./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor875077559 <...> Warning: Permanently added '10.128.0.162' (ED25519) to the list of known hosts. execve("./syz-executor875077559", ["./syz-executor875077559"], 0x7fff186bd8d0 /* 10 vars */) = 0 brk(NULL) = 0x5555786c2000 brk(0x5555786c2d00) = 0x5555786c2d00 arch_prctl(ARCH_SET_FS, 0x5555786c2380) = 0 set_tid_address(0x5555786c2650) = 5854 set_robust_list(0x5555786c2660, 24) = 0 rseq(0x5555786c2ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor875077559", 4096) = 27 getrandom("\xf5\xf6\xb5\x64\xc5\xab\xf9\xad", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555786c2d00 brk(0x5555786e3d00) = 0x5555786e3d00 brk(0x5555786e4000) = 0x5555786e4000 mprotect(0x7f9c36181000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5856 attached , child_tidptr=0x5555786c2650) = 5856 [pid 5856] set_robust_list(0x5555786c2660, 24) = 0 [pid 5856] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5856] setpgid(0, 0) = 0 [pid 5856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5856] write(3, "1000", 4) = 4 [pid 5856] close(3) = 0 [pid 5856] write(1, "executing program\n", 18executing program ) = 18 [pid 5856] memfd_create("syzkaller", 0) = 3 [pid 5856] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9c2dc00000 [pid 5856] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 16777216) = 16777216 [pid 5856] munmap(0x7f9c2dc00000, 138412032) = 0 [pid 5856] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5856] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5856] close(3) = 0 [pid 5856] close(4) = 0 [pid 5856] mkdir("./bus", 0777) = 0 [pid 5856] mount("/dev/loop0", "./bus", "jfs", 0, "") = 0 [pid 5856] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [ 295.643793][ T5856] loop0: detected capacity change from 0 to 32768 [pid 5856] chdir("./bus") = 0 [pid 5856] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5856] open_tree(AT_FDCWD, "", OPEN_TREE_CLOEXEC|AT_EMPTY_PATH) = 4 [pid 5856] renameat2(4, "./file1", 4, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0 [pid 5854] kill(-5856, SIGKILL) = 0 [pid 5854] kill(5856, SIGKILL) = 0 [pid 5854] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5854] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5854] getdents64(3, 0x5555786c36f0 /* 2 entries */, 32768) = 48 [pid 5854] getdents64(3, 0x5555786c36f0 /* 0 entries */, 32768) = 0 [pid 5854] close(3) = 0 [ 573.496229][ T30] INFO: task kworker/u8:9:1340 blocked for more than 143 seconds. [ 573.504228][ T30] Not tainted 6.13.0-rc6-next-20250107-syzkaller #0 [ 573.526107][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 573.534833][ T30] task:kworker/u8:9 state:D stack:19544 pid:1340 tgid:1340 ppid:2 flags:0x00004000 [ 573.556351][ T30] Workqueue: writeback wb_workfn (flush-7:0) [ 573.562435][ T30] Call Trace: [ 573.565728][ T30] [ 573.586077][ T30] __schedule+0x18f6/0x4cd0 [ 573.590672][ T30] ? __pfx___schedule+0x10/0x10 [ 573.595542][ T30] ? __blk_flush_plug+0x449/0x500 [ 573.616097][ T30] ? __pfx_lock_release+0x10/0x10 [ 573.621181][ T30] ? kthread_data+0x52/0xd0 [ 573.625706][ T30] ? schedule+0x90/0x320 [ 573.646089][ T30] ? wq_worker_sleeping+0x66/0x240 [ 573.651266][ T30] ? schedule+0x90/0x320 [ 573.655539][ T30] schedule+0x14b/0x320 [ 573.676104][ T30] schedule_preempt_disabled+0x13/0x30 [ 573.681617][ T30] __mutex_lock+0x817/0x1010 [ 573.696096][ T30] ? __mutex_lock+0x602/0x1010 [ 573.700910][ T30] ? jfs_commit_inode+0x24a/0x590 [ 573.705955][ T30] ? __pfx___mutex_lock+0x10/0x10 [ 573.726117][ T30] jfs_commit_inode+0x24a/0x590 [ 573.731031][ T30] ? __pfx_jfs_commit_inode+0x10/0x10 [ 573.746099][ T30] ? do_raw_spin_unlock+0x13c/0x8b0 [ 573.751352][ T30] jfs_write_inode+0x143/0x220 [ 573.766269][ T30] __writeback_single_inode+0x708/0x10d0 [ 573.771972][ T30] writeback_sb_inodes+0x820/0x1360 [ 573.786103][ T30] ? mark_lock+0x2ae/0x360 [ 573.790617][ T30] ? __pfx_writeback_sb_inodes+0x10/0x10 [ 573.806166][ T30] ? __pfx___up_read+0x10/0x10 [ 573.810993][ T30] ? do_raw_spin_lock+0x14f/0x370 [ 573.816156][ T30] __writeback_inodes_wb+0x11b/0x260 [ 573.821477][ T30] wb_writeback+0x427/0xb80 [ 573.826005][ T30] ? queue_io+0x381/0x5a0 [ 573.830403][ T30] ? __pfx_wb_writeback+0x10/0x10 [ 573.835463][ T30] wb_workfn+0xb94/0x1080 [ 573.839940][ T30] ? __pfx_wb_workfn+0x10/0x10 [ 573.844746][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 573.850819][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 573.857271][ T30] ? process_scheduled_works+0x976/0x1840 [ 573.863015][ T30] process_scheduled_works+0xa66/0x1840 [ 573.868671][ T30] ? __pfx_process_scheduled_works+0x10/0x10 [ 573.874674][ T30] ? assign_work+0x364/0x3d0 [ 573.879401][ T30] worker_thread+0x870/0xd30 [ 573.884020][ T30] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 573.889986][ T30] ? __kthread_parkme+0x169/0x1d0 [ 573.895027][ T30] ? __pfx_worker_thread+0x10/0x10 [ 573.900276][ T30] kthread+0x7a9/0x920 [ 573.904364][ T30] ? __pfx_kthread+0x10/0x10 [ 573.909024][ T30] ? __pfx_worker_thread+0x10/0x10 [ 573.914151][ T30] ? __pfx_kthread+0x10/0x10 [ 573.918864][ T30] ? __pfx_kthread+0x10/0x10 [ 573.923475][ T30] ? __pfx_kthread+0x10/0x10 [ 573.928665][ T30] ? _raw_spin_unlock_irq+0x23/0x50 [ 573.933895][ T30] ? lockdep_hardirqs_on+0x99/0x150 [ 573.939558][ T30] ? __pfx_kthread+0x10/0x10 [ 573.944179][ T30] ret_from_fork+0x4b/0x80 [ 573.949128][ T30] ? __pfx_kthread+0x10/0x10 [ 573.953781][ T30] ret_from_fork_asm+0x1a/0x30 [ 573.959187][ T30] [ 573.962365][ T30] [ 573.962365][ T30] Showing all locks held in the system: [ 573.970600][ T30] 1 lock held by khungtaskd/30: [ 573.975466][ T30] #0: ffffffff8e937ee0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x55/0x2a0 [ 573.985855][ T30] 3 locks held by kworker/1:2/974: [ 573.991383][ T30] 4 locks held by kworker/u8:9/1340: [ 573.996981][ T30] #0: ffff88801fe99148 ((wq_completion)writeback){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1840 [ 574.008566][ T30] #1: ffffc9000474fc60 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1840 [ 574.021368][ T30] #2: ffff8880357720e0 (&type->s_umount_key#42){.