Warning: Permanently added '10.128.0.162' (ED25519) to the list of known hosts.
executing program
[ 549.629575][ T5090] nbd0: detected capacity change from 0 to 262
[ 549.789982][ T4455] block nbd0: Receive control failed (result -104)
[ 549.790832][ T5090] block nbd0: shutting down sockets
[ 549.803212][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[ 549.812528][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 549.820477][ T5087] ldm_validate_partition_table(): Disk read failed.
[ 549.827315][ T5087] Dev nbd0: unable to read RDB block 0
[ 549.832841][ T5087] nbd0: unable to read partition table
executing program
[ 549.838674][ T5087] nbd0: partition table beyond EOD, truncated
[ 549.897378][ T5092] nbd0: detected capacity change from 0 to 262
[ 550.058233][ T4455] block nbd0: Receive control failed (result -104)
[ 550.058716][ T5092] block nbd0: shutting down sockets
[ 550.070586][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[ 550.080221][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 550.088091][ T5087] ldm_validate_partition_table(): Disk read failed.
[ 550.094723][ T5087] Dev nbd0: unable to read RDB block 0
[ 550.100308][ T5087] nbd0: unable to read partition table
executing program
[ 550.106045][ T5087] nbd0: partition table beyond EOD, truncated
[ 550.167236][ T5094] nbd0: detected capacity change from 0 to 262
[ 550.329229][ T4455] block nbd0: Receive control failed (result -104)
[ 550.335874][ T5094] block nbd0: shutting down sockets
[ 550.341472][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[ 550.350592][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 550.358515][ T5087] ldm_validate_partition_table(): Disk read failed.
[ 550.365175][ T5087] Dev nbd0: unable to read RDB block 0
[ 550.370794][ T5087] nbd0: unable to read partition table
executing program
[ 550.376621][ T5087] nbd0: partition table beyond EOD, truncated
[ 550.437962][ T5096] nbd0: detected capacity change from 0 to 262
[ 550.599245][ T4455] block nbd0: Receive control failed (result -104)
[ 550.606687][ T5096] block nbd0: shutting down sockets
[ 550.612097][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[ 550.621186][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 550.629104][ T5087] ldm_validate_partition_table(): Disk read failed.
[ 550.635727][ T5087] Dev nbd0: unable to read RDB block 0
[ 550.641328][ T5087] nbd0: unable to read partition table
executing program
[ 550.647187][ T5087] nbd0: partition table beyond EOD, truncated
[ 550.787296][ T5099] nbd0: detected capacity change from 0 to 262
[ 550.876429][ T4455] block nbd0: Receive control failed (result -104)
[ 550.877232][ T5099] block nbd0: shutting down sockets
[ 550.888660][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[ 550.897773][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 550.905636][ T5087] ldm_validate_partition_table(): Disk read failed.
[ 550.912379][ T5087] Dev nbd0: unable to read RDB block 0
[ 550.917992][ T5087] nbd0: unable to read partition table
executing program
[ 550.923747][ T5087] nbd0: partition table beyond EOD, truncated
[ 550.987100][ T5101] nbd0: detected capacity change from 0 to 262
[ 551.150715][ T4455] block nbd0: Receive control failed (result -104)
[ 551.151203][ T5101] block nbd0: shutting down sockets
[ 551.162885][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[ 551.171987][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 551.179889][ T5087] ldm_validate_partition_table(): Disk read failed.
[ 551.186709][ T5087] Dev nbd0: unable to read RDB block 0
[ 551.192208][ T5087] nbd0: unable to read partition table
executing program
[ 551.198228][ T5087] nbd0: partition table beyond EOD, truncated
[ 551.257799][ T5103] nbd0: detected capacity change from 0 to 262
[ 551.419899][ T4455] block nbd0: Receive control failed (result -104)
[ 551.420431][ T5103] block nbd0: shutting down sockets
[ 551.432113][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[ 551.441245][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 551.449228][ T5087] ldm_validate_partition_table(): Disk read failed.
