Warning: Permanently added '10.128.0.228' (ED25519) to the list of known hosts. executing program [ 564.585241][ T3579] nbd0: detected capacity change from 0 to 122 [ 564.702648][ T48] block nbd0: Receive control failed (result -104) [ 564.709389][ T3580] block nbd0: shutting down sockets [ 564.715471][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 564.724630][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 564.732444][ T3582] ldm_validate_partition_table(): Disk read failed. [ 564.739181][ T3582] Dev nbd0: unable to read RDB block 0 [ 564.744734][ T3582] nbd0: unable to read partition table executing program [ 564.750402][ T3582] nbd0: partition table beyond EOD, truncated [ 564.864864][ T3585] nbd0: detected capacity change from 0 to 122 [ 564.980789][ T48] block nbd0: Receive control failed (result -104) [ 564.988005][ T3584] block nbd0: shutting down sockets [ 564.993583][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 565.002625][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 565.010475][ T3582] ldm_validate_partition_table(): Disk read failed. [ 565.017173][ T3582] Dev nbd0: unable to read RDB block 0 [ 565.022660][ T3582] nbd0: unable to read partition table executing program [ 565.028409][ T3582] nbd0: partition table beyond EOD, truncated [ 565.124948][ T3588] nbd0: detected capacity change from 0 to 122 [ 565.241967][ T48] block nbd0: Receive control failed (result -104) [ 565.242318][ T3587] block nbd0: shutting down sockets [ 565.254625][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 565.263685][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 565.271458][ T3582] ldm_validate_partition_table(): Disk read failed. [ 565.278093][ T3582] Dev nbd0: unable to read RDB block 0 [ 565.283585][ T3582] nbd0: unable to read partition table executing program [ 565.289211][ T3582] nbd0: partition table beyond EOD, truncated [ 565.404237][ T3590] nbd0: detected capacity change from 0 to 122 [ 565.521065][ T48] block nbd0: Receive control failed (result -104) [ 565.521406][ T3591] block nbd0: shutting down sockets [ 565.533264][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 565.542319][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 565.550148][ T3582] ldm_validate_partition_table(): Disk read failed. [ 565.556821][ T3582] Dev nbd0: unable to read RDB block 0 [ 565.562276][ T3582] nbd0: unable to read partition table executing program [ 565.568151][ T3582] nbd0: partition table beyond EOD, truncated [ 565.664920][ T3594] nbd0: detected capacity change from 0 to 122 [ 565.782349][ T48] block nbd0: Receive control failed (result -104) [ 565.782763][ T3593] block nbd0: shutting down sockets [ 565.794817][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 565.803877][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 565.811687][ T3582] ldm_validate_partition_table(): Disk read failed. [ 565.818599][ T3582] Dev nbd0: unable to read RDB block 0 [ 565.824261][ T3582] nbd0: unable to read partition table executing program [ 565.829927][ T3582] nbd0: partition table beyond EOD, truncated [ 565.934849][ T3597] nbd0: detected capacity change from 0 to 122 [ 566.050611][ T48] block nbd0: Receive control failed (result -104) [ 566.051075][ T3596] block nbd0: shutting down sockets [ 566.062623][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 566.071727][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 