Warning: Permanently added '10.128.1.0' (ECDSA) to the list of known hosts. syzkaller login: [ 234.300908][ T1077] INFO: task kworker/u4:0:7 blocked for more than 143 seconds. [ 234.308604][ T1077] Not tainted 5.4.0-rc5-next-20191031 #0 [ 234.314813][ T1077] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 234.323536][ T1077] kworker/u4:0 D24344 7 2 0x80004000 [ 234.329881][ T1077] Workqueue: writeback wb_workfn (flush-8:0) [ 234.335884][ T1077] Call Trace: [ 234.339179][ T1077] __schedule+0x94a/0x1e70 [ 234.343668][ T1077] ? __sched_text_start+0x8/0x8 [ 234.348528][ T1077] ? blk_insert_cloned_request+0x530/0x530 [ 234.354375][ T1077] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.360617][ T1077] ? kthread_data+0x58/0xc0 [ 234.365192][ T1077] schedule+0xdc/0x2b0 [ 234.369262][ T1077] io_schedule+0x1c/0x70 [ 234.373632][ T1077] __lock_page+0x422/0xab0 [ 234.378068][ T1077] ? wait_on_page_bit+0xa60/0xa60 [ 234.383219][ T1077] ? page_cache_next_miss+0x340/0x340 [ 234.388595][ T1077] ? ___might_sleep+0x163/0x2c0 [ 234.393489][ T1077] ? __might_sleep+0x95/0x190 [ 234.398169][ T1077] mpage_prepare_extent_to_map+0xb3f/0xf90 [ 234.404052][ T1077] ? mpage_process_page_bufs+0x780/0x780 [ 234.409684][ T1077] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 234.415276][ T1077] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 234.421305][ T1077] ? __kmalloc_node+0xf/0x70 [ 234.425899][ T1077] ext4_writepages+0x954/0x2e70 [ 234.430729][ T1077] ? ___might_sleep+0x163/0x2c0 [ 234.435627][ T1077] ? __might_sleep+0x40/0x190 [ 234.440317][ T1077] ? mark_lock+0xb1/0x1220 [ 234.444801][ T1077] ? ext4_mark_inode_dirty+0x9b0/0x9b0 [ 234.450259][ T1077] ? __kasan_check_read+0x11/0x20 [ 234.455322][ T1077] ? __lock_acquire+0x16f2/0x4a00 [ 234.460350][ T1077] ? __kasan_check_read+0x11/0x20 [ 234.465433][ T1077] ? mark_lock+0xc2/0x1220 [ 234.469855][ T1077] ? mark_held_locks+0xf0/0xf0 [ 234.474662][ T1077] ? __kasan_check_read+0x11/0x20 [ 234.479692][ T1077] ? ext4_mark_inode_dirty+0x9b0/0x9b0 [ 234.485197][ T1077] do_writepages+0xfa/0x2a0 [ 234.489706][ T1077] ? do_writepages+0xfa/0x2a0 [ 234.494418][ T1077] ? page_writeback_cpu_online+0x20/0x20 [ 234.500050][ T1077] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 234.506280][ T1077] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 234.511914][ T1077] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 234.517890][ T1077] __writeback_single_inode+0x136/0x1400 [ 234.523572][ T1077] ? _raw_spin_unlock+0x28/0x40 [ 234.528424][ T1077] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 234.534740][ T1077] ? wbc_attach_and_unlock_inode+0x5bf/0x920 [ 234.540737][ T1077] writeback_sb_inodes+0x596/0xf20 [ 234.546263][ T1077] ? __writeback_single_inode+0x1400/0x1400 [ 234.552192][ T1077] ? trylock_super+0x22/0x110 [ 234.556881][ T1077] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 234.563170][ T1077] __writeback_inodes_wb+0xc3/0x260 [ 234.568366][ T1077] wb_writeback+0x910/0xd90 [ 234.572900][ T1077] ? mark_lock+0xc2/0x1220 [ 234.577328][ T1077] ? writeback_inodes_wb.constprop.0+0x1a0/0x1a0 [ 234.583702][ T1077] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 234.589427][ T1077] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 234.595186][ T1077] ? get_nr_dirty_inodes+0xe2/0x140 [ 234.600393][ T1077] wb_workfn+0xba5/0x1220 [ 234.604791][ T1077] ? inode_wait_for_writeback+0x40/0x40 [ 234.610349][ T1077] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 234.616562][ T1077] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 234.622587][ T1077] ? trace_hardirqs_on+0x67/0x240 [ 234.627613][ T1077] process_one_work+0x9af/0x1740 [ 234.632595][ T1077] ? pwq_dec_nr_in_flight+0x320/0x320 [ 234.637969][ T1077] ? lock_acquire+0x190/0x410 [ 234.642703][ T1077] worker_thread+0x98/0xe40 [ 234.647213][ T1077] kthread+0x361/0x430 [ 234.651317][ T1077] ? process_one_work+0x1740/0x1740 [ 234.656560][ T1077] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 234.662342][ T1077] ret_from_fork+0x24/0x30 [ 234.666793][ T1077] INFO: task khugepaged:1084 blocked for more than 143 seconds. [ 234.674448][ T1077] Not tainted 5.4.0-rc5-next-20191031 #0 [ 234.680592][ T1077] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 234.689309][ T1077] khugepaged D27840 1084 2 0x80004000 [ 234.695667][ T1077] Call Trace: [ 234.698962][ T1077] __schedule+0x94a/0x1e70 [ 234.703441][ T1077] ? __sched_text_start+0x8/0x8 [ 234.708290][ T1077] ? blk_insert_cloned_request+0x530/0x530 [ 234.714124][ T1077] ? _raw_spin_unlock_irq+0x23/0x80 [ 234.719321][ T1077] ? __lock_page+0x3d9/0xab0 [ 234.723972][ T1077] ? _raw_spin_unlock_irq+0x23/0x80 [ 234.729174][ T1077] schedule+0xdc/0x2b0 [ 234.733278][ T1077] io_schedule+0x1c/0x70 [ 234.737529][ T1077] __lock_page+0x422/0xab0 [ 234.742008][ T1077] ? wait_on_page_bit+0xa60/0xa60 [ 234.747071][ T1077] ? page_cache_next_miss+0x340/0x340 [ 234.752487][ T1077] ? ___might_sleep+0x163/0x2c0 [ 234.757352][ T1077] ? __might_sleep+0x95/0x190 [ 234.762094][ T1077] mpage_prepare_extent_to_map+0xb3f/0xf90 [ 234.767925][ T1077] ? mpage_process_page_bufs+0x780/0x780 [ 234.773624][ T1077] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 234.779611][ T1077] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 234.785923][ T1077] ext4_writepages+0xb6a/0x2e70 [ 234.790837][ T1077] ? __this_cpu_preempt_check+0x2c/0x190 [ 234.796475][ T1077] ? ext4_mark_inode_dirty+0x9b0/0x9b0 [ 234.801995][ T1077] ? 0xffffffff81000000 [ 234.806337][ T1077] ? mark_lock+0xc2/0x1220 [ 234.811162][ T1077] ? prep_new_page+0x19f/0x200 [ 234.815936][ T1077] ? wbc_attach_and_unlock_inode+0x515/0x920 [ 234.821986][ T1077] ? find_held_lock+0x35/0x130 [ 234.826774][ T1077] ? wbc_attach_and_unlock_inode+0x515/0x920 [ 234.832810][ T1077] ? ext4_mark_inode_dirty+0x9b0/0x9b0 [ 234.838282][ T1077] do_writepages+0xfa/0x2a0 [ 234.842848][ T1077] ? do_writepages+0xfa/0x2a0 [ 234.847526][ T1077] ? lock_downgrade+0x920/0x920 [ 234.852523][ T1077] ? page_writeback_cpu_online+0x20/0x20 [ 234.858166][ T1077] ? __kasan_check_read+0x11/0x20 [ 234.863355][ T1077] ? do_raw_spin_unlock+0x57/0x270 [ 234.868495][ T1077] ? _raw_spin_unlock+0x28/0x40 [ 234.873498][ T1077] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 234.879899][ T1077] ? wbc_attach_and_unlock_inode+0x5bf/0x920 [ 234.886024][ T1077] __filemap_fdatawrite_range+0x2bc/0x3b0 [ 234.891803][ T1077] ? delete_from_page_cache_batch+0xfe0/0xfe0 [ 234.897882][ T1077] ? lockdep_hardirqs_on+0x421/0x5e0 [ 234.903259][ T1077] filemap_flush+0x24/0x30 [ 234.907681][ T1077] collapse_file+0x36b1/0x41a0 [ 234.912498][ T1077] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 234.918673][ T1077] ? khugepaged+0x21c0/0x4360 [ 234.923421][ T1077] ? trace_event_raw_event_mm_collapse_huge_page_isolate+0x370/0x370 [ 234.931536][ T1077] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 234.937253][ T1077] ? khugepaged_find_target_node+0x142/0x180 [ 234.943371][ T1077] khugepaged+0x2da9/0x4360 [ 234.947889][ T1077] ? __kasan_check_read+0x11/0x20 [ 234.953108][ T1077] ? __lock_acquire+0x16f2/0x4a00 [ 234.958130][ T1077] ? _raw_spin_unlock_irq+0x23/0x80 [ 234.963489][ T1077] ? finish_task_switch+0x147/0x750 [ 234.968797][ T1077] ? _raw_spin_unlock_irq+0x23/0x80 [ 234.974291][ T1077] ? lockdep_hardirqs_on+0x421/0x5e0 [ 234.979616][ T1077] ? collapse_pte_mapped_thp+0xbe0/0xbe0 [ 234.985318][ T1077] ? lock_downgrade+0x920/0x920 [ 234.990181][ T1077] ? finish_wait+0x260/0x260 [ 234.995095][ T1077] ? lockdep_hardirqs_on+0x421/0x5e0 [ 235.000399][ T1077] ? trace_hardirqs_on+0x67/0x240 [ 235.005521][ T1077] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 235.011821][ T1077] ? __kthread_parkme+0x108/0x1c0 [ 235.016980][ T1077] ? __kasan_check_read+0x11/0x20 [ 235.022082][ T1077] kthread+0x361/0x430 [ 235.026159][ T1077] ? collapse_pte_mapped_thp+0xbe0/0xbe0 [ 235.031856][ T1077] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 235.037598][ T1077] ret_from_fork+0x24/0x30 [ 235.042176][ T1077] [ 235.042176][ T1077] Showing all locks held in the system: [ 235.049904][ T1077] 4 locks held by kworker/u4:0/7: [ 235.054984][ T1077] #0: ffff8880a8735128 ((wq_completion)writeback){+.+.}, at: process_one_work+0x88b/0x1740 [ 235.065145][ T1077] #1: ffff8880a988fdc0 ((work_completion)(&(&wb->dwork)->work)){+.+.}, at: process_one_work+0x8c1/0x1740 [ 235.076524][ T1077] #2: ffff88821588e0d8 (&type->s_umount_key#32){++++}, at: trylock_super+0x22/0x110 [ 235.086291][ T1077] #3: ffff888215890990 (&sbi->s_journal_flag_rwsem){.+.+}, at: do_writepages+0xfa/0x2a0 [ 235.096172][ T1077] 1 lock held by khungtaskd/1077: [ 235.101242][ T1077] #0: ffffffff88faba40 (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x279 [ 235.110542][ T1077] 1 lock held by khugepaged/1084: [ 235.115604][ T1077] #0: ffff888215890990 (&sbi->s_journal_flag_rwsem){.+.+}, at: do_writepages+0xfa/0x2a0 [ 235.125535][ T1077] 1 lock held by rsyslogd/8593: [ 235.130371][ T1077] #0: ffff888098e6b8e0 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 [ 235.139010][ T1077] 2 locks held by getty/8683: [ 235.143748][ T1077] #0: ffff888091425090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 235.152744][ T1077] #1: ffffc90005f252e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 235.162366][ T1077] 2 locks held by getty/8684: [ 235.167022][ T1077] #0: ffff888099aa6090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 235.176035][ T1077] #1: ffffc90005f292e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 235.185638][ T1077] 2 locks held by getty/8685: [ 235.190392][ T1077] #0: ffff88809a4b9090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 235.199377][ T1077] #1: ffffc90005f452e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 235.209131][ T1077] 2 locks held by getty/8686: [ 235.213857][ T1077] #0: ffff88809daef090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 235.222905][ T1077] #1: ffffc90005f3d2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 235.232512][ T1077] 2 locks held by getty/8687: [ 235.237200][ T1077] #0: ffff8880933ca090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 235.246210][ T1077] #1: ffffc90005f412e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 235.255817][ T1077] 2 locks held by getty/8688: [ 235.260482][ T1077] #0: ffff8880962f9090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 