Warning: Permanently added '10.128.0.132' (ED25519) to the list of known hosts.
executing program
[ 558.192916][ T3578] nbd0: detected capacity change from 0 to 18
[ 558.352786][ T48] block nbd0: Receive control failed (result -104)
[ 588.291285][ T1195] block nbd0: Possible stuck request ffff888020e38000: control (read@0,4096B). Runtime 30 seconds
[ 618.270751][ T3002] udevd[3002]: worker [3580] /devices/virtual/block/nbd0 is taking a long time
[ 618.370718][ T1195] block nbd0: Possible stuck request ffff888020e38000: control (read@0,4096B). Runtime 60 seconds
[ 648.450779][ T1195] block nbd0: Possible stuck request ffff888020e38000: control (read@0,4096B). Runtime 90 seconds
[ 678.530759][ T1195] block nbd0: Possible stuck request ffff888020e38000: control (read@0,4096B). Runtime 120 seconds
[ 708.610829][ T1195] block nbd0: Possible stuck request ffff888020e38000: control (read@0,4096B). Runtime 150 seconds
[ 716.290583][ T28] INFO: task syz-executor236:3578 blocked for more than 143 seconds.
[ 716.298745][ T28] Not tainted 6.1.73-syzkaller #0
[ 716.304440][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 716.313168][ T28] task:syz-executor236 state:D stack:26184 pid:3578 ppid:3576 flags:0x00004006
[ 716.322450][ T28] Call Trace:
[ 716.325762][ T28]
[ 716.328693][ T28] __schedule+0x142d/0x4550
[ 716.333342][ T28] ? __mutex_lock+0x6b4/0xd80
[ 716.338021][ T28] ? release_firmware_map_entry+0x185/0x185
[ 716.343951][ T28] ? __mutex_trylock_common+0x8d/0x2e0
[ 716.349476][ T28] ? do_raw_spin_unlock+0x137/0x8a0
[ 716.354733][ T28] schedule+0xbf/0x180
[ 716.358806][ T28] schedule_preempt_disabled+0xf/0x20
[ 716.364210][ T28] __mutex_lock+0x6b9/0xd80
[ 716.368718][ T28] ? __mutex_lock+0x53c/0xd80
[ 716.373452][ T28] ? blkdev_put+0x100/0x750
[ 716.378025][ T28] ? mutex_lock_nested+0x10/0x10
[ 716.383000][ T28] ? __fsnotify_parent+0x50b/0x730
[ 716.388167][ T28] ? __fsnotify_update_child_dentry_flags+0x2a0/0x2a0
[ 716.394992][ T28] blkdev_put+0x100/0x750
[ 716.399343][ T28] ? task_work_run+0x1fc/0x300
[ 716.404187][ T28] blkdev_close+0x56/0x80
[ 716.408517][ T28] ? blkdev_open+0x2e0/0x2e0
[ 716.413142][ T28] __fput+0x3b7/0x890
[ 716.417202][ T28] task_work_run+0x246/0x300
[ 716.421832][ T28] ? task_work_cancel+0x2b0/0x2b0
[ 716.426856][ T28] ? blkdev_ioctl+0x3a9/0x760
[ 716.431634][ T28] ? exit_to_user_mode_loop+0x39/0x100
[ 716.437157][ T28] exit_to_user_mode_loop+0xde/0x100
[ 716.442512][ T28] exit_to_user_mode_prepare+0xb1/0x140
[ 716.448068][ T28] syscall_exit_to_user_mode+0x60/0x270
[ 716.453730][ T28] do_syscall_64+0x49/0xb0
[ 716.458160][ T28] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 716.464088][ T28] RIP: 0033:0x7f93a8c68479
[ 716.468524][ T28] RSP: 002b:00007f93a8c26228 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 716.477025][ T28] RAX: 0000000000000000 RBX: 00007f93a8cef328 RCX: 00007f93a8c68479
[ 716.485024][ T28] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 716.493014][ T28] RBP: 00007f93a8cef320 R08: 00007f93a8c266c0 R09: 00007f93a8c266c0
[ 716.501008][ T28] R10: 00007f93a8c266c0 R11: 0000000000000246 R12: 00007f93a8cef32c
[ 716.508978][ T28] R13: 00007f93a8cbc1a4 R14: 64626e2f7665642f R15: 00007ffebb8917b8
[ 716.517001][ T28]
[ 716.520033][ T28]
[ 716.520033][ T28] Showing all locks held in the system:
[ 716.527783][ T28] 1 lock held by rcu_tasks_kthre/12:
[ 716.533088][ T28] #0: ffffffff8d12a490 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xe30
[ 716.543602][ T28] 1 lock held by rcu_tasks_trace/13:
[ 716.548879][ T28] #0: ffffffff8d12ac90 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xe30
[ 716.559870][ T28] 1 lock held by khungtaskd/28:
[ 716.564757][ T28] #0: ffffffff8d12a2c0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x51/0x290
