INIT: Entering runlevel: 2 [info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.117' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 596.484136] INFO: task jbd2/sda1-8:3307 blocked for more than 140 seconds. [ 596.491380] Not tainted 4.19.0-rc4-next-20180921+ #77 [ 596.498285] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 596.506756] jbd2/sda1-8 D18264 3307 2 0x80000000 [ 596.512411] Call Trace: [ 596.515150] __schedule+0x86c/0x1ed0 [ 596.518891] ? __sched_text_start+0x8/0x8 [ 596.523054] ? mark_held_locks+0xc7/0x130 [ 596.527356] ? graph_lock+0x170/0x170 [ 596.531179] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 596.536422] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 596.541546] ? lockdep_hardirqs_on+0x421/0x5c0 [ 596.546272] ? trace_hardirqs_on+0xbd/0x310 [ 596.550610] ? kasan_check_read+0x11/0x20 [ 596.554922] ? prepare_to_wait+0x1b3/0x3f0 [ 596.559183] ? trace_hardirqs_off_caller+0x300/0x300 [ 596.564430] ? find_held_lock+0x36/0x1c0 [ 596.568517] schedule+0xfe/0x460 [ 596.571895] ? lock_downgrade+0x900/0x900 [ 596.576195] ? __schedule+0x1ed0/0x1ed0 [ 596.580193] ? kasan_check_read+0x11/0x20 [ 596.584478] ? do_raw_spin_unlock+0xa7/0x2f0 [ 596.588905] ? do_raw_write_trylock+0x1c0/0x1c0 [ 596.593594] ? kasan_check_write+0x14/0x20 [ 596.597994] ? do_raw_spin_lock+0xc1/0x200 [ 596.602259] jbd2_journal_commit_transaction+0xd38/0x89da [ 596.607955] ? print_usage_bug+0xc0/0xc0 [ 596.612062] ? journal_submit_commit_record+0xb60/0xb60 [ 596.617574] ? __lock_acquire+0x7ec/0x4ec0 [ 596.621827] ? mark_held_locks+0x130/0x130 [ 596.627189] ? __update_load_avg_blocked_se+0x730/0x730 [ 596.632578] ? __update_load_avg_se+0xb90/0xb90 [ 596.637388] ? __lock_is_held+0xb5/0x140 [ 596.641477] ? print_usage_bug+0xc0/0xc0 [ 596.645701] ? update_load_avg+0x387/0x2470 [ 596.650060] ? __lock_acquire+0x7ec/0x4ec0 [ 596.654434] ? finish_wait+0x430/0x430 [ 596.658340] ? __pv_queued_spin_lock_slowpath+0x15d0/0x15d0 [ 596.664192] ? __lock_acquire+0x7ec/0x4ec0 [ 596.668453] ? mark_held_locks+0x130/0x130 [ 596.672717] ? graph_lock+0x170/0x170 [ 596.676751] ? print_usage_bug+0xc0/0xc0 [ 596.680832] ? cpuacct_charge+0x265/0x440 [ 596.685134] ? find_held_lock+0x36/0x1c0 [ 596.689224] ? print_usage_bug+0xc0/0xc0 [ 596.693303] ? __lock_acquire+0x7ec/0x4ec0 [ 596.697708] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 596.702655] ? kasan_check_read+0x11/0x20 [ 596.706966] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 596.712264] ? graph_lock+0x170/0x170 [ 596.716202] ? rcu_softirq_qs+0x20/0x20 [ 596.720207] ? __lock_acquire+0x7ec/0x4ec0 [ 596.724578] ? mark_held_locks+0x130/0x130 [ 596.728836] ? graph_lock+0x170/0x170 [ 596.732658] ? mark_held_locks+0x130/0x130 [ 596.737063] ? lock_downgrade+0x900/0x900 [ 596.741246] ? print_usage_bug+0xc0/0xc0 [ 596.745456] ? graph_lock+0x170/0x170 [ 596.749283] ? print_usage_bug+0xc0/0xc0 [ 596.753364] ? __lock_acquire+0x7ec/0x4ec0 [ 596.758777] ? find_held_lock+0x36/0x1c0 [ 596.762870] ? find_held_lock+0x36/0x1c0 [ 596.767098] ? __lock_acquire+0x7ec/0x4ec0 [ 596.771371] ? __lock_acquire+0x7ec/0x4ec0 [ 596.775758] ? kasan_check_read+0x11/0x20 [ 596.779922] ? finish_task_switch+0x1f5/0x900 [ 596.784567] ? trace_hardirqs_off_caller+0x300/0x300 [ 596.789708] ? compat_start_thread+0x80/0x80 [ 596.794284] ? mark_held_locks+0x130/0x130 [ 596.798536] ? mark_held_locks+0x130/0x130 [ 596.802781] ? kasan_check_write+0x14/0x20 [ 596.807172] ? finish_task_switch+0x2f5/0x900 [ 596.811693] ? __switch_to_asm+0x40/0x70 [ 596.815897] ? graph_lock+0x170/0x170 [ 596.819726] ? preempt_notifier_register+0x200/0x200 [ 596.824974] ? __switch_to_asm+0x34/0x70 [ 596.829052] ? __switch_to_asm+0x34/0x70 [ 596.833121] ? __switch_to_asm+0x34/0x70 [ 596.837337] ? __switch_to_asm+0x40/0x70 [ 596.841413] ? __switch_to_asm+0x34/0x70 [ 596.845617] ? __switch_to_asm+0x40/0x70 [ 596.849698] ? __switch_to_asm+0x34/0x70 [ 596.853768] ? __switch_to_asm+0x34/0x70 [ 596.857993] ? __switch_to_asm+0x40/0x70 [ 596.862069] ? __switch_to_asm+0x34/0x70 [ 596.866320] ? graph_lock+0x170/0x170 [ 596.870146] ? lock_acquire+0x1ed/0x520 [ 596.874258] ? lock_timer_base+0xbb/0x2b0 [ 596.878424] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 596.883546] ? find_held_lock+0x36/0x1c0 [ 596.888818] ? try_to_del_timer_sync+0xec/0x140 [ 596.893516] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 596.898775] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 596.903909] ? lockdep_hardirqs_on+0x421/0x5c0 [ 596.908862] ? trace_hardirqs_on+0xbd/0x310 [ 596.913194] ? kasan_check_read+0x11/0x20 [ 596.917492] ? try_to_del_timer_sync+0xec/0x140 [ 596.922183] ? trace_hardirqs_off_caller+0x300/0x300 [ 596.927426] ? stub_timer+0x10/0x10 [ 596.931075] ? del_timer_sync+0xf8/0x270 [ 596.935297] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 596.940440] ? try_to_del_timer_sync+0xec/0x140 [ 596.945259] ? del_timer+0x150/0x150 [ 596.949018] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 596.954729] kjournald2+0x26d/0xb30 [ 596.958417] ? __bpf_trace_jbd2_end_commit+0x30/0x30 [ 596.963534] ? __kthread_parkme+0xce/0x1a0 [ 596.969097] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 596.974356] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 596.979492] ? lockdep_hardirqs_on+0x421/0x5c0 [ 596.984224] ? trace_hardirqs_on+0xbd/0x310 [ 596.988561] ? finish_wait+0x430/0x430 [ 596.992482] ? trace_hardirqs_off_caller+0x300/0x300 [ 596.997765] ? kasan_check_write+0x14/0x20 [ 597.002019] ? do_raw_spin_lock+0xc1/0x200 [ 597.006422] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 597.011547] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 597.018258] ? __kthread_parkme+0xfb/0x1a0 [ 597.022537] ? __bpf_trace_jbd2_end_commit+0x30/0x30 [ 597.027794] kthread+0x35a/0x440 [ 597.031175] ? kthread_bind+0x40/0x40 [ 597.035124] ret_from_fork+0x3a/0x50 [ 597.038875] [ 597.038875] Showing all locks held in the system: [ 597.045348] 4 locks held by kworker/u4:2/28: [ 597.049761] #0: 00000000966b2f63 ((wq_completion)"writeback"){+.+.}, at: process_one_work+0xb43/0x1b80 [ 597.059484] #1: 00000000544b3bff ((work_completion)(&(&wb->dwork)->work)){+.+.}, at: process_one_work+0xb9a/0x1b80 [ 597.070223] #2: 000000008f6094aa (&fc->fs_type->s_umount_key#30){++++}, at: trylock_super+0x22/0x110 [ 597.079883] #3: 00000000e88adbe2 (&sbi->s_journal_flag_rwsem){.+.+}, at: do_writepages+0x9a/0x1a0 [ 597.089221] 1 lock held by khungtaskd/983: [ 597.093461] #0: 000000004a02f480 (rcu_read_lock){....}, at: debug_show_all_locks+0xd0/0x424 [ 597.102264] 3 locks held by rs:main Q:Reg/5445: [ 597.107062] #0: 0000000076c9764a (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x1bb/0x200 [ 597.115199] #1: 000000004aae268a (sb_writers#5){.+.+}, at: vfs_write+0x42a/0x560 [ 597.122880] #2: 0000000092898058 (&sb->s_type->i_mutex_key#12){+.+.