Warning: Permanently added '10.128.0.230' (ECDSA) to the list of known hosts.
executing program
[ 483.360058][ T3641] nbd0: detected capacity change from 0 to 502
[ 483.520340][ T49] block nbd0: Receive control failed (result -104)
[ 513.399425][ T53] block nbd0: Possible stuck request ffff88801ee80000: control (read@0,4096B). Runtime 30 seconds
[ 543.447995][ T2976] udevd[2976]: worker [3643] /devices/virtual/block/nbd0 is taking a long time
[ 543.479438][ T53] block nbd0: Possible stuck request ffff88801ee80000: control (read@0,4096B). Runtime 60 seconds
[ 573.559371][ T53] block nbd0: Possible stuck request ffff88801ee80000: control (read@0,4096B). Runtime 90 seconds
[ 603.639434][ T53] block nbd0: Possible stuck request ffff88801ee80000: control (read@0,4096B). Runtime 120 seconds
[ 633.719384][ T53] block nbd0: Possible stuck request ffff88801ee80000: control (read@0,4096B). Runtime 150 seconds
executing program
[ 663.595053][ T2976] udevd[2976]: worker [3643] /devices/virtual/block/nbd0 timeout; kill it
[ 663.603802][ T3643] ldm_validate_partition_table(): Disk read failed.
[ 663.610598][ T2976] udevd[2976]: seq 7500 '/devices/virtual/block/nbd0' killed
[ 663.610954][ T3643] Dev nbd0: unable to read RDB block 0
[ 663.623500][ T3643] nbd0: unable to read partition table
[ 663.629306][ T3643] nbd0: partition table beyond EOD, truncated
[ 663.799272][ T53] block nbd0: Possible stuck request ffff88801ee80000: control (read@0,4096B). Runtime 180 seconds
[ 693.879328][ T53] block nbd0: Possible stuck request ffff88801ee80000: control (read@0,4096B). Runtime 210 seconds
[ 723.959322][ T53] block nbd0: Possible stuck request ffff88801ee80000: control (read@0,4096B). Runtime 240 seconds
[ 754.039304][ T53] block nbd0: Possible stuck request ffff88801ee80000: control (read@0,4096B). Runtime 270 seconds
[ 784.119294][ T53] block nbd0: Possible stuck request ffff88801ee80000: control (read@0,4096B). Runtime 300 seconds
[ 814.199294][ T53] block nbd0: Possible stuck request ffff88801ee80000: control (read@0,4096B). Runtime 330 seconds
[ 844.279245][ T53] block nbd0: Possible stuck request ffff88801ee80000: control (read@0,4096B). Runtime 360 seconds
[ 859.639306][ T29] INFO: task udevd:3643 blocked for more than 143 seconds.
[ 859.646528][ T29] Not tainted 6.0.0-rc6-next-20220923-syzkaller #0
[ 859.653645][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 859.662394][ T29] task:udevd state:D stack:27064 pid:3643 ppid:2976 flags:0x00004006
[ 859.671772][ T29] Call Trace:
[ 859.675070][ T29]
[ 859.678005][ T29] __schedule+0xbd2/0x55b0
[ 859.682743][ T29] ? lock_release+0x5cb/0x810
[ 859.687470][ T29] ? rcu_read_lock_sched_held+0xd/0x70
[ 859.693162][ T29] ? lock_acquire+0x4fc/0x630
[ 859.697865][ T29] ? show_rcu_tasks_trace_gp_kthread+0xa2/0xc0
[ 859.704191][ T29] ? io_schedule_timeout+0x140/0x140
[ 859.709604][ T29] ? lock_downgrade+0x6e0/0x6e0
[ 859.714478][ T29] ? do_raw_spin_lock+0x120/0x2a0
[ 859.719682][ T29] schedule+0xda/0x1b0
[ 859.723782][ T29] io_schedule+0xba/0x130
[ 859.728101][ T29] folio_wait_bit_common+0x394/0x9b0
[ 859.733576][ T29] ? filemap_get_folios_contig+0xa40/0xa40
[ 859.739516][ T29] ? lock_acquire+0x4fc/0x630
[ 859.744213][ T29] ? rcu_read_lock_sched_held+0xd/0x70
