Warning: Permanently added '10.128.0.141' (ECDSA) to the list of known hosts. executing program [ 489.219895][ T3640] nbd0: detected capacity change from 0 to 1 [ 489.337603][ T3637] block nbd0: shutting down sockets [ 519.757845][ T9] block nbd0: Possible stuck request ffff88801e998000: control (read@0,512B). Runtime 30 seconds [ 549.301708][ T2973] udevd[2973]: worker [3639] /devices/virtual/block/nbd0 is taking a long time [ 549.837804][ T9] block nbd0: Possible stuck request ffff88801e998000: control (read@0,512B). Runtime 60 seconds [ 579.917749][ T9] block nbd0: Possible stuck request ffff88801e998000: control (read@0,512B). Runtime 90 seconds [ 609.997791][ T9] block nbd0: Possible stuck request ffff88801e998000: control (read@0,512B). Runtime 120 seconds [ 640.077753][ T9] block nbd0: Possible stuck request ffff88801e998000: control (read@0,512B). Runtime 150 seconds executing program [ 669.457848][ T2973] udevd[2973]: worker [3639] /devices/virtual/block/nbd0 timeout; kill it [ 669.466974][ T3639] ldm_validate_partition_table(): Disk read failed. [ 669.473807][ T2973] udevd[2973]: seq 7475 '/devices/virtual/block/nbd0' killed [ 669.474496][ T3639] Dev nbd0: unable to read RDB block 0 [ 669.486735][ T3639] nbd0: unable to read partition table [ 669.492421][ T3639] nbd0: partition table beyond EOD, truncated [ 669.504811][ T2973] udevd[2973]: worker [3639] terminated by signal 9 (Killed) [ 669.512378][ T2973] udevd[2973]: worker [3639] failed while handling '/devices/virtual/block/nbd0' [ 670.157713][ T9] block nbd0: Possible stuck request ffff88801e998000: control (read@0,512B). Runtime 180 seconds [ 700.237713][ T9] block nbd0: Possible stuck request ffff88801e998000: control (read@0,512B). Runtime 210 seconds [ 730.317679][ T9] block nbd0: Possible stuck request ffff88801e998000: control (read@0,512B). Runtime 240 seconds [ 760.397744][ T9] block nbd0: Possible stuck request ffff88801e998000: control (read@0,512B). Runtime 270 seconds [ 790.477706][ T9] block nbd0: Possible stuck request ffff88801e998000: control (read@0,512B). Runtime 300 seconds [ 820.557663][ T9] block nbd0: Possible stuck request ffff88801e998000: control (read@0,512B). Runtime 330 seconds [ 850.637685][ T9] block nbd0: Possible stuck request ffff88801e998000: control (read@0,512B). Runtime 360 seconds [ 859.597708][ T28] INFO: task syz-executor294:3648 blocked for more than 143 seconds. [ 859.605913][ T28] Not tainted 6.0.0-rc1-syzkaller-00160-g4c2d0b039c5c #0 [ 859.613573][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 859.622386][ T28] task:syz-executor294 state:D stack:26432 pid: 3648 ppid: 3635 flags:0x00004004 [ 859.631794][ T28] Call Trace: [ 859.635079][ T28] [ 859.638207][ T28] __schedule+0x957/0xe20 [ 859.642635][ T28] ? __sched_text_start+0x8/0x8 [ 859.647567][ T28] ? sbitmap_any_bit_set+0x155/0x190 [ 859.652933][ T28] ? prepare_to_wait_event+0x444/0x540 [ 859.658455][ T28] schedule+0xcb/0x190 [ 859.662552][ T28] blk_mq_freeze_queue_wait+0x105/0x190 [ 859.668188][ T28] ? blk_mq_run_hw_queues+0x370/0x370 [ 859.673587][ T28] ? wake_bit_function+0x240/0x240 [ 859.678729][ T28] ? percpu_ref_kill_and_confirm+0x9c/0x130 [ 859.684644][ T28] ? unix_listen+0x2b0/0x2b0 [ 859.689320][ T28] nbd_add_socket+0x17b/0x8e0 [ 859.694061][ T28] ? refcount_inc+0x80/0x80 [ 859.698599][ T28] ? bpf_lsm_capable+0x5/0x10 [ 859.703331][ T28] ? security_capable+0xb1/0xd0 [ 859.708283][ T28] nbd_ioctl+0x260/0xa40 [ 859.712545][ T28] ? nbd_release+0x130/0x130 [ 859.717125][ T28] ? memset+0x1f/0x40 [ 859.721167][ T28] ? smack_file_ioctl+0x298/0x3a0 [ 859.726228][ T28] ? smack_file_alloc_security+0xd0/0xd0 [ 859.732100][ T28] ? nbd_release+0x130/0x130 [ 859.736738][ T28] blkdev_ioctl+0x3a6/0x760 [ 859.741422][ T28] ? blkdev_compat_ptr_ioctl+0xd0/0xd0 [ 859.746923][ T28] ? bpf_lsm_file_ioctl+0x5/0x10 [ 859.751996][ T28] ? security_file_ioctl+0x9d/0xb0 [ 859.757128][ T28] ? blkdev_compat_ptr_ioctl+0xd0/0xd0 [ 859.762683][ T28] __se_sys_ioctl+0xfb/0x170 [ 859.767348][ T28] do_syscall_64+0x2b/0x70 [ 859.771824][ T28] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 859.777794][ T28] RIP: 0033:0x7f16d302bee9 [ 859.782200][ T28] RSP: 002b:00007f16d2fd9308 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 859.790693][ T28] RAX: ffffffffffffffda RBX: 00007f16d30af408 RCX: 00007f16d302bee9 [ 859.798699][ T28] RDX: 0000000000000004 RSI: 000000000000ab00 RDI: 0000000000000003 [ 859.806677][ T28] RBP: 00007f16d30af400 R08: 0000000000000000 R09: 0000000000000000 [ 859.814734][ T28] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f16d30af40c [ 859.822735][ T28] R13: 00007f16d307d074 R14: 64626e2f7665642f R15: 0000000000022000 [ 859.830792][ T28] [ 859.833831][ T28] INFO: task syz-executor294:3649 blocked for more than 143 seconds. [ 859.842356][ T28] Not tainted 6.0.0-rc1-syzkaller-00160-g4c2d0b039c5c #0 [ 859.849957][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 859.858652][ T28] task:syz-executor294 state:D stack:28576 pid: 3649 ppid: 3635 flags:0x00004004 [ 859.867936][ T28] Call Trace: [ 859.871218][ T28] [ 859.874138][ T28] __schedule+0x957/0xe20 [ 859.878546][ T28] ? __sched_text_start+0x8/0x8 [ 859.883423][ T28] ? __mutex_trylock_common+0x8e/0x2f0 [ 859.889043][ T28] ? do_raw_spin_unlock+0x134/0x8a0 [ 859.894252][ T28] schedule+0xcb/0x190 [ 859.898371][ T28] schedule_preempt_disabled+0xf/0x20 [ 859.903754][ T28] __mutex_lock_common+0xecf/0x26c0 [ 859.909018][ T28] ? nbd_ioctl+0x13e/0xa40 [ 859.913444][ T28] ? mutex_lock_io_nested+0x60/0x60 [ 859.918680][ T28] ? cap_capable+0x1b5/0x250 [ 859.923277][ T28] ? safesetid_security_capable+0xab/0x1b0 [ 859.929185][ T28] ? bpf_lsm_capable+0x5/0x10 [ 859.933870][ T28] ? security_capable+0xb1/0xd0 [ 859.938781][ T28] mutex_lock_nested+0x17/0x20 [ 859.943565][ T28] nbd_ioctl+0x13e/0xa40 [ 859.947959][ T28] ? nbd_release+0x130/0x130 [ 859.952573][ T28] ? memset+0x1f/0x40 [ 859.956566][ T28] ? smack_file_ioctl+0x298/0x3a0 [ 859.961691][ T28] ? smack_file_alloc_security+0xd0/0xd0 [ 859.967349][ T28] ? nbd_release+0x130/0x130 [ 859.972098][ T28] blkdev_ioctl+0x3a6/0x760 [ 859.976620][ T28] ? blkdev_compat_ptr_ioctl+0xd0/0xd0 [ 859.982128][ T28] ? bpf_lsm_file_ioctl+0x5/0x10 [ 859.987077][ T28] ? security_file_ioctl+0x9d/0xb0 [ 859.992251][ T28] ? blkdev_compat_ptr_ioctl+0xd0/0xd0 [ 859.997786][ T28] __se_sys_ioctl+0xfb/0x170 [ 860.002392][ T28] do_syscall_64+0x2b/0x70 [ 860.006800][ T28] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 860.012780][ T28] RIP: 0033:0x7f16d302bee9 [ 860.017218][ T28] RSP: 002b:00007f16d2fb8308 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 860.025718][ T28] RAX: ffffffffffffffda RBX: 00007f16d30af418 RCX: 