Warning: Permanently added '10.128.0.151' (ED25519) to the list of known hosts.
executing program
[   69.126555][ T4170] nbd0: detected capacity change from 0 to 121732
[   69.288490][ T4164] block nbd0: Receive control failed (result -104)
[   69.289357][ T4170] block nbd0: shutting down sockets
[   69.304397][    C1] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[   69.315393][    C1] Buffer I/O error on dev nbd0, logical block 0, async page read
[   69.323288][ T4165] ldm_validate_partition_table(): Disk read failed.
[   69.330344][ T4165] Dev nbd0: unable to read RDB block 0
executing program
[   69.335992][ T4165]  nbd0: unable to read partition table
[   69.341642][ T4165] nbd0: partition table beyond EOD, truncated
[   69.405032][ T4172] nbd0: detected capacity change from 0 to 121732
[   69.566766][ T4164] block nbd0: Receive control failed (result -104)
[   69.567253][ T4172] block nbd0: shutting down sockets
[   69.583850][    C1] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[   69.594699][    C1] Buffer I/O error on dev nbd0, logical block 0, async page read
[   69.602537][ T4165] ldm_validate_partition_table(): Disk read failed.
[   69.609268][ T4165] Dev nbd0: unable to read RDB block 0
executing program
[   69.614784][ T4165]  nbd0: unable to read partition table
[   69.620393][ T4165] nbd0: partition table beyond EOD, truncated
[   69.694656][ T4175] nbd0: detected capacity change from 0 to 121732
[   69.848010][ T4164] block nbd0: Receive control failed (result -104)
[   69.849200][ T4175] block nbd0: shutting down sockets
[   69.864411][    C1] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[   69.875249][    C1] Buffer I/O error on dev nbd0, logical block 0, async page read
[   69.883081][ T4165] ldm_validate_partition_table(): Disk read failed.
[   69.889893][ T4165] Dev nbd0: unable to read RDB block 0
executing program
[   69.895461][ T4165]  nbd0: unable to read partition table
[   69.901065][ T4165] nbd0: partition table beyond EOD, truncated
[   69.964455][ T4177] nbd0: detected capacity change from 0 to 121732
[   70.126190][ T4164] block nbd0: Receive control failed (result -104)
[   71.054462][ T3561] Bluetooth: hci0: command 0x0409 tx timeout
[   73.133816][ T1107] Bluetooth: hci0: command 0x041b tx timeout
[   75.213831][ T1107] Bluetooth: hci0: command 0x040f tx timeout
[   77.293829][ T1107] Bluetooth: hci0: command 0x0419 tx timeout
[   86.895546][   T23] cfg80211: failed to load regulatory.db
[  100.333800][ T1201] block nbd0: Possible stuck request ffff888021108200: control (read@0,4096B). Runtime 30 seconds
[  130.413807][ T1201] block nbd0: Possible stuck request ffff888021108200: control (read@0,4096B). Runtime 60 seconds
[  130.910703][ T3545] udevd[3545]: worker [4165] /devices/virtual/block/nbd0 is taking a long time
[  160.493830][ T1201] block nbd0: Possible stuck request ffff888021108200: control (read@0,4096B). Runtime 90 seconds
[  190.573747][ T1201] block nbd0: Possible stuck request ffff888021108200: control (read@0,4096B). Runtime 120 seconds
[  191.373754][ T1107] Bluetooth: hci0: command 0x0406 tx timeout
[  220.653739][ T1201] block nbd0: Possible stuck request ffff888021108200: control (read@0,4096B). Runtime 150 seconds
[  250.733735][ T1201] block nbd0: Possible stuck request ffff888021108200: control (read@0,4096B). Runtime 180 seconds
[  251.068694][ T3545] udevd[3545]: worker [4165] /devices/virtual/block/nbd0 timeout; kill it
[  251.078543][ T3545] udevd[3545]: seq 8407 '/devices/virtual/block/nbd0' killed
[  280.813707][ T1201] block nbd0: Possible stuck request ffff888021108200: control (read@0,4096B). Runtime 210 seconds
[  286.574549][   T27] INFO: task udevd:4165 blocked for more than 143 seconds.