}, at: ext4_file_write_iter+0x2a1/0x1420 [ 597.133067] 1 lock held by rsyslogd/5448: [ 597.137340] #0: 000000000182ebfe (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x1bb/0x200 [ 597.146471] 2 locks held by getty/5537: [ 597.150450] #0: 000000002db97c95 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 [ 597.158864] #1: 00000000c978bc9a (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 [ 597.167883] 2 locks held by getty/5538: [ 597.171861] #0: 0000000026d5a3f0 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 [ 597.180287] #1: 00000000858cc8d0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 [ 597.189297] 2 locks held by getty/5539: [ 597.193279] #0: 000000004b6a537d (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 [ 597.201848] #1: 0000000092120c7f (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 [ 597.211004] 2 locks held by getty/5540: [ 597.215137] #0: 0000000032437300 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 [ 597.223442] #1: 00000000af9d3d4d (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 [ 597.232585] 2 locks held by getty/5541: [ 597.236728] #0: 000000003cb32a3a (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 [ 597.245234] #1: 0000000089bab666 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 [ 597.254319] 2 locks held by getty/5542: [ 597.258309] #0: 0000000084a4d130 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 [ 597.266847] #1: 00000000764db77e (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 [ 597.276952] 2 locks held by getty/5543: [ 597.280954] #0: 00000000c92252aa (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 [ 597.289463] #1: 000000009cc43f77 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 [ 597.298539] 6 locks held by syz-executor386/5564: [ 597.303395] [ 597.305176] ============================================= [ 597.305176] [ 597.312204] NMI backtrace for cpu 0 [ 597.315899] CPU: 0 PID: 983 Comm: khungtaskd Not tainted 4.19.0-rc4-next-20180921+ #77 [ 597.323972] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 597.333330] Call Trace: [ 597.335935] dump_stack+0x1d3/0x2c4 [ 597.339585] ? dump_stack_print_info.cold.2+0x52/0x52 [ 597.344798] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 597.350378] ? lapic_can_unplug_cpu.cold.28+0x3f/0x3f [ 597.355599] nmi_cpu_backtrace.cold.4+0x63/0xa2 [ 597.360299] ? lapic_can_unplug_cpu.cold.28+0x3f/0x3f [ 597.365511] nmi_trigger_cpumask_backtrace+0x1c2/0x22c [ 597.370824] arch_trigger_cpumask_backtrace+0x14/0x20 [ 597.376042] watchdog+0xb39/0x1050 [ 597.379609] ? reset_hung_task_detector+0xd0/0xd0 [ 597.384471] ? __kthread_parkme+0xce/0x1a0 [ 597.388728] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 597.393851] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 597.398975] ? lockdep_hardirqs_on+0x421/0x5c0 [ 597.403575] ? trace_hardirqs_on+0xbd/0x310 [ 597.407909] ? kasan_check_read+0x11/0x20 [ 597.412078] ? __kthread_parkme+0xce/0x1a0 [ 597.416336] ? trace_hardirqs_off_caller+0x300/0x300 [ 597.421456] ? kasan_check_write+0x14/0x20 [ 597.425714] ? do_raw_spin_lock+0xc1/0x200 [ 597.429979] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 597.435103] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 597.440665] ? __kthread_parkme+0xfb/0x1a0 [ 597.444957] ? reset_hung_task_detector+0xd0/0xd0 [ 597.449827] kthread+0x35a/0x440 [ 597.453222] ? kthread_bind+0x40/0x40 [ 597.457044] ret_from_fork+0x3a/0x50 [ 597.460897] Sending NMI from CPU 0 to CPUs 1: [ 597.466832] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.188 msecs [ 597.467460] NMI backtrace