00007f16d302bee9 [ 860.033837][ T28] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 860.041873][ T28] RBP: 00007f16d30af410 R08: 00007f16d2fb8700 R09: 0000000000000000 [ 860.049925][ T28] R10: 00007f16d2fb8700 R11: 0000000000000246 R12: 00007f16d30af41c [ 860.057950][ T28] R13: 00007f16d307d074 R14: 64626e2f7665642f R15: 0000000000022000 [ 860.065972][ T28] [ 860.069086][ T28] INFO: task syz-executor294:3650 blocked for more than 143 seconds. [ 860.077154][ T28] Not tainted 6.0.0-rc1-syzkaller-00160-g4c2d0b039c5c #0 [ 860.084813][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 860.093553][ T28] task:syz-executor294 state:D stack:28616 pid: 3650 ppid: 3635 flags:0x00004004 [ 860.102875][ T28] Call Trace: [ 860.106165][ T28] [ 860.109166][ T28] __schedule+0x957/0xe20 [ 860.113517][ T28] ? __sched_text_start+0x8/0x8 [ 860.118411][ T28] ? __mutex_trylock_common+0x8e/0x2f0 [ 860.123924][ T28] ? do_raw_spin_unlock+0x134/0x8a0 [ 860.129218][ T28] schedule+0xcb/0x190 [ 860.133308][ T28] schedule_preempt_disabled+0xf/0x20 [ 860.138755][ T28] __mutex_lock_common+0xecf/0x26c0 [ 860.143985][ T28] ? nbd_ioctl+0x13e/0xa40 [ 860.148533][ T28] ? mutex_lock_io_nested+0x60/0x60 [ 860.153752][ T28] ? cap_capable+0x1b5/0x250 [ 860.158378][ T28] ? safesetid_security_capable+0xab/0x1b0 [ 860.164202][ T28] ? bpf_lsm_capable+0x5/0x10 [ 860.168974][ T28] ? security_capable+0xb1/0xd0 [ 860.173847][ T28] mutex_lock_nested+0x17/0x20 [ 860.178661][ T28] nbd_ioctl+0x13e/0xa40 [ 860.182918][ T28] ? nbd_release+0x130/0x130 [ 860.187574][ T28] ? memset+0x1f/0x40 [ 860.191565][ T28] ? smack_file_ioctl+0x298/0x3a0 [ 860.196587][ T28] ? smack_file_alloc_security+0xd0/0xd0 [ 860.202260][ T28] ? nbd_release+0x130/0x130 [ 860.206861][ T28] blkdev_ioctl+0x3a6/0x760 [ 860.211426][ T28] ? blkdev_compat_ptr_ioctl+0xd0/0xd0 [ 860.216898][ T28] ? bpf_lsm_file_ioctl+0x5/0x10 [ 860.221891][ T28] ? security_file_ioctl+0x9d/0xb0 [ 860.227048][ T28] ? blkdev_compat_ptr_ioctl+0xd0/0xd0 [ 860.232589][ T28] __se_sys_ioctl+0xfb/0x170 [ 860.237199][ T28] do_syscall_64+0x2b/0x70 [ 860.241656][ T28] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 860.247619][ T28] RIP: 0033:0x7f16d302bee9 [ 860.252040][ T28] RSP: 002b:00007f16d2f97308 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 860.260514][ T28] RAX: ffffffffffffffda RBX: 00007f16d30af428 RCX: 00007f16d302bee9 [ 860.268555][ T28] RDX: 0000000000000300 RSI: 000000000000ab02 RDI: 0000000000000003 [ 860.276637][ T28] RBP: 00007f16d30af420 R08: 00007f16d2f97700 R09: 0000000000000000 [ 860.284676][ T28] R10: 00007f16d2f97700 R11: 0000000000000246 R12: 00007f16d30af42c [ 860.292701][ T28] R13: 00007f16d307d074 R14: 64626e2f7665642f R15: 0000000000022000 [ 860.300734][ T28] [ 860.303767][ T28] [ 860.303767][ T28] Showing all locks held in the system: [ 860.311561][ T28] 1 lock held by rcu_tasks_kthre/12: [ 860.316849][ T28] #0: ffffffff8cd20970 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x30/0xd00 [ 860.327417][ T28] 1 lock held by rcu_tasks_trace/13: [ 860.332771][ T28] #0: ffffffff8cd21170 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x30/0xd00 [ 860.343800][ T28] 1 lock held by khungtaskd/28: [ 860.348703][ T28] #0: ffffffff8cd207a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 [ 860.358087][ T28] 2 locks held by getty/3290: [ 860.362771][ T28] #0: ffff888026987098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 [ 860.372722][ T28] #1: ffffc90002d232f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6e8/0x1e50 [ 860.382922][ T28] 1 lock held by syz-executor294/3648: [ 860.388451][ T28] #0: ffff88801e948198 (&nbd->config_lock){+.