./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor94623314
<...>
forked to background, child pid 4738
no interfaces have a carrier
[ 42.095172][ T4739] 8021q: adding VLAN 0 to HW filter on device bond0
[ 42.117991][ T4739] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.1.28' (ED25519) to the list of known hosts.
execve("./syz-executor94623314", ["./syz-executor94623314"], 0x7ffe837100f0 /* 10 vars */) = 0
brk(NULL) = 0x555581c57000
brk(0x555581c57d00) = 0x555581c57d00
arch_prctl(ARCH_SET_FS, 0x555581c57380) = 0
set_tid_address(0x555581c57650) = 5074
set_robust_list(0x555581c57660, 24) = 0
rseq(0x555581c57ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor94623314", 4096) = 26
getrandom("\x2c\xe7\x5d\x50\x37\x97\xfe\x11", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555581c57d00
brk(0x555581c78d00) = 0x555581c78d00
brk(0x555581c79000) = 0x555581c79000
mprotect(0x7fd189df3000, 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
mkdir("./syzkaller.BXAzwI", 0700) = 0
chmod("./syzkaller.BXAzwI", 0777) = 0
chdir("./syzkaller.BXAzwI") = 0
mkdir("./0", 0777) = 0
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 5075 attached
, child_tidptr=0x555581c57650) = 5075
[pid 5075] set_robust_list(0x555581c57660, 24) = 0
[pid 5075] chdir("./0") = 0
[pid 5075] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5075] setpgid(0, 0) = 0
[pid 5075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5075] write(3, "1000", 4) = 4
[pid 5075] close(3) = 0
[pid 5075] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5075] memfd_create("syzkaller", 0) = 3
[pid 5075] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fd181800000
[pid 5075] write(3, "\xeb\x76\x90\x45\x58\x46\x41\x54\x20\x20\x20\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\x01\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x08\x00\x00\x00\x88\x00\x00\x00\x0f\x00\x00\x00\x05\x00\x00\x00"..., 131072) = 131072
[pid 5075] munmap(0x7fd181800000, 138412032) = 0
[pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5075] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 5075] close(3) = 0
[pid 5075] close(4) = 0
[pid 5075] mkdir("./file1", 0777) = 0
syzkaller login: [ 71.552902][ T5075] loop0: detected capacity change from 0 to 256
[pid 5075] mount("/dev/loop0", "./file1", "exfat", MS_DIRSYNC, "") = 0
[pid 5075] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid 5075] chdir("./file1") = 0
[pid 5075] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5075] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOATIME|0x3c, 000) = 4
[pid 5075] mount("/dev/loop0", "./bus", NULL, MS_BIND, NULL) = 0
[pid 5075] exit_group(0) = ?
[pid 5075] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5075, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[ 71.593555][ T5075] exFAT-fs (loop0): failed to load upcase table (idx : 0x00010000, chksum : 0x205ad3fc, utbl_chksum : 0xe619d30d)
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x555581c586f0 /* 4 entries */, 32768) = 112
umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./0/binderfs") = 0
umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy)
newfstatat(AT_FDCWD, "./0/file1", {st_mode=S_IFDIR|0700, st_size=61440, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./0/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy)
openat(AT_FDCWD, "./0/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=61440, ...}, AT_EMPTY_PATH) = 0
[ 86.907899][ T928] cfg80211: failed to load regulatory.db
[ 286.585454][ T30] INFO: task kworker/u8:1:11 blocked for more than 143 seconds.
