Warning: Permanently added '10.128.0.124' (ECDSA) to the list of known hosts.
executing program
[ 488.266282][ T3638] nbd0: detected capacity change from 0 to 4398046511104
[ 493.216381][ T3638] block nbd0: shutting down sockets
[ 518.473688][ T756] block nbd0: Possible stuck request ffff88801ed18000: control (read@0,4096B). Runtime 30 seconds
[ 548.347649][ T2975] udevd[2975]: worker [3640] /devices/virtual/block/nbd0 is taking a long time
[ 548.553660][ T756] block nbd0: Possible stuck request ffff88801ed18000: control (read@0,4096B). Runtime 60 seconds
[ 578.633670][ T756] block nbd0: Possible stuck request ffff88801ed18000: control (read@0,4096B). Runtime 90 seconds
[ 608.713681][ T756] block nbd0: Possible stuck request ffff88801ed18000: control (read@0,4096B). Runtime 120 seconds
[ 638.793695][ T756] block nbd0: Possible stuck request ffff88801ed18000: control (read@0,4096B). Runtime 150 seconds
executing program
[ 668.503736][ T2975] udevd[2975]: worker [3640] /devices/virtual/block/nbd0 timeout; kill it
[ 668.512453][ T2975] udevd[2975]: seq 7473 '/devices/virtual/block/nbd0' killed
[ 668.512575][ T3640] ldm_validate_partition_table(): Disk read failed.
[ 668.526905][ T3640] Dev nbd0: unable to read RDB block 0
[ 668.532420][ T3640] nbd0: unable to read partition table
[ 668.538312][ T3640] nbd0: partition table beyond EOD, truncated
[ 668.549502][ T3648] nbd0: detected capacity change from 0 to 4398046511104
[ 668.551052][ T2975] udevd[2975]: worker [3640] terminated by signal 9 (Killed)
[ 668.564190][ T2975] udevd[2975]: worker [3640] failed while handling '/devices/virtual/block/nbd0'
[ 668.873602][ T756] block nbd0: Possible stuck request ffff88801ed18000: control (read@0,4096B). Runtime 180 seconds
[ 698.953612][ T756] block nbd0: Possible stuck request ffff88801ed18000: control (read@0,4096B). Runtime 210 seconds
[ 728.649401][ T2975] udevd[2975]: worker [3649] /devices/virtual/block/nbd0 is taking a long time
[ 729.033654][ T756] block nbd0: Possible stuck request ffff88801ed18000: control (read@0,4096B). Runtime 240 seconds
[ 759.113639][ T756] block nbd0: Possible stuck request ffff88801ed18000: control (read@0,4096B). Runtime 270 seconds
[ 789.193651][ T756] block nbd0: Possible stuck request ffff88801ed18000: control (read@0,4096B). Runtime 300 seconds
[ 819.273629][ T756] block nbd0: Possible stuck request ffff88801ed18000: control (read@0,4096B). Runtime 330 seconds
[ 848.815089][ T2975] udevd[2975]: worker [3649] /devices/virtual/block/nbd0 timeout; kill it
[ 848.823851][ T2975] udevd[2975]: seq 7474 '/devices/virtual/block/nbd0' killed
[ 849.353651][ T756] block nbd0: Possible stuck request ffff88801ed18000: control (read@0,4096B). Runtime 360 seconds
[ 859.593693][ T29] INFO: task syz-executor204:3648 blocked for more than 143 seconds.