[ 551.455877][ T5087] Dev nbd0: unable to read RDB block 0
[ 551.461505][ T5087] nbd0: unable to read partition table
executing program
[ 551.467287][ T5087] nbd0: partition table beyond EOD, truncated
[ 551.527478][ T5105] nbd0: detected capacity change from 0 to 262
[ 551.689052][ T4455] block nbd0: Receive control failed (result -104)
[ 551.689447][ T5105] block nbd0: shutting down sockets
[ 551.701656][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[ 551.710803][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 551.718752][ T5087] ldm_validate_partition_table(): Disk read failed.
[ 551.725433][ T5087] Dev nbd0: unable to read RDB block 0
[ 551.731039][ T5087] nbd0: unable to read partition table
executing program
[ 551.736819][ T5087] nbd0: partition table beyond EOD, truncated
[ 551.807294][ T5107] nbd0: detected capacity change from 0 to 262
executing program
[ 551.967913][ T5107] block nbd0: shutting down sockets
[ 551.973519][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[ 551.982831][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 551.990719][ T5087] ldm_validate_partition_table(): Disk read failed.
[ 551.997455][ T5087] Dev nbd0: unable to read RDB block 0
[ 552.002932][ T5087] nbd0: unable to read partition table
[ 552.008758][ T5087] nbd0: partition table beyond EOD, truncated
[ 552.067802][ T5109] nbd0: detected capacity change from 0 to 262
[ 552.229049][ T4455] block nbd0: Receive control failed (result -104)
[ 552.229557][ T5109] block nbd0: shutting down sockets
[ 552.241194][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[ 552.250320][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 552.258234][ T5087] ldm_validate_partition_table(): Disk read failed.
[ 552.264891][ T5087] Dev nbd0: unable to read RDB block 0
[ 552.270487][ T5087] nbd0: unable to read partition table
executing program
[ 552.276225][ T5087] nbd0: partition table beyond EOD, truncated
[ 552.337413][ T5111] nbd0: detected capacity change from 0 to 262
[ 552.498604][ T4455] block nbd0: Receive control failed (result -104)
[ 582.787197][ T96] block nbd0: Possible stuck request ffff88801cf48800: control (read@0,4096B). Runtime 30 seconds
[ 612.426554][ T4504] udevd[4504]: worker [5087] /devices/virtual/block/nbd0 is taking a long time
[ 612.866574][ T96] block nbd0: Possible stuck request ffff88801cf48800: control (read@0,4096B). Runtime 60 seconds
[ 642.946677][ T96] block nbd0: Possible stuck request ffff88801cf48800: control (read@0,4096B). Runtime 90 seconds
[ 673.026504][ T96] block nbd0: Possible stuck request ffff88801cf48800: control (read@0,4096B). Runtime 120 seconds
[ 703.106550][ T96] block nbd0: Possible stuck request ffff88801cf48800: control (read@0,4096B). Runtime 150 seconds
[ 716.546533][ T29] INFO: task syz-executor257:5111 blocked for more than 143 seconds.