[ 716.574643][ T28] 2 locks held by kworker/u4:4/102:
[ 716.579875][ T28] 2 locks held by getty/3300:
[ 716.584587][ T28] #0: ffff888141a59098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 716.594438][ T28] #1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6a7/0x1db0
[ 716.604551][ T28] 1 lock held by syz-executor236/3578:
[ 716.610002][ T28] #0: ffff888142fa34c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0x100/0x750
[ 716.619432][ T28] 1 lock held by udevd/3580:
[ 716.624037][ T28] #0: ffff888142fa34c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x148/0xa10
[ 716.634065][ T28]
[ 716.636382][ T28] =============================================
[ 716.636382][ T28]
[ 716.644814][ T28] NMI backtrace for cpu 1
[ 716.649136][ T28] CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.1.73-syzkaller #0
[ 716.656920][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
[ 716.666965][ T28] Call Trace:
[ 716.670236][ T28]
[ 716.673150][ T28] dump_stack_lvl+0x1e3/0x2cb
[ 716.677815][ T28] ? nf_tcp_handle_invalid+0x642/0x642
[ 716.683256][ T28] ? panic+0x75d/0x75d
[ 716.687300][ T28] ? vprintk_emit+0x622/0x740
[ 716.691960][ T28] ? printk_sprint+0x490/0x490
[ 716.696704][ T28] ? nmi_cpu_backtrace+0x252/0x560
[ 716.701826][ T28] nmi_cpu_backtrace+0x4e1/0x560
[ 716.706759][ T28] ? nmi_trigger_cpumask_backtrace+0x3f0/0x3f0
[ 716.712903][ T28] ? _printk+0xd1/0x111
[ 716.717043][ T28] ? panic+0x75d/0x75d
[ 716.721099][ T28] ? __wake_up_klogd+0xcc/0x100
[ 716.725945][ T28] ? panic+0x75d/0x75d
[ 716.729999][ T28] ? nmi_trigger_cpumask_backtrace+0xe2/0x3f0
[ 716.736059][ T28] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 716.742176][ T28] nmi_trigger_cpumask_backtrace+0x1b0/0x3f0
[ 716.748150][ T28] watchdog+0xf88/0xfd0
[ 716.752340][ T28] ? watchdog+0x1f8/0xfd0
[ 716.756660][ T28] kthread+0x28d/0x320
[ 716.760720][ T28] ? hungtask_pm_notify+0x50/0x50
[ 716.765738][ T28] ? kthread_blkcg+0xd0/0xd0
[ 716.770318][ T28] ret_from_fork+0x1f/0x30
[ 716.774748][ T28]
[ 716.777915][ T28] Sending NMI from CPU 1 to CPUs 0:
[ 716.783163][ C0] NMI backtrace for cpu 0
[ 716.783172][ C0] CPU: 0 PID: 102 Comm: kworker/u4:4 Not tainted 6.1.73-syzkaller #0
[ 716.783188][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
[ 716.783197][ C0] Workqueue: events_unbound toggle_allocation_gate
[ 716.783271][ C0] RIP: 0010:switch_mm_irqs_off+0x7df/0xc20
[ 716.783299][ C0] Code: 00 00 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 37 17 a4 00 48 8b 03 45 0f b7 f7 4c 89 f1 48 c1 e1 04 65 48 89 81 60 95 03 00 <49> c1 e6 04 65 4d 89 ae 68 95 03 00 49 8d 9c 24 80 00 00 00 48 89
[ 716.783310][ C0] RSP: 0018:ffffc900024cf700 EFLAGS: 00000046
[ 716.783322][ C0] RAX: 0000000000000002 RBX: ffff888012468448 RCX: 0000000000000000
[ 716.783331][ C0] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888012468450
[ 716.783340][ C0] RBP: ffffc900024cf7d0 R08: dffffc0000000000 R09: ffffed100248d08b
[ 716.783350][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888012468000
[ 716.783360][ C0] R13: 00000000000052a9 R14: 0000000000000000 R15: 0000000000000000
[ 716.783368][ C0] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
[ 716.783380][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 716.783390][ C0] CR2: 00007ffde7e62b88 CR3: 000000000ce8e000 CR4: 00000000003506f0
[ 716.783403][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 716.783411][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 716.783419][ C0] Call Trace:
[ 716.783424][ C0]
[ 716.783429][ C0] ? nmi_cpu_backtrace+0x3de/0x560
[ 716.783451][ C0] ? read_lock_is_recursive+0x10/0x10
[ 716.783472][ C0] ? nmi_trigger_cpumask_backtrace+0x3f0/0x3f0
[ 716.783493][ C0] ? nmi_handle+0x25/0x440