566.079622][ T3582] ldm_validate_partition_table(): Disk read failed. [ 566.086278][ T3582] Dev nbd0: unable to read RDB block 0 [ 566.091745][ T3582] nbd0: unable to read partition table executing program [ 566.097458][ T3582] nbd0: partition table beyond EOD, truncated [ 566.195017][ T3600] nbd0: detected capacity change from 0 to 122 [ 566.310307][ T48] block nbd0: Receive control failed (result -104) [ 566.310490][ T3599] block nbd0: shutting down sockets [ 566.322964][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 566.332027][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 566.339962][ T3582] ldm_validate_partition_table(): Disk read failed. [ 566.346640][ T3582] Dev nbd0: unable to read RDB block 0 [ 566.352126][ T3582] nbd0: unable to read partition table executing program [ 566.357898][ T3582] nbd0: partition table beyond EOD, truncated [ 566.455767][ T3603] nbd0: detected capacity change from 0 to 122 [ 566.574791][ T48] block nbd0: Receive control failed (result -104) [ 566.575367][ T3602] block nbd0: shutting down sockets [ 566.587104][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 566.596168][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 566.604023][ T3582] ldm_validate_partition_table(): Disk read failed. [ 566.610696][ T3582] Dev nbd0: unable to read RDB block 0 [ 566.616255][ T3582] nbd0: unable to read partition table executing program [ 566.621950][ T3582] nbd0: partition table beyond EOD, truncated [ 566.724942][ T3606] nbd0: detected capacity change from 0 to 122 [ 566.841346][ T48] block nbd0: Receive control failed (result -104) [ 566.841677][ T3605] block nbd0: shutting down sockets [ 566.853916][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 566.862949][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 566.870777][ T3582] ldm_validate_partition_table(): Disk read failed. [ 566.877448][ T3582] Dev nbd0: unable to read RDB block 0 [ 566.882928][ T3582] nbd0: unable to read partition table executing program [ 566.888644][ T3582] nbd0: partition table beyond EOD, truncated [ 566.984927][ T3609] nbd0: detected capacity change from 0 to 122 [ 567.100256][ T48] block nbd0: Receive control failed (result -104) [ 567.101643][ T3608] block nbd0: shutting down sockets [ 567.112322][ C0] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 567.121405][ C0] Buffer I/O error on dev nbd0, logical block 0, async page read [ 567.129251][ T3582] ldm_validate_partition_table(): Disk read failed. [ 567.135911][ T3582] Dev nbd0: unable to read RDB block 0 [ 567.141371][ T3582] nbd0: unable to read partition table executing program [ 567.147098][ T3582] nbd0: partition table beyond EOD, truncated [ 567.261200][ T3611] nbd0: detected capacity change from 0 to 122 [ 567.378398][ T48] block nbd0: Receive control failed (result -104) [ 597.353735][ T120] block nbd0: Possible stuck request ffff888020251400: control (read@0,4096B). Runtime 30 seconds [ 627.343669][ T3003] udevd[3003]: worker [3582] /devices/virtual/block/nbd0 is taking a long time [ 627.433262][ T120] block nbd0: Possible stuck request ffff888020251400: control (read@0,4096B). Runtime 60 seconds [ 657.513291][ T120] block nbd0: Possible stuck request ffff888020251400: control (read@0,4096B). Runtime 90 seconds [ 687.593248][ T120] block nbd0: Possible stuck request ffff888020251400: control (read@0,4096B). Runtime 120 seconds [ 716.393194][ T28] INFO: task