Warning: Permanently added '10.128.0.111' (ECDSA) to the list of known hosts.
executing program
[ 552.437187][ T5040] nbd0: detected capacity change from 0 to 131072
[ 552.553419][ T4409] block nbd0: Receive control failed (result -104)
[ 552.554084][ T5038] block nbd0: shutting down sockets
[ 552.566757][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[ 552.575877][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 552.583657][ T5039] ldm_validate_partition_table(): Disk read failed.
[ 552.590439][ T5039] Dev nbd0: unable to read RDB block 0
[ 552.595950][ T5039] nbd0: unable to read partition table
executing program
[ 552.601589][ T5039] nbd0: partition table beyond EOD, truncated
[ 552.697098][ T5043] nbd0: detected capacity change from 0 to 131072
[ 552.812787][ T4409] block nbd0: Receive control failed (result -104)
[ 552.813063][ T5042] block nbd0: shutting down sockets
[ 552.825971][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[ 552.835028][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 552.842923][ T5039] ldm_validate_partition_table(): Disk read failed.
[ 552.849568][ T5039] Dev nbd0: unable to read RDB block 0
[ 552.855019][ T5039] nbd0: unable to read partition table
executing program
[ 552.860698][ T5039] nbd0: partition table beyond EOD, truncated
[ 552.958190][ T5046] nbd0: detected capacity change from 0 to 131072
[ 553.073838][ T4409] block nbd0: Receive control failed (result -104)
[ 553.074107][ T5045] block nbd0: shutting down sockets
[ 553.086078][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[ 553.095112][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 553.102931][ T5039] ldm_validate_partition_table(): Disk read failed.
[ 553.109614][ T5039] Dev nbd0: unable to read RDB block 0
[ 553.115072][ T5039] nbd0: unable to read partition table
executing program
[ 553.120782][ T5039] nbd0: partition table beyond EOD, truncated
[ 553.218205][ T5049] nbd0: detected capacity change from 0 to 131072
[ 553.334355][ T4409] block nbd0: Receive control failed (result -104)
[ 553.334623][ T5048] block nbd0: shutting down sockets
[ 553.346577][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[ 553.355625][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 553.363503][ T5039] ldm_validate_partition_table(): Disk read failed.
[ 553.370194][ T5039] Dev nbd0: unable to read RDB block 0
[ 553.375761][ T5039] nbd0: unable to read partition table
executing program
[ 553.381552][ T5039] nbd0: partition table beyond EOD, truncated
[ 553.477085][ T5052] nbd0: detected capacity change from 0 to 131072
[ 553.593674][ T4409] block nbd0: Receive control failed (result -104)
[ 553.593981][ T5051] block nbd0: shutting down sockets
[ 553.605826][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[ 553.614841][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 553.622652][ T5039] ldm_validate_partition_table(): Disk read failed.
[ 553.629493][ T5039] Dev nbd0: unable to read RDB block 0
[ 553.634953][ T5039] nbd0: unable to read partition table
executing program
[ 553.640750][ T5039] nbd0: partition table beyond EOD, truncated
[ 553.737128][ T5055] nbd0: detected capacity change from 0 to 131072
[ 553.852716][ T4409] block nbd0: Receive control failed (result -104)
[ 553.859740][ T5054] block nbd0: shutting down sockets
[ 553.865822][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[ 553.874866][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 553.882811][ T5039] ldm_validate_partition_table(): Disk read failed.
[ 553.889588][ T5039] Dev nbd0: unable to read RDB block 0
[ 553.895040][ T5039] nbd0: unable to read partition table
executing program
[ 553.900855][ T5039] nbd0: partition table beyond EOD, truncated
[ 553.997195][ T5058] nbd0: detected capacity change from 0 to 131072
[ 554.112749][ T4409] block nbd0: Receive control failed (result -104)
[ 554.113053][ T5057] block nbd0: shutting down sockets
[ 554.126024][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[ 554.135107][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 554.142993][ T5039] ldm_validate_partition_table(): Disk read failed.
[ 554.149639][ T5039] Dev nbd0: unable to read RDB block 0
[ 554.155095][ T5039] nbd0: unable to read partition table
executing program
[ 554.160784][ T5039] nbd0: partition table beyond EOD, truncated
[ 554.257076][ T5061] nbd0: detected capacity change from 0 to 131072
[ 554.372185][ T4409] block nbd0: Receive control failed (result -104)
[ 554.372511][ T5060] block nbd0: shutting down sockets
[ 554.384235][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[ 554.393295][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 554.401130][ T5039] ldm_validate_partition_table(): Disk read failed.
