[  364.940490][    C0] Buffer I/O error on dev nbd0, logical block 0, async page read
[  364.948346][ T3532] ldm_validate_partition_table(): Disk read failed.
[  364.955024][ T3532] Dev nbd0: unable to read RDB block 0
[  364.960766][ T3532]  nbd0: unable to read partition table
executing program
[  364.966512][ T3532] nbd0: partition table beyond EOD, truncated
[  365.025052][ T3543] nbd0: detected capacity change from 0 to 4
[  365.187406][  T146] block nbd0: Receive control failed (result -104)
[  395.654487][  T150] block nbd0: Possible stuck request ffff88801b428600: control (read@0,2048B). Runtime 30 seconds
[  425.105794][ T2962] udevd[2962]: worker [3532] /devices/virtual/block/nbd0 is taking a long time
[  425.734492][  T150] block nbd0: Possible stuck request ffff88801b428600: control (read@0,2048B). Runtime 60 seconds
[  455.814439][  T150] block nbd0: Possible stuck request ffff88801b428600: control (read@0,2048B). Runtime 90 seconds
[  485.894474][  T150] block nbd0: Possible stuck request ffff88801b428600: control (read@0,2048B). Runtime 120 seconds
[  515.974498][  T150] block nbd0: Possible stuck request ffff88801b428600: control (read@0,2048B). Runtime 150 seconds
[  545.264843][ T2962] udevd[2962]: worker [3532] /devices/virtual/block/nbd0 timeout; kill it
[  545.273569][ T2962] udevd[2962]: seq 7475 '/devices/virtual/block/nbd0' killed
[  546.054494][  T150] block nbd0: Possible stuck request ffff88801b428600: control (read@0,2048B). Runtime 180 seconds
[  572.934533][   T27] INFO: task udevd:3532 blocked for more than 143 seconds.
[  572.941861][   T27]       Not tainted 5.15.123-syzkaller #0
[  572.947771][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  572.956552][   T27] task:udevd           state:D stack:24512 pid: 3532 ppid:  2962 flags:0x00004006
[  572.965912][   T27] Call Trace:
[  572.969205][   T27]  <TASK>
[  572.972122][   T27]  __schedule+0x12c4/0x4590
[  572.976859][   T27]  ? __sched_text_start+0x8/0x8
[  572.981717][   T27]  ? preempt_schedule+0xd9/0xe0
[  572.986596][   T27]  ? __sched_text_start+0x8/0x8
[  572.991444][   T27]  ? preempt_schedule+0xd9/0xe0
[  572.996318][   T27]  ? schedule_preempt_disabled+0x20/0x20
[  573.001957][   T27]  ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[  573.008049][   T27]  ? print_irqtrace_events+0x210/0x210
[  573.013511][   T27]  ? _raw_spin_lock_irq+0xdb/0x110
[  573.018657][   T27]  schedule+0x11b/0x1f0
[  573.022816][   T27]  io_schedule+0x88/0x100
[  573.027181][   T27]  wait_on_page_bit_common+0xa13/0x1180
[  573.032831][   T27]  ? wait_on_page_bit+0x50/0x50
[  573.037775][   T27]  ? blkdev_fallocate+0x3d0/0x3d0
[  573.042911][   T27]  ? rcu_lock_release+0x20/0x20
[  573.047796][   T27]  ? vsnprintf+0x1c70/0x1c70
[  573.052415][   T27]  do_read_cache_page+0x9c1/0x1040
[  573.057740][   T27]  read_part_sector+0xd8/0x530
[  573.062599][   T27]  adfspart_check_ICS+0xd9/0xd00
[  573.067565][   T27]  ? ptr_to_hashval+0x60/0x60
[  573.072248][   T27]  ? adfspart_check_ADFS+0x8b0/0x8b0
[  573.077554][   T27]  ? snprintf+0xd6/0x120
[  573.081813][   T27]  ? __rmqueue_pcplist+0x2030/0x2030
[  573.087214][   T27]  ? __vmalloc_node_range+0x6aa/0x8c0
[  573.092597][   T27]  ? vsnprintf+0x1b8c/0x1c70
[  573.097252][   T27]  ? vsnprintf+0x191/0x1c70
[  573.101750][   T27]  ? vscnprintf+0x80/0x80
[  573.106096][   T27]  ? alloc_pages+0x458/0x570
[  573.110736][   T27]  bdev_disk_changed+0x982/0x1760
[  573.115804][   T27]  ? blk_drop_partitions+0x1b0/0x1b0
[  573.121124][   T27]  ? iput+0x371/0x8b0
[  573.125176][   T27]  blkdev_get_whole+0x2fb/0x390
[  573.130030][   T27]  blkdev_get_by_dev+0x2b2/0xa50
[  573.134996][   T27]  blkdev_open+0x138/0x2d0
[  573.139419][   T27]  ? block_ioctl+0xf0/0xf0
[  573.143821][   T27]  do_dentry_open+0x807/0xfb0
[  573.148605][   T27]  path_openat+0x2702/0x2f20
[  573.153230][   T27]  ? validate_chain+0x112/0x58b0
