[info] Using makefile-style concurrent boot in runlevel 2.
[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c.
Starting mcstransd: 
[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c.

Debian GNU/Linux 7 syzkaller ttyS0

syzkaller login: [   57.115886] ------------[ cut here ]------------
[   57.120921] kernel BUG at mm/vmstat.c:1425!
[   57.125342] invalid opcode: 0000 [#1] PREEMPT SMP 
[   57.130837] Modules linked in:
[   57.134234] CPU: 1 PID: 2399 Comm: kworker/1:2 Not tainted 4.4.178 #2
[   57.140881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   57.150882] Workqueue: vmstat vmstat_update
[   57.157044] task: ffff88012aee4600 ti: ffff8800ba1c4000 task.ti: ffff8800ba1c4000
[   57.165342] RIP: 0010:[<ffffffff8129effc>]  [<ffffffff8129effc>] vmstat_update+0x8c/0xc0
[   57.176108] RSP: 0018:ffff8800ba1c7d70  EFLAGS: 00010293
[   57.181929] RAX: 0000000000000001 RBX: ffff88012b17da00 RCX: 0000000000000000
[   57.189190] RDX: 0000000000000000 RSI: ffffffff82f4ccc7 RDI: ffffffff82f0761a
[   57.196617] RBP: ffff8800ba1c7d90 R08: 0000000000000000 R09: 0000000000000003
[   57.204846] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88012c116880
[   57.212851] R13: ffffe8ffffd0a400 R14: ffff88012c110de0 R15: ffffffff834354f8
[   57.220156] FS:  0000000000000000(0000) GS:ffff88012c100000(0000) knlGS:0000000000000000
[   57.228477] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   57.234494] CR2: 0000563840af7000 CR3: 00000000b3f3a000 CR4: 00000000001406f0
[   57.241786] Stack:
[   57.243938]  ffff88012b17da00 ffff88012c116880 ffffe8ffffd0a400 ffff88012c110de0
[   57.252494]  ffff8800ba1c7e00 ffffffff8119354d ffffffff811934b4 ffff88012c1168e0
[   57.260551]  0000000000000000 ffffffff84311ed0 ffffffff83da7510 0000000000000000
[   57.268619] Call Trace:
[   57.271377]  [<ffffffff8119354d>] process_one_work+0x23d/0x800
[   57.278474]  [<ffffffff811934b4>] ? process_one_work+0x1a4/0x800
[   57.287105]  [<ffffffff81193b59>] worker_thread+0x49/0x460
[   57.293026]  [<ffffffff81193b10>] ? process_one_work+0x800/0x800
[   57.299875]  [<ffffffff81198da5>] kthread+0xe5/0x100
[   57.304979]  [<ffffffff81198cc0>] ? kthread_create_on_node+0x210/0x210
[   57.312199]  [<ffffffff82668fd5>] ret_from_fork+0x55/0x80
[   57.318347]  [<ffffffff81198cc0>] ? kthread_create_on_node+0x210/0x210
[   57.325095] Code: 41 5c 41 5d 41 5e 5d c3 e8 f2 b9 62 00 83 f8 3f 77 1b 89 c0 f0 48 0f ab 05 ea 2e 07 03 72 0c 48 83 c4 08 41 5c 41 5d 41 5e 5d c3 <0f> 0b 80 3d f1 70 16 02 00 75 dc be 75 00 00 00 48 c7 c7 8f eb 
[   57.353129] RIP  [<ffffffff8129effc>] vmstat_update+0x8c/0xc0
[   57.359505]  RSP <ffff8800ba1c7d70>
[   57.363708] ---[ end trace 158fb53f8e636ef5 ]---
[   57.368585] Kernel panic - not syncing: Fatal exception
[   57.375033] Kernel Offset: disabled
[   57.378741] Rebooting in 86400 seconds..