syz-executor151:3612 blocked for more than 143 seconds. [ 716.401380][ T28] Not tainted 6.1.77-syzkaller #0 [ 716.407007][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 716.415737][ T28] task:syz-executor151 state:D stack:28168 pid:3612 ppid:3577 flags:0x00004006 [ 716.425005][ T28] Call Trace: [ 716.428287][ T28] [ 716.431205][ T28] __schedule+0x142d/0x4550 [ 716.435864][ T28] ? __mutex_lock+0x6b4/0xd80 [ 716.440545][ T28] ? release_firmware_map_entry+0x18a/0x18a [ 716.446477][ T28] ? __mutex_trylock_common+0x8d/0x2e0 [ 716.451976][ T28] ? do_raw_spin_unlock+0x137/0x8a0 [ 716.457221][ T28] schedule+0xbf/0x180 [ 716.461316][ T28] schedule_preempt_disabled+0xf/0x20 [ 716.466753][ T28] __mutex_lock+0x6b9/0xd80 [ 716.471273][ T28] ? __mutex_lock+0x53c/0xd80 [ 716.476049][ T28] ? blkdev_put+0x100/0x750 [ 716.480640][ T28] ? mutex_lock_nested+0x10/0x10 [ 716.485629][ T28] ? __fsnotify_parent+0x50b/0x730 [ 716.490840][ T28] ? __fsnotify_update_child_dentry_flags+0x2a0/0x2a0 [ 716.497655][ T28] blkdev_put+0x100/0x750 [ 716.501991][ T28] ? task_work_run+0x1fc/0x300 [ 716.506858][ T28] blkdev_close+0x56/0x80 [ 716.511192][ T28] ? blkdev_open+0x2e0/0x2e0 [ 716.515816][ T28] __fput+0x3b7/0x890 [ 716.519870][ T28] task_work_run+0x246/0x300 [ 716.524503][ T28] ? task_work_cancel+0x2b0/0x2b0 [ 716.529535][ T28] ? stack_trace_snprint+0xe0/0xe0 [ 716.534773][ T28] get_signal+0x15fc/0x17d0 [ 716.539346][ T28] ? kasan_save_stack+0x4d/0x60 [ 716.544309][ T28] ? kasan_save_stack+0x3b/0x60 [ 716.549174][ T28] ? __kasan_record_aux_stack+0xb0/0xc0 [ 716.554760][ T28] ? task_work_add+0x87/0x3a0 [ 716.559439][ T28] ? fput+0xe2/0x1b0 [ 716.563370][ T28] ? do_syscall_64+0x3d/0xb0 [ 716.567998][ T28] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 716.574150][ T28] ? ptrace_notify+0x370/0x370 [ 716.578935][ T28] arch_do_signal_or_restart+0xb0/0x1a10 [ 716.584691][ T28] ? get_sigframe_size+0x10/0x10 [ 716.589648][ T28] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 716.595696][ T28] ? blkdev_ioctl+0x3a9/0x760 [ 716.600481][ T28] ? exit_to_user_mode_loop+0x39/0x100 [ 716.605978][ T28] exit_to_user_mode_loop+0x6a/0x100 [ 716.611270][ T28] exit_to_user_mode_prepare+0xb1/0x140 [ 716.616913][ T28] syscall_exit_to_user_mode+0x60/0x270 [ 716.622467][ T28] do_syscall_64+0x49/0xb0 [ 716.626924][ T28] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 716.632825][ T28] RIP: 0033:0x7f3cbb8a24b9 [ 716.637272][ T28] RSP: 002b:00007f3cbb83f228 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 716.645726][ T28] RAX: 0000000000000000 RBX: 00007f3cbb929338 RCX: 00007f3cbb8a24b9 [ 716.653727][ T28] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 716.661718][ T28] RBP: 00007f3cbb929330 R08: 00007ffce9412937 R09: 00007f3cbb83f6c0 [ 716.669780][ T28] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3cbb92933c [ 716.677808][ T28] R13: 00007f3cbb8f61a4 R14: 64626e2f7665642f R15: 00007ffce9412938 [ 716.685857][ T28] [ 716.688987][ T28] [ 716.688987][ T28] Showing all locks held in the system: [ 716.696758][ T28] 1 lock held by rcu_tasks_kthre/12: [ 716.702039][ T28] #0: ffffffff8d12a910 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xe30 [ 716.712622][ T28] 1 lock held by rcu_tasks_trace/13: [ 716.717944][ T28] #0: ffffffff8d12b110 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xe30 [ 716.728971][ T28] 1 lock held by khungtaskd/28: [ 716.733841][ T28] #0: ffffffff8d12a740 