Warning: Permanently added '10.128.0.2' (ED25519) to the list of known hosts.
executing program
[  404.325278][ T3520] nbd0: detected capacity change from 0 to 65538
[  404.446224][  T146] block nbd0: Receive control failed (result -104)
[  404.447082][ T3517] block nbd0: shutting down sockets
[  404.459180][    C0] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[  404.470225][    C0] Buffer I/O error on dev nbd0, logical block 0, async page read
[  404.478230][ T3519] ldm_validate_partition_table(): Disk read failed.
[  404.485145][ T3519] Dev nbd0: unable to read RDB block 0
[  404.490666][ T3519]  nbd0: unable to read partition table
executing program
[  404.496420][ T3519] nbd0: partition table beyond EOD, truncated
[  404.594222][ T3523] nbd0: detected capacity change from 0 to 65538
[  404.714644][  T146] block nbd0: Receive control failed (result -104)
[  404.716171][ T3522] block nbd0: shutting down sockets
[  404.727920][    C0] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[  404.738749][    C0] Buffer I/O error on dev nbd0, logical block 0, async page read
[  404.746744][ T3519] ldm_validate_partition_table(): Disk read failed.
[  404.753469][ T3519] Dev nbd0: unable to read RDB block 0
[  404.759031][ T3519]  nbd0: unable to read partition table
executing program
[  404.764785][ T3519] nbd0: partition table beyond EOD, truncated
[  404.881832][ T3525] nbd0: detected capacity change from 0 to 65538
[  405.001492][  T146] block nbd0: Receive control failed (result -104)
[  405.009041][ T3526] block nbd0: shutting down sockets
[  405.022879][    C0] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[  405.033711][    C0] Buffer I/O error on dev nbd0, logical block 0, async page read
[  405.041523][ T3519] ldm_validate_partition_table(): Disk read failed.
executing program
[  405.048324][ T3519] Dev nbd0: unable to read RDB block 0
[  405.053847][ T3519]  nbd0: unable to read partition table
[  405.059501][ T3519] nbd0: partition table beyond EOD, truncated
[  405.164166][ T3529] nbd0: detected capacity change from 0 to 65538
[  405.283843][  T146] block nbd0: Receive control failed (result -104)
[  405.284229][ T3528] block nbd0: shutting down sockets
[  405.296889][    C0] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[  405.307723][    C0] Buffer I/O error on dev nbd0, logical block 0, async page read
[  405.315729][ T3519] ldm_validate_partition_table(): Disk read failed.
[  405.322375][ T3519] Dev nbd0: unable to read RDB block 0
[  405.327977][ T3519]  nbd0: unable to read partition table
executing program
[  405.333675][ T3519] nbd0: partition table beyond EOD, truncated
[  405.449629][ T3531] nbd0: detected capacity change from 0 to 65538
[  405.569097][  T146] block nbd0: Receive control failed (result -104)
[  405.569728][ T3532] block nbd0: shutting down sockets
[  405.581967][    C0] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[  405.592820][    C0] Buffer I/O error on dev nbd0, logical block 0, async page read
[  405.600636][ T3519] ldm_validate_partition_table(): Disk read failed.
[  405.607391][ T3519] Dev nbd0: unable to read RDB block 0
[  405.612995][ T3519]  nbd0: unable to read partition table
executing program
[  405.618764][ T3519] nbd0: partition table beyond EOD, truncated
[  405.734280][ T3535] nbd0: detected capacity change from 0 to 65538
[  405.854577][  T146] block nbd0: Receive control failed (result -104)
[  405.855206][ T3534] block nbd0: shutting down sockets
[  405.867337][    C0] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[  405.878282][    C0] Buffer I/O error on dev nbd0, logical block 0, async page read
[  405.886163][ T3519] ldm_validate_partition_table(): Disk read failed.
