Warning: Permanently added '10.128.0.127' (ED25519) to the list of known hosts.
executing program
[ 553.219254][ T5056] nbd0: detected capacity change from 0 to 65538
[ 553.339380][ T4427] block nbd0: Receive control failed (result -104)
[ 553.346721][ T5055] block nbd0: shutting down sockets
[ 553.352980][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2
[ 553.362252][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read
[ 553.370138][ T5052] ldm_validate_partition_table(): Disk read failed.
[ 553.376912][ T5052] Dev nbd0: unable to read RDB block 0
[ 553.382380][ T5052] nbd0: unable to read partition table
executing program
[ 553.388164][ T5052] nbd0: partition table beyond EOD, truncated
[ 553.503217][ T5058] nbd0: detected capacity change from 0 to 65538
[ 553.621231][ T4427] block nbd0: Receive control failed (result -104)
[ 583.937167][ T52] block nbd0: Possible stuck request ffff88801f6c0000: control (read@0,4096B). Runtime 30 seconds
[ 613.580155][ T4475] udevd[4475]: worker [5052] /devices/virtual/block/nbd0 is taking a long time
[ 614.016328][ T52] block nbd0: Possible stuck request ffff88801f6c0000: control (read@0,4096B). Runtime 60 seconds
[ 644.096198][ T52] block nbd0: Possible stuck request ffff88801f6c0000: control (read@0,4096B). Runtime 90 seconds
[ 674.176120][ T52] block nbd0: Possible stuck request ffff88801f6c0000: control (read@0,4096B). Runtime 120 seconds
[ 704.256107][ T52] block nbd0: Possible stuck request ffff88801f6c0000: control (read@0,4096B). Runtime 150 seconds
[ 716.416120][ T28] INFO: task syz-executor408:5059 blocked for more than 143 seconds.
[ 716.424335][ T28] Not tainted 6.5.0-rc3-syzkaller-00123-g57012c57536f #0
[ 716.431920][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 716.440669][ T28] task:syz-executor408 state:D stack:28656 pid:5059 ppid:5051 flags:0x00004006
[ 716.450059][ T28] Call Trace:
[ 716.453349][ T28]
[ 716.456316][ T28] __schedule+0xee1/0x59f0
[ 716.460869][ T28] ? lockdep_hardirqs_on_prepare+0x410/0x410
[ 716.466893][ T28] ? lockdep_hardirqs_on_prepare+0x410/0x410
[ 716.472919][ T28] ? io_schedule_timeout+0x150/0x150
[ 716.478258][ T28] ? __mutex_lock+0x962/0x1340
[ 716.483063][ T28] schedule+0xe7/0x1b0
[ 716.487174][ T28] schedule_preempt_disabled+0x13/0x20
[ 716.492642][ T28] __mutex_lock+0x967/0x1340
[ 716.497268][ T28] ? blkdev_put+0xb0/0x8e0
[ 716.501692][ T28] ? mutex_lock_io_nested+0x11a0/0x11a0
[ 716.507312][ T28] ? do_raw_spin_unlock+0x173/0x230
[ 716.512527][ T28] ? blkdev_put+0xb0/0x8e0
[ 716.516973][ T28] blkdev_put+0xb0/0x8e0
[ 716.521227][ T28] ? preempt_count_sub+0x150/0x150
[ 716.526478][ T28] ? blkdev_fsync+0xd0/0xd0
[ 716.530991][ T28] blkdev_release+0x82/0xa0
[ 716.535476][ T28] __fput+0x3fd/0xac0
[ 716.539526][ T28] task_work_run+0x14d/0x240
[ 716.544134][ T28] ? task_work_cancel+0x30/0x30
[ 716.549295][ T28] get_signal+0x1075/0x2770
[ 716.553838][ T28] ? exit_signals+0x920/0x920
[ 716.558617][ T28] arch_do_signal_or_restart+0x89/0x5f0
[ 716.565259][ T28] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 716.571236][ T28] ? get_sigframe_size+0x10/0x10
