program: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff) mount(&(0x7f0000000100)=@filename='none\x00', &(0x7f0000000200)='./debug\x00', &(0x7f0000000300)='debugfs\x00', 0x0, &(0x7f0000000400)='\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./debug/failslab/task-filter\x00', 0x1, 0x0) write(r0, &(0x7f0000000100)='N\x00', 0x1) r1 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./debug/failslab/probability\x00', 0x1, 0x0) write(r1, &(0x7f0000000100)='100\x00', 0x3) r2 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./debug/failslab/times\x00', 0x1, 0x0) write(r2, &(0x7f0000000100)='10\x00', 0x2) r3 = socket$unix(0x1, 0x1, 0x0) ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000100)={'lo\x00', 0x0}) r5 = socket$netlink(0x10, 0x3, 0x0) syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000500)='./file1\x00', 0x3804402, &(0x7f0000000240)={[{@user_xattr}, {@abort}, {@resuid}, {@user_xattr}, {@discard}, {@max_dir_size_kb={'max_dir_size_kb', 0x3d, 0x7b1}}, {@nolazytime}, {@noinit_itable}, {@nomblk_io_submit}, {@nodelalloc}, {@inode_readahead_blks={'inode_readahead_blks', 0x3d, 0x40000}}]}, 0x1, 0x55f, &(0x7f0000000c80)="$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") r6 = open(&(0x7f0000000180)='./bus\x00', 0x14937e, 0x111) ioctl$EXT4_IOC_GETFSUUID(r6, 0x8008662c, &(0x7f0000000080)) sendmsg$nl_route_sched(r5, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000580)={&(0x7f0000000640)=@newqdisc={0xd8, 0x24, 0x605, 0x1, 0x0, {0x0, 0x0, 0x0, r4, {0x0, 0x6}, {0xffff, 0xffff}, {0x1}}, [@qdisc_kind_options=@q_sfb={{0x8}, {0x2c, 0x2, @TCA_SFB_PARMS={0x28, 0x1, {0x3e8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6}}}}, @TCA_STAB={0x80, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0x1, 0x6, 0x5, 0xfffffffd, 0x1, 0x9, 0x1a54739c, 0x6}}, {0x10, 0x2, [0x6, 0x5, 0x5, 0x54, 0x8000, 0x0]}}, {{0x1c, 0x1, {0xd8, 0x4, 0x2, 0x7f, 0x1, 0x0, 0x7, 0x1}}, {0x6, 0x2, [0x9496]}}, {{0x1c, 0x1, {0x0, 0x9, 0x5, 0x4, 0x2, 0x7ff, 0x16a, 0x5}}, {0xe, 0x2, [0x2f, 0xf801, 0x9, 0x1, 0xe]}}]}]}, 0xd8}}, 0x0) [ 87.163833][ T4640] Bluetooth: hci0: command tx timeout [ 87.244230][ T5313] FAULT_INJECTION: forcing a failure. [ 87.244230][ T5313] name failslab, interval 1, probability 100, space 0, times 1 [ 87.251439][ T10] FAULT_INJECTION: forcing a failure. [ 87.251439][ T10] name failslab, interval 1, probability 100, space 0, times 1 [ 87.261314][ T160] FAULT_INJECTION: forcing a failure. [ 87.261314][ T160] name failslab, interval 1, probability 100, space 0, times 1 [ 87.271279][ T76] FAULT_INJECTION: forcing a failure. [ 87.271279][ T76] name failslab, interval 1, probability 100, space 0, times 1 [ 