[ 859.749860][ T29] ? lock_release+0x5cb/0x810
[ 859.754560][ T29] ? __filemap_get_folio+0x250/0xd90
[ 859.760138][ T29] ? folio_unlock+0xc0/0xc0
[ 859.764663][ T29] ? xas_start+0x157/0x730
[ 859.769387][ T29] __filemap_get_folio+0xb76/0xd90
[ 859.774620][ T29] ? filemap_add_folio+0x1d0/0x1d0
[ 859.779768][ T29] ? find_get_pages_range_tag+0x3e0/0x700
[ 859.785514][ T29] ? filemap_get_folios+0x710/0x710
[ 859.790772][ T29] truncate_inode_pages_range+0x382/0x1020
[ 859.796613][ T29] ? truncate_inode_partial_folio+0xb90/0xb90
[ 859.802781][ T29] ? smp_call_function_many_cond+0x2af/0x1140
[ 859.808882][ T29] ? __brelse+0xa0/0xa0
[ 859.813198][ T29] ? smp_call_on_cpu+0x250/0x250
[ 859.818193][ T29] ? mutex_lock_io_nested+0x1190/0x1190
[ 859.823826][ T29] ? __brelse+0xa0/0xa0
[ 859.828003][ T29] blkdev_flush_mapping+0x140/0x2f0
[ 859.833327][ T29] blkdev_put_whole+0xd1/0xf0
[ 859.838142][ T29] blkdev_put+0x226/0x770
[ 859.842504][ T29] blkdev_close+0x64/0x80
[ 859.846873][ T29] __fput+0x27c/0xa90
[ 859.850979][ T29] ? blkdev_fsync+0xa0/0xa0
[ 859.855492][ T29] task_work_run+0x16b/0x270
[ 859.860122][ T29] ? task_work_cancel+0x30/0x30
[ 859.865000][ T29] ? do_raw_spin_unlock+0x171/0x230
[ 859.870231][ T29] do_exit+0xb35/0x2a20
[ 859.874395][ T29] ? rcu_read_lock_sched_held+0xd/0x70
[ 859.880047][ T29] ? lock_release+0x5cb/0x810
[ 859.884741][ T29] ? rwlock_bug.part.0+0x90/0x90
[ 859.889712][ T29] ? get_signal+0x88a/0x2430
[ 859.894319][ T29] ? mm_update_next_owner+0x7b0/0x7b0
[ 859.899721][ T29] ? do_raw_spin_lock+0x120/0x2a0
[ 859.904762][ T29] ? rwlock_bug.part.0+0x90/0x90
[ 859.909734][ T29] ? trace_hardirqs_on+0x2d/0x160
[ 859.914768][ T29] do_group_exit+0xd0/0x2a0
[ 859.919302][ T29] get_signal+0x21a6/0x2430
[ 859.923823][ T29] ? slab_free_freelist_hook+0x8b/0x1c0
[ 859.929402][ T29] ? exit_signals+0x8b0/0x8b0
[ 859.934090][ T29] ? kmem_cache_free+0xea/0x5b0
[ 859.938939][ T29] arch_do_signal_or_restart+0x82/0x2300
[ 859.944604][ T29] ? do_sys_openat2+0xa1/0x4c0
[ 859.949416][ T29] ? build_open_flags+0x6f0/0x6f0
[ 859.954440][ T29] ? get_sigframe_size+0x10/0x10
[ 859.959397][ T29] ? lock_downgrade+0x6e0/0x6e0
[ 859.964293][ T29] ? up_write+0x520/0x520
[ 859.968627][ T29] ? __x64_sys_openat+0x13f/0x1f0
[ 859.973700][ T29] ? __ia32_sys_open+0x1c0/0x1c0
[ 859.978669][ T29] exit_to_user_mode_prepare+0x15f/0x250
[ 859.984337][ T29] syscall_exit_to_user_mode+0x19/0x50
[ 859.990019][ T29] do_syscall_64+0x42/0xb0
[ 859.994436][ T29] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 860.000398][ T29] RIP: 0033:0x7fef98f25697
[ 860.004838][ T29] RSP: 002b:00007ffc797bb0f0 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
[ 860.013314][ T29] RAX: 0000000000000008 RBX: 000056116baefd30 RCX: 00007fef98f25697
[ 860.021310][ T29] RDX: 00000000000a0800 RSI: 000056116badcb80 RDI: 00000000ffffff9c
[ 860.029311][ T29] RBP: 000056116badcb80 R08: 0000000000000001 R09: 00007ffc797ea080
[ 860.037275][ T29] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000a0800
[ 860.045279][ T29] R13: 000056116bad4790 R14: 00007ffc797bb19c R15: 000056116baba910
[ 860.053291][ T29]
[ 860.056314][ T29] INFO: task syz-executor117:3651 blocked for more than 143 seconds.
