[info] Using makefile-style concurrent boot in runlevel 2. [ 26.174558] audit: type=1800 audit(1543013821.209:21): pid=5842 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="bootlogs" dev="sda1" ino=2419 res=0 [....] 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 '10.128.0.84' (ECDSA) to the list of known hosts. net.ipv6.conf.syz_tun.accept_dad = 0 syzkaller login: [ 45.287888] IPVS: ftp: loaded support on port[0] = 21 net.ipv6.conf.syz_tun.router_solicitations = 0 [ 45.402664] ip (6016) used greatest stack depth: 16112 bytes left [ 45.537814] bridge0: port 1(bridge_slave_0) entered blocking state [ 45.544547] bridge0: port 1(bridge_slave_0) entered disabled state [ 45.551830] device bridge_slave_0 entered promiscuous mode [ 45.569779] bridge0: port 2(bridge_slave_1) entered blocking state [ 45.576206] bridge0: port 2(bridge_slave_1) entered disabled state [ 45.583354] device bridge_slave_1 entered promiscuous mode [ 45.600446] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 45.617954] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 45.666213] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 45.685929] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 45.759906] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 45.767339] team0: Port device team_slave_0 added [ 45.783290] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 45.790582] team0: Port device team_slave_1 added [ 45.809335] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 45.828793] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 45.848762] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 45.868995] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported [ 46.019545] bridge0: port 2(bridge_slave_1) entered blocking state [ 46.026186] bridge0: port 2(bridge_slave_1) entered forwarding state [ 46.032994] bridge0: port 1(bridge_slave_0) entered blocking state [ 46.039349] bridge0: port 1(bridge_slave_0) entered forwarding state RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument [ 46.552840] 8021q: adding VLAN 0 to HW filter on device bond0 [ 46.609016] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 46.660563] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 46.667146] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 46.674285] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 46.728245] 8021q: adding VLAN 0 to HW filter on device team0 executing program [ 47.016361] ================================================================== [ 47.023835] BUG: KASAN: use-after-free in tick_sched_handle+0x16c/0x180 [ 47.026340] kasan: CONFIG_KASAN_INLINE enabled [ 47.030580] Read of size 8 at addr ffff8881b3382a70 by task syz-executor053/6000 [ 47.030588] [ 47.030602] CPU: 1 PID: 6000 Comm: syz-executor053 Not tainted 4.20.0-rc3+ #311 [ 47.035216] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 47.042732] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.042738] Call Trace: [ 47.042744] [ 47.042763] dump_stack+0x244/0x39d [ 47.042782] ? dump_stack_print_info.cold.1+0x20/0x20 [ 47.044399] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 47.051831] ? printk+0xa7/0xcf [ 47.059172] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.20.0-rc3+ #311 [ 47.068512] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 