[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 mcstransd: 
[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c.

Debian GNU/Linux 7 syzkaller ttyS0

syzkaller login: [   43.659925] ------------[ cut here ]------------
[   43.664798] kernel BUG at mm/vmstat.c:1420!
[   43.669107] invalid opcode: 0000 [#1] PREEMPT SMP 
[   43.674406] Modules linked in:
[   43.677820] CPU: 1 PID: 2861 Comm: kworker/1:2 Not tainted 4.4.180 #8
[   43.684385] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   43.693759] Workqueue: vmstat vmstat_update
[   43.698247] task: ffff8800b848a640 ti: ffff8800b8b10000 task.ti: ffff8800b8b10000
[   43.705863] RIP: 0010:[<ffffffff8129c2ac>]  [<ffffffff8129c2ac>] vmstat_update+0x8c/0xc0
[   43.714238] RSP: 0018:ffff8800b8b13d70  EFLAGS: 00010293
[   43.719776] RAX: 0000000000000001 RBX: ffff8800bb1a4880 RCX: 0000000000000000
[   43.727047] RDX: 0000000000000000 RSI: ffffffff82f4c7c1 RDI: ffffffff82f070e2
[   43.734390] RBP: ffff8800b8b13d90 R08: 0000000000000000 R09: 0000000000000003
[   43.741748] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88012c1168c0
[   43.749161] R13: ffffe8ffffd0a400 R14: ffff88012c110e20 R15: ffffffff83436878
[   43.756424] FS:  0000000000000000(0000) GS:ffff88012c100000(0000) knlGS:0000000000000000
[   43.764637] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.770496] CR2: 000055918a0e4000 CR3: 00000000b1722000 CR4: 00000000001406f0
[   43.777750] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   43.785068] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   43.792323] Stack:
[   43.794448]  ffff8800bb1a4880 ffff88012c1168c0 ffffe8ffffd0a400 ffff88012c110e20
[   43.802461]  ffff8800b8b13e00 ffffffff811914e7 ffffffff81191454 ffff88012c116a08
[   43.811138]  0000000000000000 ffffffff84310f90 ffffffff83da56a0 0000000000000000
[   43.819139] Call Trace:
[   43.821708]  [<ffffffff811914e7>] process_one_work+0x237/0x7f0
[   43.827652]  [<ffffffff81191454>] ? process_one_work+0x1a4/0x7f0
[   43.834009]  [<ffffffff81191ae9>] worker_thread+0x49/0x460
[   43.839610]  [<ffffffff81191aa0>] ? process_one_work+0x7f0/0x7f0
[   43.845875]  [<ffffffff81196cf3>] kthread+0xe3/0x100
[   43.851180]  [<ffffffff81196c10>] ? kthread_create_on_node+0x210/0x210
[   43.857992]  [<ffffffff8264c86f>] ret_from_fork+0x3f/0x70
[   43.863643]  [<ffffffff81196c10>] ? kthread_create_on_node+0x210/0x210
[   43.870285] Code: 41 5c 41 5d 41 5e 5d c3 e8 72 7b 62 00 83 f8 3f 77 1b 89 c0 f0 48 0f ab 05 fa 4c 07 03 72 0c 48 83 c4 08 41 5c 41 5d 41 5e 5d c3 <0f> 0b 80 3d 7e af 16 02 00 75 dc be 75 00 00 00 48 c7 c7 17 e4 
[   43.897231] RIP  [<ffffffff8129c2ac>] vmstat_update+0x8c/0xc0
[   43.903238]  RSP <ffff8800b8b13d70>
[   43.907073] ---[ end trace 6fa3830f00567965 ]---
[   43.911964] Kernel panic - not syncing: Fatal exception
[   43.918584] Kernel Offset: disabled
[   43.922205] Rebooting in 86400 seconds..