Warning: Permanently added '10.128.0.252' (ECDSA) to the list of known hosts.
executing program
[ 481.381571][ T3634] nbd0: detected capacity change from 0 to 127
[ 486.320945][ T3634] block nbd0: shutting down sockets
[ 511.419879][ T9] block nbd0: Possible stuck request ffff88801ee20000: control (read@0,4096B). Runtime 30 seconds
[ 541.466445][ T2971] udevd[2971]: worker [3636] /devices/virtual/block/nbd0 is taking a long time
[ 541.509884][ T9] block nbd0: Possible stuck request ffff88801ee20000: control (read@0,4096B). Runtime 60 seconds
[ 571.580011][ T9] block nbd0: Possible stuck request ffff88801ee20000: control (read@0,4096B). Runtime 90 seconds
[ 601.659925][ T9] block nbd0: Possible stuck request ffff88801ee20000: control (read@0,4096B). Runtime 120 seconds
[ 631.739867][ T9] block nbd0: Possible stuck request ffff88801ee20000: control (read@0,4096B). Runtime 150 seconds
executing program
[ 661.633309][ T2971] udevd[2971]: worker [3636] /devices/virtual/block/nbd0 timeout; kill it
[ 661.642075][ T2971] udevd[2971]: seq 7474 '/devices/virtual/block/nbd0' killed
[ 661.642181][ T3636] ldm_validate_partition_table(): Disk read failed.
[ 661.656197][ T3636] Dev nbd0: unable to read RDB block 0
[ 661.661852][ T3636] nbd0: unable to read partition table
[ 661.667490][ T3636] nbd0: partition table beyond EOD, truncated
[ 661.679483][ T2971] udevd[2971]: worker [3636] terminated by signal 9 (Killed)
[ 661.686973][ T2971] udevd[2971]: worker [3636] failed while handling '/devices/virtual/block/nbd0'
[ 661.819809][ T9] block nbd0: Possible stuck request ffff88801ee20000: control (read@0,4096B). Runtime 180 seconds
[ 691.899900][ T9] block nbd0: Possible stuck request ffff88801ee20000: control (read@0,4096B). Runtime 210 seconds
[ 721.979873][ T9] block nbd0: Possible stuck request ffff88801ee20000: control (read@0,4096B). Runtime 240 seconds
[ 752.059846][ T9] block nbd0: Possible stuck request ffff88801ee20000: control (read@0,4096B). Runtime 270 seconds
[ 782.139766][ T9] block nbd0: Possible stuck request ffff88801ee20000: control (read@0,4096B). Runtime 300 seconds
[ 812.219787][ T9] block nbd0: Possible stuck request ffff88801ee20000: control (read@0,4096B). Runtime 330 seconds
[ 842.299831][ T9] block nbd0: Possible stuck request ffff88801ee20000: control (read@0,4096B). Runtime 360 seconds
[ 859.579797][ T28] INFO: task syz-executor368:3643 blocked for more than 143 seconds.