[  573.158205][   T27]  ? mark_lock+0x98/0x340
[  573.162537][   T27]  ? do_filp_open+0x460/0x460
[  573.167249][   T27]  do_filp_open+0x21c/0x460
[  573.171753][   T27]  ? vfs_tmpfile+0x2e0/0x2e0
[  573.176396][   T27]  ? _raw_spin_unlock+0x24/0x40
[  573.181244][   T27]  ? alloc_fd+0x594/0x630
[  573.185648][   T27]  do_sys_openat2+0x13b/0x500
[  573.190336][   T27]  ? read_lock_is_recursive+0x10/0x10
[  573.195728][   T27]  ? do_sys_open+0x220/0x220
[  573.200328][   T27]  ? __fdget+0x158/0x220
[  573.204590][   T27]  __x64_sys_openat+0x243/0x290
[  573.209446][   T27]  ? __ia32_sys_open+0x270/0x270
[  573.214420][   T27]  ? syscall_enter_from_user_mode+0x2e/0x230
[  573.220577][   T27]  ? lockdep_hardirqs_on+0x94/0x130
[  573.225880][   T27]  ? syscall_enter_from_user_mode+0x2e/0x230
[  573.231854][   T27]  do_syscall_64+0x3d/0xb0
[  573.236305][   T27]  entry_SYSCALL_64_after_hwframe+0x61/0xcb
[  573.242322][   T27] RIP: 0033:0x7f29cc2219a4
[  573.246775][   T27] RSP: 002b:00007ffe87d4fc90 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[  573.255655][   T27] RAX: ffffffffffffffda RBX: 000056126420a2c0 RCX: 00007f29cc2219a4
[  573.263630][   T27] RDX: 00000000000a0800 RSI: 000056126420a710 RDI: 00000000ffffff9c
[  573.271610][   T27] RBP: 000056126420a710 R08: 0000000000000001 R09: 0000000000000010
[  573.279879][   T27] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000a0800
[  573.287867][   T27] R13: 0000561264212af0 R14: 0000000000000001 R15: 0000561264209910
[  573.295863][   T27]  </TASK>
[  573.298900][   T27] INFO: task syz-executor541:3543 blocked for more than 143 seconds.
[  573.306989][   T27]       Not tainted 5.15.123-syzkaller #0
[  573.312784][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  573.321826][   T27] task:syz-executor541 state:D stack:25600 pid: 3543 ppid:  3528 flags:0x00004006
[  573.331058][   T27] Call Trace:
[  573.334370][   T27]  <TASK>
[  573.337300][   T27]  __schedule+0x12c4/0x4590
[  573.341891][   T27]  ? __sched_text_start+0x8/0x8
[  573.346768][   T27]  ? __mutex_trylock_common+0x8d/0x2e0
[  573.352230][   T27]  ? do_raw_spin_unlock+0x137/0x8b0
[  573.357457][   T27]  schedule+0x11b/0x1f0
[  573.361619][   T27]  schedule_preempt_disabled+0xf/0x20
[  573.367018][   T27]  __mutex_lock_common+0xe34/0x25a0
[  573.372217][   T27]  ? blkdev_put+0xfb/0x790
[  573.376671][   T27]  ? mutex_lock_io_nested+0x60/0x60
[  573.381877][   T27]  mutex_lock_nested+0x17/0x20
[  573.386667][   T27]  blkdev_put+0xfb/0x790
[  573.390905][   T27]  ? __rwlock_init+0x140/0x140
[  573.395699][   T27]  blkdev_close+0x7c/0xa0
[  573.400023][   T27]  ? blkdev_open+0x2d0/0x2d0
[  573.404652][   T27]  __fput+0x3bf/0x890
[  573.408651][   T27]  task_work_run+0x129/0x1a0
[  573.413291][   T27]  get_signal+0x143a/0x14e0
[  573.417858][   T27]  ? nbd_ioctl+0xb60/0xe10
[  573.422351][   T27]  ? kasan_save_stack+0x4d/0x60
[  573.427270][   T27]  ? kasan_save_stack+0x36/0x60
[  573.432123][   T27]  ? kasan_record_aux_stack+0xba/0x100
[  573.437633][   T27]  ? task_work_add+0x2f/0x1d0
[  573.442317][   T27]  arch_do_signal_or_restart+0xc3/0x1890
[  573.448053][   T27]  ? get_sigframe_size+0x10/0x10
[  573.453013][   T27]  ? exit_to_user_mode_loop+0x39/0x130
[  573.458564][   T27]  exit_to_user_mode_loop+0x97/0x130
[  573.463847][   T27]  exit_to_user_mode_prepare+0xb1/0x140
[  573.469518][   T27]  syscall_exit_to_user_mode+0x5d/0x250
[  573.475097][   T27]  do_syscall_64+0x49/0xb0
[  573.479502][   T27]  entry_SYSCALL_64_after_hwframe+0x61/0xcb
[  573.485422][   T27] RIP: 0033:0x7f9c25d3e7f9
[  573.489846][   T27] RSP: 002b:00007f9c25cfc228 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  573.498288][   T27] RAX: 0000000000000000 RBX: 00007f9c25dc63e8 RCX: 00007f9c25d3e7f9
[  573.506371][   T27] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[  573.514496][   T27] RBP: 00007f9c25dc63e0 R08: 00007f9c25cfc6c0 R09: 00007f9c25cfc6c0