[ 554.407786][ T5039] Dev nbd0: unable to read RDB block 0
[ 554.413238][ T5039] nbd0: unable to read partition table
executing program
[ 554.418904][ T5039] nbd0: partition table beyond EOD, truncated
[ 554.517147][ T5064] nbd0: detected capacity change from 0 to 131072
[ 554.632959][ T4409] block nbd0: Receive control failed (result -104)
[ 554.633246][ T5063] block nbd0: shutting down sockets
[ 554.645962][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[ 554.655008][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 554.662866][ T5039] ldm_validate_partition_table(): Disk read failed.
[ 554.669500][ T5039] Dev nbd0: unable to read RDB block 0
[ 554.674946][ T5039] nbd0: unable to read partition table
executing program
[ 554.680615][ T5039] nbd0: partition table beyond EOD, truncated
[ 554.793519][ T5066] nbd0: detected capacity change from 0 to 131072
[ 554.909460][ T4409] block nbd0: Receive control failed (result -104)
[ 585.076062][ T988] block nbd0: Possible stuck request ffff88801ede1200: control (read@0,4096B). Runtime 30 seconds
[ 614.870684][ T4455] udevd[4455]: worker [5039] /devices/virtual/block/nbd0 is taking a long time
[ 615.155874][ T988] block nbd0: Possible stuck request ffff88801ede1200: control (read@0,4096B). Runtime 60 seconds
[ 645.235514][ T988] block nbd0: Possible stuck request ffff88801ede1200: control (read@0,4096B). Runtime 90 seconds
[ 675.315542][ T988] block nbd0: Possible stuck request ffff88801ede1200: control (read@0,4096B). Runtime 120 seconds
[ 705.395523][ T988] block nbd0: Possible stuck request ffff88801ede1200: control (read@0,4096B). Runtime 150 seconds
[ 715.635532][ T28] INFO: task syz-executor548:5067 blocked for more than 143 seconds.
[ 715.643716][ T28] Not tainted 6.4.0-rc7-syzkaller-00226-ga92b7d26c743 #0
[ 715.651354][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 715.660133][ T28] task:syz-executor548 state:D stack:27672 pid:5067 ppid:5035 flags:0x00004006
[ 715.669514][ T28] Call Trace:
[ 715.672798][ T28]
[ 715.675780][ T28] __schedule+0xc9a/0x5880
[ 715.680330][ T28] ? lockdep_hardirqs_on_prepare+0x410/0x410
[ 715.686447][ T28] ? lockdep_hardirqs_on_prepare+0x410/0x410
[ 715.692451][ T28] ? io_schedule_timeout+0x150/0x150
[ 715.697774][ T28] ? __mutex_lock+0xa36/0x1350
[ 715.702555][ T28] schedule+0xde/0x1a0
[ 715.706677][ T28] schedule_preempt_disabled+0x13/0x20
[ 715.712144][ T28] __mutex_lock+0xa3b/0x1350
[ 715.716771][ T28] ? blkdev_put+0xba/0x780
[ 715.721206][ T28] ? mutex_lock_io_nested+0x11a0/0x11a0
[ 715.726813][ T28] ? do_raw_spin_unlock+0x175/0x230
[ 715.732041][ T28] ? filemap_check_errors+0xa9/0x150
[ 715.737357][ T28] blkdev_put+0xba/0x780
[ 715.741620][ T28] blkdev_close+0x68/0x80
[ 715.746085][ T28] __fput+0x27c/0xa90
[ 715.750074][ T28] ? blkdev_fsync+0xa0/0xa0
[ 715.754578][ T28] task_work_run+0x16f/0x270
[ 715.759202][ T28] ? task_work_cancel+0x30/0x30
[ 715.764061][ T28] ? wait_for_completion_io_timeout+0x20/0x20
[ 715.770332][ T28] ? spin_bug+0x1c0/0x1c0
[ 715.774712][ T28] get_signal+0x1c7/0x25b0
[ 715.779165][ T28] ? nbd_ioctl+0x47a/0xce0
[ 715.783615][ T28] ? exit_signals+0x910/0x910
[ 715.788357][ T28] ? nbd_start_device+0xdd0/0xdd0
[ 715.793396][ T28] ? __virt_addr_valid+0x61/0x2e0
[ 715.798454][ T28] arch_do_signal_or_restart+0x79/0x5c0
[ 715.804012][ T28] ? get_sigframe_size+0x10/0x10
[ 715.808998][ T28] ? task_work_add+0x18e/0x2c0
[ 715.813764][ T28] ? task_work_func_match+0x40/0x40
[ 715.818982][ T28] ? blkdev_ioctl+0x18d/0x7f0
[ 715.823678][ T28] ? blkdev_common_ioctl+0x1a40/0x1a40
[ 715.829208][ T28] exit_to_user_mode_prepare+0x11f/0x240
[ 715.834867][ T28] syscall_exit_to_user_mode+0x1d/0x50
[ 715.840354][ T28] do_syscall_64+0x46/0xb0
[ 715.844782][ T28] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 715.850725][ T28] RIP: 0033:0x7f777fc22249
