syzkaller login: [   43.689978] ------------[ cut here ]------------
[   43.694781] kernel BUG at mm/vmstat.c:1420!
[   43.699078] invalid opcode: 0000 [#1] PREEMPT SMP 
[   43.704342] Modules linked in:
[   43.707630] CPU: 1 PID: 614 Comm: kworker/1:1 Not tainted 4.4.179 #3
[   43.714093] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   43.723431] Workqueue: vmstat vmstat_update
[   43.727941] task: ffff8800bb8dc400 ti: ffff8800bb0c8000 task.ti: ffff8800bb0c8000
[   43.735528] RIP: 0010:[<ffffffff8129f01c>]  [<ffffffff8129f01c>] vmstat_update+0x8c/0xc0
[   43.743855] RSP: 0018:ffff8800bb0cbd70  EFLAGS: 00010293
[   43.749273] RAX: 0000000000000001 RBX: ffff88012b1abc40 RCX: 0000000000000000
[   43.756519] RDX: 0000000000000000 RSI: ffffffff82f4ce5a RDI: ffffffff82f07762
[   43.763764] RBP: ffff8800bb0cbd90 R08: 0000000000000000 R09: 0000000000000003
[   43.771075] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88012c116880
[   43.778324] R13: ffffe8ffffd0a400 R14: ffff88012c110de0 R15: ffffffff83435738
[   43.785572] FS:  0000000000000000(0000) GS:ffff88012c100000(0000) knlGS:0000000000000000
[   43.793774] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   43.799665] CR2: 00005614127db000 CR3: 00000000b86c3000 CR4: 00000000001406f0
[   43.806973] Stack:
[   43.809099]  ffff88012b1abc40 ffff88012c116880 ffffe8ffffd0a400 ffff88012c110de0
[   43.817241]  ffff8800bb0cbe00 ffffffff8119354d ffffffff811934b4 ffff88012c1168e0
[   43.825225]  0000000000000000 ffffffff84311ed0 ffffffff83da65e0 0000000000000000
[   43.833256] Call Trace:
[   43.835815]  [<ffffffff8119354d>] process_one_work+0x23d/0x800
[   43.841761]  [<ffffffff811934b4>] ? process_one_work+0x1a4/0x800
[   43.847879]  [<ffffffff81193b59>] worker_thread+0x49/0x460
[   43.853478]  [<ffffffff81193b10>] ? process_one_work+0x800/0x800
[   43.859605]  [<ffffffff81198da5>] kthread+0xe5/0x100
[   43.864682]  [<ffffffff81198cc0>] ? kthread_create_on_node+0x210/0x210
[   43.871945]  [<ffffffff82669d15>] ret_from_fork+0x55/0x80
[   43.877549]  [<ffffffff81198cc0>] ? kthread_create_on_node+0x210/0x210
[   43.884272] Code: 41 5c 41 5d 41 5e 5d c3 e8 12 c0 62 00 83 f8 3f 77 1b 89 c0 f0 48 0f ab 05 ca 2e 07 03 72 0c 48 83 c4 08 41 5c 41 5d 41 5e 5d c3 <0f> 0b 80 3d 11 73 16 02 00 75 dc be 75 00 00 00 48 c7 c7 77 eb 
[   43.911551] RIP  [<ffffffff8129f01c>] vmstat_update+0x8c/0xc0
[   43.917670]  RSP <ffff8800bb0cbd70>
[   43.921387] ---[ end trace c396ba570028c5e4 ]---
[   43.926129] Kernel panic - not syncing: Fatal exception
[   43.932521] Kernel Offset: disabled
[   43.936138] Rebooting in 86400 seconds..