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x51/0x290 [ 716.743759][ T28] 2 locks held by getty/3306: [ 716.748444][ T28] #0: ffff888029287098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 [ 716.758297][ T28] #1: ffffc900031262f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6a7/0x1db0 [ 716.768439][ T28] 1 lock held by udevd/3582: [ 716.773047][ T28] #0: ffff88802011b4c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x148/0xa10 [ 716.783102][ T28] 1 lock held by syz-executor151/3612: [ 716.788544][ T28] #0: ffff88802011b4c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0x100/0x750 [ 716.797981][ T28] [ 716.800304][ T28] ============================================= [ 716.800304][ T28] [ 716.808773][ T28] NMI backtrace for cpu 1 [ 716.813101][ T28] CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.1.77-syzkaller #0 [ 716.820923][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 716.830983][ T28] Call Trace: [ 716.834258][ T28] [ 716.837182][ T28] dump_stack_lvl+0x1e3/0x2cb [ 716.841860][ T28] ? nf_tcp_handle_invalid+0x642/0x642 [ 716.847310][ T28] ? panic+0x75d/0x75d [ 716.851365][ T28] ? vprintk_emit+0x622/0x740 [ 716.856045][ T28] ? printk_sprint+0x490/0x490 [ 716.860807][ T28] ? nmi_cpu_backtrace+0x252/0x560 [ 716.865946][ T28] nmi_cpu_backtrace+0x4e1/0x560 [ 716.870883][ T28] ? nmi_trigger_cpumask_backtrace+0x3f0/0x3f0 [ 716.877028][ T28] ? _printk+0xd1/0x111 [ 716.881173][ T28] ? panic+0x75d/0x75d [ 716.885229][ T28] ? __wake_up_klogd+0xcc/0x100 [ 716.890068][ T28] ? panic+0x75d/0x75d [ 716.894149][ T28] ? nmi_trigger_cpumask_backtrace+0xe2/0x3f0 [ 716.900232][ T28] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 716.906368][ T28] nmi_trigger_cpumask_backtrace+0x1b0/0x3f0 [ 716.912345][ T28] watchdog+0xf88/0xfd0 [ 716.916533][ T28] ? watchdog+0x1f8/0xfd0 [ 716.920856][ T28] kthread+0x28d/0x320 [ 716.924941][ T28] ? hungtask_pm_notify+0x50/0x50 [ 716.929953][ T28] ? kthread_blkcg+0xd0/0xd0 [ 716.934540][ T28] ret_from_fork+0x1f/0x30 [ 716.938967][ T28] [ 716.942081][ T28] Sending NMI from CPU 1 to CPUs 0: [ 716.947348][ C0] NMI backtrace for cpu 0 [ 716.947358][ C0] CPU: 0 PID: 11 Comm: kworker/u4:1 Not tainted 6.1.77-syzkaller #0 [ 716.947372][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 716.947381][ C0] Workqueue: 0x0 (events_unbound) [ 716.947402][ C0] RIP: 0010:update_rt_rq_load_avg+0x3e6/0x9c0 [ 716.947488][ C0] Code: 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 0f b6 04 08 84 c0 0f 85 c3 02 00 00 01 2b 4c 89 f3 48 8b 6c 24 20 48 8b 34 24 eb 1a <48> 8b 5c 24 28 48 8b 6c 24 20 42 0f b6 44 35 00 84 c0 0f 85 63 04 [ 716.947500][ C0] RSP: 0018:ffffc90000107818 EFLAGS: 00000046 [ 716.947512][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: dffffc0000000000 [ 716.947522][ C0] RDX: 00000000000000d2 RSI: 00000000000010d2 RDI: 0000000000000004 [ 716.947531][ C0] RBP: 1ffff1101730752b R08: dffffc0000000000 R09: fffffbfff1ce6876 [ 716.947542][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880b983a958 [ 716.947551][ C0] R13: ffff8880b9839e00 R14: dffffc0000000000 R15: 0000000000000000 [ 716.947561][ C0] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 716.947574][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 716.947584][ C0] CR2: 00007ffc786ae228 CR3: 000000000ce8e000 CR4: 00000000003506f0 [ 716.947596][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 