[  405.892992][ T3519] Dev nbd0: unable to read RDB block 0
[  405.898468][ T3519]  nbd0: unable to read partition table
executing program
[  405.904231][ T3519] nbd0: partition table beyond EOD, truncated
[  406.019717][ T3537] nbd0: detected capacity change from 0 to 65538
[  406.140270][  T146] block nbd0: Receive control failed (result -104)
[  406.140873][ T3538] block nbd0: shutting down sockets
[  406.153013][    C0] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[  406.163866][    C0] Buffer I/O error on dev nbd0, logical block 0, async page read
[  406.171866][ T3519] ldm_validate_partition_table(): Disk read failed.
[  406.178628][ T3519] Dev nbd0: unable to read RDB block 0
[  406.184179][ T3519]  nbd0: unable to read partition table
executing program
[  406.189777][ T3519] nbd0: partition table beyond EOD, truncated
[  406.304223][ T3541] nbd0: detected capacity change from 0 to 65538
[  406.425620][  T146] block nbd0: Receive control failed (result -104)
[  406.426411][ T3540] block nbd0: shutting down sockets
[  406.438837][    C1] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[  406.449898][    C1] Buffer I/O error on dev nbd0, logical block 0, async page read
[  406.457922][ T3519] ldm_validate_partition_table(): Disk read failed.
[  406.464586][ T3519] Dev nbd0: unable to read RDB block 0
[  406.470149][ T3519]  nbd0: unable to read partition table
executing program
[  406.475803][ T3519] nbd0: partition table beyond EOD, truncated
[  406.589738][ T3543] nbd0: detected capacity change from 0 to 65538
[  406.709382][  T146] block nbd0: Receive control failed (result -104)
[  406.709878][ T3544] block nbd0: shutting down sockets
[  406.721856][    C1] blk_update_request: I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
[  406.732812][    C1] Buffer I/O error on dev nbd0, logical block 0, async page read
[  406.740883][ T3519] ldm_validate_partition_table(): Disk read failed.
[  406.747646][ T3519] Dev nbd0: unable to read RDB block 0
[  406.753325][ T3519]  nbd0: unable to read partition table
executing program
[  406.758971][ T3519] nbd0: partition table beyond EOD, truncated
[  406.873753][ T3546] nbd0: detected capacity change from 0 to 65538
[  406.993615][  T146] block nbd0: Receive control failed (result -104)
[  437.172755][  T150] block nbd0: Possible stuck request ffff88801b508e00: control (read@0,4096B). Runtime 30 seconds
[  466.952753][ T2948] udevd[2948]: worker [3519] /devices/virtual/block/nbd0 is taking a long time
[  467.252735][  T150] block nbd0: Possible stuck request ffff88801b508e00: control (read@0,4096B). Runtime 60 seconds
[  497.332695][  T150] block nbd0: Possible stuck request ffff88801b508e00: control (read@0,4096B). Runtime 90 seconds
[  527.412665][  T150] block nbd0: Possible stuck request ffff88801b508e00: control (read@0,4096B). Runtime 120 seconds
[  557.492723][  T150] block nbd0: Possible stuck request ffff88801b508e00: control (read@0,4096B). Runtime 150 seconds
[  572.852722][   T27] INFO: task udevd:3519 blocked for more than 143 seconds.
