[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 85.819595][ T28] audit: type=1800 audit(1578822817.604:25): pid=9358 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 85.842870][ T28] audit: type=1800 audit(1578822817.604:26): pid=9358 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 85.887934][ T28] audit: type=1800 audit(1578822817.614:27): pid=9358 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] 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 '10.128.0.78' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 809.600170][ T9513] xt_SECMARK: only valid in 'mangle' or 'security' table, not 'raw' [ 809.602016][ T9520] xt_SECMARK: only valid in 'mangle' or 'security' table, not 'raw' [ 809.610233][ T9519] xt_SECMARK: only valid in 'mangle' or 'security' table, not 'raw' [ 809.620929][ T9524] xt_SECMARK: only valid in 'mangle' or 'security' table, not 'raw' [ 809.625105][ T9522] xt_SECMARK: only valid in 'mangle' or 'security' table, not 'raw' [ 809.632508][ T9521] xt_SECMARK: only valid in 'mangle' or 'security' table, not 'raw' executing program executing program executing program executing program executing program [ 809.651552][ T9525] xt_SECMARK: only valid in 'mangle' or 'security' table, not 'raw' [ 809.660612][ T9523] xt_SECMARK: only valid in 'mangle' or 'security' table, not 'raw' [ 961.327993][ T1110] INFO: task syz-executor452:9524 blocked for more than 143 seconds. [ 961.336447][ T1110] Not tainted 5.5.0-rc5-syzkaller #0 [ 961.343171][ T1110] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 961.352129][ T1110] syz-executor452 D28160 9524 9511 0x00004004 [ 961.358682][ T1110] Call Trace: [ 961.362150][ T1110] __schedule+0x934/0x1f90 [ 961.366587][ T1110] ? __sched_text_start+0x8/0x8 [ 961.371702][ T1110] ? __lock_acquire+0x29c9/0x4a00 [ 961.376761][ T1110] schedule+0xdc/0x2b0 [ 961.381009][ T1110] schedule_timeout+0x717/0xc50 [ 961.385939][ T1110] ? __kasan_check_read+0x11/0x20 [ 961.391158][ T1110] ? usleep_range+0x170/0x170 [ 961.395857][ T1110] ? mark_held_locks+0xa4/0xf0 [ 961.400799][ T1110] ? _raw_spin_unlock_irq+0x23/0x80 [ 961.406158][ T1110] ? wait_for_completion+0x294/0x440 [ 961.411898][ T1110] ? _raw_spin_unlock_irq+0x23/0x80 [ 961.417251][ T1110] ? lockdep_hardirqs_on+0x421/0x5e0 [ 961.422838][ T1110] ? trace_hardirqs_on+0x67/0x240 [ 961.428118][ T1110] wait_for_completion+0x29c/0x440 [ 961.433264][ T1110] ? wait_for_completion_interruptible+0x470/0x470 [ 961.440170][ T1110] ? wake_up_q+0x140/0x140 [ 961.444764][ T1110] ? __rcu_read_unlock+0x224/0x710 [ 961.450102][ T1110] ? __kasan_check_read+0x11/0x20 [ 961.455186][ T1110] __flush_work+0x4fe/0xa50 [ 961.459884][ T1110] ? queue_delayed_work_on+0x210/0x210 [ 961.465372][ T1110] ? init_pwq+0x360/0x360 [ 961.469913][ T1110] ? __cancel_work_timer+0xc4/0x540 [ 961.475126][ T1110] ? __cancel_work_timer+0x1e0/0x540 [ 961.480582][ T1110] ? cancel_delayed_work_sync+0x1b/0x20 [ 961.486161][ T1110] ? __cancel_work_timer+0x1e0/0x540 [ 961.491637][ T1110] ? lockdep_hardirqs_on+0x421/0x5e0 [ 961.496939][ T1110] ? trace_hardirqs_on+0x67/0x240 [ 961.502137][ T1110] __cancel_work_timer+0x3d9/0x540 [ 961.507264][ T1110] ? mutex_trylock+0x2d0/0x2d0 [ 961.512231][ T1110] ? mod_delayed_work_on+0x200/0x200 [ 961.517535][ T1110] ? mutex_unlock+0xd/0x10 [ 961.522171][ T1110] ? xt_find_target+0x73/0x280 [ 961.527011][ T1110] ? cleanup_match+0x10b/0x170 [ 961.531983][ T1110] cancel_delayed_work_sync+0x1b/0x20 [ 961.537403][ T1110] htable_put+0x15f/0x220 [ 961.541896][ T1110] ? hashlimit_mt_destroy+0x70/0x70 [ 961.547108][ T1110] hashlimit_mt_destroy_v2+0x56/0x70 [ 961.552743][ T1110] cleanup_match+0xde/0x170 [ 961.557375][ T1110] ? icmp6_checkentry+0xa0/0xa0 [ 961.562400][ T1110] cleanup_entry+0xf5/0x2a0 [ 961.566916][ T1110] ? cleanup_match+0x170/0x170 [ 961.571923][ T1110] ? kvfree+0x61/0x70 [ 961.576094][ T1110] translate_table+0xdeb/0x1860 [ 961.581148][ T1110] ? compat_do_ip6t_get_ctl+0x9a0/0x9a0 [ 961.586766][ T1110] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 961.593276][ T1110] ? _copy_from_user+0x12c/0x1a0 [ 961.598423][ T1110] do_ip6t_set_ctl+0x2fe/0x4c8 [ 961.603205][ T1110] ? compat_do_ip6t_set_ctl+0x170/0x170 [ 961.608955][ T1110] ? mutex_unlock+0xd/0x10 [ 961.613459][ T1110] ? nf_sockopt_find.constprop.0+0x226/0x290 [ 961.619611][ T1110] nf_setsockopt+0x77/0xd0 [ 961.624091][ T1110] ipv6_setsockopt+0x13e/0x170 [ 961.629082][ T1110] tcp_setsockopt+0x8f/0xe0 [ 961.633619][ T1110] sock_common_setsockopt+0x94/0xd0 [ 961.639174][ T1110] __sys_setsockopt+0x261/0x4c0 [ 961.644073][ T1110] ? sock_create_kern+0x50/0x50 [ 961.649122][ T1110] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 961.654684][ T1110] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 961.661175][ T1110] ? handle_mm_fault+0x4ab/0xa50 [ 961.666169][ T1110] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 961.671837][ T1110] ? do_syscall_64+0x26/0x790 [ 961.676570][ T1110] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 961.682808][ T1110] ? do_syscall_64+0x26/0x790 [ 961.687518][ T1110] __x64_sys_setsockopt+0xbe/0x150 [ 961.692834][ T1110] do_syscall_64+0xfa/0x790 [ 961.697358][ T1110] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 961.703427][ T1110] RIP: 0033:0x442219 [ 961.707336][ T1110] Code: 74 69 2d 74 68 72 65 61 64 20 73 6f 75 72 63 65 73 20 68 61 76 65 20 62 65 65 6e 20 74 65 72 6d 69 6e 61 74 65 64 20 2d 20 6e <6f> 77 20 64 6f 69 6e 67 20 61 75 78 20 63 6c 65 61 6e 75 70 2e 2e [ 961.727157][ T1110] RSP: 002b:00007ffec72f4e28 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 961.735726][ T1110] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000442219 [ 961.743883][ T1110] RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 [ 961.751996][ T1110] RBP: 00000000000c435d R08: 0000000000000568 R09: 00000009004002c8 [ 961.760314][ T1110] R10: 0000000020000000 R11: 0000000000000246 R12: 0000000000402f90 [ 961.768566][ T1110] R13: 0000000000403020 R14: 0000000000000000 R15: 0000000000000000 [ 961.776591][ T1110] INFO: task syz-executor452:9526 blocked for more than 143 seconds. [ 961.784889][ T1110] Not tainted 5.5.0-rc5-syzkaller #0 [ 961.790834][ T1110] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 961.799680][ T1110] syz-executor452 D28160 9526 9516 0x00000004 [ 961.806026][ T1110] Call Trace: [ 961.809496][ T1110] __schedule+0x934/0x1f90 [ 961.814178][ T1110] ? __sched_text_start+0x8/0x8 [ 961.819509][ T1110] ? lock_downgrade+0x920/0x920 [ 961.824440][ T1110] ? rwlock_bug.part.0+0x90/0x90 [ 961.829580][ T1110] schedule+0xdc/0x2b0 [ 961.833671][ T1110] schedule_preempt_disabled+0x13/0x20 [ 961.839333][ T1110] __mutex_lock+0x7ab/0x13c0 [ 961.843973][ T1110] ? hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 961.850652][ T1110] ? mutex_trylock+0x2d0/0x2d0 [ 961.855443][ T1110] ? mark_held_locks+0xf0/0xf0 [ 961.860413][ T1110] mutex_lock_nested+0x16/0x20 [ 961.865193][ T1110] ? mutex_lock_nested+0x16/0x20 [ 961.870289][ T1110] hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 961.876735][ T1110] hashlimit_mt_check_v2+0x327/0x3b0 [ 961.882221][ T1110] ? __mutex_lock+0x458/0x13c0 [ 961.887004][ T1110] ? hashlimit_mt_check+0xd0/0xd0 [ 961.892181][ T1110] ? lock_downgrade+0x920/0x920 [ 961.897049][ T1110] ? mutex_trylock+0x2d0/0x2d0 [ 961.902010][ T1110] ? hashlimit_mt_check+0xd0/0xd0 [ 961.907049][ T1110] xt_check_match+0x280/0x690 [ 961.911904][ T1110] ? xt_check_target+0x690/0x690 [ 961.916868][ T1110] ? mutex_unlock+0xd/0x10 [ 961.921473][ T1110] ? xt_find_match+0x73/0x280 [ 961.926169][ T1110] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 961.932580][ T1110] find_check_entry.isra.0+0x389/0x9d0 [ 961.938365][ T1110] ? __do_replace+0x950/0x950 [ 961.943155][ T1110] ? lockdep_hardirqs_on+0x421/0x5e0 [ 961.948598][ T1110] ? trace_hardirqs_on+0x67/0x240 [ 961.953639][ T1110] ? kvfree+0x61/0x70 [ 961.957637][ T1110] translate_table+0xd15/0x1860 [ 961.962741][ T1110] ? compat_do_ip6t_get_ctl+0x9a0/0x9a0 [ 961.968651][ T1110] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 961.974907][ T1110] ? _copy_from_user+0x12c/0x1a0 [ 961.980245][ T1110] do_ip6t_set_ctl+0x2fe/0x4c8 [ 961.985138][ T1110] ? compat_do_ip6t_set_ctl+0x170/0x170 [ 961.991087][ T1110] ? mutex_unlock+0xd/0x10 [ 961.995523][ T1110] ? nf_sockopt_find.constprop.0+0x226/0x290 [ 962.001777][ T1110] nf_setsockopt+0x77/0xd0 [ 962.006222][ T1110] ipv6_setsockopt+0x13e/0x170 [ 962.011172][ T1110] tcp_setsockopt+0x8f/0xe0 [ 962.015701][ T1110] sock_common_setsockopt+0x94/0xd0 [ 962.021161][ T1110] __sys_setsockopt+0x261/0x4c0 [ 962.026037][ T1110] ? sock_create_kern+0x50/0x50 [ 962.031121][ T1110] ? down_read_non_owner+0x490/0x490 [ 962.036430][ T1110] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 962.042877][ T1110] ? handle_mm_fault+0x4ab/0xa50 [ 962.048106][ T1110] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 962.053578][ T1110] ? do_syscall_64+0x26/0x790 [ 962.058449][ T1110] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 962.064527][ T1110] ? do_syscall_64+0x26/0x790 [ 962.069371][ T1110] __x64_sys_setsockopt+0xbe/0x150 [ 962.074500][ T1110] do_syscall_64+0xfa/0x790 [ 962.079207][ T1110] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 962.085111][ T1110] RIP: 0033:0x442219 [ 962.089348][ T1110] Code: 74 69 2d 74 68 72 65 61 64 20 73 6f 75 72 63 65 73 20 68 61 76 65 20 62 65 65 6e 20 74 65 72 6d 69 6e 61 74 65 64 20 2d 20 6e <6f> 77 20 64 6f 69 6e 67 20 61 75 78 20 63 6c 65 61 6e 75 70 2e 2e [ 962.109212][ T1110] RSP: 002b:00007ffec72f4e28 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 962.118131][ T1110] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000442219 [ 962.126168][ T1110] RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 [ 962.134395][ T1110] RBP: 00000000000c4360 R08: 0000000000000568 R09: 00000009004002c8 [ 962.142543][ T1110] R10: 0000000020000000 R11: 0000000000000246 R12: 0000000000402f90 [ 962.150850][ T1110] R13: 0000000000403020 R14: 0000000000000000 R15: 0000000000000000 [ 962.158997][ T1110] INFO: task syz-executor452:9527 blocked for more than 144 seconds. [ 962.167066][ T1110] Not tainted 5.5.0-rc5-syzkaller #0 [ 962.173054][ T1110] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 962.182114][ T1110] syz-executor452 D28160 9527 9515 0x00000004 [ 962.188616][ T1110] Call Trace: [ 962.191928][ T1110] __schedule+0x934/0x1f90 [ 962.196359][ T1110] ? __sched_text_start+0x8/0x8 [ 962.201395][ T1110] ? lock_downgrade+0x920/0x920 [ 962.206258][ T1110] ? rwlock_bug.part.0+0x90/0x90 [ 962.211394][ T1110] schedule+0xdc/0x2b0 [ 962.215584][ T1110] schedule_preempt_disabled+0x13/0x20 [ 962.221224][ T1110] __mutex_lock+0x7ab/0x13c0 [ 962.226001][ T1110] ? hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 962.232730][ T1110] ? mutex_trylock+0x2d0/0x2d0 [ 962.237517][ T1110] ? mark_held_locks+0xf0/0xf0 [ 962.242466][ T1110] mutex_lock_nested+0x16/0x20 [ 962.247244][ T1110] ? mutex_lock_nested+0x16/0x20 [ 962.252588][ T1110] hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 962.259349][ T1110] hashlimit_mt_check_v2+0x327/0x3b0 [ 962.264820][ T1110] ? __mutex_lock+0x458/0x13c0 [ 962.269832][ T1110] ? hashlimit_mt_check+0xd0/0xd0 [ 962.274969][ T1110] ? lock_downgrade+0x920/0x920 [ 962.280193][ T1110] ? mutex_trylock+0x2d0/0x2d0 [ 962.284977][ T1110] ? hashlimit_mt_check+0xd0/0xd0 [ 962.290255][ T1110] xt_check_match+0x280/0x690 [ 962.295035][ T1110] ? xt_check_target+0x690/0x690 [ 962.300181][ T1110] ? mutex_unlock+0xd/0x10 [ 962.304609][ T1110] ? xt_find_match+0x73/0x280 [ 962.309616][ T1110] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 962.315878][ T1110] find_check_entry.isra.0+0x389/0x9d0 [ 962.321514][ T1110] ? __do_replace+0x950/0x950 [ 962.326215][ T1110] ? lockdep_hardirqs_on+0x421/0x5e0 [ 962.331720][ T1110] ? trace_hardirqs_on+0x67/0x240 [ 962.336846][ T1110] ? kvfree+0x61/0x70 [ 962.341008][ T1110] translate_table+0xd15/0x1860 [ 962.345896][ T1110] ? compat_do_ip6t_get_ctl+0x9a0/0x9a0 [ 962.351895][ T1110] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 962.358344][ T1110] ? _copy_from_user+0x12c/0x1a0 [ 962.363826][ T1110] do_ip6t_set_ctl+0x2fe/0x4c8 [ 962.368885][ T1110] ? compat_do_ip6t_set_ctl+0x170/0x170 [ 962.374458][ T1110] ? mutex_unlock+0xd/0x10 [ 962.379044][ T1110] ? nf_sockopt_find.constprop.0+0x226/0x290 [ 962.385132][ T1110] nf_setsockopt+0x77/0xd0 [ 962.389917][ T1110] ipv6_setsockopt+0x13e/0x170 [ 962.394702][ T1110] tcp_setsockopt+0x8f/0xe0 [ 962.399382][ T1110] sock_common_setsockopt+0x94/0xd0 [ 962.404595][ T1110] __sys_setsockopt+0x261/0x4c0 [ 962.409835][ T1110] ? sock_create_kern+0x50/0x50 [ 962.414977][ T1110] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 962.420730][ T1110] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 962.427211][ T1110] ? handle_mm_fault+0x4ab/0xa50 [ 962.432391][ T1110] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 962.438002][ T1110] ? do_syscall_64+0x26/0x790 [ 962.442785][ T1110] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 962.449150][ T1110] ? do_syscall_64+0x26/0x790 [ 962.453942][ T1110] __x64_sys_setsockopt+0xbe/0x150 [ 962.459281][ T1110] do_syscall_64+0xfa/0x790 [ 962.463806][ T1110] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 962.469895][ T1110] RIP: 0033:0x442219 [ 962.473804][ T1110] Code: 74 69 2d 74 68 72 65 61 64 20 73 6f 75 72 63 65 73 20 68 61 76 65 20 62 65 65 6e 20 74 65 72 6d 69 6e 61 74 65 64 20 2d 20 6e <6f> 77 20 64 6f 69 6e 67 20 61 75 78 20 63 6c 65 61 6e 75 70 2e 2e [ 962.493852][ T1110] RSP: 002b:00007ffec72f4e28 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 962.502671][ T1110] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000442219 [ 962.511202][ T1110] RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 [ 962.519363][ T1110] RBP: 00000000000c4363 R08: 0000000000000568 R09: 00000009004002c8 [ 962.527353][ T1110] R10: 0000000020000000 R11: 0000000000000246 R12: 0000000000402f90 [ 962.536025][ T1110] R13: 0000000000403020 R14: 0000000000000000 R15: 0000000000000000 [ 962.544236][ T1110] INFO: task syz-executor452:9528 blocked for more than 144 seconds. [ 962.552472][ T1110] Not tainted 5.5.0-rc5-syzkaller #0 [ 962.558554][ T1110] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 962.567250][ T1110] syz-executor452 D27368 9528 9512 0x00000004 [ 962.573785][ T1110] Call Trace: [ 962.577247][ T1110] __schedule+0x934/0x1f90 [ 962.581902][ T1110] ? __sched_text_start+0x8/0x8 [ 962.586770][ T1110] ? lock_downgrade+0x920/0x920 [ 962.591835][ T1110] ? rwlock_bug.part.0+0x90/0x90 [ 962.596798][ T1110] schedule+0xdc/0x2b0 [ 962.601250][ T1110] schedule_preempt_disabled+0x13/0x20 [ 962.606724][ T1110] __mutex_lock+0x7ab/0x13c0 [ 962.611527][ T1110] ? hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 962.618295][ T1110] ? mutex_trylock+0x2d0/0x2d0 [ 962.623095][ T1110] ? mark_held_locks+0xf0/0xf0 [ 962.628097][ T1110] mutex_lock_nested+0x16/0x20 [ 962.632885][ T1110] ? mutex_lock_nested+0x16/0x20 [ 962.637998][ T1110] hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 962.644529][ T1110] hashlimit_mt_check_v2+0x327/0x3b0 [ 962.650015][ T1110] ? __mutex_lock+0x458/0x13c0 [ 962.654822][ T1110] ? hashlimit_mt_check+0xd0/0xd0 [ 962.660026][ T1110] ? lock_downgrade+0x920/0x920 [ 962.664898][ T1110] ? mutex_trylock+0x2d0/0x2d0 [ 962.669847][ T1110] ? hashlimit_mt_check+0xd0/0xd0 [ 962.674889][ T1110] xt_check_match+0x280/0x690 [ 962.679946][ T1110] ? xt_check_target+0x690/0x690 [ 962.684917][ T1110] ? mutex_unlock+0xd/0x10 [ 962.689514][ T1110] ? xt_find_match+0x73/0x280 [ 962.694226][ T1110] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 962.700655][ T1110] find_check_entry.isra.0+0x389/0x9d0 [ 962.706136][ T1110] ? __do_replace+0x950/0x950 [ 962.711001][ T1110] ? lockdep_hardirqs_on+0x421/0x5e0 [ 962.716300][ T1110] ? trace_hardirqs_on+0x67/0x240 [ 962.721514][ T1110] ? kvfree+0x61/0x70 [ 962.725522][ T1110] translate_table+0xd15/0x1860 [ 962.730911][ T1110] ? compat_do_ip6t_get_ctl+0x9a0/0x9a0 [ 962.736482][ T1110] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 962.742917][ T1110] ? _copy_from_user+0x12c/0x1a0 [ 962.748029][ T1110] do_ip6t_set_ctl+0x2fe/0x4c8 [ 962.752809][ T1110] ? compat_do_ip6t_set_ctl+0x170/0x170 [ 962.758542][ T1110] ? mutex_unlock+0xd/0x10 [ 962.762975][ T1110] ? nf_sockopt_find.constprop.0+0x226/0x290 [ 962.769144][ T1110] nf_setsockopt+0x77/0xd0 [ 962.773582][ T1110] ipv6_setsockopt+0x13e/0x170 [ 962.778524][ T1110] tcp_setsockopt+0x8f/0xe0 [ 962.783045][ T1110] sock_common_setsockopt+0x94/0xd0 [ 962.788432][ T1110] __sys_setsockopt+0x261/0x4c0 [ 962.793302][ T1110] ? sock_create_kern+0x50/0x50 [ 962.798369][ T1110] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 