[ 860.064405][ T29] Not tainted 6.0.0-rc6-next-20220923-syzkaller #0
[ 860.071472][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 860.080161][ T29] task:syz-executor117 state:D stack:29168 pid:3651 ppid:3639 flags:0x00000004
[ 860.089414][ T29] Call Trace:
[ 860.092691][ T29]
[ 860.095618][ T29] __schedule+0xbd2/0x55b0
[ 860.100070][ T29] ? _raw_spin_unlock_irqrestore+0x3d/0x70
[ 860.105915][ T29] ? lock_acquire+0x4fc/0x630
[ 860.110673][ T29] ? rcu_read_lock_sched_held+0xd/0x70
[ 860.116174][ T29] ? lock_release+0x590/0x810
[ 860.120899][ T29] ? io_schedule_timeout+0x140/0x140
[ 860.126198][ T29] ? rwlock_bug.part.0+0x90/0x90
[ 860.131225][ T29] schedule+0xda/0x1b0
[ 860.135321][ T29] schedule_preempt_disabled+0xf/0x20
[ 860.140729][ T29] __mutex_lock+0xa44/0x1350
[ 860.145342][ T29] ? blkdev_get_by_dev.part.0+0x9b/0xb90
[ 860.151020][ T29] ? mutex_lock_io_nested+0x1190/0x1190
[ 860.156584][ T29] ? do_raw_spin_unlock+0x171/0x230
[ 860.161825][ T29] ? _atomic_dec_and_lock+0x92/0x100
[ 860.167163][ T29] ? disk_block_events+0x1d/0x130
[ 860.172300][ T29] blkdev_get_by_dev.part.0+0x9b/0xb90
[ 860.177790][ T29] ? devcgroup_check_permission+0x1a6/0x430
[ 860.183780][ T29] blkdev_get_by_dev+0x6b/0x80
[ 860.188564][ T29] blkdev_open+0x13c/0x2c0
[ 860.193023][ T29] do_dentry_open+0x6cc/0x13f0
[ 860.197817][ T29] ? blkdev_close+0x80/0x80
[ 860.202363][ T29] path_openat+0x1c92/0x28f0
[ 860.206971][ T29] ? __zone_watermark_ok+0x450/0x450
[ 860.212299][ T29] ? path_lookupat+0x840/0x840
[ 860.217082][ T29] ? rcu_read_lock_sched_held+0xd/0x70
[ 860.222608][ T29] ? lock_acquire+0x4fc/0x630
[ 860.227307][ T29] ? rcu_read_lock_sched_held+0xd/0x70
[ 860.233014][ T29] do_filp_open+0x1b6/0x400
[ 860.237548][ T29] ? may_open_dev+0xf0/0xf0
[ 860.242095][ T29] ? do_raw_spin_lock+0x120/0x2a0
[ 860.247138][ T29] ? rwlock_bug.part.0+0x90/0x90
[ 860.252123][ T29] ? _raw_spin_unlock+0x24/0x40
[ 860.256993][ T29] ? alloc_fd+0x2d8/0x6d0
[ 860.261354][ T29] do_sys_openat2+0x16d/0x4c0
[ 860.266052][ T29] ? rcu_read_lock_sched_held+0xd/0x70
[ 860.271575][ T29] ? build_open_flags+0x6f0/0x6f0
[ 860.276660][ T29] ? lock_downgrade+0x6e0/0x6e0
[ 860.281588][ T29] ? up_write+0x520/0x520
[ 860.285947][ T29] __x64_sys_openat+0x13f/0x1f0
[ 860.290876][ T29] ? __ia32_sys_open+0x1c0/0x1c0
[ 860.295835][ T29] ? syscall_enter_from_user_mode+0x22/0xb0
[ 860.301759][ T29] ? trace_hardirqs_on+0x2d/0x160
[ 860.306813][ T29] do_syscall_64+0x35/0xb0
[ 860.311265][ T29] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 860.317183][ T29] RIP: 0033:0x7f28984acc24
[ 860.321686][ T29] RSP: 002b:00007f289849ce70 EFLAGS: 00000293 ORIG_RAX: 0000000000000101
[ 860.330137][ T29] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f28984acc24
[ 860.338114][ T29] RDX: 0000000000000000 RSI: 00007f289849cef0 RDI: 00000000ffffff9c
[ 860.346139][ T29] RBP: 00007f289849cef0 R08: 0000000000000000 R09: 00007f289849d700
[ 860.354154][ T29] R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
[ 860.362197][ T29] R13: 00007f28985411a4 R14: 64626e2f7665642f R15: 0000000000022000
[ 860.370230][ T29]
[ 860.373251][ T29] INFO: lockdep is turned off.