for cpu 1 [ 597.467469] CPU: 1 PID: 5564 Comm: syz-executor386 Not tainted 4.19.0-rc4-next-20180921+ #77 [ 597.467477] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 597.467482] RIP: 0010:ext4_ext_drop_refs+0xc0/0xf0 [ 597.467497] Code: 03 00 00 00 00 e8 70 31 6c ff 41 83 c4 01 44 89 f7 48 83 c3 30 44 89 e6 e8 ed 31 6c ff 45 39 e6 7d a6 e8 53 31 6c ff 5b 41 5c <41> 5d 41 5e 41 5f 5d c3 e8 a3 aa af ff e9 76 ff ff ff 48 89 df e8 [ 597.467502] RSP: 0018:ffff8801be77f198 EFLAGS: 00000293 [ 597.467513] RAX: ffff8801d8708580 RBX: ffff8801be363a80 RCX: ffffffff82111fd3 [ 597.467520] RDX: 0000000000000000 RSI: ffffffff82111fdd RDI: 0000000000000004 [ 597.467526] RBP: ffff8801be77f1b0 R08: ffff8801d8708580 R09: ffffed003b585b57 [ 597.467533] R10: ffffed003b585b57 R11: ffff8801dac2dabb R12: 0000000000008002 [ 597.467540] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000 [ 597.467547] FS: 0000000000b12880(0000) GS:ffff8801dad00000(0000) knlGS:0000000000000000 [ 597.467553] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 597.467560] CR2: ffffffffff600400 CR3: 00000001d8736000 CR4: 00000000001406e0 [ 597.467564] Call Trace: [ 597.467569] mext_check_coverage.constprop.13+0x27b/0x510 [ 597.467575] ? mext_page_mkuptodate+0x12b0/0x12b0 [ 597.467579] ext4_move_extents+0x2784/0x3c20 [ 597.467585] ? ext4_double_up_write_data_sem+0x30/0x30 [ 597.467589] ? save_stack+0xa9/0xd0 [ 597.467594] ? save_stack+0x43/0xd0 [ 597.467599] ? __kasan_slab_free+0x102/0x150 [ 597.467603] ? kasan_slab_free+0xe/0x10 [ 597.467608] ? kmem_cache_free+0x83/0x290 [ 597.467613] ? print_usage_bug+0xc0/0xc0 [ 597.467618] ? ext4_fallocate+0xa29/0x22e0 [ 597.467623] ? vfs_fallocate+0x4b4/0x940 [ 597.467628] ? ksys_fallocate+0x56/0x90 [ 597.467632] ? do_syscall_64+0x1b9/0x820 [ 597.467638] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 597.467643] ? trace_hardirqs_off+0xb8/0x310 [ 597.467648] ? kasan_check_read+0x11/0x20 [ 597.467653] ? do_raw_spin_unlock+0xa7/0x2f0 [ 597.467658] ? trace_hardirqs_on_caller+0x310/0x310 [ 597.467663] ? kasan_check_write+0x14/0x20 [ 597.467667] ? graph_lock+0x170/0x170 [ 597.467683] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 597.467688] ? graph_lock+0x170/0x170 [ 597.467693] ? __lock_is_held+0xb5/0x140 [ 597.467697] ? graph_lock+0x170/0x170 [ 597.467703] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 597.467708] ? check_preemption_disabled+0x48/0x200 [ 597.467713] ? __lock_is_held+0xb5/0x140 [ 597.467718] ? rcu_read_lock_sched_held+0x108/0x120 [ 597.467723] ? preempt_count_add+0x7d/0x160 [ 597.467729] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 597.467734] ? __mnt_want_write_file+0xa2/0xc0 [ 597.467738] ext4_ioctl+0x314f/0x4210 [ 597.467743] ? inode_init_owner+0x340/0x340 [ 597.467748] ? ext4_ioctl_group_add+0x560/0x560 [ 597.467753] ? find_held_lock+0x36/0x1c0 [ 597.467758] ? ext4_fallocate+0x370/0x22e0 [ 597.467763] ? lock_downgrade+0x900/0x900 [ 597.467768] ? ext4_alloc_file_blocks+0x7f2/0xaf0 [ 597.467774] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 597.467779] ? check_preemption_disabled+0x48/0x200 [ 597.467784] ? __lock_is_held+0xb5/0x140 [ 597.467790] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 597.467794] ? ext4_fallocate+0x49c/0x22e0 [ 597.467799] ? graph_lock+0x170/0x170 [ 597.467804] ? trace_hardirqs_off+0xb8/0x310 [ 597.467809] ? ext4_insert_range+0x1410/0x1410 [ 597.467814] ? kasan_check_write+0x14/0x20 [ 597.467818] ? find_held_lock+0x36/0x1c0 [ 