962.803930][ T1110] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 962.810522][ T1110] ? handle_mm_fault+0x4ab/0xa50 [ 962.815477][ T1110] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 962.821117][ T1110] ? do_syscall_64+0x26/0x790 [ 962.825886][ T1110] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 962.832181][ T1110] ? do_syscall_64+0x26/0x790 [ 962.836874][ T1110] __x64_sys_setsockopt+0xbe/0x150 [ 962.842182][ T1110] do_syscall_64+0xfa/0x790 [ 962.846703][ T1110] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 962.852789][ T1110] RIP: 0033:0x442219 [ 962.856695][ T1110] Code: 74 69 2d 74 68 72 65 61 64 20 73 6f 75 72 63 65 73 20 68 61 76 65 20 62 65 65 6e 20 74 65 72 6d 69 6e 61 74 65 64 20 2d 20 6e <6f> 77 20 64 6f 69 6e 67 20 61 75 78 20 63 6c 65 61 6e 75 70 2e 2e [ 962.876790][ T1110] RSP: 002b:00007ffec72f4e28 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 962.885439][ T1110] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000442219 [ 962.893799][ T1110] RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 [ 962.901937][ T1110] RBP: 00000000000c4362 R08: 0000000000000568 R09: 00000009004002c8 [ 962.910107][ T1110] R10: 0000000020000000 R11: 0000000000000246 R12: 0000000000402f90 [ 962.918240][ T1110] R13: 0000000000403020 R14: 0000000000000000 R15: 0000000000000000 [ 962.926249][ T1110] INFO: task syz-executor452:9529 blocked for more than 144 seconds. [ 962.934538][ T1110] Not tainted 5.5.0-rc5-syzkaller #0 [ 962.940468][ T1110] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 962.949286][ T1110] syz-executor452 D28160 9529 9514 0x00000004 [ 962.955626][ T1110] Call Trace: [ 962.959076][ T1110] __schedule+0x934/0x1f90 [ 962.963503][ T1110] ? __sched_text_start+0x8/0x8 [ 962.968530][ T1110] ? lock_downgrade+0x920/0x920 [ 962.973389][ T1110] ? rwlock_bug.part.0+0x90/0x90 [ 962.978482][ T1110] schedule+0xdc/0x2b0 [ 962.982559][ T1110] schedule_preempt_disabled+0x13/0x20 [ 962.988193][ T1110] __mutex_lock+0x7ab/0x13c0 [ 962.992793][ T1110] ? hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 962.999441][ T1110] ? mutex_trylock+0x2d0/0x2d0 [ 963.004220][ T1110] ? mark_held_locks+0xf0/0xf0 [ 963.009220][ T1110] mutex_lock_nested+0x16/0x20 [ 963.013995][ T1110] ? mutex_lock_nested+0x16/0x20 [ 963.019246][ T1110] hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 963.025581][ T1110] hashlimit_mt_check_v2+0x327/0x3b0 [ 963.031053][ T1110] ? __mutex_lock+0x458/0x13c0 [ 963.035823][ T1110] ? hashlimit_mt_check+0xd0/0xd0 [ 963.040988][ T1110] ? lock_downgrade+0x920/0x920 [ 963.045865][ T1110] ? mutex_trylock+0x2d0/0x2d0 [ 963.050889][ T1110] ? hashlimit_mt_check+0xd0/0xd0 [ 963.055935][ T1110] xt_check_match+0x280/0x690 [ 963.060819][ T1110] ? xt_check_target+0x690/0x690 [ 963.065778][ T1110] ? mutex_unlock+0xd/0x10 [ 963.070396][ T1110] ? xt_find_match+0x73/0x280 [ 963.075087][ T1110] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 963.081508][ T1110] find_check_entry.isra.0+0x389/0x9d0 [ 963.086984][ T1110] ? __do_replace+0x950/0x950 [ 963.091854][ T1110] ? lockdep_hardirqs_on+0x421/0x5e0 [ 963.097150][ T1110] ? trace_hardirqs_on+0x67/0x240 [ 963.102338][ T1110] ? kvfree+0x61/0x70 [ 963.106335][ T1110] translate_table+0xd15/0x1860 [ 963.111467][ T1110] ? compat_do_ip6t_get_ctl+0x9a0/0x9a0 [ 963.117028][ T1110] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 963.123422][ T1110] ? _copy_from_user+0x12c/0x1a0 [ 963.128626][ T1110] do_ip6t_set_ctl+0x2fe/0x4c8 [ 963.133396][ T1110] ? compat_do_ip6t_set_ctl+0x170/0x170 [ 963.139100][ T1110] ? mutex_unlock+0xd/0x10 [ 963.143523][ T1110] ? nf_sockopt_find.constprop.0+0x226/0x290 [ 963.149681][ T1110] nf_setsockopt+0x77/0xd0 [ 963.154105][ T1110] ipv6_setsockopt+0x13e/0x170 [ 963.159016][ T1110] tcp_setsockopt+0x8f/0xe0 [ 963.163529][ T1110] sock_common_setsockopt+0x94/0xd0 [ 963.168969][ T1110] __sys_setsockopt+0x261/0x4c0 [ 963.173846][ T1110] ? sock_create_kern+0x50/0x50 [ 963.178906][ T1110] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 963.184463][ T1110] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 963.190910][ T1110] ? handle_mm_fault+0x4ab/0xa50 [ 963.195864][ T1110] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 963.201494][ T1110] ? do_syscall_64+0x26/0x790 [ 963.206177][ T1110] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 963.212436][ T1110] ? do_syscall_64+0x26/0x790 [ 963.217130][ T1110] __x64_sys_setsockopt+0xbe/0x150 [ 963.222403][ T1110] do_syscall_64+0xfa/0x790 [ 963.226919][ T1110] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 963.233174][ T1110] RIP: 0033:0x442219 [ 963.237074][ T1110] Code: 74 69 2d 74 68 72 65 61 64 20 73 6f 75 72 63 65 73 20 68 61 76 65 20 62 65 65 6e 20 74 65 72 6d 69 6e 61 74 65 64 20 2d 20 6e <6f> 77 20 64 6f 69 6e 67 20 61 75 78 20 63 6c 65 61 6e 75 70 2e 2e [ 963.256882][ T1110] RSP: 002b:00007ffec72f4e28 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 963.265437][ T1110] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000442219 [ 963.273558][ T1110] RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 [ 963.281673][ T1110] RBP: 00000000000c5a72 R08: 0000000000000568 R09: 00000000004002c8 [ 963.289787][ T1110] R10: 0000000020000000 R11: 0000000000000246 R12: 0000000000402f90 [ 963.297890][ T1110] R13: 0000000000403020 R14: 0000000000000000 R15: 0000000000000000 [ 963.305889][ T1110] INFO: task syz-executor452:9530 blocked for more than 145 seconds. [ 963.314115][ T1110] Not tainted 5.5.0-rc5-syzkaller #0 [ 963.320149][ T1110] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 963.329057][ T1110] syz-executor452 D27776 9530 9517 0x00000004 [ 963.335402][ T1110] Call Trace: [ 963.338879][ T1110] __schedule+0x934/0x1f90 [ 963.343313][ T1110] ? __sched_text_start+0x8/0x8 [ 963.348342][ T1110] ? lock_downgrade+0x920/0x920 [ 963.353198][ T1110] ? rwlock_bug.part.0+0x90/0x90 [ 963.358311][ T1110] schedule+0xdc/0x2b0 [ 963.362393][ T1110] schedule_preempt_disabled+0x13/0x20 [ 963.368020][ T1110] __mutex_lock+0x7ab/0x13c0 [ 963.372643][ T1110] ? hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 963.379339][ T1110] ? mutex_trylock+0x2d0/0x2d0 [ 963.384121][ T1110] ? mark_held_locks+0xf0/0xf0 [ 963.389063][ T1110] mutex_lock_nested+0x16/0x20 [ 963.393831][ T1110] ? mutex_lock_nested+0x16/0x20 [ 963.398931][ T1110] hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 963.405361][ T1110] hashlimit_mt_check_v2+0x327/0x3b0 [ 963.410812][ T1110] ? __mutex_lock+0x458/0x13c0 [ 963.415595][ T1110] ? hashlimit_mt_check+0xd0/0xd0 [ 963.420828][ T1110] ? lock_downgrade+0x920/0x920 [ 963.425699][ T1110] ? mutex_trylock+0x2d0/0x2d0 [ 963.430685][ T1110] ? hashlimit_mt_check+0xd0/0xd0 [ 963.435718][ T1110] xt_check_match+0x280/0x690 [ 963.440741][ T1110] ? xt_check_target+0x690/0x690 [ 963.445693][ T1110] ? mutex_unlock+0xd/0x10 [ 963.450283][ T1110] ? xt_find_match+0x73/0x280 [ 963.454980][ T1110] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 963.461400][ T1110] find_check_entry.isra.0+0x389/0x9d0 [ 963.466875][ T1110] ? __do_replace+0x950/0x950 [ 963.471725][ T1110] ? lockdep_hardirqs_on+0x421/0x5e0 [ 963.477016][ T1110] ? trace_hardirqs_on+0x67/0x240 [ 963.482207][ T1110] ? kvfree+0x61/0x70 [ 963.486201][ T1110] translate_table+0xd15/0x1860 [ 963.491237][ T1110] ? compat_do_ip6t_get_ctl+0x9a0/0x9a0 [ 963.496788][ T1110] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 963.503266][ T1110] ? _copy_from_user+0x12c/0x1a0 [ 963.508390][ T1110] do_ip6t_set_ctl+0x2fe/0x4c8 [ 963.513165][ T1110] ? compat_do_ip6t_set_ctl+0x170/0x170 [ 963.518895][ T1110] ? mutex_unlock+0xd/0x10 [ 963.523320][ T1110] ? nf_sockopt_find.constprop.0+0x226/0x290 [ 963.529495][ T1110] nf_setsockopt+0x77/0xd0 [ 963.533922][ T1110] ipv6_setsockopt+0x13e/0x170 [ 963.538852][ T1110] tcp_setsockopt+0x8f/0xe0 [ 963.543365][ T1110] sock_common_setsockopt+0x94/0xd0 [ 963.548741][ T1110] __sys_setsockopt+0x261/0x4c0 [ 963.553596][ T1110] ? sock_create_kern+0x50/0x50 [ 963.558598][ T1110] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 963.564151][ T1110] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 963.570615][ T1110] ? handle_mm_fault+0x4ab/0xa50 [ 963.575579][ T1110] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 963.581255][ T1110] ? do_syscall_64+0x26/0x790 [ 963.585942][ T1110] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 