[  572.860026][   T27]       Not tainted 5.15.126-syzkaller #0
[  572.865922][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  572.874731][   T27] task:udevd           state:D stack:24128 pid: 3519 ppid:  2948 flags:0x00004002
[  572.883988][   T27] Call Trace:
[  572.887282][   T27]  <TASK>
[  572.890221][   T27]  __schedule+0x12c4/0x4590
[  572.894998][   T27]  ? __sched_text_start+0x8/0x8
[  572.899914][   T27]  ? preempt_schedule+0xd9/0xe0
[  572.904911][   T27]  ? __sched_text_start+0x8/0x8
[  572.909783][   T27]  ? preempt_schedule+0xd9/0xe0
[  572.914771][   T27]  ? schedule_preempt_disabled+0x20/0x20
[  572.920567][   T27]  ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[  572.928115][   T27]  ? print_irqtrace_events+0x210/0x210
[  572.933625][   T27]  ? _raw_spin_lock_irq+0xdb/0x110
[  572.938993][   T27]  schedule+0x11b/0x1f0
[  572.943197][   T27]  io_schedule+0x88/0x100
[  572.947550][   T27]  wait_on_page_bit_common+0xa13/0x1180
[  572.953205][   T27]  ? wait_on_page_bit+0x50/0x50
[  572.958101][   T27]  ? blkdev_fallocate+0x3d0/0x3d0
[  572.963273][   T27]  ? rcu_lock_release+0x20/0x20
[  572.968155][   T27]  ? vsnprintf+0x1c70/0x1c70
[  572.972813][   T27]  do_read_cache_page+0x9c1/0x1040
[  572.977953][   T27]  read_part_sector+0xd8/0x530
[  572.982825][   T27]  adfspart_check_ICS+0xd9/0xd00
[  572.987779][   T27]  ? ptr_to_hashval+0x60/0x60
[  572.992588][   T27]  ? adfspart_check_ADFS+0x8b0/0x8b0
[  572.997890][   T27]  ? snprintf+0xd6/0x120
[  573.002134][   T27]  ? __rmqueue_pcplist+0x2030/0x2030
[  573.007488][   T27]  ? __vmalloc_node_range+0x6aa/0x8c0
[  573.012971][   T27]  ? vsnprintf+0x1b8c/0x1c70
[  573.017572][   T27]  ? vsnprintf+0x191/0x1c70
[  573.023067][   T27]  ? vscnprintf+0x80/0x80
[  573.027447][   T27]  ? alloc_pages+0x458/0x570
[  573.032129][   T27]  bdev_disk_changed+0x982/0x1760
[  573.037357][   T27]  ? blk_drop_partitions+0x1b0/0x1b0
[  573.042689][   T27]  ? iput+0x371/0x8b0
[  573.046727][   T27]  blkdev_get_whole+0x2fb/0x390
[  573.051580][   T27]  blkdev_get_by_dev+0x2b2/0xa50
[  573.056565][   T27]  blkdev_open+0x138/0x2d0
[  573.061003][   T27]  ? block_ioctl+0xf0/0xf0
[  573.065484][   T27]  do_dentry_open+0x807/0xfb0
[  573.070254][   T27]  path_openat+0x2702/0x2f20
[  573.074901][   T27]  ? validate_chain+0x112/0x58b0
[  573.079877][   T27]  ? mark_lock+0x98/0x340
[  573.084260][   T27]  ? do_filp_open+0x460/0x460
[  573.089673][   T27]  do_filp_open+0x21c/0x460
[  573.094240][   T27]  ? vfs_tmpfile+0x2e0/0x2e0
[  573.098869][   T27]  ? _raw_spin_unlock+0x24/0x40
[  573.103769][   T27]  ? alloc_fd+0x594/0x630
[  573.108121][   T27]  do_sys_openat2+0x13b/0x500
[  573.112839][   T27]  ? read_lock_is_recursive+0x10/0x10
[  573.118236][   T27]  ? do_sys_open+0x220/0x220
[  573.122866][   T27]  ? __fdget+0x158/0x220
[  573.127136][   T27]  __x64_sys_openat+0x243/0x290
[  573.131991][   T27]  ? __ia32_sys_open+0x270/0x270
[  573.136983][   T27]  ? syscall_enter_from_user_mode+0x2e/0x230
[  573.143094][   T27]  ? lockdep_hardirqs_on+0x94/0x130
[  573.148296][   T27]  ? syscall_enter_from_user_mode+0x2e/0x230
[  573.154309][   T27]  do_syscall_64+0x3d/0xb0
[  573.158742][   T27]  entry_SYSCALL_64_after_hwframe+0x61/0xcb
[  573.164838][   T27] RIP: 0033:0x7fd42a3fd9a4
[  573.169281][   T27] RSP: 002b:00007ffe9b2b0be0 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[  573.177744][   T27] RAX: ffffffffffffffda RBX: 0000563fcef5d2c0 RCX: 00007fd42a3fd9a4
[  573.185936][   T27] RDX: 00000000000a0800 RSI: 0000563fcef707f0 RDI: 00000000ffffff9c
[  573.193971][   T27] RBP: 0000563fcef707f0 R08: 0000000000000001 R09: 0000000000000010
[  573.201964][   T27] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000a0800
[  573.209987][   T27] R13: 0000563fcef65af0 R14: 0000000000000001 R15: 0000563fcef5c910
[  573.218015][   T27]  </TASK>
[  573.221054][   T27] INFO: task syz-executor128:3547 blocked for more than 143 seconds.