+.}-{3:3}, at: nbd_ioctl+0x13e/0xa40 [ 860.397838][ T28] 1 lock held by syz-executor294/3649: [ 860.403343][ T28] #0: ffff88801e948198 (&nbd->config_lock){+.+.}-{3:3}, at: nbd_ioctl+0x13e/0xa40 [ 860.412777][ T28] 1 lock held by syz-executor294/3650: [ 860.418298][ T28] #0: ffff88801e948198 (&nbd->config_lock){+.+.}-{3:3}, at: nbd_ioctl+0x13e/0xa40 [ 860.427686][ T28] [ 860.430014][ T28] ============================================= [ 860.430014][ T28] [ 860.438476][ T28] NMI backtrace for cpu 0 [ 860.442810][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.0.0-rc1-syzkaller-00160-g4c2d0b039c5c #0 [ 860.452604][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 860.462655][ T28] Call Trace: [ 860.465931][ T28] [ 860.468854][ T28] dump_stack_lvl+0x1e3/0x2cb [ 860.473525][ T28] ? io_notif_register+0x5e7/0x5e7 [ 860.478624][ T28] ? panic+0x76b/0x76b [ 860.482742][ T28] ? console_unlock+0x6bd/0x6f0 [ 860.487625][ T28] ? console_trylock_spinning+0x450/0x450 [ 860.493337][ T28] ? nmi_cpu_backtrace+0x248/0x4b0 [ 860.498438][ T28] nmi_cpu_backtrace+0x47c/0x4b0 [ 860.503363][ T28] ? vprintk_emit+0x109/0x1e0 [ 860.508030][ T28] ? nmi_trigger_cpumask_backtrace+0x280/0x280 [ 860.514171][ T28] ? _printk+0xcf/0x10f [ 860.518317][ T28] ? panic+0x76b/0x76b [ 860.522376][ T28] ? __wake_up_klogd+0xcd/0x100 [ 860.527214][ T28] ? panic+0x76b/0x76b [ 860.531278][ T28] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 860.537393][ T28] nmi_trigger_cpumask_backtrace+0x169/0x280 [ 860.543374][ T28] watchdog+0xcd5/0xd20 [ 860.547572][ T28] kthread+0x266/0x300 [ 860.551683][ T28] ? hungtask_pm_notify+0x50/0x50 [ 860.556706][ T28] ? kthread_blkcg+0xd0/0xd0 [ 860.561312][ T28] ret_from_fork+0x1f/0x30 [ 860.565745][ T28] [ 860.568870][ T28] Sending NMI from CPU 0 to CPUs 1: [ 860.574090][ C1] NMI backtrace for cpu 1 [ 860.574099][ C1] CPU: 1 PID: 1134 Comm: kworker/u4:5 Not tainted 6.0.0-rc1-syzkaller-00160-g4c2d0b039c5c #0 [ 860.574114][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 860.574123][ C1] Workqueue: events_unbound toggle_allocation_gate [ 860.574141][ C1] RIP: 0010:mark_lock+0xe/0x350 [ 860.574159][ C1] Code: 6f ff ff ff 4c 89 ff e8 b0 82 73 00 e9 62 ff ff ff e8 36 ee ce 08 66 0f 1f 44 00 00 55 41 57 41 56 41 55 41 54 53 48 83 ec 10 <49> 89 f7 48 89 3c 24 49 bd 00 00 00 00 00 fc ff df 83 fa 08 75 28 [ 860.574169][ C1] RSP: 0018:ffffc900049df640 EFLAGS: 00000082 [ 860.574180][ C1] RAX: 0000000000000001 RBX: ffff888020e7c558 RCX: ffffffff8169b52a [ 860.574190][ C1] RDX: 0000000000000008 RSI: ffff888020e7c618 RDI: ffff888020e7bb00 [ 860.574199][ C1] RBP: ffff888020e7bb00 R08: dffffc0000000000 R09: fffffbfff1ff3809 [ 860.574209][ C1] R10: fffffbfff1ff3809 R11: 1ffffffff1ff3808 R12: ffff888020e7c618 [ 860.574218][ C1] R13: 0000000000000003 R14: 0000000000000000 R15: ffff888020e7c638 [ 860.574227][ C1] FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 [ 860.574238][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 860.574248][ C1] CR2: 00007f4b03282990 CR3: 000000000ca8e000 CR4: 00000000003506e0 [ 860.574260][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 860.574268][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 860.574276][ C1] Call Trace: [ 860.574280][ C1] [ 860.574287][ C1] __lock_acquire+0xc7d/0x1f60 [ 860.574307][ C1] lock_acquire+0x1a7/0x400 [ 860.574320][ C1] ? arch_jump_label_transform_queue+0x3f/0xd0 [ 860.574400][ C1] ? read_lock_is_recursive+0x10/0x10 [ 860.574415][ C1] ? __might_sleep+0xc0/0xc0 [ 860.574463][ C1] ? arch_jump_label_transform_queue+0x7c/0xd0 [ 860.574477][ C1] ? insn_get_immediate+0x445/0x12e0 [ 860.574498][ C1] ? __lock_acquire+0x1f60/0x1f60 [ 860.574513][ C1] __mutex_lock_common+0x1de/0x26c0 [ 860.574527][ C1] ? arch_jump_label_transform_queue+0x3f/0xd0 [ 860.574545][ C1] ? __mutex_unlock_slowpath+0x241/0x7b0 [ 860.574557][ C1] ? arch_jump_label_transform_queue+0x3f/0xd0 [ 860.574571][ C1] ? text_poke_finish+0x30/0x30 [ 860.574583][ C1] ? mutex_lock_io_nested+0x60/0x60 [ 860.574599][ C1] ? static_key_disable_cpuslocked+0x95/0x1b0 [ 860.574652][ C1] mutex_lock_nested+0x17/0x20 [ 860.574664][ C1] arch_jump_label_transform_queue+0x3f/0xd0 [ 860.574679][ C1] __jump_label_update+0x19b/0x3b0 [ 860.574697][ C1] static_key_disable_cpuslocked+0xc8/0x1b0 [ 860.574713][ C1] static_key_disable+0x16/0x20 [ 860.574727][ C1] toggle_allocation_gate+0x3d8/0x470 [ 860.574741][ C1] ? virt_to_slab+0x2c0/0x2c0 [ 860.574756][ C1] ? rcu_read_lock_sched_held+0x89/0x130 [ 860.574771][ C1] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 860.574785][ C1] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 860.574804][ C1] process_one_work+0x81c/0xd10 [ 860.574842][ C1] ? worker_detach_from_pool+0x260/0x260 [ 860.574858][ C1] ? _raw_spin_lock_irqsave+0x120/0x120 [ 860.574871][ C1] ? kthread_data+0x4d/0xc0 [ 860.574886][ C1] ? wq_worker_running+0x95/0x190 [ 860.574900][ C1] worker_thread+0xb14/0x1330 [ 860.574919][ C1] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 860.574939][ C1] kthread+0x266/0x300 [ 860.574951][ C1] ? rcu_lock_release+0x20/0x20 [ 860.574965][ C1] ? kthread_blkcg+0xd0/0xd0 [ 860.574978][ C1] ret_from_fork+0x1f/0x30 [ 860.574999][ C1] [ 860.575087][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 860.920313][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.0.0-rc1-syzkaller-00160-g4c2d0b039c5c #0 [ 860.930127][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 [ 860.940181][ T28] Call Trace: [ 860.943459][ T28] [ 860.946389][ T28] dump_stack_lvl+0x1e3/0x2cb [ 860.951071][ T28] ? io_notif_register+0x5e7/0x5e7 [ 860.956205][ T28] ? panic+0x76b/0x76b [ 860.960292][ T28] ? vscnprintf+0x59/0x80 [ 860.964626][ T28] panic+0x316/0x76b [ 860.968526][ T28] ? asm_sysvec_call_function_single+0x16/0x20 [ 860.974689][ T28] ? nmi_trigger_cpumask_backtrace+0x205/0x280 [ 860.980847][ T28] ? fb_is_primary_device+0xcc/0xcc [ 860.986053][ T28] ? irq_work_queue+0xbb/0x120 [ 860.990869][ T28] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 860.996955][ T28] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 861.003025][ T28] watchdog+0xd16/0xd20 [ 861.007192][ T28] kthread+0x266/0x300 [ 861.011259][ T28] ? hungtask_pm_notify+0x50/0x50 [ 861.016280][ T28] ? kthread_blkcg+0xd0/0xd0 [ 861.020868][ T28] ret_from_fork+0x1f/0x30 [ 861.025292][ T28] [ 861.028589][ T28] Kernel Offset: disabled [ 861.032930][ T28] Rebooting in 86400 seconds..