[ 286.593270][ T30] Not tainted 6.9.0-rc7-syzkaller-00183-gcf87f46fd34d #0
[ 286.602439][ T30] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 286.611646][ T30] task:kworker/u8:1 state:D stack:23472 pid:11 tgid:11 ppid:2 flags:0x00004000
[ 286.622125][ T30] Workqueue: writeback wb_workfn (flush-7:0)
[ 286.628507][ T30] Call Trace:
[ 286.631807][ T30]
[ 286.634757][ T30] __schedule+0x1796/0x4a00
[ 286.639945][ T30] ? __pfx___schedule+0x10/0x10
[ 286.644828][ T30] ? __blk_flush_plug+0x449/0x500
[ 286.650440][ T30] ? __pfx_lock_release+0x10/0x10
[ 286.655841][ T30] ? __mutex_trylock_common+0x92/0x2e0
[ 286.661334][ T30] ? kthread_data+0x52/0xd0
[ 286.666338][ T30] ? schedule+0x90/0x320
[ 286.670620][ T30] ? wq_worker_sleeping+0x66/0x240
[ 286.676137][ T30] ? schedule+0x90/0x320
[ 286.680410][ T30] schedule+0x14b/0x320
[ 286.684592][ T30] schedule_preempt_disabled+0x13/0x30
[ 286.690679][ T30] __mutex_lock+0x6a4/0xd70
[ 286.695245][ T30] ? __mutex_lock+0x527/0xd70
[ 286.700332][ T30] ? exfat_write_inode+0x69/0x120
[ 286.706159][ T30] ? __pfx___mutex_lock+0x10/0x10
[ 286.711261][ T30] ? do_raw_spin_unlock+0x13c/0x8b0
[ 286.716896][ T30] exfat_write_inode+0x69/0x120
[ 286.721780][ T30] __writeback_single_inode+0x6b9/0x10b0
[ 286.728537][ T30] writeback_sb_inodes+0x905/0x1260
[ 286.733806][ T30] ? __lock_acquire+0x1346/0x1fd0
[ 286.739293][ T30] ? __pfx_writeback_sb_inodes+0x10/0x10
[ 286.745006][ T30] ? __pfx_down_read_trylock+0x10/0x10
[ 286.750989][ T30] ? __pfx___up_read+0x10/0x10
[ 286.756030][ T30] ? do_raw_spin_lock+0x14f/0x370
[ 286.761094][ T30] __writeback_inodes_wb+0x11b/0x260
[ 286.766860][ T30] wb_writeback+0x46b/0xce0
[ 286.771416][ T30] ? __pfx_wb_writeback+0x10/0x10
[ 286.776940][ T30] wb_workfn+0xc58/0x1090
[ 286.781333][ T30] ? __pfx_wb_workfn+0x10/0x10
[ 286.786216][ T30] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 286.792227][ T30] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 286.799288][ T30] ? process_scheduled_works+0x91b/0x17c0
[ 286.805041][ T30] process_scheduled_works+0xa10/0x17c0
[ 286.811065][ T30] ? __pfx_process_scheduled_works+0x10/0x10
[ 286.817897][ T30] ? assign_work+0x364/0x3d0
[ 286.822520][ T30] worker_thread+0x86d/0xd70
[ 286.827514][ T30] ? __kthread_parkme+0x169/0x1d0
[ 286.832568][ T30] ? __pfx_worker_thread+0x10/0x10
[ 286.838240][ T30] kthread+0x2f0/0x390
[ 286.842342][ T30] ? __pfx_worker_thread+0x10/0x10
[ 286.847881][ T30] ? __pfx_kthread+0x10/0x10
[ 286.852500][ T30] ret_from_fork+0x4b/0x80
[ 286.857373][ T30] ? __pfx_kthread+0x10/0x10
[ 286.861997][ T30] ret_from_fork_asm+0x1a/0x30
[ 286.867213][ T30]
[ 286.870331][ T30]
[ 286.870331][ T30] Showing all locks held in the system:
[ 286.878564][ T30] 4 locks held by kworker/u8:1/11:
[ 286.883685][ T30] #0: ffff888015ecf948 ((wq_completion)writeback){+.+.}-{0:0}, at: process_scheduled_works+0x8e0/0x17c0