+.+}-{4:4}, at: super_trylock_shared+0x22/0xf0 [ 574.032257][ T30] #3: ffff888075cb9438 (&jfs_ip->commit_mutex){+.+.}-{4:4}, at: jfs_commit_inode+0x24a/0x590 [ 574.042947][ T30] 2 locks held by getty/5592: [ 574.048439][ T30] #0: ffff88803192c0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 574.076089][ T30] #1: ffffc90002fde2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x6a6/0x1e00 [ 574.096085][ T30] 5 locks held by syz-executor875/5856: [ 574.101665][ T30] [ 574.104001][ T30] ============================================= [ 574.104001][ T30] [ 574.126596][ T30] NMI backtrace for cpu 0 [ 574.126621][ T30] CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc6-next-20250107-syzkaller #0 [ 574.126638][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 574.126648][ T30] Call Trace: [ 574.126654][ T30] [ 574.126660][ T30] dump_stack_lvl+0x241/0x360 [ 574.126684][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 574.126700][ T30] ? __pfx__printk+0x10/0x10 [ 574.126733][ T30] nmi_cpu_backtrace+0x49c/0x4d0 [ 574.126759][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 574.126779][ T30] ? _printk+0xd5/0x120 [ 574.126800][ T30] ? __pfx__printk+0x10/0x10 [ 574.126821][ T30] ? __wake_up_klogd+0xcc/0x110 [ 574.126840][ T30] ? __pfx__printk+0x10/0x10 [ 574.126863][ T30] ? __rcu_read_unlock+0xa1/0x110 [ 574.126883][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 574.126902][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320 [ 574.126927][ T30] watchdog+0xff6/0x1040 [ 574.126948][ T30] ? watchdog+0x1ea/0x1040 [ 574.126971][ T30] ? __pfx_watchdog+0x10/0x10 [ 574.126989][ T30] kthread+0x7a9/0x920 [ 574.127015][ T30] ? __pfx_kthread+0x10/0x10 [ 574.127036][ T30] ? __pfx_watchdog+0x10/0x10 [ 574.127055][ T30] ? __pfx_kthread+0x10/0x10 [ 574.127073][ T30] ? __pfx_kthread+0x10/0x10 [ 574.127095][ T30] ? __pfx_kthread+0x10/0x10 [ 574.127113][ T30] ? _raw_spin_unlock_irq+0x23/0x50 [ 574.127134][ T30] ? lockdep_hardirqs_on+0x99/0x150 [ 574.127150][ T30] ? __pfx_kthread+0x10/0x10 [ 574.127171][ T30] ret_from_fork+0x4b/0x80 [ 574.127190][ T30] ? __pfx_kthread+0x10/0x10 [ 574.127209][ T30] ret_from_fork_asm+0x1a/0x30 [ 574.127239][ T30] [ 574.127246][ T30] Sending NMI from CPU 0 to CPUs 1: [ 574.295673][ C1] NMI backtrace for cpu 1 [ 574.295688][ C1] CPU: 1 UID: 0 PID: 5856 Comm: syz-executor875 Not tainted 6.13.0-rc6-next-20250107-syzkaller #0 [ 574.295705][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 574.295714][ C1] RIP: 0010:dtSplitRoot+0x8d9/0x1930 [ 574.295745][ C1] Code: fe 84 db 78 44 e8 57 c3 6d fe 48 c1 e3 05 4c 01 e3 49 89 dc 49 c1 ec 03 43 0f b6 04 2c 84 c0 75 15 44 0f b6 3b 45 84 ff 78 34 32 c3 6d fe 4c 8b 64 24 10 eb ba 89 d9 80 e1 07 38 c1 7c e2 48 [ 574.295756][ C1] RSP: 0018:ffffc9000410f140 EFLAGS: 00000246 [ 574.295770][ C1] RAX: 0000000000000000 RBX: ffff888033763000 RCX: ffff88807cb0bc00 [ 