87.278384][ T5292] FAULT_INJECTION: forcing a failure. [ 87.278384][ T5292] name failslab, interval 1, probability 100, space 0, times 1 [ 87.286064][ T51] FAULT_INJECTION: forcing a failure. [ 87.286064][ T51] name failslab, interval 1, probability 100, space 0, times 1 [ 87.293229][ T51] CPU: 0 UID: 0 PID: 51 Comm: kworker/u4:4 Not tainted syzkaller #0 PREEMPT(full) [ 87.293246][ T51] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 87.293252][ T51] Workqueue: events_unbound nsim_dev_trap_report_work [ 87.293335][ T51] Call Trace: [ 87.293348][ T51] [ 87.293355][ T51] dump_stack_lvl+0xe8/0x150 [ 87.293375][ T51] should_fail_ex+0x40c/0x560 [ 87.293395][ T51] should_failslab+0xa8/0x100 [ 87.293414][ T51] kmem_cache_alloc_node_noprof+0xb3/0x610 [ 87.293424][ T51] ? local_lock_release+0x9c/0x160 [ 87.293481][ T51] ? __alloc_skb+0x1d7/0x7a0 [ 87.293493][ T51] ? __alloc_skb+0x1d7/0x7a0 [ 87.293510][ T51] __alloc_skb+0x1d7/0x7a0 [ 87.293529][ T51] nsim_dev_trap_report_work+0x25f/0xb40 [ 87.293555][ T51] ? process_scheduled_works+0xa20/0x14e0 [ 87.293567][ T51] process_scheduled_works+0xa8e/0x14e0 [ 87.293601][ T51] ? __pfx_process_scheduled_works+0x10/0x10 [ 87.293616][ T51] ? assign_work+0x3cf/0x5d0 [ 87.293629][ T51] worker_thread+0xa47/0xfb0 [ 87.293648][ T51] ? __kthread_parkme+0x71/0x1f0 [ 87.293666][ T51] kthread+0x388/0x470 [ 87.293681][ T51] ? __pfx_worker_thread+0x10/0x10 [ 87.293692][ T51] ? __pfx_kthread+0x10/0x10 [ 87.293712][ T51] ret_from_fork+0x514/0xb70 [ 87.293730][ T51] ? __pfx_ret_from_fork+0x10/0x10 [ 87.293743][ T51] ? __switch_to+0xc89/0x1420 [ 87.293756][ T51] ? __pfx_kthread+0x10/0x10 [ 87.293770][ T51] ret_from_fork_asm+0x1a/0x30 [ 87.293793][ T51] [ 87.294274][ T5313] CPU: 0 UID: 0 PID: 5313 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 87.294288][ T5313] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 87.294295][ T5313] Call Trace: [ 87.294299][ T5313] [ 87.294303][ T5313] dump_stack_lvl+0xe8/0x150 [ 87.294322][ T5313] should_fail_ex+0x40c/0x560 [ 87.294341][ T5313] should_failslab+0xa8/0x100 [ 87.294358][ T5313] kmem_cache_alloc_noprof+0xa6/0x5f0 [ 87.294376][ T5313] ? do_futex+0x3e7/0x4e0 [ 87.294393][ T5313] ? do_getname+0x2e/0x250 [ 87.294403][ T5313] ? do_getname+0x2e/0x250 [ 87.294416][ T5313] do_getname+0x2e/0x250 [ 87.294425][ T5313] ? getname_flags+0x11/0x20 [ 87.294437][ T5313] do_sys_openat2+0xcc/0x200 [ 87.294449][ T5313] ? __se_sys_futex+0x3a8/0x450 [ 87.294464][ T5313] ? __pfx_do_sys_openat2+0x10/0x10 [ 87.294477][ T5313] ? rcu_is_watching+0x15/0xb0 [ 87.294495][ T5313] __x64_sys_openat+0x138/0x170 [ 87.294507][ T5313] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 