[ 859.601950][ T29] Not tainted 6.0.0-rc7-syzkaller-00239-gb357fd1c2afc #0
[ 859.609627][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 859.618484][ T29] task:syz-executor204 state:D stack:25744 pid: 3648 ppid: 3637 flags:0x00004004
[ 859.628368][ T29] Call Trace:
[ 859.631685][ T29]
[ 859.634923][ T29] __schedule+0x957/0xe20
[ 859.639363][ T29] ? release_firmware_map_entry+0x184/0x184
[ 859.645482][ T29] ? sbitmap_any_bit_set+0x155/0x190
[ 859.650870][ T29] ? prepare_to_wait_event+0x444/0x540
[ 859.656757][ T29] schedule+0xcb/0x190
[ 859.660882][ T29] blk_mq_freeze_queue_wait+0x105/0x190
[ 859.666714][ T29] ? blk_mq_run_hw_queues+0x370/0x370
[ 859.672098][ T29] ? wake_bit_function+0x240/0x240
[ 859.677448][ T29] ? percpu_ref_kill_and_confirm+0x9c/0x130
[ 859.683394][ T29] ? unix_listen+0x2b0/0x2b0
[ 859.688115][ T29] nbd_add_socket+0x17b/0x8e0
[ 859.692847][ T29] ? refcount_inc+0x80/0x80
[ 859.697405][ T29] ? bpf_lsm_capable+0x5/0x10
[ 859.702135][ T29] ? security_capable+0xb1/0xd0
[ 859.707085][ T29] nbd_ioctl+0x260/0xa40
[ 859.711337][ T29] ? nbd_release+0x130/0x130
[ 859.715996][ T29] ? memset+0x1f/0x40
[ 859.720072][ T29] ? smack_file_ioctl+0x298/0x3a0
[ 859.725502][ T29] ? smack_file_alloc_security+0xd0/0xd0
[ 859.731186][ T29] ? nbd_release+0x130/0x130
[ 859.735910][ T29] blkdev_ioctl+0x3a6/0x760
[ 859.740506][ T29] ? blkdev_compat_ptr_ioctl+0xd0/0xd0
[ 859.746103][ T29] ? vtime_user_exit+0x2b2/0x3e0
[ 859.751056][ T29] ? __ct_user_exit+0x81/0xe0
[ 859.756148][ T29] ? bpf_lsm_file_ioctl+0x5/0x10
[ 859.761161][ T29] ? security_file_ioctl+0x9d/0xb0
[ 859.766377][ T29] ? blkdev_compat_ptr_ioctl+0xd0/0xd0
[ 859.771858][ T29] __se_sys_ioctl+0xfb/0x170
[ 859.776612][ T29] do_syscall_64+0x2b/0x70
[ 859.781049][ T29] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 859.787024][ T29] RIP: 0033:0x7f1aae47a399
[ 859.791447][ T29] RSP: 002b:00007ffe2471d988 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 859.799913][ T29] RAX: ffffffffffffffda RBX: 0000000000077303 RCX: 00007f1aae47a399
[ 859.807941][ T29] RDX: 0000000000000003 RSI: 000000000000ab00 RDI: 0000000000000005
[ 859.815995][ T29] RBP: 0000000000000000 R08: 00007ffe2471db28 R09: 00007ffe2471db28
[ 859.824210][ T29] R10: 00007ffe2471db28 R11: 0000000000000246 R12: 00007ffe2471d99c
[ 859.832192][ T29] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
[ 859.840233][ T29]
[ 859.843301][ T29] INFO: task udevd:3649 blocked for more than 143 seconds.
[ 859.850725][ T29] Not tainted 6.0.0-rc7-syzkaller-00239-gb357fd1c2afc #0
[ 859.858310][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 859.867090][ T29] task:udevd state:D stack:26184 pid: 3649 ppid: 2975 flags:0x00004004
[ 859.876386][ T29] Call Trace:
[ 859.879668][ T29]
[ 859.882594][ T29] __schedule+0x957/0xe20
[ 859.887066][ T29] ? release_firmware_map_entry+0x184/0x184
[ 859.892987][ T29] ? lockdep_hardirqs_on_prepare+0x448/0x7b0
[ 859.899090][ T29] ? print_irqtrace_events+0x220/0x220
[ 859.904626][ T29] ? _raw_spin_lock_irq+0xdb/0x110
[ 859.909733][ T29] schedule+0xcb/0x190
[ 859.913916][ T29] io_schedule+0x83/0x100
[ 859.918257][ T29] folio_wait_bit_common+0x98a/0x14b0
[ 859.923778][ T29] ? folio_wait_bit+0x20/0x20
[ 859.928458][ T29] ? pfn_swap_entry_to_page+0x320/0x320
[ 859.934081][ T29] ? vsnprintf+0x1ce0/0x1ce0
