Warning: Permanently added '10.128.0.230' (ED25519) to the list of known hosts. executing program [ 544.694995][ T3586] nbd0: detected capacity change from 0 to 2 [ 544.816301][ T48] block nbd0: Receive control failed (result -104) [ 544.817324][ T3583] block nbd0: shutting down sockets [ 544.830467][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 544.839774][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 544.847780][ T3585] ldm_validate_partition_table(): Disk read failed. [ 544.854993][ T3585] Dev nbd0: unable to read RDB block 0 [ 544.860483][ T3585] nbd0: unable to read partition table executing program [ 544.866352][ T3585] nbd0: partition table beyond EOD, truncated [ 544.964967][ T3589] nbd0: detected capacity change from 0 to 2 [ 545.087659][ T48] block nbd0: Receive control failed (result -104) [ 545.088293][ T3588] block nbd0: shutting down sockets [ 545.100030][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 545.109297][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 545.117210][ T3585] ldm_validate_partition_table(): Disk read failed. [ 545.123983][ T3585] Dev nbd0: unable to read RDB block 0 [ 545.129605][ T3585] nbd0: unable to read partition table executing program [ 545.135565][ T3585] nbd0: partition table beyond EOD, truncated [ 545.252998][ T3591] nbd0: detected capacity change from 0 to 2 [ 545.375252][ T48] block nbd0: Receive control failed (result -104) [ 545.383414][ T3592] block nbd0: shutting down sockets [ 545.389896][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 545.399263][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 545.407276][ T3585] ldm_validate_partition_table(): Disk read failed. [ 545.414218][ T3585] Dev nbd0: unable to read RDB block 0 [ 545.419816][ T3585] nbd0: unable to read partition table executing program [ 545.425729][ T3585] nbd0: partition table beyond EOD, truncated [ 545.535686][ T3595] nbd0: detected capacity change from 0 to 2 [ 545.658925][ T48] block nbd0: Receive control failed (result -104) [ 545.659417][ T3594] block nbd0: shutting down sockets [ 545.671247][ C1] I/O error, dev nbd0, sector 0 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 2 [ 545.680409][ C1] Buffer I/O error on dev nbd0, logical block 0, async page read [ 545.688476][ T3585] ldm_validate_partition_table(): Disk read failed. [ 545.695327][ T3585] Dev nbd0: unable to read RDB block 0 [ 545.700868][ T3585] nbd0: unable to read partition table executing program [ 545.706957][ T3585] nbd0: partition table beyond EOD, truncated [ 545.815024][ T3598] nbd0: detected capacity change from 0 to 2 [ 545.936999][ T48] block nbd0: Receive control failed (result -104) [ 575.903717][ T52] block nbd0: Possible stuck request ffff88801fb28800: control (read@0,1024B). Runtime 30 seconds [ 605.892956][ T3004] udevd[3004]: worker [3585] /devices/virtual/block/nbd0 is taking a long time [ 605.983056][ T52] block nbd0: Possible stuck request ffff88801fb28800: control (read@0,1024B). Runtime 60 seconds [ 636.063031][ T52] block nbd0: Possible stuck request ffff88801fb28800: control (read@0,1024B). Runtime 90 seconds [ 666.142855][ T52] block nbd0: Possible stuck request ffff88801fb28800: control (read@0,1024B). Runtime 120 seconds [ 696.262662][ T52] block nbd0: Possible stuck request ffff88801fb28800: control (read@0,1024B). Runtime 150 seconds [ 716.702900][ T28] INFO: task syz-executor191:3597 blocked for more than 143 seconds. [ 716.711390][ T28] Not tainted 6.1.56-syzkaller #0 [ 716.717232][ T28] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 716.726041][ T28] task:syz-executor191 state:D stack:26480 pid:3597 ppid:3581 flags:0x00004006 [ 716.735998][ T28] Call Trace: [ 716.739321][ T28] [ 716.742257][ T28] __schedule+0x142d/0x4550 [ 716.747213][ T28] ? __mutex_lock+0x6b4/0xd80 [ 716.751943][ T28] ? release_firmware_map_entry+0x185/0x185 [ 716.758170][ T28] ? __mutex_trylock_common+0x8d/0x2e0 [ 716.763986][ T28] ? do_raw_spin_unlock+0x137/0x8a0 [ 716.769239][ T28] schedule+0xbf/0x180 [ 716.773566][ T28] schedule_preempt_disabled+0xf/0x20 [ 716.778982][ T28] __mutex_lock+0x6b9/0xd80 [ 716.783873][ T28] ? __mutex_lock+0x53c/0xd80 [ 716.788601][ T28] ? blkdev_put+0x100/0x750 [ 716.793676][ T28] ? mutex_lock_nested+0x10/0x10 [ 716.798694][ T28] ? __fsnotify_parent+0x50b/0x730 [ 716.804203][ T28] ? __fsnotify_update_child_dentry_flags+0x2a0/0x2a0 [ 716.811091][ T28] blkdev_put+0x100/0x750 [ 716.815760][ T28] ? task_work_run+0x1fc/0x300 [ 716.820787][ T28] blkdev_close+0x56/0x80 [ 716.825490][ T28] ? blkdev_open+0x2e0/0x2e0 [ 716.830167][ T28] __fput+0x3b7/0x890 [ 716.834752][ T28] task_work_run+0x246/0x300 [ 716.839420][ T28] ? task_work_cancel+0x2b0/0x2b0 [ 716.845049][ T28] ? stack_trace_snprint+0xe0/0xe0 [ 716.850406][ T28] get_signal+0x15fc/0x17d0 [ 716.855368][ T28] ? kasan_save_stack+0x4d/0x60 [ 716.860317][ T28] ? kasan_save_stack+0x3b/0x60 [ 716.865564][ T28] ? __kasan_record_aux_stack+0xb0/0xc0 [ 716.871313][ T28] ? task_work_add+0x87/0x3a0 [ 716.876470][ T28] ? fput+0xe2/0x1b0 [ 716.880417][ T28] ? do_syscall_64+0x3d/0xb0 [ 716.885447][ T28] ? entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 716.891655][ T28] ? ptrace_notify+0x370/0x370 [ 716.896903][ T28] arch_do_signal_or_restart+0xb0/0x1a10 [ 716.902977][ T28] ? get_sigframe_size+0x10/0x10 [ 716.907976][ T28] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 716.914328][ T28] ? blkdev_ioctl+0x3a9/0x760 [ 716.919213][ T28] ? exit_to_user_mode_loop+0x39/0x100 [ 716.925317][ T28] exit_to_user_mode_loop+0x6a/0x100 [ 716.930698][ T28] exit_to_user_mode_prepare+0xb1/0x140 [ 716.936613][ T28] syscall_exit_to_user_mode+0x60/0x270 [ 716.942258][ T28] do_syscall_64+0x49/0xb0 [ 716.947179][ T28] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 716.953338][ T28] RIP: 0033:0x7f8d3fedf4b9 [ 716.957813][ T28] RSP: 002b:00007f8d3fe9d228 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 716.966450][ T28] RAX: 0000000000000000 RBX: 00007f8d3ff66328 RCX: 00007f8d3fedf4b9 [ 716.974579][ T28] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003 [ 716.982645][ T28] RBP: 00007f8d3ff66320 R08: 00007f8d3fe9d6c0 R09: 00007f8d3fe9d6c0 [ 716.990864][ T28] R10: 00007f8d3fe9d6c0 R11: 0000000000000246 R12: 00007f8d3ff6632c [ 716.999011][ T28] R13: 00007f8d3ff331a4 R14: 64626e2f7665642f R15: 00007fff81ef6a68 [ 717.007357][ T28] [ 717.010609][ T28] [ 717.010609][ T28] Showing all locks held in the system: [ 717.018516][ T28] 1 lock held by rcu_tasks_kthre/12: [ 717.023888][ T28] #0: ffffffff8d12a170 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xe30 [ 717.034540][ T28] 1 lock held by rcu_tasks_trace/13: [ 717.039849][ T28] #0: ffffffff8d12a970 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x29/0xe30 [ 