47.071507] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.073644] print_address_description.cold.7+0x9/0x1ff [ 47.077258] RIP: 0010:kmem_cache_free+0x16/0x290 [ 47.082431] kasan_report.cold.8+0x242/0x309 [ 47.088644] Code: e8 4f 4e 86 ff 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 56 41 55 41 54 49 89 f4 53 48 89 fb 0f 1f 44 00 00 47 21 01 0f 85 c7 00 00 00 48 85 db 0f 84 b5 00 00 00 48 83 3d [ 47.091905] ? tick_sched_handle+0x16c/0x180 [ 47.098552] RSP: 0018:ffff8881dae07610 EFLAGS: 00010296 [ 47.103295] __asan_report_load8_noabort+0x14/0x20 [ 47.112633] RAX: 0000000000000000 RBX: 15e95eeed9863400 RCX: ffffffff8152c7fa [ 47.118000] tick_sched_handle+0x16c/0x180 [ 47.122730] RDX: 0000000000000000 RSI: ffff8881be55c900 RDI: 15e95eeed9863400 [ 47.127125] tick_sched_timer+0x45/0x130 [ 47.146005] RBP: ffff8881dae07630 R08: ffffffff89476ec0 R09: ffffed1037cab920 [ 47.150399] __hrtimer_run_queues+0x41c/0x10d0 [ 47.155739] R10: ffffed1037cab920 R11: ffff8881be55c903 R12: ffff8881be55c900 [ 47.160652] ? tick_sched_do_timer+0x1a0/0x1a0 [ 47.167900] R13: 1ffff1103b5c0ec9 R14: ffff8881dae076a8 R15: ffff8881b3472e50 [ 47.172118] ? hrtimer_start_range_ns+0xe00/0xe00 [ 47.179376] FS: 0000000000000000(0000) GS:ffff8881dae00000(0000) knlGS:0000000000000000 [ 47.183432] ? pvclock_read_flags+0x160/0x160 [ 47.190680] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.195269] ? trace_hardirqs_on+0x310/0x310 [ 47.202516] CR2: 0000000000619570 CR3: 00000001bdef0000 CR4: 00000000001406f0 [ 47.207085] ? kvm_clock_read+0x18/0x30 [ 47.214356] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.219188] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 47.227395] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.231877] ? ktime_get_update_offsets_now+0x3b3/0x540 [ 47.237729] Call Trace: [ 47.242126] ? do_timer+0x50/0x50 [ 47.249371] [ 47.253337] ? rwlock_bug.part.2+0x90/0x90 [ 47.260592] put_pid.part.3+0x1b8/0x240 [ 47.265590] ? trace_hardirqs_on+0x310/0x310 [ 47.272851] ? pid_task+0x200/0x200 [ 47.278206] ? rcu_softirq_qs+0x20/0x20 [ 47.280776] ? trace_hardirqs_off_caller+0x310/0x310 [ 47.284211] hrtimer_interrupt+0x313/0x780 [ 47.286345] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 47.290564] smp_apic_timer_interrupt+0x1a1/0x760 [ 47.294511] delayed_put_pid+0x20/0x30 [ 47.298902] ? smp_reschedule_interrupt+0x109/0x650 [ 47.302549] ? put_pid+0x30/0x30 [ 47.306497] ? smp_call_function_single_interrupt+0x650/0x650 [ 47.311582] rcu_process_callbacks+0x100a/0x1ac0 [ 47.315798] ? interrupt_entry+0xb5/0xc0 [ 47.321348] ? rcu_note_context_switch+0x2150/0x2150 [ 47.326175] ? trace_hardirqs_off_caller+0xbb/0x310 [ 47.330052] ? __lock_acquire+0x62f/0x4c20 [ 47.335049] ? trace_hardirqs_off_caller+0xbb/0x310 [ 47.338394] ? find_held_lock+0x36/0x1c0 [ 47.344270] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.349010] ? mark_held_locks+0x130/0x130 [ 47.353049] ? trace_hardirqs_on_caller+0x310/0x310 [ 47.358135] ? trace_hardirqs_off+0xb8/0x310 [ 47.363131] ? trace_hardirqs_on_caller+0x310/0x310 [ 47.367355] ? kasan_check_read+0x11/0x20 [ 47.372351] ? task_prio+0x50/0x50 [ 47.376395] ? do_raw_spin_unlock+0xa7/0x330 [ 47.381225] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 