[ 286.895522][ T30] #1: ffffc90000107d00 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_scheduled_works+0x91b/0x17c0
[ 286.908330][ T30] #2: ffff8880112c40e0 (&type->s_umount_key#44){.+.+}-{3:3}, at: super_trylock_shared+0x22/0xf0
[ 286.919288][ T30] #3: ffff8880112c20e0 (&sbi->s_lock){+.+.}-{3:3}, at: exfat_write_inode+0x69/0x120
[ 286.929784][ T30] 1 lock held by khungtaskd/30:
[ 286.934667][ T30] #0: ffffffff8e334da0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0
[ 286.944991][ T30] 2 locks held by getty/4830:
[ 286.949972][ T30] #0: ffff88802b04e0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70
[ 286.960167][ T30] #1: ffffc900031332f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6b5/0x1e10
[ 286.970596][ T30] 3 locks held by syz-executor946/5074:
[ 286.976510][ T30]
[ 286.978855][ T30] =============================================
[ 286.978855][ T30]
[ 286.987843][ T30] NMI backtrace for cpu 1
[ 286.992191][ T30] CPU: 1 PID: 30 Comm: khungtaskd Not tainted 6.9.0-rc7-syzkaller-00183-gcf87f46fd34d #0
[ 287.002010][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
[ 287.012083][ T30] Call Trace:
[ 287.015382][ T30]
[ 287.018329][ T30] dump_stack_lvl+0x241/0x360
[ 287.023108][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 287.028348][ T30] ? __pfx__printk+0x10/0x10
[ 287.033015][ T30] ? vprintk_emit+0x631/0x770
[ 287.037722][ T30] ? __pfx_vprintk_emit+0x10/0x10
[ 287.042773][ T30] nmi_cpu_backtrace+0x49c/0x4d0
[ 287.047785][ T30] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 287.053261][ T30] ? _printk+0xd5/0x120
[ 287.057441][ T30] ? __pfx__printk+0x10/0x10
[ 287.062054][ T30] ? __wake_up_klogd+0xcc/0x110
[ 287.066939][ T30] ? __pfx__printk+0x10/0x10
[ 287.071559][ T30] ? __rcu_read_unlock+0xa1/0x110
[ 287.076623][ T30] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 287.082633][ T30] nmi_trigger_cpumask_backtrace+0x198/0x320
[ 287.088645][ T30] watchdog+0xfde/0x1020
[ 287.092930][ T30] ? watchdog+0x1ea/0x1020
[ 287.097381][ T30] ? __pfx_watchdog+0x10/0x10
[ 287.102072][ T30] kthread+0x2f0/0x390
[ 287.106169][ T30] ? __pfx_watchdog+0x10/0x10
[ 287.110859][ T30] ? __pfx_kthread+0x10/0x10
[ 287.115485][ T30] ret_from_fork+0x4b/0x80
[ 287.119921][ T30] ? __pfx_kthread+0x10/0x10
[ 287.124526][ T30] ret_from_fork_asm+0x1a/0x30
[ 287.129327][ T30]
[ 287.132553][ T30] Sending NMI from CPU 1 to CPUs 0:
[ 287.137810][ C0] NMI backtrace for cpu 0
[ 287.137822][ C0] CPU: 0 PID: 5074 Comm: syz-executor946 Not tainted 6.9.0-rc7-syzkaller-00183-gcf87f46fd34d #0
[ 287.137838][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
[ 287.137848][ C0] RIP: 0010:lockdep_hardirqs_on_prepare+0x3bb/0x780
[ 287.137868][ C0] Code: 00 0f 94 c2 83 f2 07 48 8b 7c 24 10 48 89 de e8 db aa 00 00 48 ba 00 00 00 00 00 fc ff df 85 c0 74 7e 49 ff c5 41 0f b6 04 17 <84> c0 75 33 49 63 06 48 83 c3 28 49 83 c4 28 49 39 c5 7c 99 eb 60