[ 859.938685][ T29] ? string+0x289/0x2d0
[ 859.942832][ T29] do_read_cache_folio+0xb9/0x790
[ 859.947926][ T29] ? blkdev_writepage+0x30/0x30
[ 859.952927][ T29] read_part_sector+0xcc/0x390
[ 859.958203][ T29] adfspart_check_ICS+0xd4/0x950
[ 859.963157][ T29] ? adfspart_check_ADFS+0x5c0/0x5c0
[ 859.968512][ T29] ? snprintf+0xd6/0x120
[ 859.972755][ T29] ? zone_statistics+0x160/0x160
[ 859.977757][ T29] ? vsnprintf+0x1bf8/0x1ce0
[ 859.982348][ T29] ? vsnprintf+0x1af/0x1ce0
[ 859.986937][ T29] ? vscnprintf+0x80/0x80
[ 859.991288][ T29] ? alloc_pages+0x520/0x7b0
[ 859.996025][ T29] ? bdev_disk_changed+0x53a/0x1420
[ 860.001227][ T29] bdev_disk_changed+0x79d/0x1420
[ 860.006329][ T29] ? blk_drop_partitions+0x1b0/0x1b0
[ 860.011620][ T29] ? _atomic_dec_and_lock+0x85/0x110
[ 860.016953][ T29] ? iput+0x198/0x760
[ 860.020942][ T29] blkdev_get_whole+0x329/0x3b0
[ 860.025921][ T29] blkdev_get_by_dev+0x30b/0xa40
[ 860.030898][ T29] blkdev_open+0x128/0x2e0
[ 860.035376][ T29] ? blkdev_write_iter+0x750/0x750
[ 860.040508][ T29] do_dentry_open+0x777/0x1180
[ 860.045404][ T29] path_openat+0x260e/0x2e00
[ 860.050014][ T29] ? mark_lock+0x9a/0x350
[ 860.054420][ T29] ? do_filp_open+0x500/0x500
[ 860.059103][ T29] ? alloc_fd+0x5ca/0x670
[ 860.063422][ T29] ? rcu_read_lock_sched_held+0x89/0x130
[ 860.069181][ T29] ? __bpf_trace_rcu_stall_warning+0x10/0x10
[ 860.075222][ T29] do_filp_open+0x275/0x500
[ 860.079738][ T29] ? vfs_tmpfile+0x2e0/0x2e0
[ 860.084408][ T29] ? _raw_spin_unlock+0x24/0x40
[ 860.089266][ T29] ? alloc_fd+0x5ca/0x670
[ 860.093645][ T29] do_sys_openat2+0x13b/0x500
[ 860.098329][ T29] ? read_lock_is_recursive+0x10/0x10
[ 860.103764][ T29] ? __ct_user_exit+0x81/0xe0
[ 860.108444][ T29] ? do_sys_open+0x220/0x220
[ 860.113032][ T29] __x64_sys_openat+0x243/0x290
[ 860.117963][ T29] ? __ia32_sys_open+0x270/0x270
[ 860.122910][ T29] ? __ct_user_exit+0x81/0xe0
[ 860.127681][ T29] ? syscall_enter_from_user_mode+0x2e/0x1d0
[ 860.133724][ T29] ? syscall_enter_from_user_mode+0x2e/0x1d0
[ 860.139706][ T29] do_syscall_64+0x2b/0x70
[ 860.144193][ T29] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 860.150096][ T29] RIP: 0033:0x7fb88ef25697
[ 860.154550][ T29] RSP: 002b:00007ffc846d6300 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[ 860.162970][ T29] RAX: ffffffffffffffda RBX: 000056490543a190 RCX: 00007fb88ef25697
[ 860.171005][ T29] RDX: 00000000000a0800 RSI: 000056490542b020 RDI: 00000000ffffff9c
[ 860.179040][ T29] RBP: 000056490542b020 R08: 0000000000000001 R09: 0000000000000010
[ 860.187071][ T29] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000a0800
[ 860.195080][ T29] R13: 000056490541db70 R14: 00007ffc846d63ac R15: 0000564905414910
[ 860.203050][ T29]
[ 860.206129][ T29]
[ 860.206129][ T29] Showing all locks held in the system:
[ 860.213935][ T29] 1 lock held by rcu_tasks_kthre/13:
[ 860.219294][ T29] #0: ffffffff8cd20a70 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x30/0xd00
[ 860.229876][ T29] 1 lock held by rcu_tasks_trace/14:
[ 860.235225][ T29] #0: ffffffff8cd21270 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x30/0xd00
[ 860.246282][ T29] 1 lock held by khungtaskd/29:
[ 860.251139][ T29] #0: ffffffff8cd208a0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30
[ 860.260578][ T29] 2 locks held by getty/3288:
[ 860.265311][ T29] #0: ffff8880272cd098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70
[ 860.275160][ T29] #1: ffffc90002d232f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6e8/0x1e50
[ 860.285318][ T29] 1 lock held by syz-executor204/3648:
[ 860.290775][ T29] #0: ffff88801ec7c198 (&nbd->config_lock){+.+.}-{3:3}, at: nbd_ioctl+0x13e/0xa40
[ 860.300171][ T29] 1 lock held by udevd/3649:
[ 860.304816][ T29] #0: ffff8881474794c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0xfd/0xa40
[ 860.314879][ T29]
[ 860.317203][ T29] =============================================
[ 860.317203][ T29]
[ 860.325666][ T29] NMI backtrace for cpu 0
[ 860.329991][ T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.0.0-rc7-syzkaller-00239-gb357fd1c2afc #0
[ 860.339771][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
[ 860.349808][ T29] Call Trace:
[ 860.353073][ T29]
[ 860.355992][ T29] dump_stack_lvl+0x1e3/0x2cb
[ 860.360657][ T29] ? io_alloc_page_table+0x110/0x110
[ 860.365938][ T29] ? panic+0x76b/0x76b
[ 860.370062][ T29] ? console_unlock+0x6bd/0x6f0
[ 860.374936][ T29] ? console_trylock_spinning+0x450/0x450
[ 860.380672][ T29] ? nmi_cpu_backtrace+0x248/0x4b0
[ 860.385806][ T29] nmi_cpu_backtrace+0x47c/0x4b0
[ 860.390757][ T29] ? vprintk_emit+0x109/0x1e0
[ 860.395444][ T29] ? nmi_trigger_cpumask_backtrace+0x280/0x280
[ 860.401587][ T29] ? _printk+0xcf/0x10f
[ 860.405737][ T29] ? panic+0x76b/0x76b
[ 860.409820][ T29] ? __wake_up_klogd+0xcd/0x100
[ 860.414689][ T29] ? panic+0x76b/0x76b
[ 860.418765][ T29] ? __rcu_read_unlock+0x8f/0x100
[ 860.423797][ T29] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 860.429951][ T29] nmi_trigger_cpumask_backtrace+0x169/0x280
[ 860.435932][ T29] watchdog+0xcd5/0xd20
[ 860.440119][ T29] kthread+0x266/0x300
[ 860.444208][ T29] ? hungtask_pm_notify+0x50/0x50
[ 860.449220][ T29] ? kthread_blkcg+0xd0/0xd0
[ 860.453801][ T29] ret_from_fork+0x1f/0x30
[ 860.458259][ T29]
[ 860.461391][ T29] Sending NMI from CPU 0 to CPUs 1:
[ 860.466661][ C1] NMI backtrace for cpu 1
[ 860.466671][ C1] CPU: 1 PID: 9 Comm: kworker/u4:0 Not tainted 6.0.0-rc7-syzkaller-00239-gb357fd1c2afc #0
[ 860.466686][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
[ 860.466694][ C1] Workqueue: events_unbound toggle_allocation_gate
[ 860.466715][ C1] RIP: 0010:mark_lock+0xe7/0x350
[ 860.466734][ C1] Code: de fb 0f 10 00 74 4a 31 db eb 0f 48 8d 04 5b 48 c1 e0 06 48 8d 98 40 8f c9 8f 48 83 c3 50 48 89 d8 48 c1 e8 03 42 80 3c 28 00 <74> 08 48 89 df e8 3f 98 73 00 41 bc 01 00 00 00 44 85 33 74 56 44
[ 860.466746][ C1] RSP: 0018:ffffc900000e7698 EFLAGS: 00000046
[ 860.466756][ C1] RAX: 1ffffffff1f93282 RBX: ffffffff8fc99410 RCX: ffffffff8169b33a
[ 860.466767][ C1] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8ffa3040
[ 860.466776][ C1] RBP: 0000000000000006 R08: dffffc0000000000 R09: fffffbfff1ff4609
[ 860.466785][ C1] R10: fffffbfff1ff4609 R11: 1ffffffff1ff4608 R12: ffff888012320b10
[ 860.466795][ C1] R13: dffffc0000000000 R14: 0000000000000040 R15: ffff888012320af0
[ 860.466804][ C1] FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
[ 860.466816][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 860.466825][ C1] CR2: 000055a9be95c680 CR3: 000000000ca8e000 CR4: 00000000003506e0