47.385443] ? trace_hardirqs_on+0x310/0x310 [ 47.390442] ? check_preemption_disabled+0x48/0x280 [ 47.394833] ? zap_class+0x640/0x640 [ 47.399834] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.403963] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 47.407487] apic_timer_interrupt+0xf/0x20 [ 47.411877] ? check_preemption_disabled+0x48/0x280 [ 47.417390] [ 47.421789] ? __lock_is_held+0xb5/0x140 [ 47.426778] [ 47.430483] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 47.435300] Allocated by task 3006804384: [ 47.440823] ? zap_class+0x640/0x640 [ 47.470775] ? enqueue_hrtimer+0x1a5/0x560 [ 47.475007] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 47.480200] ? find_held_lock+0x36/0x1c0 [ 47.484274] ? pvclock_read_flags+0x160/0x160 [ 47.488769] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 47.494308] ? check_preemption_disabled+0x48/0x280 [ 47.499330] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 47.504865] ? rcu_pm_notify+0xc0/0xc0 [ 47.508762] __do_softirq+0x308/0xb7e [ 47.512570] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 47.517061] ? lock_downgrade+0x900/0x900 [ 47.521211] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 47.526316] ? pvclock_read_flags+0x160/0x160 [ 47.530812] ? lapic_next_event+0x5a/0x90 [ 47.534958] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 47.540493] ? kvm_clock_read+0x18/0x30 [ 47.544463] ? kvm_sched_clock_read+0x9/0x20 [ 47.548867] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 47.554402] ? check_preemption_disabled+0x48/0x280 [ 47.559421] irq_exit+0x17f/0x1c0 [ 47.562871] smp_apic_timer_interrupt+0x1cb/0x760 [ 47.567713] ? smp_call_function_single_interrupt+0x650/0x650 [ 47.573847] ? interrupt_entry+0xb5/0xc0 [ 47.577908] ? trace_hardirqs_off_caller+0xbb/0x310 [ 47.582923] ? trace_hardirqs_off_caller+0xbb/0x310 [ 47.587936] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.592776] ? trace_hardirqs_on_caller+0x310/0x310 [ 47.597792] ? trace_hardirqs_on_caller+0x310/0x310 [ 47.602811] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 47.607653] apic_timer_interrupt+0xf/0x20 [ 47.611876] [ 47.614109] RIP: 0010:native_safe_halt+0x6/0x10 [ 47.618775] Code: e9 2c ff ff ff 48 89 c7 48 89 45 d8 e8 93 dc e5 f9 48 8b 45 d8 e9 ca fe ff ff 48 89 df e8 82 dc e5 f9 eb 82 55 48 89 e5 fb f4 <5d> c3 0f 1f 84 00 00 00 00 00 55 48 89 e5 f4 5d c3 90 90 90 90 90 [ 47.637672] RSP: 0018:ffffffff89407c10 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 47.645377] RAX: dffffc0000000000 RBX: 1ffffffff1280f86 RCX: 0000000000000000 [ 47.652643] RDX: 1ffffffff12a3f71 RSI: 0000000000000001 RDI: ffffffff8951fb88 [ 47.659907] RBP: ffffffff89407c10 R08: ffffffff89476ec0 R09: 0000000000000000 [ 47.667173] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff89407cd0 [ 47.674436] R13: ffffffff8a1643e0 R14: 0000000000000000 R15: 0000000000000000 [ 47.681716] default_idle+0xbf/0x490 [ 47.685429] ? rcu_dynticks_eqs_enter+0x4f/0x80 [ 47.690096] ? __sched_text_end+0x1/0x1 [ 47.694067] ? rcu_idle_enter+0x39a/0x530 [ 47.698208] ? rcu_eqs_special_set+0x1c0/0x1c0 [ 47.703017] ? tsc_verify_tsc_adjust+0x137/0x450 [ 47.707761] ? trace_hardirqs_off_caller+0x310/0x310 [ 47.712864] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 47.718417] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 