[ 287.137881][ C0] RSP: 0018:ffffc90002dbf3c0 EFLAGS: 00000002
[ 287.137895][ C0] RAX: 0000000000000000 RBX: ffff88802981a900 RCX: ffffffff8172f68a
[ 287.137907][ C0] RDX: dffffc0000000000 RSI: 0000000000000008 RDI: ffffffff92efe5c8
[ 287.137918][ C0] RBP: ffffc90002dbf468 R08: ffffffff92efe5cf R09: 1ffffffff25dfcb9
[ 287.137930][ C0] R10: dffffc0000000000 R11: fffffbfff25dfcba R12: ffff88802981a920
[ 287.137941][ C0] R13: 0000000000000002 R14: ffff88802981a8d0 R15: 1ffff1100530351a
[ 287.137953][ C0] FS: 0000555581c57380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000
[ 287.137966][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 287.137977][ C0] CR2: 000055da2b39f600 CR3: 0000000021cbc000 CR4: 00000000003506f0
[ 287.137991][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 287.138000][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 287.138009][ C0] Call Trace:
[ 287.138016][ C0]
[ 287.138022][ C0] ? nmi_cpu_backtrace+0x3c2/0x4d0
[ 287.138040][ C0] ? __pfx_lock_acquire+0x10/0x10
[ 287.138058][ C0] ? __pfx_nmi_cpu_backtrace+0x10/0x10
[ 287.138083][ C0] ? nmi_cpu_backtrace_handler+0xc/0x20
[ 287.138103][ C0] ? nmi_handle+0x14f/0x5a0
[ 287.138141][ C0] ? nmi_handle+0x2a/0x5a0
[ 287.138159][ C0] ? lockdep_hardirqs_on_prepare+0x3bb/0x780
[ 287.138176][ C0] ? default_do_nmi+0x63/0x160
[ 287.138229][ C0] ? exc_nmi+0x123/0x1f0
[ 287.138247][ C0] ? end_repeat_nmi+0xf/0x53
[ 287.138318][ C0] ? mark_lock+0x9a/0x350
[ 287.138354][ C0] ? lockdep_hardirqs_on_prepare+0x3bb/0x780
[ 287.138372][ C0] ? lockdep_hardirqs_on_prepare+0x3bb/0x780
[ 287.138390][ C0] ? lockdep_hardirqs_on_prepare+0x3bb/0x780
[ 287.138408][ C0]
[ 287.138414][ C0]
[ 287.138421][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 287.138441][ C0] ? rcu_is_watching+0x15/0xb0
[ 287.138460][ C0] trace_hardirqs_on+0x28/0x40
[ 287.138487][ C0] __find_get_block+0x529/0x10d0
[ 287.138518][ C0] ? fs_reclaim_acquire+0x93/0x140
[ 287.138548][ C0] ? __pfx___find_get_block+0x10/0x10
[ 287.138574][ C0] ? bdev_getblk+0x73/0x610
[ 287.138591][ C0] ? __pfx_exfat_find_location+0x10/0x10
[ 287.138618][ C0] bdev_getblk+0x38/0x610
[ 287.138634][ C0] ? exfat_get_dentry+0x566/0x730
[ 287.138656][ C0] ? __brelse+0x4c/0xa0
[ 287.138673][ C0] __bread_gfp+0xac/0x430
[ 287.138691][ C0] exfat_ent_get+0x14d/0x400
[ 287.138716][ C0] exfat_iterate+0x1376/0x33e0
[ 287.138757][ C0] ? __pfx_exfat_iterate+0x10/0x10
[ 287.138780][ C0] ? lockdep_hardirqs_on_prepare+0x43d/0x780
[ 287.138799][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 287.138842][ C0] ? lock_acquire+0x264/0x550
[ 287.138869][ C0] ? __pfx___down_write_common+0x10/0x10
[ 287.138894][ C0] ? __pfx___mutex_lock+0x10/0x10
[ 287.138915][ C0] ? __pfx_exfat_iterate+0x10/0x10
[ 287.138935][ C0] wrap_directory_iterator+0x94/0xe0
[ 287.138956][ C0] iterate_dir+0x539/0x6f0
[ 287.138977][ C0] __se_sys_getdents64+0x20d/0x4f0