[  573.522469][   T27] R10: 00007f9c25cfc6c0 R11: 0000000000000246 R12: 00007f9c25dc63ec
[  573.530576][   T27] R13: 00007f9c25d931b4 R14: 64626e2f7665642f R15: 00007ffc8dac5118
[  573.538580][   T27]  </TASK>
[  573.541582][   T27] 
[  573.541582][   T27] Showing all locks held in the system:
[  573.549404][   T27] 1 lock held by khungtaskd/27:
[  573.554256][   T27]  #0: ffffffff8c91e920 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[  573.563701][   T27] 2 locks held by getty/3258:
[  573.568512][   T27]  #0: ffff8880240e8098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[  573.578374][   T27]  #1: ffffc90002bb32e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1da0
[  573.588536][   T27] 1 lock held by udevd/3532:
[  573.593132][   T27]  #0: ffff88801b2d2118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x14d/0xa50
[  573.603197][   T27] 1 lock held by syz-executor541/3543:
[  573.608690][   T27]  #0: ffff88801b2d2118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfb/0x790
[  573.618215][   T27] 
[  573.620680][   T27] =============================================
[  573.620680][   T27] 
[  573.629148][   T27] NMI backtrace for cpu 0
[  573.633477][   T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.123-syzkaller #0
[  573.641530][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
[  573.651753][   T27] Call Trace:
[  573.655031][   T27]  <TASK>
[  573.658066][   T27]  dump_stack_lvl+0x1e3/0x2cb
[  573.662843][   T27]  ? io_uring_drop_tctx_refs+0x19d/0x19d
[  573.668479][   T27]  ? panic+0x84d/0x84d
[  573.672542][   T27]  ? nmi_cpu_backtrace+0x23b/0x4a0
[  573.677810][   T27]  nmi_cpu_backtrace+0x46a/0x4a0
[  573.682828][   T27]  ? __wake_up_klogd+0xd5/0x100
[  573.687683][   T27]  ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[  573.693839][   T27]  ? _printk+0xd1/0x111
[  573.697976][   T27]  ? panic+0x84d/0x84d
[  573.702023][   T27]  ? __wake_up_klogd+0xcc/0x100
[  573.706851][   T27]  ? panic+0x84d/0x84d
[  573.710914][   T27]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  573.717017][   T27]  nmi_trigger_cpumask_backtrace+0x181/0x2a0
[  573.723001][   T27]  watchdog+0xe72/0xeb0
[  573.727199][   T27]  kthread+0x3f6/0x4f0
[  573.731248][   T27]  ? hungtask_pm_notify+0x50/0x50
[  573.736346][   T27]  ? kthread_blkcg+0xd0/0xd0
[  573.740918][   T27]  ret_from_fork+0x1f/0x30
[  573.745367][   T27]  </TASK>
[  573.748530][   T27] Sending NMI from CPU 0 to CPUs 1:
[  573.753758][    C1] NMI backtrace for cpu 1 skipped: idling at acpi_idle_do_entry+0x10f/0x340
[  573.754808][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  573.769986][   T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.123-syzkaller #0
[  573.778116][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
[  573.788167][   T27] Call Trace:
[  573.791427][   T27]  <TASK>
[  573.794340][   T27]  dump_stack_lvl+0x1e3/0x2cb
[  573.799093][   T27]  ? io_uring_drop_tctx_refs+0x19d/0x19d
[  573.804702][   T27]  ? panic+0x84d/0x84d
[  573.808751][   T27]  panic+0x318/0x84d
[  573.812704][   T27]  ? schedule_preempt_disabled+0x20/0x20
[  573.818310][   T27]  ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[  573.824441][   T27]  ? fb_is_primary_device+0xcc/0xcc
[  573.829614][   T27]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  573.835659][   T27]  ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[  573.841788][   T27]  ? nmi_trigger_cpumask_backtrace+0x281/0x2a0
[  573.847916][   T27]  ? nmi_trigger_cpumask_backtrace+0x286/0x2a0
[  573.854067][   T27]  watchdog+0xeb0/0xeb0
[  573.858229][   T27]  kthread+0x3f6/0x4f0
[  573.862291][   T27]  ? hungtask_pm_notify+0x50/0x50
[  573.867303][   T27]  ? kthread_blkcg+0xd0/0xd0
[  573.871882][   T27]  ret_from_fork+0x1f/0x30
[  573.876288][   T27]  </TASK>
[  573.879505][   T27] Kernel Offset: disabled
[  573.883817][   T27] Rebooting in 86400 seconds..