./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4277869519 <...> Warning: Permanently added '10.128.0.223' (ED25519) to the list of known hosts. execve("./syz-executor4277869519", ["./syz-executor4277869519"], 0x7fffedc2b3a0 /* 10 vars */) = 0 brk(NULL) = 0x555562dee000 brk(0x555562deed00) = 0x555562deed00 arch_prctl(ARCH_SET_FS, 0x555562dee380) = 0 set_tid_address(0x555562dee650) = 5844 set_robust_list(0x555562dee660, 24) = 0 rseq(0x555562deeca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor4277869519", 4096) = 28 getrandom("\x7b\xd2\x28\x11\xe0\xc6\xcc\x9c", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555562deed00 brk(0x555562e0fd00) = 0x555562e0fd00 brk(0x555562e10000) = 0x555562e10000 mprotect(0x7fa423868000, 16384, PROT_READ) = 0 mmap(0x3ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x3ffffffff000 mmap(0x400000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x400000000000 mmap(0x400001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x400001000000 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 5846 attached , child_tidptr=0x555562dee650) = 5846 [pid 5846] set_robust_list(0x555562dee660, 24) = 0 [pid 5846] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5846] setpgid(0, 0) = 0 [pid 5846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5846] write(3, "1000", 4) = 4 [pid 5846] close(3) = 0 [pid 5846] write(1, "executing program\n", 18executing program ) = 18 [pid 5846] memfd_create("syzkaller", 0) = 3 [pid 5846] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa41b200000 [pid 5846] 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 5846] munmap(0x7fa41b200000, 138412032) = 0 [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5846] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5846] close(3) = 0 [pid 5846] close(4) = 0 [pid 5846] mkdir("./bus", 0777) = 0 [pid 5846] mount("/dev/loop0", "./bus", "jfs", MS_NOSUID|MS_NOEXEC, "") = 0 [ 251.046686][ T5846] loop0: detected capacity change from 0 to 32768 [pid 5846] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5846] chdir("./bus") = 0 [pid 5846] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5846] rename("./file0", "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f" [pid 5844] kill(-5846, SIGKILL) = 0 [pid 5844] kill(5846, SIGKILL) = 0 [pid 5844] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5844] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(3, 0x555562def6f0 /* 2 entries */, 32768) = 48 [pid 5844] getdents64(3, 0x555562def6f0 /* 0 entries */, 32768) = 0 [pid 5844] close(3) = 0 [ 429.977015][ T30] INFO: task kworker/u8:4:62 blocked for more than 143 seconds. [ 429.984871][ T30] Not tainted 6.14.0-rc2-syzkaller-00162-g68763b29e0a6 #0 [ 429.994849][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 430.004029][ T30] task:kworker/u8:4 state:D stack:19800 pid:62 tgid:62 ppid:2 task_flags:0x4208060 flags:0x00004000 [ 430.016753][ T30] Workqueue: writeback wb_workfn (flush-7:0) [ 430.022918][ T30] Call Trace: [ 430.026226][ T30] [ 430.029863][ T30] __schedule+0x18bc/0x4c40 [ 430.034455][ T30] ? __pfx___schedule+0x10/0x10 [ 430.039831][ T30] ? __blk_flush_plug+0x449/0x500 [ 430.044918][ T30] ? __pfx_lock_release+0x10/0x10 [ 430.050466][ T30] ? kthread_data+0x52/0xd0 [ 430.055017][ T30] ? schedule+0x90/0x320 [ 430.059767][ T30] ? wq_worker_sleeping+0x66/0x240 [ 430.064928][ T30] ? schedule+0x90/0x320 [ 430.069491][ T30] schedule+0x14b/0x320 [ 430.073687][ T30] schedule_preempt_disabled+0x13/0x30 [ 430.079713][ T30] __mutex_lock+0x817/0x1010 [ 430.084355][ T30] ? __mutex_lock+0x602/0x1010 [ 430.089535][ T30] ? jfs_commit_inode+0x24a/0x590 [ 430.094606][ T30] ? __pfx___mutex_lock+0x10/0x10 [ 430.100372][ T30] jfs_commit_inode+0x24a/0x590 [ 430.105273][ T30] ? __pfx_jfs_commit_inode+0x10/0x10 [ 430.112872][ T30] ? do_raw_spin_unlock+0x13c/0x8b0 [ 430.118422][ T30] jfs_write_inode+0x143/0x220 [ 430.123238][ T30] __writeback_single_inode+0x708/0x10d0 [ 430.129371][ T30] writeback_sb_inodes+0x820/0x1360 [ 430.134615][ T30] ? mark_lock+0x2ae/0x360 [ 430.139483][ T30] ? __pfx_writeback_sb_inodes+0x10/0x10 [ 430.145207][ T30] ? __pfx___up_read+0x10/0x10 [ 430.150761][ T30] ? do_raw_spin_lock+0x14f/0x370 [ 430.155835][ T30] __writeback_inodes_wb+0x11b/0x260 [ 430.161509][ T30] wb_writeback+0x427/0xb80 [ 430.166064][ T30] ? queue_io+0x3a1/0x5a0 [ 430.170829][ T30] ? __pfx_wb_writeback+0x10/0x10 [ 430.175915][ T30] wb_workfn+0xb94/0x1080 [ 430.180679][ T30] ? __pfx_wb_workfn+0x10/0x10 [ 430.185502][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 430.191963][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 430.198753][ T30] ? process_scheduled_works+0x9c6/0x18e0 [ 430.204520][ T30] process_scheduled_works+0xabe/0x18e0 [ 430.210507][ T30] ? __pfx_process_scheduled_works+0x10/0x10 [ 430.216540][ T30] ? assign_work+0x364/0x3d0 [ 430.221817][ T30] worker_thread+0x870/0xd30 [ 430.226468][ T30] ? _raw_spin_unlock_irqrestore+0xdd/0x140 [ 430.233171][ T30] ? __kthread_parkme+0x169/0x1d0 [ 430.238499][ T30] ? __pfx_worker_thread+0x10/0x10 [ 430.243655][ T30] kthread+0x7a9/0x920 [ 430.248187][ T30] ? __pfx_kthread+0x10/0x10 [ 430.252832][ T30] ? __pfx_worker_thread+0x10/0x10 [ 430.258363][ T30] ? __pfx_kthread+0x10/0x10 [ 430.263003][ T30] ? __pfx_kthread+0x10/0x10 [ 430.268112][ T30] ? __pfx_kthread+0x10/0x10 [ 430.272759][ T30] ? _raw_spin_unlock_irq+0x23/0x50 [ 430.278408][ T30] ? lockdep_hardirqs_on+0x99/0x150 [ 430.283648][ T30] ? __pfx_kthread+0x10/0x10 [ 430.288786][ T30] ret_from_fork+0x4b/0x80 [ 430.293246][ T30] ? __pfx_kthread+0x10/0x10 [ 430.298252][ T30] ret_from_fork_asm+0x1a/0x30 [ 430.303073][ T30] [ 430.306282][ T30] [ 430.306282][ T30] Showing all locks held in the system: [ 430.314698][ T30] 1 lock held by khungtaskd/30: [ 430.320361][ T30] #0: ffffffff8eb38f60 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x55/0x2a0 [ 430.330588][ T30] 4 locks held by kworker/u8:4/62: [ 430.335734][ T30] #0: ffff888020aba948 ((wq_completion)writeback){+.+.