47.723952] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 47.729494] arch_cpu_idle+0x10/0x20 [ 47.733219] default_idle_call+0x6d/0x90 [ 47.737344] do_idle+0x49b/0x5c0 [ 47.740722] ? retint_kernel+0x2d/0x2d [ 47.744641] ? arch_cpu_idle_exit+0x70/0x70 [ 47.749014] cpu_startup_entry+0x18/0x20 [ 47.753069] rest_init+0x243/0x372 [ 47.756605] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 47.762153] arch_call_rest_init+0xe/0x1b [ 47.766298] start_kernel+0x9f0/0xa2b [ 47.770098] ? mem_encrypt_init+0xb/0xb [ 47.774072] ? early_idt_handler_common+0x3b/0x60 [ 47.778914] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 47.784444] ? x86_family+0x3e/0x50 [ 47.788073] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 47.793608] x86_64_start_reservations+0x2e/0x30 [ 47.798355] x86_64_start_kernel+0x76/0x79 [ 47.802604] secondary_startup_64+0xa4/0xb0 [ 47.806918] Modules linked in: [ 47.810118] BUG: unable to handle kernel paging request at ffffffff8caa3e08 [ 47.810151] ---[ end trace f03dfc7787285a82 ]--- [ 47.817213] PGD 946d067 P4D 946d067 PUD 946e063 PMD 0 [ 47.821998] RIP: 0010:kmem_cache_free+0x16/0x290 [ 47.827243] Thread overran stack, or stack corrupted [ 47.827253] Oops: 0000 [#2] PREEMPT SMP KASAN [ 47.827282] CPU: 1 PID: 6000 Comm: syz-executor053 Tainted: G D 4.20.0-rc3+ #311 [ 47.832026] Code: e8 4f 4e 86 ff 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 56 41 55 41 54 49 89 f4 53 48 89 fb 0f 1f 44 00 00 47 21 01 0f 85 c7 00 00 00 48 85 db 0f 84 b5 00 00 00 48 83 3d [ 47.837104] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 47.837119] RIP: 0010:depot_fetch_stack+0x10/0x30 [ 47.837134] Code: 89 e8 c4 9f 1c fe e9 87 fd ff ff e8 1a b5 a2 fd 90 90 90 90 90 90 90 90 90 90 89 f8 c1 ef 11 25 ff ff 1f 00 81 e7 f0 3f 00 00 <48> 03 3c c5 00 fa ad 8b 8b 47 0c 48 83 c7 18 c7 46 10 00 00 00 00 [ 47.841609] RSP: 0018:ffff8881dae07610 EFLAGS: 00010296 [ 47.850439] RSP: 0018:ffff8881daf07a38 EFLAGS: 00010006 [ 47.850450] RAX: 00000000001f8881 RBX: ffff8881b3383104 RCX: 0000000000000000 [ 47.850463] RDX: 0000000000000000 RSI: ffff8881daf07a40 RDI: 0000000000003ff0 [ 47.869360] RAX: 0000000000000000 RBX: 15e95eeed9863400 RCX: ffffffff8152c7fa [ 47.878681] RBP: ffff8881daf07a68 R08: ffff8881c23943c0 R09: fffffbfff12b2218 [ 47.878690] R10: fffffbfff12b2218 R11: ffffffff895910c3 R12: ffffea0006cce080 [ 47.878702] R13: ffff8881b3382100 R14: ffff8881da980e00 R15: ffff8881b3383100 [ 47.883541] RDX: 0000000000000000 RSI: ffff8881be55c900 RDI: 15e95eeed9863400 [ 47.902420] FS: 0000000000d0a880(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000 [ 47.902428] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.902441] CR2: ffffffff8caa3e08 CR3: 00000001c2878000 CR4: 00000000001406e0 [ 47.907798] RBP: ffff8881dae07630 R08: ffffffff89476ec0 R09: ffffed1037cab920 [ 47.913136] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.920401] R10: ffffed1037cab920 R11: ffff8881be55c903 R12: ffff8881be55c900 [ 47.927637] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.927641] Call Trace: [ 47.927647] [ 47.927664] ? print_track.isra.4+0x3b/0x6f [ 47.934914] R13: 1ffff1103b5c0ec9 R14: ffff8881dae076a8 R15: ffff8881b3472e50 [ 47.942175] print_address_description.cold.7+0x15b/0x1ff [ 