[ 716.576234][ T28] exit_to_user_mode_prepare+0x11f/0x240
[ 716.581877][ T28] syscall_exit_to_user_mode+0x1d/0x50
[ 716.587365][ T28] do_syscall_64+0x44/0xb0
[ 716.591799][ T28] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 716.597716][ T28] RIP: 0033:0x7f45625004b9
[ 716.602137][ T28] RSP: 002b:00007f456249d228 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 716.610565][ T28] RAX: 0000000000000000 RBX: 00007f4562587338 RCX: 00007f45625004b9
[ 716.618575][ T28] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[ 716.626575][ T28] RBP: 00007f4562587330 R08: 00007ffc9ef560a7 R09: 00007f456249d6c0
[ 716.634550][ T28] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f456258733c
[ 716.642547][ T28] R13: 00007f45625541a4 R14: 64626e2f7665642f R15: 00007ffc9ef560a8
[ 716.650540][ T28]
[ 716.653554][ T28]
[ 716.653554][ T28] Showing all locks held in the system:
[ 716.661303][ T28] 1 lock held by rcu_tasks_kthre/13:
[ 716.666600][ T28] #0: ffffffff8c9a5970 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x2c/0xe20
[ 716.677094][ T28] 1 lock held by rcu_tasks_trace/14:
[ 716.682383][ T28] #0: ffffffff8c9a5670 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x2c/0xe20
[ 716.693432][ T28] 1 lock held by khungtaskd/28:
[ 716.698297][ T28] #0: ffffffff8c9a6580 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x340
[ 716.708200][ T28] 2 locks held by getty/4775:
[ 716.712884][ T28] #0: ffff88802cea2098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80
[ 716.722646][ T28] #1: ffffc900015c02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xfcb/0x1480
[ 716.732793][ T28] 1 lock held by udevd/5052:
[ 716.737399][ T28] #0: ffff888140b2d4c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev.part.0+0x4f0/0xb20
[ 716.748075][ T28] 1 lock held by syz-executor408/5059:
[ 716.753505][ T28] #0: ffff888140b2d4c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xb0/0x8e0
[ 716.762920][ T28]
[ 716.765239][ T28] =============================================
[ 716.765239][ T28]
[ 716.773665][ T28] NMI backtrace for cpu 0
[ 716.778089][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.5.0-rc3-syzkaller-00123-g57012c57536f #0
[ 716.787880][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
[ 716.798097][ T28] Call Trace:
[ 716.801364][ T28]
[ 716.804280][ T28] dump_stack_lvl+0xd9/0x1b0
[ 716.808867][ T28] nmi_cpu_backtrace+0x277/0x380
[ 716.813831][ T28] ? lapic_can_unplug_cpu+0xa0/0xa0
[ 716.819119][ T28] nmi_trigger_cpumask_backtrace+0x2ac/0x310
[ 716.825101][ T28] watchdog+0xf29/0x11b0
[ 716.829344][ T28] ? proc_dohung_task_timeout_secs+0x90/0x90
[ 716.835530][ T28] ? proc_dohung_task_timeout_secs+0x90/0x90
[ 716.841623][ T28] kthread+0x33a/0x430
[ 716.845688][ T28] ? kthread_complete_and_exit+0x40/0x40
[ 716.851312][ T28] ret_from_fork+0x2c/0x70
[ 716.855726][ T28] ? kthread_complete_and_exit+0x40/0x40
[ 716.861434][ T28] ret_from_fork_asm+0x11/0x20
[ 716.866198][ T28] RIP: 0000:0x0
[ 716.869651][ T28] Code: Unable to access opcode bytes at 0xffffffffffffffd6.