[ 860.378003][ T29] NMI backtrace for cpu 0
[ 860.382313][ T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.0.0-rc6-next-20220923-syzkaller #0
[ 860.391601][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
[ 860.401653][ T29] Call Trace:
[ 860.404922][ T29]
[ 860.407842][ T29] dump_stack_lvl+0xcd/0x134
[ 860.412454][ T29] nmi_cpu_backtrace.cold+0x24/0x18a
[ 860.417771][ T29] nmi_trigger_cpumask_backtrace+0x32f/0x3c0
[ 860.423840][ T29] ? lapic_can_unplug_cpu+0x80/0x80
[ 860.429030][ T29] watchdog+0xc6b/0xfc0
[ 860.433187][ T29] ? proc_dohung_task_timeout_secs+0x80/0x80
[ 860.439162][ T29] kthread+0x2e4/0x3a0
[ 860.443226][ T29] ? kthread_complete_and_exit+0x40/0x40
[ 860.448853][ T29] ret_from_fork+0x1f/0x30
[ 860.453270][ T29]
[ 860.456376][ T29] Sending NMI from CPU 0 to CPUs 1:
[ 860.461643][ C1] NMI backtrace for cpu 1
[ 860.461654][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.0.0-rc6-next-20220923-syzkaller #0
[ 860.461675][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
[ 860.461686][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x37/0x60
[ 860.461723][ C1] Code: 81 e1 00 01 00 00 65 48 8b 14 25 80 6f 02 00 a9 00 01 ff 00 74 0e 85 c9 74 35 8b 82 94 15 00 00 85 c0 74 2b 8b 82 70 15 00 00 <83> f8 02 75 20 48 8b 8a 78 15 00 00 8b 92 74 15 00 00 48 8b 01 48
[ 860.461741][ C1] RSP: 0018:ffffc90000187cf8 EFLAGS: 00000046
[ 860.461756][ C1] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000000000
[ 860.461768][ C1] RDX: ffff888011a83a80 RSI: ffffffff86819508 RDI: 0000000000000004
[ 860.461781][ C1] RBP: 0000000000a0411a R08: 0000000000000004 R09: 00000000000108fb
[ 860.461793][ C1] R10: 00000000000023ef R11: 0000000000000001 R12: ffff8880b9b38474
[ 860.461805][ C1] R13: 00000000000108fb R14: 00000000000023ef R15: dffffc0000000000
[ 860.461818][ C1] FS: 0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
[ 860.461835][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 860.461848][ C1] CR2: 000055c927cec680 CR3: 00000000252ed000 CR4: 00000000003506e0
[ 860.461860][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 860.461871][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 860.461883][ C1] Call Trace:
[ 860.461889][ C1]
[ 860.461895][ C1] menu_select+0x5f8/0x1900
[ 860.461984][ C1] ? menu_reflect+0x130/0x130
[ 860.462011][ C1] do_idle+0x37f/0x590
[ 860.462036][ C1] ? arch_cpu_idle_exit+0x30/0x30
[ 860.462063][ C1] cpu_startup_entry+0x14/0x20
[ 860.462086][ C1] start_secondary+0x252/0x300
[ 860.462117][ C1] ? set_cpu_sibling_map+0x25c0/0x25c0
[ 860.462150][ C1] secondary_startup_64_no_verify+0xce/0xdb
[ 860.462183][ C1]
[ 860.462636][ T29] Kernel panic - not syncing: hung_task: blocked tasks
[ 860.652377][ T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.0.0-rc6-next-20220923-syzkaller #0
[ 860.661666][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022
[ 860.671720][ T29] Call Trace:
[ 860.675001][ T29]
[ 860.677935][ T29] dump_stack_lvl+0xcd/0x134
[ 860.682549][ T29] panic+0x2c8/0x622
[ 860.686476][ T29] ? panic_print_sys_info.part.0+0x110/0x110
[ 860.692554][ T29] ? nmi_cpu_backtrace.cold+0xab/0x18a
[ 860.698040][ T29] ? irq_work_claim+0x76/0x90
[ 860.702740][ T29] ? irq_work_queue+0x29/0x80
[ 860.707429][ T29] ? watchdog.cold+0x130/0x158
[ 860.712232][ T29] watchdog.cold+0x141/0x158
[ 860.716844][ T29] ? proc_dohung_task_timeout_secs+0x80/0x80
[ 860.722849][ T29] kthread+0x2e4/0x3a0
[ 860.726934][ T29] ? kthread_complete_and_exit+0x40/0x40
[ 860.732579][ T29] ret_from_fork+0x1f/0x30
[ 860.737019][ T29]
[ 860.740193][ T29] Kernel Offset: disabled
[ 860.744515][ T29] Rebooting in 86400 seconds..