47.942190] kasan_report.cold.8+0x242/0x309 [ 47.949457] FS: 0000000000000000(0000) GS:ffff8881dae00000(0000) knlGS:0000000000000000 [ 47.956699] ? tick_sched_handle+0x16c/0x180 [ 47.956714] __asan_report_load8_noabort+0x14/0x20 [ 47.963970] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.972183] tick_sched_handle+0x16c/0x180 [ 47.972215] tick_sched_timer+0x45/0x130 [ 47.978091] CR2: 0000000000619570 CR3: 00000001bdef0000 CR4: 00000000001406f0 [ 47.985345] __hrtimer_run_queues+0x41c/0x10d0 [ 47.992615] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.999867] ? tick_sched_do_timer+0x1a0/0x1a0 [ 47.999884] ? hrtimer_start_range_ns+0xe00/0xe00 [ 48.007147] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 48.014405] ? pvclock_read_flags+0x160/0x160 [ 48.016989] Kernel panic - not syncing: Fatal exception in interrupt [ 48.019152] ? trace_hardirqs_on+0x310/0x310 [ 48.123396] ? kvm_clock_read+0x18/0x30 [ 48.127366] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 48.132375] ? ktime_get_update_offsets_now+0x3b3/0x540 [ 48.137737] ? do_timer+0x50/0x50 [ 48.141187] ? rwlock_bug.part.2+0x90/0x90 [ 48.145414] ? trace_hardirqs_on+0x310/0x310 [ 48.149820] ? rcu_softirq_qs+0x20/0x20 [ 48.153799] hrtimer_interrupt+0x313/0x780 [ 48.158062] smp_apic_timer_interrupt+0x1a1/0x760 [ 48.162902] ? smp_reschedule_interrupt+0x109/0x650 [ 48.167918] ? smp_call_function_single_interrupt+0x650/0x650 [ 48.173798] ? interrupt_entry+0xb5/0xc0 [ 48.177854] ? trace_hardirqs_off_caller+0xbb/0x310 [ 48.182868] ? trace_hardirqs_off_caller+0xbb/0x310 [ 48.187880] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 48.192733] ? trace_hardirqs_on_caller+0x310/0x310 [ 48.197756] ? trace_hardirqs_on_caller+0x310/0x310 [ 48.202768] ? task_prio+0x50/0x50 [ 48.206304] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 48.211851] ? check_preemption_disabled+0x48/0x280 [ 48.216881] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 48.221720] apic_timer_interrupt+0xf/0x20 [ 48.225944] [ 48.228166] Modules linked in: [ 48.231353] CR2: ffffffff8caa3e08 [ 48.234796] ---[ end trace f03dfc7787285a83 ]--- [ 48.239550] RIP: 0010:kmem_cache_free+0x16/0x290 [ 48.244305] Code: e8 4f 4e 86 ff 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 56 41 55 41 54 49 89 f4 53 48 89 fb 0f 1f 44 00 00 47 21 01 0f 85 c7 00 00 00 48 85 db 0f 84 b5 00 00 00 48 83 3d [ 48.263201] RSP: 0018:ffff8881dae07610 EFLAGS: 00010296 [ 48.268561] RAX: 0000000000000000 RBX: 15e95eeed9863400 RCX: ffffffff8152c7fa [ 48.275841] RDX: 0000000000000000 RSI: ffff8881be55c900 RDI: 15e95eeed9863400 [ 48.283100] RBP: ffff8881dae07630 R08: ffffffff89476ec0 R09: ffffed1037cab920 [ 48.290361] R10: ffffed1037cab920 R11: ffff8881be55c903 R12: ffff8881be55c900 [ 48.297621] R13: 1ffff1103b5c0ec9 R14: ffff8881dae076a8 R15: ffff8881b3472e50 [ 48.304901] FS: 0000000000d0a880(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000 [ 48.313121] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.318996] CR2: ffffffff8caa3e08 CR3: 00000001c2878000 CR4: 00000000001406e0 [ 48.326268] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 48.333540] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.224562] Shutting down cpus with NMI [ 49.229443] Kernel Offset: disabled [ 49.233066] Rebooting in 86400 seconds..