[ 859.587973][ T28] Not tainted 6.0.0-rc2-syzkaller-00016-g072e51356cd5 #0
[ 859.595665][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 859.604409][ T28] task:syz-executor368 state:D stack:26192 pid: 3643 ppid: 3633 flags:0x00004004
[ 859.613711][ T28] Call Trace:
[ 859.616994][ T28]
[ 859.619966][ T28] __schedule+0x957/0xe20
[ 859.624496][ T28] ? release_firmware_map_entry+0x184/0x184
[ 859.630476][ T28] ? sbitmap_any_bit_set+0x155/0x190
[ 859.636976][ T28] ? prepare_to_wait_event+0x444/0x540
[ 859.642540][ T28] schedule+0xcb/0x190
[ 859.646642][ T28] blk_mq_freeze_queue_wait+0x105/0x190
[ 859.652287][ T28] ? blk_mq_run_hw_queues+0x370/0x370
[ 859.657666][ T28] ? wake_bit_function+0x240/0x240
[ 859.662823][ T28] ? percpu_ref_kill_and_confirm+0x9c/0x130
[ 859.668815][ T28] ? unix_listen+0x2b0/0x2b0
[ 859.673510][ T28] nbd_add_socket+0x17b/0x8e0
[ 859.678267][ T28] ? refcount_inc+0x80/0x80
[ 859.682811][ T28] ? bpf_lsm_capable+0x5/0x10
[ 859.687567][ T28] ? security_capable+0xb1/0xd0
[ 859.692515][ T28] nbd_ioctl+0x260/0xa40
[ 859.696770][ T28] ? nbd_release+0x130/0x130
[ 859.701410][ T28] ? memset+0x1f/0x40
[ 859.705479][ T28] ? smack_file_ioctl+0x298/0x3a0
[ 859.710613][ T28] ? smack_file_alloc_security+0xd0/0xd0
[ 859.716252][ T28] ? nbd_release+0x130/0x130
[ 859.720909][ T28] blkdev_ioctl+0x3a6/0x760
[ 859.725493][ T28] ? blkdev_compat_ptr_ioctl+0xd0/0xd0
[ 859.731029][ T28] ? vtime_user_exit+0x2b2/0x3e0
[ 859.735980][ T28] ? __ct_user_exit+0x81/0xe0
[ 859.740855][ T28] ? bpf_lsm_file_ioctl+0x5/0x10
[ 859.745801][ T28] ? security_file_ioctl+0x9d/0xb0
[ 859.750978][ T28] ? blkdev_compat_ptr_ioctl+0xd0/0xd0
[ 859.756444][ T28] __se_sys_ioctl+0xfb/0x170
[ 859.761217][ T28] do_syscall_64+0x2b/0x70
[ 859.765673][ T28] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 859.771673][ T28] RIP: 0033:0x7ff05b619399
[ 859.776090][ T28] RSP: 002b:00007ffd9fc16508 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 859.784540][ T28] RAX: ffffffffffffffda RBX: 000000000007580d RCX: 00007ff05b619399
[ 859.792608][ T28] RDX: 0000000000000004 RSI: 000000000000ab00 RDI: 0000000000000003
[ 859.800612][ T28] RBP: 0000000000000000 R08: 00007ffd9fc166a8 R09: 00007ffd9fc166a8
[ 859.808592][ T28] R10: 00007ffd9fc15f80 R11: 0000000000000246 R12: 00007ffd9fc1651c
[ 859.816627][ T28] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
[ 859.824666][ T28]
[ 859.827689][ T28]
[ 859.827689][ T28] Showing all locks held in the system:
[ 859.835468][ T28] 1 lock held by rcu_tasks_kthre/12:
[ 859.840786][ T28] #0: ffffffff8cd20970 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x30/0xd00
[ 859.851378][ T28] 1 lock held by rcu_tasks_trace/13:
[ 859.856671][ T28] #0: ffffffff8cd21170 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x30/0xd00
[ 859.867738][ T28] 1 lock held by khungtaskd/28:
[ 859.872661][ T28] #0: ffffffff8cd207a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 859.882147][ T28] 2 locks held by getty/3288:
[ 859.886817][ T28] #0: ffff888148ae0098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 859.896681][ T28] #1: ffffc90002d262f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6e8/0x1e50