235.269605][ T1077] #1: ffffc90005f492e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 235.279211][ T1077] 2 locks held by getty/8689: [ 235.283942][ T1077] #0: ffff8880a7d30090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 235.292937][ T1077] #1: ffffc90005f192e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 235.302570][ T1077] 1 lock held by syz-execprog/8705: [ 235.307774][ T1077] #0: ffff8880a66e33a8 (&ei->i_mmap_sem){++++}, at: ext4_filemap_fault+0x7e/0xb2 [ 235.317049][ T1077] [ 235.319379][ T1077] ============================================= [ 235.319379][ T1077] [ 235.327861][ T1077] NMI backtrace for cpu 1 [ 235.332240][ T1077] CPU: 1 PID: 1077 Comm: khungtaskd Not tainted 5.4.0-rc5-next-20191031 #0 [ 235.341007][ T1077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 235.351088][ T1077] Call Trace: [ 235.354431][ T1077] dump_stack+0x172/0x1f0 [ 235.358770][ T1077] nmi_cpu_backtrace.cold+0x70/0xb2 [ 235.363962][ T1077] ? vprintk_func+0x86/0x189 [ 235.368561][ T1077] ? lapic_can_unplug_cpu.cold+0x3a/0x3a [ 235.374198][ T1077] nmi_trigger_cpumask_backtrace+0x23b/0x28b [ 235.380242][ T1077] arch_trigger_cpumask_backtrace+0x14/0x20 [ 235.386148][ T1077] watchdog+0xc8f/0x1350 [ 235.391374][ T1077] kthread+0x361/0x430 [ 235.395469][ T1077] ? reset_hung_task_detector+0x30/0x30 [ 235.401078][ T1077] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 235.406792][ T1077] ret_from_fork+0x24/0x30 [ 235.411314][ T1077] Sending NMI from CPU 1 to CPUs 0: [ 235.417130][ C0] NMI backtrace for cpu 0 [ 235.417135][ C0] CPU: 0 PID: 8710 Comm: syz-execprog Not tainted 5.4.0-rc5-next-20191031 #0 [ 235.417141][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 235.417144][ C0] RIP: 0010:__lock_acquire+0x1291/0x4a00 [ 235.417155][ C0] Code: 5f ee ff ff 83 fe 01 0f 87 62 ee ff ff 48 b8 00 00 00 00 00 fc ff df 41 89 f4 4b 8d 7c e6 08 48 89 fa 48 c1 ea 03 80 3c 02 00 <0f> 85 eb 26 00 00 4f 8b 64 e6 08 4d 85 e4 0f 85 6f ee ff ff e9 2c [ 235.417158][ C0] RSP: 0018:ffff888097f97810 EFLAGS: 00000046 [ 235.417165][ C0] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 235.417170][ C0] RDX: 1ffffffff15a1215 RSI: 0000000000000000 RDI: ffffffff8ad090a8 [ 235.417174][ C0] RBP: ffff888097f97928 R08: 0000000000000001 R09: 0000000000000001 [ 235.417179][ C0] R10: fffffbfff1390778 R11: ffff8880a13ac000 R12: 0000000000000000 [ 235.417183][ C0] R13: 0000000000000000 R14: ffffffff8ad090a0 R15: 0000000000000001 [ 235.417188][ C0] FS: 000000c420028ae8(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 235.417192][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 235.417197][ C0] CR2: 0000000000a96000 CR3: 0000000094d4e000 CR4: 00000000001406f0 [ 235.417201][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 235.417206][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 235.417208][ C0] Call Trace: [ 235.417211][ C0] ? mark_lock+0xc2/0x1220 [ 235.417215][ C0] ? __kasan_check_read+0x11/0x20 [ 235.417218][ C0] ? __lock_acquire+0x16f2/0x4a00 [ 235.417221][ C0] ? mark_held_locks+0xf0/0xf0 [ 235.417224][ C0] ? futex_wait+0x26a/0x5d0 [ 235.417227][ C0] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 235.417230][ C0] lock_acquire+0x190/0x410 [ 235.417234][ C0] ? debug_object_free+0x59/0x390 [ 235.417237][ C0] _raw_spin_lock_irqsave+0x95/0xcd [ 235.417240][ C0] ? debug_object_free+0x59/0x390 [ 235.417243][ C0] debug_object_free+0x59/0x390 [ 235.417247][ C0] destroy_hrtimer_on_stack+0x1d/0x30 [ 235.417249][ C0] futex_wait+0x4ec/0x5d0 [ 235.417253][ C0] ? futex_wait_setup+0x390/0x390 [ 235.417256][ C0] ? hrtimer_init_sleeper_on_stack+0xa0/0xa0 [ 235.417259][ C0] ? __kasan_check_read+0x11/0x20 [ 235.417262][ C0] ? mark_lock+0xc2/0x1220 [ 235.417266][ C0] ? __kasan_check_read+0x11/0x20 [ 235.417269][ C0] ? mark_lock+0xc2/0x1220 [ 235.417272][ C0] do_futex+0x175/0x1de0 [ 235.417275][ C0] ? __kasan_check_read+0x11/0x20 [ 235.417278][ C0] ? __lock_acquire+0x16f2/0x4a00 [ 235.417281][ C0] ? exit_robust_list+0x2c0/0x2c0 [ 235.417285][ C0] ? __x64_sys_futex+0x4c2/0x590 [ 235.417288][ C0] ? lock_downgrade+0x920/0x920 [ 235.417291][ C0] ? ktime_get+0x100/0x2f0 [ 235.417294][ C0] ? __x64_sys_futex+0x4c2/0x590 [ 235.417297][ C0] ? ktime_get+0x100/0x2f0 [ 235.417300][ C0] ? lockdep_hardirqs_on+0x421/0x5e0 [ 235.417304][ C0] ? trace_hardirqs_on+0x67/0x240 [ 235.417307][ C0] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 235.417310][ C0] ? ktime_get+0x1fd/0x2f0 [ 235.417313][ C0] __x64_sys_futex+0x3f7/0x590 [ 235.417316][ C0] ? do_futex+0x1de0/0x1de0 [ 235.417319][ C0] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 235.417322][ C0] ? do_syscall_64+0x26/0x760 [ 235.417326][ C0] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 235.417329][ C0] ? do_syscall_64+0x26/0x760 [ 235.417333][ C0] ? lockdep_hardirqs_on+0x421/0x5e0 [ 235.417336][ C0] ? trace_hardirqs_on+0x67/0x240 [ 235.417339][ C0] do_syscall_64+0xfa/0x760 [ 235.417343][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 235.417345][ C0] RIP: 0033:0x459043 [ 235.417355][ C0] Code: cc cc cc cc cc cc cc 48 8b 7c 24 08 8b 74 24 10 8b 54 24 14 4c 8b 54 24 18 4c 8b 44 24 20 44 8b 4c 24 28 b8 ca 00 00 00 0f 05 <89> 44 24 30 c3 cc cc cc cc cc cc cc cc 8b 7c 24 08 48 8b 74 24 10 [ 235.417358][ C0] RSP: 002b:000000c4200c7ea8 EFLAGS: 00000206 ORIG_RAX: 00000000000000ca [ 235.417366][ C0] RAX: ffffffffffffffda RBX: 00000000000186a0 RCX: 0000000000459043 [ 235.417370][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014f3528 [ 235.417375][ C0] RBP: 000000c4200c7ef0 R08: 0000000000000000 R09: 0000000000000000 [ 235.417379][ C0] R10: 000000c4200c7ee0 R11: 0000000000000206 R12: 00000000000000a0 [ 235.417384][ C0] R13: 00000000000000ff R14: 00007febb23e66c8 R15: 0000000000000004 [ 235.417593][ T1077] Kernel panic - not syncing: hung_task: blocked tasks [ 235.843214][ T1077] CPU: 1 PID: 1077 Comm: khungtaskd Not tainted 5.4.0-rc5-next-20191031 #0 [ 235.851787][ T1077] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 235.861850][ T1077] Call Trace: [ 235.865139][ T1077] dump_stack+0x172/0x1f0 [ 235.869676][ T1077] panic+0x2e3/0x75c [ 235.873561][ T1077] ? add_taint.cold+0x16/0x16 [ 235.878232][ T1077] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 235.883942][ T1077] ? printk_safe_flush+0xf2/0x140 [ 235.888965][ T1077] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 235.895251][ T1077] ? nmi_trigger_cpumask_backtrace+0x224/0x28b [ 235.901400][ T1077] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 235.907547][ T1077] watchdog+0xca0/0x1350 [ 235.911793][ T1077] kthread+0x361/0x430 [ 235.915852][ T1077] ? reset_hung_task_detector+0x30/0x30 [ 235.921387][ T1077] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 235.927095][ T1077] ret_from_fork+0x24/0x30 [ 235.933046][ T1077] Kernel Offset: disabled [ 235.937403][ T1077] Rebooting in 86400 seconds..