574.295780][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ff [ 574.295789][ C1] RBP: ffffc9000410f330 R08: ffffffff83517600 R09: 0000000000000000 [ 574.295799][ C1] R10: 00300065006c0069 R11: 006605ff00000020 R12: 1ffff110066ec600 [ 574.295810][ C1] R13: dffffc0000000000 R14: ffff888075cb96a0 R15: 0000000000000000 [ 574.295820][ C1] FS: 00005555786c2380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 574.295832][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 574.295842][ C1] CR2: 00005555786cb6f8 CR3: 0000000074400000 CR4: 00000000003526f0 [ 574.295854][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 574.295863][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 574.295872][ C1] Call Trace: [ 574.295880][ C1] [ 574.295886][ C1] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 574.295908][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 574.295928][ C1] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 574.295948][ C1] ? nmi_handle+0x2a/0x5a0 [ 574.295975][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 574.295993][ C1] ? nmi_handle+0x14f/0x5a0 [ 574.296013][ C1] ? nmi_handle+0x2a/0x5a0 [ 574.296036][ C1] ? dtSplitRoot+0x8d9/0x1930 [ 574.296054][ C1] ? default_do_nmi+0x63/0x160 [ 574.296073][ C1] ? exc_nmi+0x123/0x1f0 [ 574.296092][ C1] ? end_repeat_nmi+0xf/0x53 [ 574.296114][ C1] ? dtSplitRoot+0x8b0/0x1930 [ 574.296134][ C1] ? dtSplitRoot+0x8d9/0x1930 [ 574.296153][ C1] ? dtSplitRoot+0x8d9/0x1930 [ 574.296172][ C1] ? dtSplitRoot+0x8d9/0x1930 [ 574.296191][ C1] [ 574.296196][ C1] [ 574.296213][ C1] ? __pfx_dtSplitRoot+0x10/0x10 [ 574.296232][ C1] ? __pfx_dbAlloc+0x10/0x10 [ 574.296248][ C1] ? __kasan_kmalloc+0x98/0xb0 [ 574.296268][ C1] ? __kmalloc_cache_noprof+0x243/0x390 [ 574.296283][ C1] ? dtInsert+0x857/0x6c10 [ 574.296302][ C1] dtInsert+0x12cd/0x6c10 [ 574.296323][ C1] ? kasan_save_track+0x51/0x80 [ 574.296340][ C1] ? kasan_save_free_info+0x40/0x50 [ 574.296358][ C1] ? __x64_sys_renameat2+0xce/0xe0 [ 574.296387][ C1] ? mark_lock+0x9a/0x360 [ 574.296406][ C1] ? __pfx_dtInsert+0x10/0x10 [ 574.296424][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 574.296444][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 574.296465][ C1] ? kasan_quarantine_put+0xdc/0x230 [ 574.296483][ C1] ? lockdep_hardirqs_on+0x99/0x150 [ 574.296499][ C1] ? dtSearch+0x1d59/0x2520 [ 574.296517][ C1] ? kfree+0x196/0x430 [ 574.296528][ C1] ? dtSearch+0x1d59/0x2520 [ 574.296562][ C1] jfs_rename+0xafe/0x1bf0 [ 574.296587][ C1] ? __pfx_jfs_rename+0x10/0x10 [ 574.296615][ C1] ? __pfx___might_resched+0x10/0x10 [ 574.296639][ C1] ? __pfx_down_write_nested+0x10/0x10 [ 574.296654][ C1] ? do_raw_spin_unlock+0x13c/0x8b0 [ 574.296688][ C1] ? __asan_memcpy+0x40/0x70 [ 574.296705][ C1] ? __pfx_jfs_rename+0x10/0x10 [ 574.296726][ C1] vfs_rename+0xbdb/0xf00 [ 574.296757][ C1] ? __pfx_vfs_rename+0x10/0x10 [ 574.296780][ C1] ? bpf_lsm_path_rename+0x9/0x10 [ 574.296802][ C1] do_renameat2+0xd94/0x13f0 [ 574.296834][ C1] ? __pfx_do_renameat2+0x10/0x10 [ 574.296856][ C1] ? __virt_addr_valid+0x183/0x530 [ 574.296877][ C1] ? __virt_addr_valid+0x183/0x530 [ 574.296897][ C1] ? __check_object_size+0x47a/0x730 [ 574.296923][ C1] ? getname_flags+0x1e3/0x540 [ 574.296939][ C1] __x64_sys_renameat2+0xce/0xe0 [ 574.296961][ C1] do_syscall_64+0xf3/0x230 [ 574.296977][ C1] ? clear_bhb_loop+0x35/0x90 [ 574.296998][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 574.297016][ C1] RIP: 0033:0x7f9c36107a99 [ 574.297040][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 [ 574.297052][ C1] RSP: 002b:00007ffef7d4b708 EFLAGS: 00000246 ORIG_RAX: 000000000000013c [ 574.297066][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9c36107a99 [ 574.297076][ C1] RDX: 0000000000000004 RSI: 0000000020000140 RDI: 0000000000000004 [ 574.297085][ C1] RBP: 00007f9c361815f0 R08: 0000000000000000 R09: 00005555786c34c0 [ 574.297094][ C1] R10: 0000000020000980 R11: 0000000000000246 R12: 00007ffef7d4b730 [ 574.297103][ C1] R13: 00007ffef7d4b958 R14: 431bde82d7b634db R15: 00007f9c3615003b [ 574.297120][ C1] [ 574.297127][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.454 msecs [ 574.297782][ T30] Kernel panic - not syncing: hung_task: blocked tasks [ 574.297795][ T30] CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.13.0-rc6-next-20250107-syzkaller #0 [ 574.297812][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 574.297822][ T30] Call Trace: [ 574.297828][ T30] [ 574.297836][ T30] dump_stack_lvl+0x241/0x360 [ 574.297858][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 574.297875][ T30] ? __pfx__printk+0x10/0x10 [ 574.297896][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 574.297921][ T30] ? vscnprintf+0x5d/0x90 [ 574.297945][ T30] panic+0x349/0x880 [ 574.297969][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 574.297998][ T30] ? __pfx_panic+0x10/0x10 [ 574.298018][ T30] ? tick_nohz_tick_stopped+0x82/0xb0 [ 574.298035][ T30] ? __irq_work_queue_local+0x137/0x410 [ 574.298056][ T30] ? preempt_schedule_thunk+0x1a/0x30 [ 574.298078][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 574.298099][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320 [ 574.298122][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320 [ 574.298147][ T30] watchdog+0x1035/0x1040 [ 574.298168][ T30] ? watchdog+0x1ea/0x1040 [ 574.298191][ T30] ? __pfx_watchdog+0x10/0x10 [ 574.298209][ T30] kthread+0x7a9/0x920 [ 574.298229][ T30] ? __pfx_kthread+0x10/0x10 [ 574.298250][ T30] ? __pfx_watchdog+0x10/0x10 [ 574.298269][ T30] ? __pfx_kthread+0x10/0x10 [ 574.298288][ T30] ? __pfx_kthread+0x10/0x10 [ 574.298310][ T30] ? __pfx_kthread+0x10/0x10 [ 574.298328][ T30] ? _raw_spin_unlock_irq+0x23/0x50 [ 574.298350][ T30] ? lockdep_hardirqs_on+0x99/0x150 [ 574.298366][ T30] ? __pfx_kthread+0x10/0x10 [ 574.298388][ T30] ret_from_fork+0x4b/0x80 [ 574.298406][ T30] ? __pfx_kthread+0x10/0x10 [ 574.298426][ T30] ret_from_fork_asm+0x1a/0x30 [ 574.298455][ T30] [ 574.964441][ T30] Kernel Offset: disabled [ 574.968766][ T30] Rebooting in 86400 seconds..