[ 715.855145][ T28] RSP: 002b:00007f777fbae308 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 715.863596][ T28] RAX: 0000000000000000 RBX: 00007f777fca6418 RCX: 00007f777fc22249
[ 715.871602][ T28] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 715.879600][ T28] RBP: 00007f777fca6410 R08: 00007f777fbae700 R09: 0000000000000000
[ 715.887605][ T28] R10: 00007f777fbae700 R11: 0000000000000246 R12: 00007f777fca641c
[ 715.895629][ T28] R13: 00007f777fc731a4 R14: 64626e2f7665642f R15: 0000000000022000
[ 715.903629][ T28]
[ 715.906717][ T28]
[ 715.906717][ T28] Showing all locks held in the system:
[ 715.914435][ T28] 1 lock held by rcu_tasks_kthre/13:
[ 715.919845][ T28] #0: ffffffff8c7984f0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80
[ 715.930469][ T28] 1 lock held by rcu_tasks_trace/14:
[ 715.935804][ T28] #0: ffffffff8c7981f0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x31/0xd80
[ 715.946843][ T28] 1 lock held by khungtaskd/28:
[ 715.951674][ T28] #0: ffffffff8c799100 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x340
[ 715.961706][ T28] 1 lock held by klogd/4444:
[ 715.966386][ T28] #0: ffff8880b993c3d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2f/0x120
[ 715.976397][ T28] 2 locks held by getty/4753:
[ 715.981069][ T28] #0: ffff888027d7b098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80
[ 715.990872][ T28] #1: ffffc900015a02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef4/0x13e0
[ 716.001219][ T28] 1 lock held by udevd/5039:
[ 716.005935][ T28] #0: ffff88801e9124c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev.part.0+0x95/0xb80
[ 716.016543][ T28] 1 lock held by syz-executor548/5067:
[ 716.021985][ T28] #0: ffff88801e9124c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xba/0x780
[ 716.031385][ T28]
[ 716.033722][ T28] =============================================
[ 716.033722][ T28]
[ 716.042292][ T28] NMI backtrace for cpu 0
[ 716.046622][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.4.0-rc7-syzkaller-00226-ga92b7d26c743 #0
[ 716.056415][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
[ 716.066455][ T28] Call Trace:
[ 716.069723][ T28]
[ 716.072641][ T28] dump_stack_lvl+0xd9/0x150
[ 716.077227][ T28] nmi_cpu_backtrace+0x29c/0x350
[ 716.082164][ T28] ? lapic_can_unplug_cpu+0xa0/0xa0
[ 716.087360][ T28] nmi_trigger_cpumask_backtrace+0x2a4/0x300
[ 716.093348][ T28] watchdog+0xe16/0x1090
[ 716.097595][ T28] ? __kthread_parkme+0x163/0x220
[ 716.102617][ T28] ? proc_dohung_task_timeout_secs+0x80/0x80
[ 716.108595][ T28] kthread+0x344/0x440
[ 716.112659][ T28] ? kthread_complete_and_exit+0x40/0x40
[ 716.118284][ T28] ret_from_fork+0x1f/0x30
[ 716.122703][ T28]
[ 716.125827][ T28] Sending NMI from CPU 0 to CPUs 1:
[ 716.131060][ C1] NMI backtrace for cpu 1 skipped: idling at acpi_safe_halt+0x40/0x50
[ 716.132072][ T28] Kernel panic - not syncing: hung_task: blocked tasks
[ 716.147020][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.4.0-rc7-syzkaller-00226-ga92b7d26c743 #0
[ 716.156805][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
[ 716.166841][ T28] Call Trace:
[ 716.170101][ T28]
[ 716.173010][ T28] dump_stack_lvl+0xd9/0x150
[ 716.177586][ T28] panic+0x686/0x730
[ 716.181467][ T28] ? panic_smp_self_stop+0xa0/0xa0
[ 716.186579][ T28] ? lapic_can_unplug_cpu+0xa0/0xa0
[ 716.191758][ T28] ? preempt_schedule_thunk+0x1a/0x20
[ 716.197118][ T28] ? watchdog+0xbe8/0x1090
[ 716.201518][ T28] watchdog+0xbf9/0x1090
[ 716.205742][ T28] ? __kthread_parkme+0x163/0x220
[ 716.210744][ T28] ? proc_dohung_task_timeout_secs+0x80/0x80
[ 716.216704][ T28] kthread+0x344/0x440
[ 716.220750][ T28] ? kthread_complete_and_exit+0x40/0x40
[ 716.226364][ T28] ret_from_fork+0x1f/0x30
[ 716.230773][ T28]
[ 716.234637][ T28] Kernel Offset: disabled
[ 716.238955][ T28] Rebooting in 86400 seconds..