[ 716.554752][ T29] Not tainted 6.6.0-syzkaller-03860-g5a6a09e97199 #0
[ 716.562103][ T29] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 716.570907][ T29] task:syz-executor257 state:D stack:27496 pid:5111 tgid:5110 ppid:5086 flags:0x00004006
[ 716.581256][ T29] Call Trace:
[ 716.584584][ T29]
[ 716.587600][ T29] __schedule+0x1960/0x4a80
[ 716.592310][ T29] ? release_firmware_map_entry+0x190/0x190
[ 716.598264][ T29] ? __lock_acquire+0x7f70/0x7f70
[ 716.603426][ T29] ? __mutex_trylock_common+0x91/0x2e0
[ 716.608951][ T29] ? schedule+0x8e/0x260
[ 716.613215][ T29] schedule+0x149/0x260
[ 716.617434][ T29] schedule_preempt_disabled+0x13/0x20
[ 716.622919][ T29] __mutex_lock+0x6a3/0xd60
[ 716.627492][ T29] ? __mutex_lock+0x526/0xd60
[ 716.632199][ T29] ? blkdev_put+0xff/0x770
[ 716.636873][ T29] ? mutex_lock_nested+0x20/0x20
[ 716.641849][ T29] ? __fsnotify_parent+0x4da/0x730
[ 716.647086][ T29] blkdev_put+0xff/0x770
[ 716.651369][ T29] ? __rwlock_init+0x150/0x150
[ 716.656148][ T29] bdev_release+0x57/0x70
[ 716.660567][ T29] blkdev_release+0x3b/0x40
[ 716.665091][ T29] ? blkdev_open+0x3c0/0x3c0
[ 716.669742][ T29] __fput+0x3cc/0xa10
[ 716.673765][ T29] task_work_run+0x24a/0x300
[ 716.678458][ T29] ? task_work_cancel+0x2b0/0x2b0
[ 716.683511][ T29] ? blkdev_ioctl+0x5cf/0x730
[ 716.688304][ T29] ? exit_to_user_mode_loop+0x39/0x100
[ 716.693823][ T29] exit_to_user_mode_loop+0xde/0x100
[ 716.699214][ T29] exit_to_user_mode_prepare+0xb1/0x140
[ 716.704816][ T29] syscall_exit_to_user_mode+0x64/0x280
[ 716.710526][ T29] do_syscall_64+0x50/0x110
[ 716.715060][ T29] entry_SYSCALL_64_after_hwframe+0x63/0x6b
[ 716.721053][ T29] RIP: 0033:0x7fa873f82479
[ 716.725500][ T29] RSP: 002b:00007fa873f40228 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 716.733972][ T29] RAX: 0000000000000000 RBX: 00007fa874009328 RCX: 00007fa873f82479
[ 716.742026][ T29] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 716.750059][ T29] RBP: 00007fa874009320 R08: 00007fa873f406c0 R09: 00007fa873f406c0
[ 716.758076][ T29] R10: 00007fa873f406c0 R11: 0000000000000246 R12: 00007fa87400932c
[ 716.766062][ T29] R13: 00007fa873fd61a4 R14: 64626e2f7665642f R15: 00007ffd9fd4c8a8
[ 716.774114][ T29]
[ 716.777177][ T29]
[ 716.777177][ T29] Showing all locks held in the system:
[ 716.784901][ T29] 1 lock held by khungtaskd/29:
[ 716.789807][ T29] #0: ffffffff8d72d4a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0
[ 716.799782][ T29] 2 locks held by getty/4809:
[ 716.804461][ T29] #0: ffff88802647d0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 716.814319][ T29] #1: ffffc90002f062f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b1/0x1dc0
[ 716.824501][ T29] 1 lock held by udevd/5087:
[ 716.829158][ T29] #0: ffff88814172e4c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x137/0x620
[ 716.839270][ T29] 1 lock held by syz-executor257/5111:
[ 716.844758][ T29] #0: ffff88814172e4c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xff/0x770
[ 716.854169][ T29]