963.592199][ T1110] ? do_syscall_64+0x26/0x790 [ 963.596888][ T1110] __x64_sys_setsockopt+0xbe/0x150 [ 963.602252][ T1110] do_syscall_64+0xfa/0x790 [ 963.606768][ T1110] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 963.612836][ T1110] RIP: 0033:0x442219 [ 963.616731][ T1110] Code: 74 69 2d 74 68 72 65 61 64 20 73 6f 75 72 63 65 73 20 68 61 76 65 20 62 65 65 6e 20 74 65 72 6d 69 6e 61 74 65 64 20 2d 20 6e <6f> 77 20 64 6f 69 6e 67 20 61 75 78 20 63 6c 65 61 6e 75 70 2e 2e [ 963.636561][ T1110] RSP: 002b:00007ffec72f4e28 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 963.645114][ T1110] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000442219 [ 963.653418][ T1110] RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 [ 963.661611][ T1110] RBP: 00000000000c5a68 R08: 0000000000000568 R09: 00000000004002c8 [ 963.669738][ T1110] R10: 0000000020000000 R11: 0000000000000246 R12: 0000000000402f90 [ 963.677715][ T1110] R13: 0000000000403020 R14: 0000000000000000 R15: 0000000000000000 [ 963.685858][ T1110] [ 963.685858][ T1110] Showing all locks held in the system: [ 963.693743][ T1110] 1 lock held by khungtaskd/1110: [ 963.698901][ T1110] #0: ffffffff899a3f00 (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x279 [ 963.708384][ T1110] 2 locks held by kworker/0:59/2824: [ 963.713685][ T1110] 1 lock held by rsyslogd/9396: [ 963.718676][ T1110] #0: ffff8880a7cf6360 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 [ 963.727370][ T1110] 2 locks held by getty/9486: [ 963.732243][ T1110] #0: ffff888098614090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 963.741327][ T1110] #1: ffffc9000186b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 963.751122][ T1110] 2 locks held by getty/9487: [ 963.755788][ T1110] #0: ffff888098381090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 963.764887][ T1110] #1: ffffc900018ab2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 963.774616][ T1110] 2 locks held by getty/9488: [ 963.779410][ T1110] #0: ffff8880984ea090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 963.788508][ T1110] #1: ffffc9000188b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 963.798210][ T1110] 2 locks held by getty/9489: [ 963.802883][ T1110] #0: ffff8880977f5090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 963.812000][ T1110] #1: ffffc9000189b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 963.821698][ T1110] 2 locks held by getty/9490: [ 963.826382][ T1110] #0: ffff8880a89fc090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 963.835529][ T1110] #1: ffffc900018cb2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 963.845232][ T1110] 2 locks held by getty/9491: [ 963.850055][ T1110] #0: ffff8880977f6090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 963.859299][ T1110] #1: ffffc900018bb2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 963.869023][ T1110] 2 locks held by getty/9492: [ 963.873692][ T1110] #0: ffff888098570090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 963.882795][ T1110] #1: ffffc9000180b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 963.892519][ T1110] 1 lock held by syz-executor452/9524: [ 963.898117][ T1110] #0: ffffffff8a550000 (hashlimit_mutex){+.+.}, at: htable_put+0x21/0x220 [ 963.906750][ T1110] 1 lock held by syz-executor452/9526: [ 963.912368][ T1110] #0: ffffffff8a550000 (hashlimit_mutex){+.+.}, at: hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 963.923187][ T1110] 1 lock held by syz-executor452/9527: [ 963.928804][ T1110] #0: ffffffff8a550000 (hashlimit_mutex){+.+.}, at: hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 963.939623][ T1110] 1 lock held by syz-executor452/9528: [ 963.945077][ T1110] #0: ffffffff8a550000 (hashlimit_mutex){+.+.}, at: hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 963.956015][ T1110] 1 lock held by syz-executor452/9529: [ 963.961615][ T1110] #0: ffffffff8a550000 (hashlimit_mutex){+.+.}, at: hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 963.972539][ T1110] 1 lock held by syz-executor452/9530: [ 963.978141][ T1110] #0: ffffffff8a550000 (hashlimit_mutex){+.+.