[  573.229164][   T27]       Not tainted 5.15.126-syzkaller #0
[  573.234918][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  573.243615][   T27] task:syz-executor128 state:D stack:27832 pid: 3547 ppid:  3515 flags:0x00004006
[  573.252869][   T27] Call Trace:
[  573.256169][   T27]  <TASK>
[  573.259101][   T27]  __schedule+0x12c4/0x4590
[  573.263680][   T27]  ? __sched_text_start+0x8/0x8
[  573.268549][   T27]  ? __mutex_trylock_common+0x8d/0x2e0
[  573.274070][   T27]  ? do_raw_spin_unlock+0x137/0x8b0
[  573.279297][   T27]  schedule+0x11b/0x1f0
[  573.283512][   T27]  schedule_preempt_disabled+0xf/0x20
[  573.288906][   T27]  __mutex_lock_common+0xe34/0x25a0
[  573.294162][   T27]  ? blkdev_put+0xfb/0x790
[  573.298599][   T27]  ? mutex_lock_io_nested+0x60/0x60
[  573.303859][   T27]  mutex_lock_nested+0x17/0x20
[  573.308678][   T27]  blkdev_put+0xfb/0x790
[  573.312979][   T27]  ? __rwlock_init+0x140/0x140
[  573.317766][   T27]  blkdev_close+0x7c/0xa0
[  573.322095][   T27]  ? blkdev_open+0x2d0/0x2d0
[  573.326731][   T27]  __fput+0x3bf/0x890
[  573.330736][   T27]  task_work_run+0x129/0x1a0
[  573.335475][   T27]  get_signal+0x143a/0x14e0
[  573.340035][   T27]  ? nbd_ioctl+0xb60/0xe10
[  573.344565][   T27]  ? kasan_save_stack+0x4d/0x60
[  573.349467][   T27]  ? kasan_save_stack+0x36/0x60
[  573.354353][   T27]  ? kasan_record_aux_stack+0xba/0x100
[  573.359825][   T27]  ? task_work_add+0x2f/0x1d0
[  573.364550][   T27]  arch_do_signal_or_restart+0xc3/0x1890
[  573.370275][   T27]  ? get_sigframe_size+0x10/0x10
[  573.375283][   T27]  ? exit_to_user_mode_loop+0x39/0x130
[  573.380813][   T27]  exit_to_user_mode_loop+0x97/0x130
[  573.386148][   T27]  exit_to_user_mode_prepare+0xb1/0x140
[  573.391709][   T27]  syscall_exit_to_user_mode+0x5d/0x250
[  573.397321][   T27]  do_syscall_64+0x49/0xb0
[  573.401761][   T27]  entry_SYSCALL_64_after_hwframe+0x61/0xcb
[  573.407851][   T27] RIP: 0033:0x7fa682dd84b9
[  573.412284][   T27] RSP: 002b:00007fa682d75228 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  573.420824][   T27] RAX: 0000000000000000 RBX: 00007fa682e5f338 RCX: 00007fa682dd84b9
[  573.428831][   T27] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[  573.436849][   T27] RBP: 00007fa682e5f330 R08: 00007ffccc708dc7 R09: 00007fa682d756c0
[  573.444864][   T27] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa682e5f33c
[  573.452869][   T27] R13: 00007fa682e2c1a4 R14: 64626e2f7665642f R15: 00007ffccc708dc8
[  573.460871][   T27]  </TASK>
[  573.463957][   T27] 
[  573.463957][   T27] Showing all locks held in the system:
[  573.471678][   T27] 1 lock held by khungtaskd/27:
[  573.476563][   T27]  #0: ffffffff8c91f0a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[  573.485982][   T27] 2 locks held by getty/3244:
[  573.490653][   T27]  #0: ffff88814bc50098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[  573.500514][   T27]  #1: ffffc90002bb32e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6af/0x1db0
[  573.510712][   T27] 1 lock held by udevd/3519:
[  573.515344][   T27]  #0: ffff88801b482118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x14d/0xa50