716.947604][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 716.947613][ C0] Call Trace: [ 716.947617][ C0] [ 716.947622][ C0] ? nmi_cpu_backtrace+0x3de/0x560 [ 716.947644][ C0] ? read_lock_is_recursive+0x10/0x10 [ 716.947666][ C0] ? nmi_trigger_cpumask_backtrace+0x3f0/0x3f0 [ 716.947687][ C0] ? nmi_handle+0x25/0x440 [ 716.947716][ C0] ? nmi_cpu_backtrace_handler+0x8/0x10 [ 716.947736][ C0] ? nmi_handle+0x12e/0x440 [ 716.947757][ C0] ? nmi_handle+0x25/0x440 [ 716.947777][ C0] ? update_rt_rq_load_avg+0x3e6/0x9c0 [ 716.947791][ C0] ? default_do_nmi+0x62/0x150 [ 716.947813][ C0] ? exc_nmi+0xab/0x120 [ 716.947832][ C0] ? end_repeat_nmi+0x16/0x31 [ 716.947880][ C0] ? update_rt_rq_load_avg+0x3e6/0x9c0 [ 716.947895][ C0] ? update_rt_rq_load_avg+0x3e6/0x9c0 [ 716.947911][ C0] ? update_rt_rq_load_avg+0x3e6/0x9c0 [ 716.947926][ C0] [ 716.947930][ C0] [ 716.947939][ C0] update_blocked_averages+0x32f/0x16a0 [ 716.947976][ C0] ? newidle_balance+0x2dd/0x10b0 [ 716.948000][ C0] ? kvm_sched_clock_read+0x14/0x40 [ 716.948027][ C0] ? sched_clock_cpu+0x71/0x2b0 [ 716.948046][ C0] ? rebalance_domains+0xb00/0xb00 [ 716.948065][ C0] ? __sched_clock_gtod_offset+0xe0/0xe0 [ 716.948084][ C0] ? do_raw_spin_unlock+0x137/0x8a0 [ 716.948101][ C0] ? newidle_balance+0x2dd/0x10b0 [ 716.948118][ C0] newidle_balance+0x4ae/0x10b0 [ 716.948140][ C0] ? newidle_balance+0x2dd/0x10b0 [ 716.948157][ C0] ? kvm_sched_clock_read+0x14/0x40 [ 716.948180][ C0] ? update_misfit_status+0x7d0/0x7d0 [ 716.948200][ C0] ? enqueue_task_fair+0xb90/0xb90 [ 716.948219][ C0] pick_next_task_fair+0x27d/0xdc0 [ 716.948241][ C0] __schedule+0x7a9/0x4550 [ 716.948262][ C0] ? pwq_dec_nr_in_flight+0x1e8/0x460 [ 716.948286][ C0] ? worker_thread+0xe98/0x1200 [ 716.948302][ C0] ? release_firmware_map_entry+0x18a/0x18a [ 716.948322][ C0] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 716.948343][ C0] ? print_irqtrace_events+0x210/0x210 [ 716.948362][ C0] ? kthread_data+0x4e/0xc0 [ 716.948382][ C0] ? wq_worker_sleeping+0x5f/0x270 [ 716.948404][ C0] schedule+0xbf/0x180 [ 716.948423][ C0] worker_thread+0xe9d/0x1200 [ 716.948451][ C0] kthread+0x28d/0x320 [ 716.948470][ C0] ? worker_clr_flags+0x190/0x190 [ 716.948489][ C0] ? kthread_blkcg+0xd0/0xd0 [ 716.948510][ C0] ret_from_fork+0x1f/0x30 [ 716.948535][ C0] [ 716.948541][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.193 msecs [ 716.949344][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 717.328783][ T28] CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.1.77-syzkaller #0 [ 717.336577][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 717.346620][ T28] Call Trace: [ 717.349892][ T28] [ 717.352814][ T28] dump_stack_lvl+0x1e3/0x2cb [ 717.357490][ T28] ? nf_tcp_handle_invalid+0x642/0x642 [ 717.362943][ T28] ? panic+0x75d/0x75d [ 717.367008][ T28] ? vscnprintf+0x59/0x80 [ 717.371330][ T28] panic+0x318/0x75d [ 717.375216][ T28] ? nmi_trigger_cpumask_backtrace+0x2c1/0x3f0 [ 717.381364][ T28] ? memcpy_page_flushcache+0xfc/0xfc [ 717.386729][ T28] ? nmi_trigger_cpumask_backtrace+0x2ca/0x3f0 [ 717.392875][ T28] watchdog+0xfc7/0xfd0 [ 717.397028][ T28] ? watchdog+0x1f8/0xfd0 [ 717.401353][ T28] kthread+0x28d/0x320 [ 717.405415][ T28] ? hungtask_pm_notify+0x50/0x50 [ 717.410431][ T28] ? kthread_blkcg+0xd0/0xd0 [ 717.415016][ T28] ret_from_fork+0x1f/0x30 [ 717.419434][ T28] [ 717.422630][ T28] Kernel Offset: disabled [ 717.426943][ T28] Rebooting in 86400 seconds..