87.294520][ T5313] do_syscall_64+0x174/0x580 [ 87.294533][ T5313] ? trace_irq_disable+0x3b/0x140 [ 87.294548][ T5313] ? clear_bhb_loop+0x70/0xc0 [ 87.294563][ T5313] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 87.294574][ T5313] RIP: 0033:0x7fc62999e0d9 [ 87.294586][ T5313] Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 [ 87.294595][ T5313] RSP: 002b:00007fc62a7f5fe8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 87.294606][ T5313] RAX: ffffffffffffffda RBX: 00007fc629c25fa0 RCX: 00007fc62999e0d9 [ 87.294613][ T5313] RDX: 0000000000000001 RSI: 0000200000000000 RDI: ffffffffffffff9c [ 87.294620][ T5313] RBP: 00007fc629a35024 R08: 0000000000000000 R09: 0000000000000000 [ 87.294626][ T5313] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 87.294632][ T5313] R13: 00007fc629c26038 R14: 00007fc629c25fa0 R15: 00007fff7dc41f48 [ 87.294648][ T5313] [ 87.295105][ T160] CPU: 0 UID: 0 PID: 160 Comm: kworker/u4:6 Not tainted syzkaller #0 PREEMPT(full) [ 87.295117][ T160] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 87.295124][ T160] Workqueue: ipv6_addrconf addrconf_dad_work [ 87.295139][ T160] Call Trace: [ 87.295143][ T160] [ 87.295147][ T160] dump_stack_lvl+0xe8/0x150 [ 87.295162][ T160] should_fail_ex+0x40c/0x560 [ 87.295180][ T160] should_failslab+0xa8/0x100 [ 87.295194][ T160] kmem_cache_alloc_node_noprof+0xb3/0x610 [ 87.295205][ T160] ? local_lock_release+0x9c/0x160 [ 87.295222][ T160] ? __alloc_skb+0x1d7/0x7a0 [ 87.295235][ T160] ? __alloc_skb+0x1d7/0x7a0 [ 87.295257][ T160] __alloc_skb+0x1d7/0x7a0 [ 87.295272][ T160] mld_newpack+0x165/0xcb0 [ 87.295292][ T160] ? __pfx_mld_newpack+0x10/0x10 [ 87.295306][ T160] ? trace_contention_end+0x3d/0x140 [ 87.295317][ T160] ? __mutex_lock+0x30d/0x1550 [ 87.295335][ T160] add_grec+0x119f/0x19d0 [ 87.295350][ T160] ? __pfx___mutex_lock+0x10/0x10 [ 87.295373][ T160] mld_send_initial_cr+0x288/0x550 [ 87.295392][ T160] ipv6_mc_dad_complete+0x87/0x410 [ 87.295410][ T160] addrconf_dad_completed+0x8af/0xe60 [ 87.295428][ T160] ? __pfx_addrconf_dad_completed+0x10/0x10 [ 87.295440][ T160] ? addrconf_dad_work+0xe57/0x15c0 [ 87.295478][ T160] addrconf_dad_work+0xcf8/0x15c0 [ 87.295497][ T160] ? __pfx_addrconf_dad_work+0x10/0x10 [ 87.295510][ T160] ? process_scheduled_works+0xa20/0x14e0 [ 87.295525][ T160] ? rcu_is_watching+0x15/0xb0 [ 87.295542][ T160] ? process_scheduled_works+0xa20/0x14e0 [ 87.295554][ T160] process_scheduled_works+0xa8e/0x14e0 [ 87.295585][ T160] ? __pfx_process_scheduled_works+0x10/0x10 [ 87.295600][ T160] ? assign_work+0x3cf/0x5d0 [ 87.295614][ T160] worker_thread+0xa47/0xfb0 [ 87.295633][ T160] ? __kthread_parkme+0x71/0x1f0 [ 87.295651][ T160] kthread+0x388/0x470 [ 87.295665][ T160] ? __pfx_worker_thread+0x10/0x10 [ 87.295674][ T160] ? __pfx_kthread+0x10/0x10 [ 87.295687][ T160] ret_from_fork+0x514/0xb70 [ 87.295703][ T160] ? __pfx_ret_from_fork+0x10/0x10 [ 87.295718][ T160] ? __switch_to+0xc89/0x1420 [ 87.295734][ T160] ? __pfx_kthread+0x10/0x10 [ 87.295750][ T160] ret_from_fork_asm+0x1a/0x30 [ 87.295774][ T160] [ 87.586897][ T10] CPU: 0 UID: 0 PID: 10 Comm: kworker/0:1 Not tainted syzkaller #0 PREEMPT(full) [ 87.586917][ T10] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 87.586923][ T10] Workqueue: events drm_fb_helper_damage_work [ 87.586959][ T10] Call Trace: [ 87.586964][ T10] [ 87.586969][ T10] dump_stack_lvl+0xe8/0x150 [ 87.586986][ T10] should_fail_ex+0x40c/0x560 [ 87.587007][ T10] should_failslab+0xa8/0x100 [ 87.587022][ T10] __kmalloc_cache_noprof+0xa8/0x660 [ 87.587044][ T10] ? drm_atomic_commit_alloc+0xa9/0x100 [ 87.587060][ T10] ? drm_atomic_commit_alloc+0xa9/0x100 [ 87.587079][ T10] drm_atomic_commit_alloc+0xa9/0x100 [ 87.587095][ T10] drm_atomic_helper_dirtyfb+0x129/0xfd0 [ 87.587110][ T10] ? __lock_acquire+0x683/0x2cf0 [ 87.587126][ T10] ? __pfx_drm_atomic_helper_dirtyfb+0x10/0x10 [ 87.587146][ T10] ? do_raw_spin_lock+0x12b/0x2f0 [ 87.587162][ T10] drm_fbdev_shmem_helper_fb_dirty+0x160/0x310 [ 87.587177][ T10] drm_fb_helper_damage_work+0x84c/0xf20 [ 87.587198][ T10] ? __pfx_drm_fb_helper_damage_work+0x10/0x10 [ 87.587225][ T10] ? process_scheduled_works+0xa20/0x14e0 [ 87.587242][ T10] ? rcu_is_watching+0x15/0xb0 [ 87.587260][ T10] ? process_scheduled_works+0xa20/0x14e0 [ 87.587271][ T10] process_scheduled_works+0xa8e/0x14e0 [ 87.587300][ T10] ? __pfx_process_scheduled_works+0x10/0x10 [ 87.587314][ T10] ? assign_work+0x3cf/0x5d0 [ 87.587328][ T10] worker_thread+0xa47/0xfb0 [ 87.587357][ T10] kthread+0x388/0x470 [ 87.587370][ T10] ? __pfx_worker_thread+0x10/0x10 [ 87.587379][ T10] ? __pfx_kthread+0x10/0x10 [ 87.587392][ T10] ret_from_fork+0x514/0xb70 [ 87.587407][ T10] ? __pfx_ret_from_fork+0x10/0x10 [ 87.587420][ T10] ? __switch_to+0xc89/0x1420 [ 87.587433][ T10] ? __pfx_kthread+0x10/0x10 [ 87.587447][ T10] ret_from_fork_asm+0x1a/0x30 [ 87.587472][ T10] [ 87.587521][ T10] ------------[ cut here ]------------ [ 87.700912][ T10] virtio-pci 0000:00:01.0: [drm] Dirty helper failed: ret=-12 [ 87.704397][ T10] WARNING: drivers/gpu/drm/drm_fbdev_shmem.c:118 at drm_fbdev_shmem_helper_fb_dirty+0x1e1/0x310, CPU#0: kworker/0:1/10 [ 87.710917][ T10] Modules linked in: [ 87.714086][ T10] CPU: 0 UID: 0 PID: 10 Comm: kworker/0:1 Not tainted syzkaller #0 PREEMPT(full) [ 87.718142][ T10] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 87.722662][ T10] Workqueue: events drm_fb_helper_damage_work [ 87.725663][ T10] RIP: 0010:drm_fbdev_shmem_helper_fb_dirty+0x288/0x310 [ 87.729702][ T10] Code: 35 fc 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 da 5b a4 fc 4d 8b 27 48 89 df 4c 89 f6 4c 89 e2 8b 5c 24 04 89 d9 <67> 48 0f b9 3a 89 d8 e9 f7 fe ff ff 89 d9 80 e1 07 fe c1 38 c1 0f [ 87.740774][ T10] RSP: 0018:ffffc9000023f8b8 EFLAGS: 00010246 [ 87.744220][ T10] RAX: 1ffff11003f0b01a RBX: 00000000fffffff4 RCX: 00000000fffffff4 [ 87.747912][ T10] RDX: ffff88801f8456c0 RSI: ffffffff8c57c700 RDI: ffffffff90638ce0 [ 87.751895][ T10] RBP: ffff88801d336008 R08: 0000000000000dc0 R09: 00000000ffffffff [ 87.755332][ T10] R10: dffffc0000000000 R11: fffffbfff1d94963 R12: ffff88801f8456c0 [ 87.758539][ T10] R13: dffffc0000000000 R14: ffffffff8c57c700 R15: ffff88801f8580d0 [ 87.761743][ T10] FS: 0000000000000000(0000) GS:ffff88808c549000(0000) knlGS:0000000000000000 [ 87.766508][ T10] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 87.769284][ T10] CR2: 00007fc62a7d4ff8 CR3: 000000001fddf000 CR4: 0000000000352ef0 [ 87.772585][ T10] Call Trace: [ 87.774058][ T10] [ 87.775316][ T10] drm_fb_helper_damage_work+0x84c/0xf20 [ 87.777876][ T10] ? __pfx_drm_fb_helper_damage_work+0x10/0x10 [ 87.781106][ T10] ? process_scheduled_works+0xa20/0x14e0 [ 87.784375][ T10] ? rcu_is_watching+0x15/0xb0 [ 87.786923][ T10] ? process_scheduled_works+0xa20/0x14e0 [ 87.789646][ T10] process_scheduled_works+0xa8e/0x14e0 [ 87.792390][ T10] ? __pfx_process_scheduled_works+0x10/0x10 [ 87.795487][ T10] ? assign_work+0x3cf/0x5d0 [ 87.797872][ T10] worker_thread+0xa47/0xfb0 [ 87.800369][ T10] kthread+0x388/0x470 [ 87.802702][ T10] ? __pfx_worker_thread+0x10/0x10 [ 87.805302][ T10] ? __pfx_kthread+0x10/0x10 [ 87.807531][ T10] ret_from_fork+0x514/0xb70 [ 87.810054][ T10] ? __pfx_ret_from_fork+0x10/0x10 [ 87.812691][ T10] ? __switch_to+0xc89/0x1420 [ 87.815011][ T10] ? __pfx_kthread+0x10/0x10 [ 87.817501][ T10] ret_from_fork_asm+0x1a/0x30 [ 87.819942][ T10] [ 87.821583][ T10] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 87.825435][ T10] CPU: 0 UID: 0 PID: 10 Comm: kworker/0:1 Not tainted syzkaller #0 PREEMPT(full) [ 87.829858][ T10] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 87.834369][ T10] Workqueue: events drm_fb_helper_damage_work [ 87.836871][ T10] Call Trace: [ 87.838302][ T10] [ 87.839545][ T10] vpanic+0x56c/0xa60 [ 87.841214][ T10] ? __pfx__printk+0x10/0x10 [ 87.843147][ T10] ? __pfx_vpanic+0x10/0x10 [ 87.845057][ T10] ? is_bpf_text_address+0x292/0x2b0 [ 87.848179][ T10] ? is_bpf_text_address+0x26/0x2b0 [ 87.850812][ T10] panic+0xc5/0xd0 [ 87.852808][ T10] ? __pfx_panic+0x10/0x10 [ 87.854909][ T10] ? ret_from_fork_asm+0x1a/0x30 [ 87.857596][ T10] __warn+0x315/0x4c0 [ 87.859654][ T10] ? drm_fbdev_shmem_helper_fb_dirty+0x1e1/0x310 [ 87.863060][ T10] ? drm_fbdev_shmem_helper_fb_dirty+0x1e1/0x310 [ 87.866440][ T10] __report_bug+0x276/0x570 [ 87.868850][ T10] ? drm_modeset_acquire_fini+0x27/0x180 [ 87.871820][ T10] ? drm_fbdev_shmem_helper_fb_dirty+0x1e1/0x310 [ 87.875184][ T10] ? __pfx___report_bug+0x10/0x10 [ 87.877935][ T10] ? drm_atomic_helper_dirtyfb+0xf27/0xfd0 [ 87.881293][ T10] ? __pfx_drm_atomic_helper_dirtyfb+0x10/0x10 [ 87.884831][ T10] report_bug_entry+0x19a/0x290 [ 87.887309][ T10] ? drm_fbdev_shmem_helper_fb_dirty+0x288/0x310 [ 87.890503][ T10] ? drm_fbdev_shmem_helper_fb_dirty+0x28d/0x310 [ 87.893875][ T10] handle_bug+0xce/0x200 [ 87.896384][ T10] exc_invalid_op+0x1a/0x50 [ 87.898933][ T10] asm_exc_invalid_op+0x1a/0x20 [ 87.901406][ T10] RIP: 0010:drm_fbdev_shmem_helper_fb_dirty+0x288/0x310 [ 87.905343][ T10] Code: 35 fc 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 da 5b a4 fc 4d 8b 27 48 89 df 4c 89 f6 4c 89 e2 8b 5c 24 04 89 d9 <67> 48 0f b9 3a 89 d8 e9 f7 fe ff ff 89 d9 80 e1 07 fe c1 38 c1 0f [ 87.915397][ T10] RSP: 0018:ffffc9000023f8b8 EFLAGS: 00010246 [ 87.918283][ T10] RAX: 1ffff11003f0b01a RBX: 00000000fffffff4 RCX: 00000000fffffff4 [ 87.922286][ T10] RDX: ffff88801f8456c0 RSI: ffffffff8c57c700 RDI: ffffffff90638ce0 [ 87.926069][ T10] RBP: ffff88801d336008 R08: 0000000000000dc0 R09: 00000000ffffffff [ 87.929690][ T10] R10: dffffc0000000000 R11: fffffbfff1d94963 R12: ffff88801f8456c0 [ 87.933949][ T10] R13: dffffc0000000000 R14: ffffffff8c57c700 R15: ffff88801f8580d0 [ 87.937935][ T10] ? drm_fbdev_shmem_helper_fb_dirty+0x260/0x310 [ 87.941168][ T10] drm_fb_helper_damage_work+0x84c/0xf20 [ 87.943741][ T10] ? __pfx_drm_fb_helper_damage_work+0x10/0x10 [ 87.946538][ T10] ? process_scheduled_works+0xa20/0x14e0 [ 87.949293][ T10] ? rcu_is_watching+0x15/0xb0 [ 87.951628][ T10] ? process_scheduled_works+0xa20/0x14e0 [ 87.954691][ T10] process_scheduled_works+0xa8e/0x14e0 [ 87.957422][ T10] ? __pfx_process_scheduled_works+0x10/0x10 [ 87.960681][ T10] ? assign_work+0x3cf/0x5d0 [ 87.963476][ T10] worker_thread+0xa47/0xfb0 [ 87.966731][ T10] kthread+0x388/0x470 [ 87.969660][ T10] ? __pfx_worker_thread+0x10/0x10 [ 87.973299][ T10] ? __pfx_kthread+0x10/0x10 [ 87.976668][ T10] ret_from_fork+0x514/0xb70 [ 87.979322][ T10] ? __pfx_ret_from_fork+0x10/0x10 [ 87.982893][ T10] ? __switch_to+0xc89/0x1420 [ 87.985830][ T10] ? __pfx_kthread+0x10/0x10 [ 87.988644][ T10] ret_from_fork_asm+0x1a/0x30 [ 87.991177][ T10] [ 87.993217][ T10] Kernel Offset: disabled [ 87.995363][ T10] Rebooting in 86400 seconds..