[  573.525395][   T27] 1 lock held by syz-executor128/3547:
[  573.530873][   T27]  #0: ffff88801b482118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfb/0x790
[  573.540245][   T27] 
[  573.542601][   T27] =============================================
[  573.542601][   T27] 
[  573.551085][   T27] NMI backtrace for cpu 1
[  573.555424][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.126-syzkaller #0
[  573.563389][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  573.573431][   T27] Call Trace:
[  573.576697][   T27]  <TASK>
[  573.579617][   T27]  dump_stack_lvl+0x1e3/0x2cb
[  573.584323][   T27]  ? io_uring_drop_tctx_refs+0x19d/0x19d
[  573.589947][   T27]  ? panic+0x84d/0x84d
[  573.594011][   T27]  ? nmi_cpu_backtrace+0x23b/0x4a0
[  573.599171][   T27]  nmi_cpu_backtrace+0x46a/0x4a0
[  573.604100][   T27]  ? __wake_up_klogd+0xd5/0x100
[  573.608943][   T27]  ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[  573.615088][   T27]  ? _printk+0xd1/0x111
[  573.619232][   T27]  ? panic+0x84d/0x84d
[  573.623293][   T27]  ? __wake_up_klogd+0xcc/0x100
[  573.628135][   T27]  ? panic+0x84d/0x84d
[  573.632199][   T27]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  573.638408][   T27]  nmi_trigger_cpumask_backtrace+0x181/0x2a0
[  573.644387][   T27]  watchdog+0xe72/0xeb0
[  573.648555][   T27]  kthread+0x3f6/0x4f0
[  573.652614][   T27]  ? hungtask_pm_notify+0x50/0x50
[  573.657627][   T27]  ? kthread_blkcg+0xd0/0xd0
[  573.662206][   T27]  ret_from_fork+0x1f/0x30
[  573.666632][   T27]  </TASK>
[  573.669733][   T27] Sending NMI from CPU 1 to CPUs 0:
[  573.674997][    C0] NMI backtrace for cpu 0 skipped: idling at acpi_idle_do_entry+0x10f/0x340
[  573.675975][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  573.691462][   T27] CPU: 1 PID: 27 Comm: khungtaskd Not tainted 5.15.126-syzkaller #0
[  573.699431][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
[  573.709599][   T27] Call Trace:
[  573.712875][   T27]  <TASK>
[  573.715797][   T27]  dump_stack_lvl+0x1e3/0x2cb
[  573.720474][   T27]  ? io_uring_drop_tctx_refs+0x19d/0x19d
[  573.726120][   T27]  ? panic+0x84d/0x84d
[  573.730187][   T27]  panic+0x318/0x84d
[  573.734079][   T27]  ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[  573.740400][   T27]  ? fb_is_primary_device+0xcc/0xcc
[  573.745590][   T27]  ? panic+0x84d/0x84d
[  573.749652][   T27]  ? irq_work_queue+0xcd/0x150
[  573.754502][   T27]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  573.760649][   T27]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  573.766707][   T27]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  573.772766][   T27]  ? nmi_trigger_cpumask_backtrace+0x22a/0x2a0
[  573.778918][   T27]  watchdog+0xeb0/0xeb0
[  573.783073][   T27]  kthread+0x3f6/0x4f0
[  573.787137][   T27]  ? hungtask_pm_notify+0x50/0x50
[  573.792172][   T27]  ? kthread_blkcg+0xd0/0xd0
[  573.796755][   T27]  ret_from_fork+0x1f/0x30
[  573.801173][   T27]  </TASK>
[  573.804464][   T27] Kernel Offset: disabled
[  573.808792][   T27] Rebooting in 86400 seconds..