[ 716.876999][ T28] RSP: 0000:0000000000000000 EFLAGS: 00000000 ORIG_RAX: 0000000000000000
[ 716.885399][ T28] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 716.895446][ T28] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 716.903407][ T28] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 716.911367][ T28] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 716.919323][ T28] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 716.927375][ T28]
[ 716.930520][ T28] Sending NMI from CPU 0 to CPUs 1:
[ 716.935740][ C1] NMI backtrace for cpu 1
[ 716.935748][ C1] CPU: 1 PID: 53 Comm: kworker/u4:3 Not tainted 6.5.0-rc3-syzkaller-00123-g57012c57536f #0
[ 716.935762][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
[ 716.935770][ C1] Workqueue: events_unbound toggle_allocation_gate
[ 716.935790][ C1] RIP: 0010:smp_call_function_many_cond+0x4db/0x1570
[ 716.935813][ C1] Code: 4d 48 b8 00 00 00 00 00 fc ff df 4d 89 fc 4c 89 fd 49 c1 ec 03 83 e5 07 49 01 c4 83 c5 03 e8 1c 5f 0b 00 f3 90 41 0f b6 04 24 <40> 38 c5 7c 08 84 c0 0f 85 3c 0e 00 00 8b 43 08 31 ff 83 e0 01 41
[ 716.935825][ C1] RSP: 0018:ffffc90000be7938 EFLAGS: 00000293
[ 716.935834][ C1] RAX: 0000000000000000 RBX: ffff8880b9844fe0 RCX: 0000000000000000
[ 716.935842][ C1] RDX: ffff888016a89dc0 RSI: ffffffff817b1234 RDI: 0000000000000005
[ 716.935850][ C1] RBP: 0000000000000003 R08: 0000000000000005 R09: 0000000000000000
[ 716.935856][ C1] R10: 0000000000000001 R11: 0000000000000000 R12: ffffed10173089fd
[ 716.935864][ C1] R13: 0000000000000001 R14: ffff8880b993d580 R15: ffff8880b9844fe8
[ 716.935874][ C1] FS: 0000000000000000(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
[ 716.935888][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 716.935899][ C1] CR2: 00007ffed960df78 CR3: 000000000c776000 CR4: 0000000000350ee0
[ 716.935908][ C1] Call Trace:
[ 716.935913][ C1]
[ 716.935918][ C1] ? nmi_cpu_backtrace+0x1d4/0x380
[ 716.935943][ C1] ? smp_call_function_many_cond+0x4db/0x1570
[ 716.935960][ C1] ? nmi_cpu_backtrace_handler+0xc/0x10
[ 716.935981][ C1] ? nmi_handle+0x145/0x400
[ 716.935999][ C1] ? irqentry_nmi_enter+0x7f/0x90
[ 716.936017][ C1] ? smp_call_function_many_cond+0x4db/0x1570
[ 716.936033][ C1] ? default_do_nmi+0x69/0x160
[ 716.936045][ C1] ? exc_nmi+0x171/0x1e0
[ 716.936058][ C1] ? end_repeat_nmi+0x16/0x31
[ 716.936074][ C1] ? smp_call_function_many_cond+0x4d4/0x1570
[ 716.936090][ C1] ? smp_call_function_many_cond+0x4db/0x1570
[ 716.936105][ C1] ? smp_call_function_many_cond+0x4db/0x1570
[ 716.936122][ C1] ? smp_call_function_many_cond+0x4db/0x1570
[ 716.936137][ C1]
[ 716.936140][ C1]
[ 716.936145][ C1] ? __text_poke+0x8a0/0x8a0
[ 716.936158][ C1] ? generic_smp_call_function_single_interrupt+0x20/0x20
[ 716.936182][ C1] ? apply_relocation+0x680/0x680
[ 716.936194][ C1] ? __text_poke+0x8a0/0x8a0
[ 716.936205][ C1] on_each_cpu_cond_mask+0x40/0x90
[ 716.936221][ C1] text_poke_bp_batch+0x661/0x780
[ 716.936233][ C1] ? __kmem_cache_alloc_node+0xc9/0x350
[ 716.936251][ C1] ? __kmem_cache_alloc_node+0xca/0x350
[ 716.936266][ C1] ? do_sync_core+0x30/0x30
[ 716.936276][ C1] ? __jump_label_patch+0x27c/0x340
[ 716.936295][ C1] ? arch_jump_label_transform_queue+0xa3/0x100