}-{0:0}, at: process_scheduled_works+0x98b/0x18e0 [ 430.347705][ T30] #1: ffffc9000213fc60 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x9c6/0x18e0 [ 430.360868][ T30] #2: ffff88805cba00e0 (&type->s_umount_key#43){.+.+}-{4:4}, at: super_trylock_shared+0x22/0xf0 [ 430.371883][ T30] #3: ffff88805bb82fe0 (&jfs_ip->commit_mutex){+.+.}-{4:4}, at: jfs_commit_inode+0x24a/0x590 [ 430.382617][ T30] 2 locks held by getty/5577: [ 430.387608][ T30] #0: ffff888036c820a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 430.397778][ T30] #1: ffffc9000332b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x616/0x1770 [ 430.408336][ T30] 4 locks held by syz-executor427/5846: [ 430.413920][ T30] [ 430.416266][ T30] ============================================= [ 430.416266][ T30] [ 430.425396][ T30] NMI backtrace for cpu 0 [ 430.425418][ T30] CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.14.0-rc2-syzkaller-00162-g68763b29e0a6 #0 [ 430.425444][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 430.425457][ T30] Call Trace: [ 430.425464][ T30] [ 430.425473][ T30] dump_stack_lvl+0x241/0x360 [ 430.425504][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 430.425526][ T30] ? __pfx__printk+0x10/0x10 [ 430.425570][ T30] nmi_cpu_backtrace+0x49c/0x4d0 [ 430.425610][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 430.425640][ T30] ? _printk+0xd5/0x120 [ 430.425669][ T30] ? __pfx__printk+0x10/0x10 [ 430.425700][ T30] ? __wake_up_klogd+0xcc/0x110 [ 430.425734][ T30] ? __pfx__printk+0x10/0x10 [ 430.425767][ T30] ? __rcu_read_unlock+0xa1/0x110 [ 430.425797][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 430.425824][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320 [ 430.425860][ T30] watchdog+0x1058/0x10a0 [ 430.425892][ T30] ? watchdog+0x1ea/0x10a0 [ 430.425925][ T30] ? __pfx_watchdog+0x10/0x10 [ 430.425954][ T30] kthread+0x7a9/0x920 [ 430.425982][ T30] ? __pfx_kthread+0x10/0x10 [ 430.426013][ T30] ? __pfx_watchdog+0x10/0x10 [ 430.426042][ T30] ? __pfx_kthread+0x10/0x10 [ 430.426069][ T30] ? __pfx_kthread+0x10/0x10 [ 430.426102][ T30] ? __pfx_kthread+0x10/0x10 [ 430.426129][ T30] ? _raw_spin_unlock_irq+0x23/0x50 [ 430.426149][ T30] ? lockdep_hardirqs_on+0x99/0x150 [ 430.426171][ T30] ? __pfx_kthread+0x10/0x10 [ 430.426202][ T30] ret_from_fork+0x4b/0x80 [ 430.426227][ T30] ? __pfx_kthread+0x10/0x10 [ 430.426257][ T30] ret_from_fork_asm+0x1a/0x30 [ 430.426294][ T30] [ 430.426302][ T30] Sending NMI from CPU 0 to CPUs 1: [ 430.595822][ C1] NMI backtrace for cpu 1 [ 430.595837][ C1] CPU: 1 UID: 0 PID: 5846 Comm: syz-executor427 Not tainted 6.14.0-rc2-syzkaller-00162-g68763b29e0a6 #0 [ 430.595857][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 430.595867][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x70 [ 430.595901][ C1] Code: 89 fb e8 23 00 00 00 48 8b 3d 64 fc 91 0c 48 89 de 5b e9 a3 61 59 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 48 8b 04 24 65 48 8b 0c 25 00 d5 03 00 65 8b 15 f0 1d [ 430.595915][ C1] RSP: 0018:ffffc9000411f138 EFLAGS: 00000246 [ 430.595930][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff8880125a8000 [ 430.595941][ C1] RDX: ffff8880125a8000 RSI: 0000000000000000 RDI: 00000000000000ff [ 430.595952][ C1] RBP: ffffc9000411f330 R08: ffffffff8356df54 R09: 0000000000000000 [ 430.595964][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: ffff888024e40000 [ 430.595974][ C1] R13: dffffc0000000000 R14: ffff88805bb83248 R15: 0000000000000000 [ 430.595986][ C1] FS: 0000555562dee380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 430.596000][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 430.596011][ C1] CR2: 000055d8ffe48db8 CR3: 000000007f87e000 CR4: 00000000003526f0 [ 430.596025][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 430.596035][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 430.596045][ C1] Call Trace: [ 430.596052][ C1] [ 430.596060][ C1] ? nmi_cpu_backtrace+0x3c2/0x4d0 [ 430.596087][ C1] ? __pfx_lock_acquire+0x10/0x10 [ 430.596112][ C1] ? __pfx_nmi_cpu_backtrace+0x10/0x10 [ 430.596137][ C1] ? nmi_handle+0x2a/0x5a0 [ 430.596167][ C1] ? nmi_cpu_backtrace_handler+0xc/0x20 [ 430.596187][ C1] ? nmi_handle+0x14f/0x5a0 [ 430.596209][ C1] ? nmi_handle+0x2a/0x5a0 [ 430.596233][ C1] ? __pfx___sanitizer_cov_trace_pc+0x10/0x10 [ 430.596254][ C1] ? default_do_nmi+0x63/0x160 [ 430.596279][ C1] ? exc_nmi+0x123/0x1f0 [ 430.596302][ C1] ? end_repeat_nmi+0xf/0x53 [ 430.596328][ C1] ? dtSplitRoot+0x8a4/0x18e0 [ 430.596351][ C1] ? __pfx___sanitizer_cov_trace_pc+0x10/0x10 [ 430.596374][ C1] ? __pfx___sanitizer_cov_trace_pc+0x10/0x10 [ 430.596396][ C1] ? __pfx___sanitizer_cov_trace_pc+0x10/0x10 [ 430.596418][ C1] [ 430.596423][ C1] [ 430.596429][ C1] dtSplitRoot+0x8ad/0x18e0 [ 430.596470][ C1] ? __pfx_dtSplitRoot+0x10/0x10 [ 430.596492][ C1] ? __pfx_dbAlloc+0x10/0x10 [ 430.596511][ C1] ? __kasan_kmalloc+0x98/0xb0 [ 430.596534][ C1] ? __kmalloc_cache_noprof+0x243/0x390 [ 430.596550][ C1] ? dtInsert+0x85a/0x6d10 [ 430.596571][ C1] dtInsert+0x12df/0x6d10 [ 430.596594][ C1] ? kasan_save_track+0x51/0x80 [ 430.596617][ C1] ? do_renameat2+0xd94/0x13f0 [ 430.596652][ C1] ? do_syscall_64+0xf3/0x230 [ 430.596671][ C1] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 430.596701][ C1] ? mark_lock+0x9a/0x360 [ 430.596725][ C1] ? __pfx_dtInsert+0x10/0x10 [ 430.596744][ C1] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 430.596768][ C1] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 430.596793][ C1] ? kasan_quarantine_put+0xdc/0x230 [ 430.596813][ C1] ? lockdep_hardirqs_on+0x99/0x150 [ 430.596832][ C1] ? dtSearch+0x1d59/0x2520 [ 430.596857][ C1] ? kfree+0x196/0x430 [ 430.596883][ C1] ? dtSearch+0x1d59/0x2520 [ 430.596922][ C1] jfs_rename+0xafe/0x1bf0 [ 430.596949][ C1] ? __pfx_jfs_rename+0x10/0x10 [ 430.596991][ C1] ? do_raw_spin_unlock+0x13c/0x8b0 [ 430.597010][ C1] ? __pfx_jfs_rename+0x10/0x10 [ 430.597033][ C1] vfs_rename+0xbdb/0xf00 [ 430.597063][ C1] ? __pfx_vfs_rename+0x10/0x10 [ 430.597088][ C1] ? bpf_lsm_path_rename+0x9/0x10 [ 430.597107][ C1] do_renameat2+0xd94/0x13f0 [ 430.597143][ C1] ? __pfx_do_renameat2+0x10/0x10 [ 430.597170][ C1] ? __virt_addr_valid+0x183/0x530 [ 430.597193][ C1] ? __virt_addr_valid+0x45f/0x530 [ 430.597216][ C1] ? __phys_addr_symbol+0x2f/0x70 [ 430.597242][ C1] ? strncpy_from_user+0x146/0x270 [ 430.597264][ C1] ? getname_flags+0x1e3/0x540 [ 430.597281][ C1] __x64_sys_rename+0x82/0x90 [ 430.597305][ C1] do_syscall_64+0xf3/0x230 [ 430.597325][ C1] ? clear_bhb_loop+0x35/0x90 [ 430.597348][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 430.597370][ C1] RIP: 0033:0x7fa4237eea99 [ 430.597394][ 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 [ 430.597406][ C1] RSP: 002b:00007ffd7bb8bf98 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 [ 430.597422][ C1] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007fa4237eea99 [ 430.597434][ C1] RDX: 0000000000000000 RSI: 0000400000000c80 RDI: 00004000000000c0 [ 430.597444][ C1] RBP: 00007fa4238685f0 R08: 0000000000006195 R09: 0000555562def4c0 [ 430.597461][ C1] R10: 00007ffd7bb8be60 R11: 0000000000000246 R12: 00007ffd7bb8bfc0 [ 430.597471][ C1] R13: 00007ffd7bb8c1e8 R14: 431bde82d7b634db R15: 00007fa42383703b [ 430.597509][ C1] [ 430.597516][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.695 msecs [ 430.597949][ T30] Kernel panic - not syncing: hung_task: blocked tasks [ 430.597966][ T30] CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.14.0-rc2-syzkaller-00162-g68763b29e0a6 #0 [ 430.597992][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 430.598006][ T30] Call Trace: [ 430.598016][ T30] [ 430.598025][ T30] dump_stack_lvl+0x241/0x360 [ 430.598054][ T30] ? __pfx_dump_stack_lvl+0x10/0x10 [ 430.598077][ T30] ? __pfx__printk+0x10/0x10 [ 430.598108][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 430.598146][ T30] ? vscnprintf+0x5d/0x90 [ 430.598183][ T30] panic+0x349/0x880 [ 430.598217][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 430.598254][ T30] ? __pfx_panic+0x10/0x10 [ 430.598284][ T30] ? tick_nohz_tick_stopped+0x82/0xb0 [ 430.598310][ T30] ? __irq_work_queue_local+0x137/0x410 [ 430.598343][ T30] ? preempt_schedule_thunk+0x1a/0x30 [ 430.598374][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320 [ 430.598408][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320 [ 430.598446][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320 [ 430.598483][ T30] watchdog+0x1097/0x10a0 [ 430.598517][ T30] ? watchdog+0x1ea/0x10a0 [ 430.598551][ T30] ? __pfx_watchdog+0x10/0x10 [ 430.598582][ T30] kthread+0x7a9/0x920 [ 430.598612][ T30] ? __pfx_kthread+0x10/0x10 [ 430.598645][ T30] ? __pfx_watchdog+0x10/0x10 [ 430.598675][ T30] ? __pfx_kthread+0x10/0x10 [ 430.598712][ T30] ? __pfx_kthread+0x10/0x10 [ 430.598748][ T30] ? __pfx_kthread+0x10/0x10 [ 430.598778][ T30] ? _raw_spin_unlock_irq+0x23/0x50 [ 430.598801][ T30] ? lockdep_hardirqs_on+0x99/0x150 [ 430.598825][ T30] ? __pfx_kthread+0x10/0x10 [ 430.598858][ T30] ret_from_fork+0x4b/0x80 [ 430.598885][ T30] ? __pfx_kthread+0x10/0x10 [ 430.598918][ T30] ret_from_fork_asm+0x1a/0x30 [ 430.598957][ T30] [ 431.272400][ T30] Kernel Offset: disabled [ 431.276728][ T30] Rebooting in 86400 seconds..