[  286.581928][   T27]       Not tainted 5.15.176-syzkaller #0
[  286.587736][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  286.596457][   T27] task:udevd           state:D stack:24544 pid: 4165 ppid:  3545 flags:0x00004006
[  286.605752][   T27] Call Trace:
[  286.609040][   T27]  <TASK>
[  286.611971][   T27]  __schedule+0x12c4/0x45b0
[  286.616566][   T27]  ? release_firmware_map_entry+0x190/0x190
[  286.622482][   T27]  ? preempt_schedule+0xd9/0xe0
[  286.627401][   T27]  ? release_firmware_map_entry+0x190/0x190
[  286.633312][   T27]  ? preempt_schedule+0xd9/0xe0
[  286.638296][   T27]  ? schedule_preempt_disabled+0x20/0x20
[  286.644064][   T27]  ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[  286.650062][   T27]  ? print_irqtrace_events+0x210/0x210
[  286.655567][   T27]  ? _raw_spin_lock_irq+0xdb/0x110
[  286.660720][   T27]  schedule+0x11b/0x1f0
[  286.664921][   T27]  io_schedule+0x88/0x100
[  286.669264][   T27]  wait_on_page_bit_common+0xa13/0x1180
[  286.675034][   T27]  ? wait_on_page_bit+0x50/0x50
[  286.679897][   T27]  ? blkdev_fallocate+0x4e0/0x4e0
[  286.685008][   T27]  ? rcu_lock_release+0x20/0x20
[  286.689881][   T27]  ? vsnprintf+0x1c70/0x1c70
[  286.694541][   T27]  do_read_cache_page+0x9c1/0x1040
[  286.699680][   T27]  read_part_sector+0xd8/0x530
[  286.704641][   T27]  adfspart_check_ICS+0xd9/0xd00
[  286.709712][   T27]  ? ptr_to_hashval+0x60/0x60
[  286.714678][   T27]  ? adfspart_check_ADFS+0x8b0/0x8b0
[  286.719978][   T27]  ? snprintf+0xd6/0x120
[  286.724274][   T27]  ? __rmqueue_pcplist+0x23a0/0x23a0
[  286.729608][   T27]  ? __vmalloc_node_range+0x6aa/0x8c0
[  286.735299][   T27]  ? vsnprintf+0x1b89/0x1c70
[  286.739948][   T27]  ? vsnprintf+0x190/0x1c70
[  286.744795][   T27]  ? vscnprintf+0x80/0x80
[  286.749225][   T27]  ? alloc_pages+0x458/0x570
[  286.754106][   T27]  bdev_disk_changed+0x964/0x16e0
[  286.759166][   T27]  ? blk_drop_partitions+0x1b0/0x1b0
[  286.764623][   T27]  ? iput+0x371/0x8b0
[  286.768821][   T27]  blkdev_get_whole+0x2fb/0x390
[  286.773796][   T27]  blkdev_get_by_dev+0x2bc/0xa50
[  286.778774][   T27]  blkdev_open+0x138/0x2d0
[  286.783213][   T27]  ? block_ioctl+0xf0/0xf0
[  286.787804][   T27]  do_dentry_open+0x807/0xfb0
[  286.792621][   T27]  path_openat+0x2705/0x2f20
[  286.797323][   T27]  ? do_filp_open+0x460/0x460
[  286.802213][   T27]  do_filp_open+0x21c/0x460
[  286.806798][   T27]  ? vfs_tmpfile+0x2e0/0x2e0
[  286.811538][   T27]  ? _raw_spin_unlock+0x24/0x40
[  286.816948][   T27]  ? alloc_fd+0x598/0x630
[  286.821412][   T27]  do_sys_openat2+0x13b/0x4f0
[  286.826181][   T27]  ? do_sys_open+0x220/0x220
[  286.830818][   T27]  ? __fdget+0x158/0x220
[  286.835242][   T27]  __x64_sys_openat+0x243/0x290
[  286.840117][   T27]  ? __ia32_sys_open+0x270/0x270
[  286.845122][   T27]  ? syscall_enter_from_user_mode+0x2e/0x240
[  286.851123][   T27]  ? lockdep_hardirqs_on+0x94/0x130
[  286.856372][   T27]  ? syscall_enter_from_user_mode+0x2e/0x240
[  286.862374][   T27]  do_syscall_64+0x3b/0xb0
[  286.866851][   T27]  ? clear_bhb_loop+0x15/0x70
[  286.871543][   T27]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  286.877523][   T27] RIP: 0033:0x7f3d9ded59a4
[  286.881958][   T27] RSP: 002b:00007ffdc6fc51a0 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[  286.890677][   T27] RAX: ffffffffffffffda RBX: 0000555577043170 RCX: 00007f3d9ded59a4
[  286.899239][   T27] RDX: 00000000000a0800 RSI: 00005555770284d0 RDI: 00000000ffffff9c
[  286.907279][   T27] RBP: 00005555770284d0 R08: 0000000000000001 R09: 0000000000000010
[  286.915303][   T27] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000a0800
[  286.923295][   T27] R13: 0000555577044b90 R14: 0000000000000001 R15: 0000555577027910
[  286.931343][   T27]  </TASK>
[  286.934416][   T27] INFO: task syz-executor151:4177 blocked for more than 143 seconds.