[ 860.466837][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 860.466845][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 860.466853][ C1] Call Trace:
[ 860.466857][ C1]
[ 860.466864][ C1] lockdep_hardirqs_on_prepare+0x3b0/0x7b0
[ 860.466882][ C1] ? print_irqtrace_events+0x220/0x220
[ 860.466897][ C1] ? text_poke_memcpy+0x5/0x10
[ 860.466972][ C1] ? __kmalloc+0xf7/0x370
[ 860.466987][ C1] trace_hardirqs_on+0x34/0x40
[ 860.467016][ C1] __text_poke+0x7c4/0x9d0
[ 860.467030][ C1] ? __kmalloc+0xf7/0x370
[ 860.467043][ C1] ? __text_poke+0x9d0/0x9d0
[ 860.467056][ C1] ? text_poke+0x90/0x90
[ 860.467068][ C1] ? rcu_read_lock_sched_held+0x89/0x130
[ 860.467084][ C1] ? __bpf_trace_rcu_stall_warning+0x10/0x10
[ 860.467099][ C1] ? trace_raw_output_contention_end+0xd0/0xd0
[ 860.467119][ C1] ? __kmalloc+0xf7/0x370
[ 860.467132][ C1] text_poke_bp_batch+0x1b7/0x970
[ 860.467148][ C1] ? mutex_lock_io_nested+0x60/0x60
[ 860.467163][ C1] ? text_poke_loc_init+0x510/0x510
[ 860.467177][ C1] ? arch_jump_label_transform_queue+0x7c/0xd0
[ 860.467208][ C1] ? __jump_label_update+0x38e/0x3b0
[ 860.467233][ C1] text_poke_finish+0x16/0x30
[ 860.467244][ C1] arch_jump_label_transform_apply+0x13/0x20
[ 860.467259][ C1] static_key_disable_cpuslocked+0xc8/0x1b0
[ 860.467276][ C1] static_key_disable+0x16/0x20
[ 860.467290][ C1] toggle_allocation_gate+0x3d8/0x470
[ 860.467305][ C1] ? virt_to_slab+0x2c0/0x2c0
[ 860.467321][ C1] ? rcu_read_lock_sched_held+0x89/0x130
[ 860.467335][ C1] ? __bpf_trace_rcu_stall_warning+0x10/0x10
[ 860.467354][ C1] ? _raw_spin_unlock_irqrestore+0xd9/0x130
[ 860.467376][ C1] process_one_work+0x81c/0xd10
[ 860.467413][ C1] ? worker_detach_from_pool+0x260/0x260
[ 860.467430][ C1] ? _raw_spin_lock_irqsave+0x120/0x120
[ 860.467444][ C1] ? kthread_data+0x4d/0xc0
[ 860.467459][ C1] ? wq_worker_running+0x95/0x190
[ 860.467474][ C1] worker_thread+0xb14/0x1330
[ 860.467500][ C1] kthread+0x266/0x300
[ 860.467513][ C1] ? rcu_lock_release+0x20/0x20
[ 860.467527][ C1] ? kthread_blkcg+0xd0/0xd0
[ 860.467541][ C1] ret_from_fork+0x1f/0x30
[ 860.467562][ C1]
[ 860.467657][ T29] Kernel panic - not syncing: hung_task: blocked tasks
[ 860.813787][ T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.0.0-rc7-syzkaller-00239-gb357fd1c2afc #0
[ 860.823602][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
[ 860.833669][ T29] Call Trace:
[ 860.836941][ T29]
[ 860.839876][ T29] dump_stack_lvl+0x1e3/0x2cb
[ 860.844650][ T29] ? io_alloc_page_table+0x110/0x110
[ 860.849928][ T29] ? panic+0x76b/0x76b
[ 860.854088][ T29] ? vscnprintf+0x59/0x80
[ 860.858411][ T29] panic+0x316/0x76b
[ 860.862301][ T29] ? asm_sysvec_call_function_single+0x16/0x20
[ 860.868508][ T29] ? nmi_trigger_cpumask_backtrace+0x205/0x280
[ 860.874655][ T29] ? fb_is_primary_device+0xcc/0xcc
[ 860.879850][ T29] ? irq_work_queue+0xbb/0x120
[ 860.884662][ T29] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 860.890722][ T29] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 860.896783][ T29] watchdog+0xd16/0xd20
[ 860.900952][ T29] kthread+0x266/0x300
[ 860.905011][ T29] ? hungtask_pm_notify+0x50/0x50
[ 860.910046][ T29] ? kthread_blkcg+0xd0/0xd0
[ 860.914656][ T29] ret_from_fork+0x1f/0x30
[ 860.919097][ T29]
[ 860.922398][ T29] Kernel Offset: disabled
[ 860.926738][ T29] Rebooting in 86400 seconds..