[ 716.856532][ T29] =============================================
[ 716.856532][ T29]
[ 716.864932][ T29] NMI backtrace for cpu 0
[ 716.869267][ T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.6.0-syzkaller-03860-g5a6a09e97199 #0
[ 716.878723][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[ 716.888776][ T29] Call Trace:
[ 716.892068][ T29]
[ 716.895004][ T29] dump_stack_lvl+0x1e7/0x2d0
[ 716.899706][ T29] ? nf_tcp_handle_invalid+0x650/0x650
[ 716.905175][ T29] ? panic+0x770/0x770
[ 716.909274][ T29] ? vprintk_emit+0x607/0x720
[ 716.913965][ T29] ? printk_sprint+0x480/0x480
[ 716.918741][ T29] nmi_cpu_backtrace+0x498/0x4d0
[ 716.923697][ T29] ? nmi_trigger_cpumask_backtrace+0x310/0x310
[ 716.929854][ T29] ? _printk+0xd5/0x120
[ 716.934034][ T29] ? panic+0x770/0x770
[ 716.938109][ T29] ? __wake_up_klogd+0xcc/0x100
[ 716.942986][ T29] ? panic+0x770/0x770
[ 716.947088][ T29] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 716.953216][ T29] nmi_trigger_cpumask_backtrace+0x198/0x310
[ 716.959220][ T29] watchdog+0xfa9/0xff0
[ 716.963424][ T29] ? watchdog+0x1e9/0xff0
[ 716.967787][ T29] kthread+0x2d3/0x370
[ 716.971871][ T29] ? hungtask_pm_notify+0x90/0x90
[ 716.976913][ T29] ? kthread_blkcg+0xd0/0xd0
[ 716.981516][ T29] ret_from_fork+0x48/0x80
[ 716.985966][ T29] ? kthread_blkcg+0xd0/0xd0
[ 716.990591][ T29] ret_from_fork_asm+0x11/0x20
[ 716.995432][ T29]
[ 716.998565][ T29] Sending NMI from CPU 0 to CPUs 1:
[ 717.003810][ C1] NMI backtrace for cpu 1
[ 717.003820][ C1] CPU: 1 PID: 1049 Comm: kworker/u4:6 Not tainted 6.6.0-syzkaller-03860-g5a6a09e97199 #0
[ 717.003838][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[ 717.003849][ C1] Workqueue: events_unbound toggle_allocation_gate
[ 717.003942][ C1] RIP: 0010:cpus_read_lock+0x5b/0x150
[ 717.003964][ C1] Code: b8 01 00 00 00 45 31 c9 ff 74 24 08 e8 7e b4 18 00 48 83 c4 08 bf 01 00 00 00 e8 20 2a 0c 00 e8 3b 30 b8 09 89 c3 31 ff 89 c6 30 06 3a 00 85 db 74 1b e8 57 eb 20 00 89 c3 31 ff 89 c6 e8 1c
[ 717.003977][ C1] RSP: 0018:ffffc900044d7b00 EFLAGS: 00000246
[ 717.003990][ C1] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffff88801eb59dc0
[ 717.004001][ C1] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
[ 717.004010][ C1] RBP: ffffc900044d7bf0 R08: dffffc0000000000 R09: 1ffffffff2173c74
[ 717.004022][ C1] R10: dffffc0000000000 R11: fffffbfff2173c75 R12: dffffc0000000000
[ 717.004034][ C1] R13: dffffc0000000000 R14: ffffffff923fa7a0 R15: 1ffff9200089af64
[ 717.004046][ C1] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
[ 717.004059][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 717.004070][ C1] CR2: 00007f8ffc122580 CR3: 000000000d530000 CR4: 00000000003506f0
[ 717.004084][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 717.004092][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 717.004102][ C1] Call Trace:
[ 717.004108][ C1]
[ 717.004113][ C1] ? nmi_cpu_backtrace+0x3be/0x4d0
[ 717.004135][ C1] ? read_lock_is_recursive+0x20/0x20