[ 287.138996][ C0] ? _raw_spin_unlock_irq+0x2e/0x50
[ 287.139046][ C0] ? __pfx___se_sys_getdents64+0x10/0x10
[ 287.139065][ C0] ? __pfx_filldir64+0x10/0x10
[ 287.139084][ C0] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10
[ 287.139102][ C0] ? exc_page_fault+0x577/0x8a0
[ 287.139133][ C0] do_syscall_64+0xf5/0x240
[ 287.139159][ C0] ? clear_bhb_loop+0x35/0x90
[ 287.139180][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 287.139200][ C0] RIP: 0033:0x7fd189da5ee3
[ 287.139215][ C0] Code: c1 66 0f 1f 44 00 00 48 83 c4 08 48 89 ef 5b 5d e9 a2 48 fb ff 66 90 b8 ff ff ff 7f 48 39 c2 48 0f 47 d0 b8 d9 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 05 c3 0f 1f 40 00 48 c7 c2 b8 ff ff ff f7 d8
[ 287.139228][ C0] RSP: 002b:00007ffd05ebe3f8 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9
[ 287.139245][ C0] RAX: ffffffffffffffda RBX: 0000555581c60730 RCX: 00007fd189da5ee3
[ 287.139257][ C0] RDX: 0000000000008000 RSI: 0000555581c60730 RDI: 0000000000000004
[ 287.139268][ C0] RBP: 0000555581c60704 R08: 0000000000000000 R09: 0000000000000000
[ 287.139278][ C0] R10: 0000000000001000 R11: 0000000000000293 R12: ffffffffffffffb8
[ 287.139289][ C0] R13: 0000000000000010 R14: 0000555581c60700 R15: 431bde82d7b634db
[ 287.139308][ C0]
[ 287.139315][ C0] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.505 msecs
[ 287.185340][ T30] Kernel panic - not syncing: hung_task: blocked tasks
[ 287.185355][ T30] CPU: 0 PID: 30 Comm: khungtaskd Not tainted 6.9.0-rc7-syzkaller-00183-gcf87f46fd34d #0
[ 287.185377][ T30] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
[ 287.185390][ T30] Call Trace:
[ 287.185399][ T30]
[ 287.185408][ T30] dump_stack_lvl+0x241/0x360
[ 287.185447][ T30] ? __pfx_dump_stack_lvl+0x10/0x10
[ 287.185479][ T30] ? __pfx__printk+0x10/0x10
[ 287.185516][ T30] ? vscnprintf+0x5d/0x90
[ 287.185541][ T30] panic+0x349/0x860
[ 287.185572][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 287.185597][ T30] ? __pfx_panic+0x10/0x10
[ 287.185624][ T30] ? tick_nohz_tick_stopped+0x82/0xb0
[ 287.185671][ T30] ? __irq_work_queue_local+0x137/0x410
[ 287.185708][ T30] ? preempt_schedule_thunk+0x1a/0x30
[ 287.185730][ T30] ? nmi_trigger_cpumask_backtrace+0x244/0x320
[ 287.185753][ T30] ? nmi_trigger_cpumask_backtrace+0x2d4/0x320
[ 287.185780][ T30] ? nmi_trigger_cpumask_backtrace+0x2d9/0x320
[ 287.185807][ T30] watchdog+0x101d/0x1020
[ 287.185829][ T30] ? watchdog+0x1ea/0x1020
[ 287.185855][ T30] ? __pfx_watchdog+0x10/0x10
[ 287.185875][ T30] kthread+0x2f0/0x390
[ 287.185902][ T30] ? __pfx_watchdog+0x10/0x10
[ 287.185921][ T30] ? __pfx_kthread+0x10/0x10
[ 287.185948][ T30] ret_from_fork+0x4b/0x80
[ 287.185977][ T30] ? __pfx_kthread+0x10/0x10
[ 287.186003][ T30] ret_from_fork_asm+0x1a/0x30
[ 287.186046][ T30]
[ 287.191680][ T30] Kernel Offset: disabled
[ 287.756155][ T30] Rebooting in 86400 seconds..