}, at: hashlimit_mt_check_common.isra.0+0x341/0x1500 [ 963.988996][ T1110] [ 963.991318][ T1110] ============================================= [ 963.991318][ T1110] [ 964.000005][ T1110] NMI backtrace for cpu 1 [ 964.004339][ T1110] CPU: 1 PID: 1110 Comm: khungtaskd Not tainted 5.5.0-rc5-syzkaller #0 [ 964.012623][ T1110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 964.022669][ T1110] Call Trace: [ 964.026000][ T1110] dump_stack+0x197/0x210 [ 964.030337][ T1110] nmi_cpu_backtrace.cold+0x70/0xb2 [ 964.035571][ T1110] ? vprintk_func+0x86/0x189 [ 964.040201][ T1110] ? lapic_can_unplug_cpu.cold+0x3a/0x3a [ 964.045838][ T1110] nmi_trigger_cpumask_backtrace+0x23b/0x28b [ 964.051826][ T1110] arch_trigger_cpumask_backtrace+0x14/0x20 [ 964.057714][ T1110] watchdog+0xb11/0x10c0 [ 964.061999][ T1110] kthread+0x361/0x430 [ 964.066070][ T1110] ? reset_hung_task_detector+0x30/0x30 [ 964.071609][ T1110] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 964.077327][ T1110] ret_from_fork+0x24/0x30 [ 964.081883][ T1110] Sending NMI from CPU 1 to CPUs 0: [ 964.087325][ C0] NMI backtrace for cpu 0 [ 964.087331][ C0] CPU: 0 PID: 2824 Comm: kworker/0:59 Not tainted 5.5.0-rc5-syzkaller #0 [ 964.087336][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 964.087340][ C0] Workqueue: events_power_efficient htable_gc [ 964.087346][ C0] RIP: 0010:___might_sleep+0x66/0x2c0 [ 964.087356][ C0] Code: 84 b3 01 00 00 65 4c 8b 3c 25 c0 1e 02 00 49 8d bf 78 03 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 04 02 <65> 44 8b 35 9a 82 b1 7e 41 81 e6 ff ff ff 7f 84 c0 74 08 3c 03 0f [ 964.087360][ C0] RSP: 0018:ffffc90008b57c70 EFLAGS: 00000a02 [ 964.087367][ C0] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff88809f12acd8 [ 964.087371][ C0] RDX: 1ffff11013e254f7 RSI: ffffffff899a3e80 RDI: ffff88809f12a7b8 [ 964.087376][ C0] RBP: ffffc90008b57c98 R08: 1ffffffff165e7b1 R09: fffffbfff165e7b2 [ 964.087381][ C0] R10: fffffbfff165e7b1 R11: ffffffff8b2f3d8f R12: ffffffff88dd8a20 [ 964.087385][ C0] R13: 0000000000000184 R14: ffffc9000de21000 R15: ffff88809f12a440 [ 964.087390][ C0] FS: 0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 964.087394][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 964.087399][ C0] CR2: 0000000020000000 CR3: 00000000a0107000 CR4: 00000000001406f0 [ 964.087404][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 964.087408][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 964.087411][ C0] Call Trace: [ 964.087414][ C0] htable_selective_cleanup+0x22c/0x330 [ 964.087418][ C0] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 964.087421][ C0] ? select_all+0x10/0x10 [ 964.087423][ C0] htable_gc+0x26/0xc0 [ 964.087427][ C0] process_one_work+0x9af/0x1740 [ 964.087430][ C0] ? pwq_dec_nr_in_flight+0x320/0x320 [ 964.087433][ C0] ? lock_acquire+0x190/0x410 [ 964.087436][ C0] worker_thread+0x98/0xe40 [ 964.087439][ C0] kthread+0x361/0x430 [ 964.087442][ C0] ? process_one_work+0x1740/0x1740 [ 964.087446][ C0] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 964.087449][ C0] ret_from_fork+0x24/0x30 [ 964.088763][ T1110] Kernel panic - not syncing: hung_task: blocked tasks [ 964.295441][ T1110] CPU: 1 PID: 1110 Comm: khungtaskd Not tainted 5.5.0-rc5-syzkaller #0 [ 964.303671][ T1110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 964.313719][ T1110] Call Trace: [ 964.317010][ T1110] dump_stack+0x197/0x210 [ 964.321395][ T1110] panic+0x2e3/0x75c [ 964.325291][ T1110] ? add_taint.cold+0x16/0x16 [ 964.329965][ T1110] ? lapic_can_unplug_cpu.cold+0x3a/0x3a [ 964.335597][ T1110] ? ___preempt_schedule+0x16/0x18 [ 964.340711][ T1110] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 964.346880][ T1110] ? nmi_trigger_cpumask_backtrace+0x24c/0x28b [ 964.353034][ T1110] ? nmi_trigger_cpumask_backtrace+0x256/0x28b [ 964.359190][ T1110] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 964.365341][ T1110] watchdog+0xb22/0x10c0 [ 964.369588][ T1110] kthread+0x361/0x430 [ 964.373653][ T1110] ? reset_hung_task_detector+0x30/0x30 [ 964.379193][ T1110] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 964.384908][ T1110] ret_from_fork+0x24/0x30 [ 964.390873][ T1110] Kernel Offset: disabled [ 964.395216][ T1110] Rebooting in 86400 seconds..