[ 859.906955][ T28] 1 lock held by syz-executor368/3643:
[ 859.912458][ T28] #0: ffff88801ed73998 (&nbd->config_lock){+.+.}-{3:3}, at: nbd_ioctl+0x13e/0xa40
[ 859.921833][ T28]
[ 859.924147][ T28] =============================================
[ 859.924147][ T28]
[ 859.932632][ T28] NMI backtrace for cpu 0
[ 859.936957][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.0.0-rc2-syzkaller-00016-g072e51356cd5 #0
[ 859.946743][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
[ 859.956780][ T28] Call Trace:
[ 859.960043][ T28]
[ 859.962959][ T28] dump_stack_lvl+0x1e3/0x2cb
[ 859.967626][ T28] ? io_notif_register+0x5e7/0x5e7
[ 859.972723][ T28] ? panic+0x76b/0x76b
[ 859.976786][ T28] ? console_unlock+0x6bd/0x6f0
[ 859.981664][ T28] ? console_trylock_spinning+0x450/0x450
[ 859.987377][ T28] ? nmi_cpu_backtrace+0x248/0x4b0
[ 859.992505][ T28] nmi_cpu_backtrace+0x47c/0x4b0
[ 859.997436][ T28] ? vprintk_emit+0x109/0x1e0
[ 860.002108][ T28] ? nmi_trigger_cpumask_backtrace+0x280/0x280
[ 860.008256][ T28] ? _printk+0xcf/0x10f
[ 860.012405][ T28] ? panic+0x76b/0x76b
[ 860.016466][ T28] ? __wake_up_klogd+0xcd/0x100
[ 860.021308][ T28] ? panic+0x76b/0x76b
[ 860.025386][ T28] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 860.031505][ T28] nmi_trigger_cpumask_backtrace+0x169/0x280
[ 860.037484][ T28] watchdog+0xcd5/0xd20
[ 860.041681][ T28] kthread+0x266/0x300
[ 860.045787][ T28] ? hungtask_pm_notify+0x50/0x50
[ 860.050812][ T28] ? kthread_blkcg+0xd0/0xd0
[ 860.055396][ T28] ret_from_fork+0x1f/0x30
[ 860.059829][ T28]
[ 860.062995][ T28] Sending NMI from CPU 0 to CPUs 1:
[ 860.068214][ C1] NMI backtrace for cpu 1
[ 860.068223][ C1] CPU: 1 PID: 91 Comm: kworker/u4:4 Not tainted 6.0.0-rc2-syzkaller-00016-g072e51356cd5 #0
[ 860.068237][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
[ 860.068245][ C1] Workqueue: events_unbound toggle_allocation_gate
[ 860.068265][ C1] RIP: 0010:lockdep_hardirqs_on_prepare+0x1/0x7b0
[ 860.068284][ C1] Code: ff ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 4b ff ff ff e8 d1 2a 74 00 e9 41 ff ff ff 66 2e 0f 1f 84 00 00 00 00 00 66 90 55 <48> 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec 80 00 00
[ 860.068294][ C1] RSP: 0018:ffffc9000210f788 EFLAGS: 00000046
[ 860.068305][ C1] RAX: 0000000080000001 RBX: 00002aaaaaaac000 RCX: 0000000000000002
[ 860.068315][ C1] RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffffffff813206d4
[ 860.068324][ C1] RBP: ffffc9000210f970 R08: dffffc0000000000 R09: ffffed1002465085
[ 860.068334][ C1] R10: ffffed1002465085 R11: 1ffff11002465084 R12: ffff888012309558
[ 860.068343][ C1] R13: dffffc0000000000 R14: ffffc9000210f8c0 R15: ffffffff81dc7477
[ 860.068353][ C1] FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
[ 860.068365][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 860.068374][ C1] CR2: 00007ffe1a65a258 CR3: 000000000ca8e000 CR4: 00000000003506e0
[ 860.068387][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 860.068394][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 860.068403][ C1] Call Trace:
[ 860.068407][ C1]
[ 860.068412][ C1] trace_hardirqs_on+0x34/0x40
[ 860.068479][ C1] __text_poke+0x7c4/0x9d0
[ 860.068510][ C1] ? __kmalloc+0xf7/0x370
[ 860.068540][ C1] ? __text_poke+0x9d0/0x9d0
[ 860.068553][ C1] ? text_poke+0x90/0x90
[ 860.068563][ C1] ? __kmalloc_node_track_caller+0xfd/0x3f0
[ 860.068578][ C1] ? perf_event_text_poke+0x24f/0x320
[ 860.068599][ C1] ? rcu_read_lock_sched_held+0x89/0x130
[ 860.068616][ C1] ? perf_event_bpf_output+0x240/0x240
[ 860.068636][ C1] ? preempt_schedule_thunk+0x16/0x18
[ 860.068657][ C1] text_poke_bp_batch+0x6bc/0x970
[ 860.068674][ C1] ? __kmalloc_node_track_caller+0xfe/0x3f0
[ 860.068689][ C1] ? text_poke_loc_init+0x510/0x510
[ 860.068704][ C1] ? __jump_label_update+0x38e/0x3b0
[ 860.068740][ C1] text_poke_finish+0x16/0x30
[ 860.068752][ C1] arch_jump_label_transform_apply+0x13/0x20
[ 860.068771][ C1] static_key_enable_cpuslocked+0x129/0x250
[ 860.068787][ C1] static_key_enable+0x16/0x20
[ 860.068801][ C1] toggle_allocation_gate+0xbf/0x470
[ 860.068816][ C1] ? virt_to_slab+0x2c0/0x2c0
[ 860.068831][ C1] ? rcu_read_lock_sched_held+0x89/0x130
[ 860.068845][ C1] ? __bpf_trace_rcu_stall_warning+0x10/0x10
[ 860.068859][ C1] ? _raw_spin_unlock_irqrestore+0xd9/0x130
[ 860.068881][ C1] process_one_work+0x81c/0xd10
[ 860.068919][ C1] ? worker_detach_from_pool+0x260/0x260
[ 860.068935][ C1] ? _raw_spin_lock_irqsave+0x120/0x120
[ 860.068949][ C1] ? kthread_data+0x4d/0xc0
[ 860.068965][ C1] ? wq_worker_running+0x95/0x190
[ 860.068980][ C1] worker_thread+0xb14/0x1330
[ 860.069000][ C1] ? _raw_spin_unlock_irqrestore+0xd9/0x130
[ 860.069021][ C1] kthread+0x266/0x300
[ 860.069034][ C1] ? rcu_lock_release+0x20/0x20
[ 860.069047][ C1] ? kthread_blkcg+0xd0/0xd0
[ 860.069061][ C1] ret_from_fork+0x1f/0x30
[ 860.069082][ C1]
[ 860.069259][ T28] Kernel panic - not syncing: hung_task: blocked tasks
[ 860.401000][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.0.0-rc2-syzkaller-00016-g072e51356cd5 #0
[ 860.410796][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
[ 860.420854][ T28] Call Trace:
[ 860.424127][ T28]
[ 860.427066][ T28] dump_stack_lvl+0x1e3/0x2cb
[ 860.431758][ T28] ? io_notif_register+0x5e7/0x5e7
[ 860.436863][ T28] ? panic+0x76b/0x76b
[ 860.440928][ T28] ? vscnprintf+0x59/0x80
[ 860.445256][ T28] panic+0x316/0x76b
[ 860.449141][ T28] ? schedule_preempt_disabled+0x20/0x20
[ 860.454768][ T28] ? nmi_trigger_cpumask_backtrace+0x205/0x280
[ 860.460915][ T28] ? fb_is_primary_device+0xcc/0xcc
[ 860.466106][ T28] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 860.472185][ T28] ? nmi_trigger_cpumask_backtrace+0x205/0x280
[ 860.478330][ T28] ? nmi_trigger_cpumask_backtrace+0x265/0x280
[ 860.484479][ T28] watchdog+0xd16/0xd20
[ 860.488636][ T28] kthread+0x266/0x300
[ 860.492696][ T28] ? hungtask_pm_notify+0x50/0x50
[ 860.497713][ T28] ? kthread_blkcg+0xd0/0xd0
[ 860.502298][ T28] ret_from_fork+0x1f/0x30
[ 860.506718][ T28]
[ 860.510022][ T28] Kernel Offset: disabled
[ 860.514348][ T28] Rebooting in 86400 seconds..