[ 717.004157][ C1] ? nmi_trigger_cpumask_backtrace+0x310/0x310
[ 717.004178][ C1] ? nmi_handle+0x2a/0x570
[ 717.004207][ C1] ? nmi_cpu_backtrace_handler+0xc/0x10
[ 717.004230][ C1] ? nmi_handle+0x14c/0x570
[ 717.004250][ C1] ? nmi_handle+0x2a/0x570
[ 717.004271][ C1] ? cpus_read_lock+0x5b/0x150
[ 717.004289][ C1] ? default_do_nmi+0x62/0x150
[ 717.004310][ C1] ? exc_nmi+0x121/0x200
[ 717.004329][ C1] ? end_repeat_nmi+0xf/0x2a
[ 717.004402][ C1] ? cpus_read_lock+0x5b/0x150
[ 717.004421][ C1] ? cpus_read_lock+0x5b/0x150
[ 717.004440][ C1] ? cpus_read_lock+0x5b/0x150
[ 717.004459][ C1]
[ 717.004463][ C1]
[ 717.004468][ C1] static_key_disable+0x12/0x20
[ 717.004501][ C1] toggle_allocation_gate+0x1b8/0x250
[ 717.004522][ C1] ? show_object+0x70/0x70
[ 717.004540][ C1] ? print_irqtrace_events+0x220/0x220
[ 717.004566][ C1] ? process_scheduled_works+0x825/0x1400
[ 717.004586][ C1] process_scheduled_works+0x90f/0x1400
[ 717.004621][ C1] ? assign_work+0x3d0/0x3d0
[ 717.004643][ C1] ? assign_work+0x364/0x3d0
[ 717.004665][ C1] worker_thread+0xa5f/0xff0
[ 717.004689][ C1] ? _raw_spin_unlock_irqrestore+0xdd/0x140
[ 717.004736][ C1] kthread+0x2d3/0x370
[ 717.004751][ C1] ? pr_cont_work+0x5e0/0x5e0
[ 717.004769][ C1] ? kthread_blkcg+0xd0/0xd0
[ 717.004784][ C1] ret_from_fork+0x48/0x80
[ 717.004803][ C1] ? kthread_blkcg+0xd0/0xd0
[ 717.004818][ C1] ret_from_fork_asm+0x11/0x20
[ 717.004851][ C1]
[ 717.004857][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.047 msecs
[ 717.005808][ T29] Kernel panic - not syncing: hung_task: blocked tasks
[ 717.323610][ T29] CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.6.0-syzkaller-03860-g5a6a09e97199 #0
[ 717.333073][ T29] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023
[ 717.343134][ T29] Call Trace:
[ 717.346455][ T29]
[ 717.349392][ T29] dump_stack_lvl+0x1e7/0x2d0
[ 717.354091][ T29] ? nf_tcp_handle_invalid+0x650/0x650
[ 717.359570][ T29] ? panic+0x770/0x770
[ 717.363666][ T29] ? vscnprintf+0x5d/0x80
[ 717.368018][ T29] panic+0x30f/0x770
[ 717.371928][ T29] ? asm_sysvec_call_function_single+0x1a/0x20
[ 717.378094][ T29] ? nmi_trigger_cpumask_backtrace+0x244/0x310
[ 717.384267][ T29] ? __memcpy_flushcache+0x2b0/0x2b0
[ 717.389571][ T29] ? irq_work_queue+0xd1/0x150
[ 717.394370][ T29] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 717.400480][ T29] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 717.406597][ T29] ? arch_trigger_cpumask_backtrace+0x10/0x10
[ 717.412699][ T29] ? nmi_trigger_cpumask_backtrace+0x24d/0x310
[ 717.418876][ T29] watchdog+0xfe8/0xff0
[ 717.423054][ T29] ? watchdog+0x1e9/0xff0
[ 717.427404][ T29] kthread+0x2d3/0x370
[ 717.431480][ T29] ? hungtask_pm_notify+0x90/0x90
[ 717.436522][ T29] ? kthread_blkcg+0xd0/0xd0
[ 717.441127][ T29] ret_from_fork+0x48/0x80
[ 717.445552][ T29] ? kthread_blkcg+0xd0/0xd0
[ 717.450153][ T29] ret_from_fork_asm+0x11/0x20
[ 717.454946][ T29]
[ 717.458254][ T29] Kernel Offset: disabled
[ 717.462580][ T29] Rebooting in 86400 seconds..