[ 716.783546][ C0] ? nmi_cpu_backtrace_handler+0x8/0x10
[ 716.783567][ C0] ? nmi_handle+0x12e/0x440
[ 716.783587][ C0] ? nmi_handle+0x25/0x440
[ 716.783606][ C0] ? switch_mm_irqs_off+0x7df/0xc20
[ 716.783624][ C0] ? default_do_nmi+0x62/0x150
[ 716.783637][ C0] ? exc_nmi+0xab/0x120
[ 716.783649][ C0] ? end_repeat_nmi+0x16/0x31
[ 716.783696][ C0] ? switch_mm_irqs_off+0x7df/0xc20
[ 716.783714][ C0] ? switch_mm_irqs_off+0x7df/0xc20
[ 716.783733][ C0] ? switch_mm_irqs_off+0x7df/0xc20
[ 716.783751][ C0]
[ 716.783755][ C0]
[ 716.783759][ C0] ? __rwlock_init+0xe0/0x140
[ 716.783774][ C0] ? switch_mm+0x190/0x190
[ 716.783792][ C0] ? __text_poke+0x2f3/0x9a0
[ 716.783822][ C0] ? lockdep_hardirqs_off+0x70/0x100
[ 716.783837][ C0] ? __text_poke+0x9a0/0x9a0
[ 716.783852][ C0] __text_poke+0x59f/0x9a0
[ 716.783871][ C0] ? __kmem_cache_alloc_node+0x5d/0x260
[ 716.783909][ C0] ? __text_poke+0x9a0/0x9a0
[ 716.783926][ C0] ? text_poke+0x90/0x90
[ 716.783941][ C0] ? kmem_cache_alloc_lru+0x56/0x2d0
[ 716.783957][ C0] ? perf_event_text_poke+0x254/0x320
[ 716.783977][ C0] ? __mutex_trylock_common+0x17e/0x2e0
[ 716.783996][ C0] ? perf_event_bpf_output+0x270/0x270
[ 716.784011][ C0] ? trace_raw_output_contention_end+0xd0/0xd0
[ 716.784035][ C0] text_poke_bp_batch+0x481/0x940
[ 716.784056][ C0] ? __kmem_cache_alloc_node+0x5d/0x260
[ 716.784072][ C0] ? text_poke_loc_init+0x680/0x680
[ 716.784090][ C0] ? arch_jump_label_transform_queue+0x7d/0xd0
[ 716.784110][ C0] text_poke_finish+0x16/0x30
[ 716.784126][ C0] arch_jump_label_transform_apply+0x13/0x20
[ 716.784140][ C0] static_key_disable_cpuslocked+0xca/0x1b0
[ 716.784175][ C0] static_key_disable+0x16/0x20
[ 716.784191][ C0] toggle_allocation_gate+0x3e0/0x480
[ 716.784208][ C0] ? show_object+0xa0/0xa0
[ 716.784224][ C0] ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[ 716.784244][ C0] ? print_irqtrace_events+0x210/0x210
[ 716.784262][ C0] ? _raw_spin_unlock_irqrestore+0xd9/0x130
[ 716.784280][ C0] ? do_raw_spin_unlock+0x137/0x8a0
[ 716.784297][ C0] ? process_one_work+0x7a9/0x11d0
[ 716.784319][ C0] process_one_work+0x8a9/0x11d0
[ 716.784342][ C0] ? worker_detach_from_pool+0x260/0x260
[ 716.784360][ C0] ? _raw_spin_lock_irqsave+0x120/0x120
[ 716.784376][ C0] ? kthread_data+0x4e/0xc0
[ 716.784397][ C0] ? wq_worker_running+0x97/0x190
[ 716.784434][ C0] worker_thread+0xa47/0x1200
[ 716.784455][ C0] ? _raw_spin_unlock+0x40/0x40
[ 716.784476][ C0] kthread+0x28d/0x320
[ 716.784495][ C0] ? worker_clr_flags+0x190/0x190
[ 716.784509][ C0] ? kthread_blkcg+0xd0/0xd0
[ 716.784529][ C0] ret_from_fork+0x1f/0x30
[ 716.784555][ C0]
[ 716.784560][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.398 msecs
[ 716.785159][ T28] Kernel panic - not syncing: hung_task: blocked tasks
[ 717.228088][ T28] CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.1.73-syzkaller #0
[ 717.235885][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023
[ 717.245924][ T28] Call Trace:
[ 717.249195][ T28]
[ 717.252130][ T28] dump_stack_lvl+0x1e3/0x2cb
[ 717.256814][ T28] ? nf_tcp_handle_invalid+0x642/0x642
[ 717.262277][ T28] ? panic+0x75d/0x75d
[ 717.266347][ T28] ? vscnprintf+0x59/0x80
[ 717.270673][ T28] panic+0x318/0x75d
[ 717.274559][ T28] ? nmi_trigger_cpumask_backtrace+0x2c1/0x3f0
[ 717.280706][ T28] ? memcpy_page_flushcache+0xfc/0xfc
[ 717.286072][ T28] ? nmi_trigger_cpumask_backtrace+0x2ca/0x3f0
[ 717.292223][ T28] watchdog+0xfc7/0xfd0
[ 717.296375][ T28] ? watchdog+0x1f8/0xfd0
[ 717.300698][ T28] kthread+0x28d/0x320
[ 717.304760][ T28] ? hungtask_pm_notify+0x50/0x50
[ 717.309772][ T28] ? kthread_blkcg+0xd0/0xd0
[ 717.314353][ T28] ret_from_fork+0x1f/0x30
[ 717.318766][ T28]
[ 717.321953][ T28] Kernel Offset: disabled
[ 717.326265][ T28] Rebooting in 86400 seconds..