597.467824] ? ext4_ioctl_group_add+0x560/0x560 [ 597.467828] do_vfs_ioctl+0x1de/0x1720 [ 597.467833] ? vfs_fallocate+0x7ab/0x940 [ 597.467838] ? ioctl_preallocate+0x300/0x300 [ 597.467844] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 597.467848] ? __fget_light+0x2e9/0x430 [ 597.467853] ? fget_raw+0x20/0x20 [ 597.467858] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 597.467864] ? check_preemption_disabled+0x48/0x200 [ 597.467868] ? do_syscall_64+0x9a/0x820 [ 597.467873] ? do_syscall_64+0x9a/0x820 [ 597.467878] ? lockdep_hardirqs_on+0x421/0x5c0 [ 597.467883] ? security_file_ioctl+0x94/0xc0 [ 597.467887] ksys_ioctl+0xa9/0xd0 [ 597.467892] __x64_sys_ioctl+0x73/0xb0 [ 597.467896] do_syscall_64+0x1b9/0x820 [ 597.467902] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 597.467907] ? syscall_return_slowpath+0x5e0/0x5e0 [ 597.467912] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 597.467918] ? trace_hardirqs_off+0x310/0x310 [ 597.467923] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 597.467928] ? prepare_exit_to_usermode+0x291/0x3b0 [ 597.467933] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 597.467946] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 597.467951] RIP: 0033:0x440169 [ 597.467965] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 0f 83 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 597.467970] RSP: 002b:00007ffe0bdc36e8 EFLAGS: 00000217 ORIG_RAX: 0000000000000010 [ 597.467982] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440169 [ 597.467989] RDX: 0000000020000040 RSI: 00000000c028660f RDI: 0000000000000003 [ 597.467995] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8 [ 597.468002] R10: 00000000004002c8 R11: 0000000000000217 R12: 00000000004019f0 [ 597.468009] R13: 0000000000401a80 R14: 0000000000000000 R15: 0000000000000000 [ 597.470777] Kernel panic - not syncing: hung_task: blocked tasks [ 597.985272] CPU: 0 PID: 983 Comm: khungtaskd Not tainted 4.19.0-rc4-next-20180921+ #77 [ 597.993338] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 598.002714] Call Trace: [ 598.005325] dump_stack+0x1d3/0x2c4 [ 598.008973] ? dump_stack_print_info.cold.2+0x52/0x52 [ 598.014193] panic+0x238/0x4e7 [ 598.017400] ? add_taint.cold.5+0x16/0x16 [ 598.021568] ? nmi_trigger_cpumask_backtrace+0x1a2/0x22c [ 598.027038] ? nmi_trigger_cpumask_backtrace+0x1fe/0x22c [ 598.032511] ? nmi_trigger_cpumask_backtrace+0x1ab/0x22c [ 598.037982] ? nmi_trigger_cpumask_backtrace+0x1a2/0x22c [ 598.043454] watchdog+0xb4a/0x1050 [ 598.047023] ? reset_hung_task_detector+0xd0/0xd0 [ 598.051884] ? __kthread_parkme+0xce/0x1a0 [ 598.056136] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 598.061251] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 598.066368] ? lockdep_hardirqs_on+0x421/0x5c0 [ 598.070967] ? trace_hardirqs_on+0xbd/0x310 [ 598.075303] ? kasan_check_read+0x11/0x20 [ 598.079465] ? __kthread_parkme+0xce/0x1a0 [ 598.083722] ? trace_hardirqs_off_caller+0x300/0x300 [ 598.088838] ? kasan_check_write+0x14/0x20 [ 598.093082] ? do_raw_spin_lock+0xc1/0x200 [ 598.097339] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 598.102461] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 598.108016] ? __kthread_parkme+0xfb/0x1a0 [ 598.112270] ? reset_hung_task_detector+0xd0/0xd0 [ 598.117119] kthread+0x35a/0x440 [ 598.120498] ? kthread_bind+0x40/0x40 [ 598.124316] ret_from_fork+0x3a/0x50 [ 598.129129] Kernel Offset: disabled [ 598.132769] Rebooting in 86400 seconds..