717.050985][ T28] 1 lock held by khungtaskd/28: [ 717.055910][ T28] #0: ffffffff8d129fa0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x51/0x290 [ 717.065979][ T28] 2 locks held by getty/3310: [ 717.070683][ T28] #0: ffff88814b978098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 [ 717.080727][ T28] #1: ffffc900031262f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6a7/0x1db0 [ 717.091054][ T28] 1 lock held by udevd/3585: [ 717.095732][ T28] #0: ffff88801fa074c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev+0x148/0xa10 [ 717.105865][ T28] 1 lock held by syz-executor191/3597: [ 717.111341][ T28] #0: ffff88801fa074c8 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0x100/0x750 [ 717.121009][ T28] [ 717.123509][ T28] ============================================= [ 717.123509][ T28] [ 717.131989][ T28] NMI backtrace for cpu 1 [ 717.136381][ T28] CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.1.56-syzkaller #0 [ 717.144223][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 [ 717.154783][ T28] Call Trace: [ 717.158087][ T28] [ 717.161031][ T28] dump_stack_lvl+0x1e3/0x2cb [ 717.165735][ T28] ? nf_tcp_handle_invalid+0x642/0x642 [ 717.171258][ T28] ? panic+0x75d/0x75d [ 717.175369][ T28] ? vprintk_emit+0x622/0x740 [ 717.180111][ T28] ? printk_sprint+0x490/0x490 [ 717.184887][ T28] ? nmi_cpu_backtrace+0x252/0x560 [ 717.190028][ T28] nmi_cpu_backtrace+0x4e1/0x560 [ 717.194981][ T28] ? nmi_trigger_cpumask_backtrace+0x3f0/0x3f0 [ 717.201147][ T28] ? _printk+0xd1/0x111 [ 717.205310][ T28] ? panic+0x75d/0x75d [ 717.209394][ T28] ? __wake_up_klogd+0xcc/0x100 [ 717.214255][ T28] ? panic+0x75d/0x75d [ 717.218325][ T28] ? nmi_trigger_cpumask_backtrace+0xe2/0x3f0 [ 717.224768][ T28] ? arch_trigger_cpumask_backtrace+0x10/0x10 [ 717.231205][ T28] nmi_trigger_cpumask_backtrace+0x1b0/0x3f0 [ 717.237253][ T28] watchdog+0xf88/0xfd0 [ 717.241479][ T28] ? watchdog+0x1f8/0xfd0 [ 717.245921][ T28] kthread+0x28d/0x320 [ 717.250010][ T28] ? hungtask_pm_notify+0x50/0x50 [ 717.255044][ T28] ? kthread_blkcg+0xd0/0xd0 [ 717.259650][ T28] ret_from_fork+0x1f/0x30 [ 717.264113][ T28] [ 717.267281][ T28] Sending NMI from CPU 1 to CPUs 0: [ 717.272562][ C0] NMI backtrace for cpu 0 [ 717.272576][ C0] CPU: 0 PID: 46 Comm: kworker/u4:3 Not tainted 6.1.56-syzkaller #0 [ 717.272593][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 [ 717.272604][ C0] Workqueue: events_unbound toggle_allocation_gate [ 717.272632][ C0] RIP: 0010:__lock_acquire+0x49d/0x1f80 [ 717.272661][ C0] Code: 12 00 00 44 89 33 44 89 fb 48 89 d8 48 c1 e8 06 48 8d 3c c5 20 82 49 90 be 08 00 00 00 e8 3b 57 77 00 48 0f a3 1d 13 3f df 0e <73> 25 48 8d 04 5b 48 c1 e0 06 48 8d 98 20 e1 18 90 48 ba 00 00 00 [ 717.272675][ C0] RSP: 0018:ffffc90000007940 EFLAGS: 00000057 [ 717.272688][ C0] RAX: 0000000000000001 RBX: 00000000000000b5 RCX: ffffffff816a4305 [ 717.272700][ C0] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff90498230 [ 717.272711][ C0] RBP: ffff888012750ac4 R08: dffffc0000000000 R09: fffffbfff2093047 [ 717.272724][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888012750ad8 [ 717.272735][ C0] R13: ffff888012750000 R14: 0000000000000000 R15: 00000000000000b5 [ 717.272746][ C0] FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 717.272761][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 717.272772][ C0] CR2: 000055605d910b98 