[  286.942487][   T27]       Not tainted 5.15.176-syzkaller #0
[  286.948272][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  286.957263][   T27] task:syz-executor151 state:D stack:25912 pid: 4177 ppid:  4163 flags:0x00004006
[  286.966643][   T27] Call Trace:
[  286.969970][   T27]  <TASK>
[  286.972907][   T27]  __schedule+0x12c4/0x45b0
[  286.977886][   T27]  ? release_firmware_map_entry+0x190/0x190
[  286.983875][   T27]  ? __mutex_trylock_common+0x8d/0x2e0
[  286.989406][   T27]  ? do_raw_spin_unlock+0x137/0x8b0
[  286.994749][   T27]  schedule+0x11b/0x1f0
[  286.998932][   T27]  schedule_preempt_disabled+0xf/0x20
[  287.004350][   T27]  __mutex_lock_common+0xe34/0x25a0
[  287.009587][   T27]  ? blkdev_put+0xfb/0x790
[  287.014056][   T27]  ? mutex_lock_io_nested+0x60/0x60
[  287.019358][   T27]  mutex_lock_nested+0x17/0x20
[  287.024181][   T27]  blkdev_put+0xfb/0x790
[  287.028446][   T27]  ? __rwlock_init+0x140/0x140
[  287.033421][   T27]  blkdev_close+0x7c/0xa0
[  287.037798][   T27]  ? blkdev_open+0x2d0/0x2d0
[  287.042401][   T27]  __fput+0x3fe/0x8e0
[  287.046445][   T27]  task_work_run+0x129/0x1a0
[  287.051154][   T27]  get_signal+0x143a/0x14e0
[  287.055856][   T27]  ? nbd_ioctl+0xb60/0xe10
[  287.060338][   T27]  ? kasan_save_stack+0x4d/0x60
[  287.065254][   T27]  ? kasan_save_stack+0x36/0x60
[  287.070120][   T27]  ? kasan_record_aux_stack+0xba/0x100
[  287.075628][   T27]  ? task_work_add+0x2f/0x1d0
[  287.080324][   T27]  arch_do_signal_or_restart+0xc3/0x1890
[  287.086092][   T27]  ? get_sigframe_size+0x10/0x10
[  287.091081][   T27]  ? exit_to_user_mode_loop+0x39/0x130
[  287.096632][   T27]  exit_to_user_mode_loop+0x97/0x130
[  287.101935][   T27]  exit_to_user_mode_prepare+0xb1/0x140
[  287.107533][   T27]  syscall_exit_to_user_mode+0x5d/0x240
[  287.113097][   T27]  do_syscall_64+0x47/0xb0
[  287.117566][   T27]  ? clear_bhb_loop+0x15/0x70
[  287.122256][   T27]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  287.128521][   T27] RIP: 0033:0x7efe4c642af9
[  287.132966][   T27] RSP: 002b:00007efe4bdf7228 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  287.141547][   T27] RAX: 0000000000000000 RBX: 00007efe4c6c2328 RCX: 00007efe4c642af9
[  287.149622][   T27] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[  287.158024][   T27] RBP: 00007efe4c6c2320 R08: 00007efe4bdf76c0 R09: 00007efe4bdf76c0
[  287.166064][   T27] R10: 00007efe4bdf76c0 R11: 0000000000000246 R12: 00007efe4c6c232c
[  287.174176][   T27] R13: 00007efe4c68f424 R14: 64626e2f7665642f R15: 00007ffe5ca59bf8
[  287.182184][   T27]  </TASK>
[  287.185303][   T27] 
[  287.185303][   T27] Showing all locks held in the system:
[  287.193037][   T27] 1 lock held by khungtaskd/27:
[  287.197971][   T27]  #0: ffffffff8cb1fce0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[  287.207490][   T27] 2 locks held by getty/3930:
[  287.212168][   T27]  #0: ffff88814d059098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[  287.222168][   T27]  #1: ffffc900025c62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0
[  287.232462][   T27] 1 lock held by udevd/4165:
[  287.237106][   T27]  #0: ffff888020f30518 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x14d/0xa50
[  287.247198][   T27] 1 lock held by syz-executor151/4177:
[  287.252667][   T27]  #0: ffff888020f30518 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfb/0x790
[  287.262101][   T27] 
[  287.264503][   T27] =============================================
[  287.264503][   T27] 
[  287.272929][   T27] NMI backtrace for cpu 1
[  287.277272][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.176-syzkaller #0
[  287.285359][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  287.295406][   T27] Call Trace:
[  287.298831][   T27]  <TASK>
[  287.301774][   T27]  dump_stack_lvl+0x1e3/0x2d0
[  287.306455][   T27]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  287.312102][   T27]  ? panic+0x860/0x860
[  287.316327][   T27]  ? nmi_cpu_backtrace+0x23b/0x4a0
[  287.321623][   T27]  nmi_cpu_backtrace+0x46a/0x4a0
[  287.326602][   T27]  ? __wake_up_klogd+0xd5/0x100
[  287.331457][   T27]  ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[  287.337613][   T27]  ? _printk+0xd1/0x120
[  287.341768][   T27]  ? panic+0x860/0x860
[  287.345984][   T27]  ? __wake_up_klogd+0xcc/0x100
[  287.350924][   T27]  ? panic+0x860/0x860
[  287.355010][   T27]  ? __rcu_read_unlock+0x92/0x100
[  287.360097][   T27]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  287.366213][   T27]  nmi_trigger_cpumask_backtrace+0x181/0x2a0
[  287.372216][   T27]  watchdog+0xe72/0xeb0
[  287.376391][   T27]  kthread+0x3f6/0x4f0
[  287.380561][   T27]  ? hungtask_pm_notify+0x50/0x50
[  287.385586][   T27]  ? kthread_blkcg+0xd0/0xd0
[  287.390172][   T27]  ret_from_fork+0x1f/0x30
[  287.394656][   T27]  </TASK>
[  287.397817][   T27] Sending NMI from CPU 1 to CPUs 0:
[  287.403058][    C0] NMI backtrace for cpu 0 skipped: idling at acpi_idle_do_entry+0x10f/0x340
[  287.404045][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  287.418650][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.176-syzkaller #0
[  287.426650][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[  287.436707][   T27] Call Trace:
[  287.440066][   T27]  <TASK>
[  287.443009][   T27]  dump_stack_lvl+0x1e3/0x2d0
[  287.447687][   T27]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  287.453448][   T27]  ? panic+0x860/0x860
[  287.457538][   T27]  panic+0x318/0x860
[  287.461439][   T27]  ? schedule_preempt_disabled+0x20/0x20
[  287.467068][   T27]  ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[  287.473232][   T27]  ? fb_is_primary_device+0xd0/0xd0
[  287.478536][   T27]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  287.484621][   T27]  ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[  287.490882][   T27]  ? nmi_trigger_cpumask_backtrace+0x281/0x2a0
[  287.497042][   T27]  ? nmi_trigger_cpumask_backtrace+0x286/0x2a0
[  287.503204][   T27]  watchdog+0xeb0/0xeb0
[  287.507373][   T27]  kthread+0x3f6/0x4f0
[  287.511454][   T27]  ? hungtask_pm_notify+0x50/0x50
[  287.516491][   T27]  ? kthread_blkcg+0xd0/0xd0
[  287.521120][   T27]  ret_from_fork+0x1f/0x30
[  287.525550][   T27]  </TASK>
[  287.528875][   T27] Kernel Offset: disabled
[  287.533207][   T27] Rebooting in 86400 seconds..