[ 716.936314][ C1] text_poke_finish+0x1a/0x30
[ 716.936326][ C1] arch_jump_label_transform_apply+0x17/0x30
[ 716.936343][ C1] jump_label_update+0x32e/0x410
[ 716.936362][ C1] static_key_enable_cpuslocked+0x1b5/0x270
[ 716.936377][ C1] static_key_enable+0x1a/0x20
[ 716.936391][ C1] toggle_allocation_gate+0xf4/0x250
[ 716.936410][ C1] ? wake_up_kfence_timer+0x30/0x30
[ 716.936421][ C1] ? spin_bug+0x1d0/0x1d0
[ 716.936444][ C1] process_one_work+0xaa2/0x16f0
[ 716.936464][ C1] ? lock_sync+0x190/0x190
[ 716.936478][ C1] ? pwq_dec_nr_in_flight+0x2a0/0x2a0
[ 716.936493][ C1] ? spin_bug+0x1d0/0x1d0
[ 716.936510][ C1] worker_thread+0x687/0x1110
[ 716.936527][ C1] ? process_one_work+0x16f0/0x16f0
[ 716.936541][ C1] kthread+0x33a/0x430
[ 716.936555][ C1] ? kthread_complete_and_exit+0x40/0x40
[ 716.936568][ C1] ret_from_fork+0x2c/0x70
[ 716.936582][ C1] ? kthread_complete_and_exit+0x40/0x40
[ 716.936594][ C1] ret_from_fork_asm+0x11/0x20
[ 716.936617][ C1] RIP: 0000:0x0
[ 716.936632][ C1] Code: Unable to access opcode bytes at 0xffffffffffffffd6.
[ 716.936641][ C1] RSP: 0000:0000000000000000 EFLAGS: 00000000 ORIG_RAX: 0000000000000000
[ 716.936653][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 716.936660][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 716.936667][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 716.936674][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 716.936681][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 716.936692][ C1]
[ 716.942330][ T28] Kernel panic - not syncing: hung_task: blocked tasks
[ 716.942339][ T28] CPU: 0 PID: 28 Comm: khungtaskd Not tainted 6.5.0-rc3-syzkaller-00123-g57012c57536f #0
[ 716.942356][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
[ 716.942365][ T28] Call Trace:
[ 716.942369][ T28]
[ 716.942375][ T28] dump_stack_lvl+0xd9/0x1b0
[ 716.942395][ T28] panic+0x6a4/0x750
[ 716.942415][ T28] ? panic_smp_self_stop+0xa0/0xa0
[ 716.942435][ T28] ? lapic_can_unplug_cpu+0xa0/0xa0
[ 716.942459][ T28] ? preempt_schedule_thunk+0x1a/0x30
[ 716.942488][ T28] ? watchdog+0xce1/0x11b0
[ 716.942518][ T28] watchdog+0xcf2/0x11b0
[ 716.942542][ T28] ? proc_dohung_task_timeout_secs+0x90/0x90
[ 716.942569][ T28] ? proc_dohung_task_timeout_secs+0x90/0x90
[ 716.942591][ T28] kthread+0x33a/0x430
[ 716.942608][ T28] ? kthread_complete_and_exit+0x40/0x40
[ 716.942626][ T28] ret_from_fork+0x2c/0x70
[ 716.942645][ T28] ? kthread_complete_and_exit+0x40/0x40
[ 716.942662][ T28] ret_from_fork_asm+0x11/0x20
[ 716.942688][ T28] RIP: 0000:0x0
[ 716.942702][ T28] Code: Unable to access opcode bytes at 0xffffffffffffffd6.
[ 716.942709][ T28] RSP: 0000:0000000000000000 EFLAGS: 00000000 ORIG_RAX: 0000000000000000
[ 716.942724][ T28] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 716.942734][ T28] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 716.942743][ T28] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 716.942752][ T28] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 716.942761][ T28] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 716.942778][ T28]
[ 716.951943][ T28] Kernel Offset: disabled
[ 717.527715][ T28] Rebooting in 86400 seconds..