CR3: 000000000ce8e000 CR4: 00000000003506f0 [ 717.272787][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 717.272797][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 717.272807][ C0] Call Trace: [ 717.272813][ C0] [ 717.272818][ C0] ? nmi_cpu_backtrace+0x3de/0x560 [ 717.272845][ C0] ? read_lock_is_recursive+0x10/0x10 [ 717.272870][ C0] ? nmi_trigger_cpumask_backtrace+0x3f0/0x3f0 [ 717.272903][ C0] ? nmi_cpu_backtrace_handler+0x8/0x10 [ 717.272936][ C0] ? nmi_handle+0x12e/0x440 [ 717.273020][ C0] ? nmi_handle+0x25/0x440 [ 717.273045][ C0] ? __lock_acquire+0x49d/0x1f80 [ 717.273068][ C0] ? default_do_nmi+0x62/0x150 [ 717.273094][ C0] ? exc_nmi+0xab/0x120 [ 717.273117][ C0] ? end_repeat_nmi+0x16/0x31 [ 717.273145][ C0] ? __lock_acquire+0x495/0x1f80 [ 717.273169][ C0] ? __lock_acquire+0x49d/0x1f80 [ 717.273192][ C0] ? __lock_acquire+0x49d/0x1f80 [ 717.273216][ C0] ? __lock_acquire+0x49d/0x1f80 [ 717.273240][ C0] [ 717.273244][ C0] [ 717.273256][ C0] lock_acquire+0x1f8/0x5a0 [ 717.273279][ C0] ? call_timer_fn+0xc2/0x6b0 [ 717.273322][ C0] ? read_lock_is_recursive+0x10/0x10 [ 717.273347][ C0] ? detach_timer+0x26/0x380 [ 717.273363][ C0] ? __rwlock_init+0x140/0x140 [ 717.273383][ C0] ? call_timer_fn+0xaa/0x6b0 [ 717.273402][ C0] call_timer_fn+0xdf/0x6b0 [ 717.273419][ C0] ? call_timer_fn+0xc2/0x6b0 [ 717.273437][ C0] ? update_process_times+0x1b0/0x1b0 [ 717.273453][ C0] ? call_timer_fn+0xc2/0x6b0 [ 717.273471][ C0] ? __run_timers+0x890/0x890 [ 717.273491][ C0] ? do_raw_spin_unlock+0x137/0x8a0 [ 717.273508][ C0] ? _raw_spin_unlock_irq+0x1f/0x40 [ 717.273526][ C0] ? update_process_times+0x1b0/0x1b0 [ 717.273543][ C0] ? lockdep_hardirqs_on+0x94/0x130 [ 717.273560][ C0] ? update_process_times+0x1b0/0x1b0 [ 717.273577][ C0] __run_timers+0x67c/0x890 [ 717.273600][ C0] ? detach_timer+0x380/0x380 [ 717.273620][ C0] ? print_irqtrace_events+0x210/0x210 [ 717.273643][ C0] ? seqcount_lockdep_reader_access+0x1bd/0x220 [ 717.273668][ C0] run_timer_softirq+0x63/0xf0 [ 717.273687][ C0] __do_softirq+0x2e9/0xa4c [ 717.273711][ C0] ? kvm_sched_clock_read+0x14/0x40 [ 717.273762][ C0] ? __irq_exit_rcu+0x155/0x240 [ 717.273790][ C0] ? __entry_text_end+0x1feacb/0x1feacb [ 717.273814][ C0] ? hrtimer_interrupt+0x76b/0x980 [ 717.273835][ C0] ? irqtime_account_irq+0xd0/0x1e0 [ 717.273861][ C0] __irq_exit_rcu+0x155/0x240 [ 717.273886][ C0] ? irq_exit_rcu+0x20/0x20 [ 717.273914][ C0] irq_exit_rcu+0x5/0x20 [ 717.273942][ C0] sysvec_apic_timer_interrupt+0x91/0xb0 [ 717.273959][ C0] [ 717.273964][ C0] [ 717.273969][ C0] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 717.273992][ C0] RIP: 0010:insn_get_prefixes+0x94f/0x18a0 [ 717.274019][ C0] Code: 00 00 e8 94 d8 03 f7 48 8b 6c 24 10 49 be 00 00 00 00 00 fc ff df 43 0f b6 04 34 84 c0 4c 8b 3c 24 0f 85 7d 0c 00 00 88 5d 00 <4c> 8b 64 24 18 49 8d 5f 53 48 89 d8 48 c1 e8 03 48 89 44 24 10 42 [ 717.274032][ C0] RSP: 0018:ffffc90000b77640 EFLAGS: 00000293 [ 717.274045][ C0] RAX: ffffffff8a8693a8 RBX: 00000000000000e9 RCX: ffff888012750000 [ 717.274056][ C0] RDX: 0000000000000000 RSI: 00000000fffffff4 RDI: 00000000fffffff5 [ 717.274067][ C0] RBP: 00000000fffffff4 R08: ffffffff8a86939e R09: ffffc90000b77980 [ 717.274079][ C0] R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000 [ 717.274089][ C0] R13: ffffffff81e0b21a R14: dffffc0000000000 R15: ffffc90000b77980 [ 717.274103][ C0] ? kmem_cache_alloc+0x5a/0x2d0 [ 717.274123][ C0] ? insn_get_prefixes+0x46e/0x18a0 [ 717.274147][ C0] ? insn_get_prefixes+0x478/0x18a0 [ 717.274175][ C0] ? kmem_cache_alloc+0x5b/0x2d0 [ 717.274197][ C0] insn_get_opcode+0x1ae/0xa50 [ 717.274229][ C0] insn_get_modrm+0x22a/0x790 [ 717.274258][ C0] insn_get_displacement+0x13a/0x970 [ 717.274286][ C0] insn_get_immediate+0x458/0x1390 [ 717.274312][ C0] ? trace_raw_output_contention_end+0xd0/0xd0 [ 717.274336][ C0] insn_decode+0x36c/0x500 [ 717.274361][ C0] ? kmem_cache_alloc+0x5a/0x2d0 [ 717.274380][ C0] __jump_label_patch+0xe4/0x440 [ 717.274396][ C0] ? kmem_cache_alloc+0x5a/0x2d0 [ 717.274415][ C0] ? arch_jump_label_transform_queue+0xd0/0xd0 [ 717.274436][ C0] ? kmem_cache_alloc+0x5a/0x2d0 [ 717.274454][ C0] ? kmem_cache_alloc+0x69/0x2d0 [ 717.274471][ C0] ? kmem_cache_alloc+0x5a/0x2d0 [ 717.274489][ C0] ? static_key_disable_cpuslocked+0x97/0x1b0 [ 717.274531][ C0] ? mutex_lock_nested+0x10/0x10 [ 717.274559][ C0] arch_jump_label_transform_queue+0x4a/0xd0 [ 717.274578][ C0] __jump_label_update+0x177/0x3a0 [ 717.274602][ C0] static_key_disable_cpuslocked+0xca/0x1b0 [ 717.274624][ C0] static_key_disable+0x16/0x20 [ 717.274643][ C0] toggle_allocation_gate+0x3e0/0x480 [ 717.274664][ C0] ? show_object+0xa0/0xa0 [ 717.274683][ C0] ? lockdep_hardirqs_on_prepare+0x438/0x7a0 [ 717.274708][ C0] ? print_irqtrace_events+0x210/0x210 [ 717.274731][ C0] ? _raw_spin_unlock_irqrestore+0xd9/0x130 [ 717.274752][ C0] ? do_raw_spin_unlock+0x137/0x8a0 [ 717.274772][ C0] ? process_one_work+0x7a9/0x11d0 [ 717.274792][ C0] process_one_work+0x8a9/0x11d0 [ 717.274818][ C0] ? worker_detach_from_pool+0x260/0x260 [ 717.274839][ C0] ? _raw_spin_lock_irqsave+0x120/0x120 [ 717.274858][ C0] ? kthread_data+0x4e/0xc0 [ 717.274884][ C0] ? wq_worker_running+0x97/0x190 [ 717.274912][ C0] worker_thread+0xa47/0x1200 [ 717.274941][ C0] ? _raw_spin_unlock+0x40/0x40 [ 717.274965][ C0] kthread+0x28d/0x320 [ 717.274990][ C0] ? worker_clr_flags+0x190/0x190 [ 717.275008][ C0] ? kthread_blkcg+0xd0/0xd0 [ 717.275033][ C0] ret_from_fork+0x1f/0x30 [ 717.275063][ C0] [ 717.275070][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 2.507 msecs [ 717.275564][ T28] Kernel panic - not syncing: hung_task: blocked tasks [ 717.965965][ T28] CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.1.56-syzkaller #0 [ 717.973783][ T28] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 [ 717.983857][ T28] Call Trace: [ 717.987149][ T28] [ 717.990088][ T28] dump_stack_lvl+0x1e3/0x2cb [ 717.994902][ T28] ? nf_tcp_handle_invalid+0x642/0x642 [ 718.000379][ T28] ? panic+0x75d/0x75d [ 718.004465][ T28] ? vscnprintf+0x59/0x80 [ 718.008808][ T28] panic+0x318/0x75d [ 718.012714][ T28] ? nmi_trigger_cpumask_backtrace+0x2c1/0x3f0 [ 718.018896][ T28] ? memcpy_page_flushcache+0xfc/0xfc [ 718.024370][ T28] ? nmi_trigger_cpumask_backtrace+0x2c1/0x3f0 [ 718.030627][ T28] ? nmi_trigger_cpumask_backtrace+0x33a/0x3f0 [ 718.036921][ T28] ? nmi_trigger_cpumask_backtrace+0x33f/0x3f0 [ 718.043126][ T28] watchdog+0xfc7/0xfd0 [ 718.047303][ T28] ? watchdog+0x1f8/0xfd0 [ 718.051668][ T28] kthread+0x28d/0x320 [ 718.055791][ T28] ? hungtask_pm_notify+0x50/0x50 [ 718.060855][ T28] ? kthread_blkcg+0xd0/0xd0 [ 718.065482][ T28] ret_from_fork+0x1f/0x30 [ 718.070023][ T28] [ 718.073160][ T28] Kernel Offset: disabled [ 718.077500][ T28] Rebooting in 86400 seconds..