syzkaller login: [   73.668456] ------------[ cut here ]------------
[   73.673359] kernel BUG at mm/vmstat.c:1425!
[   73.677676] invalid opcode: 0000 [#1] PREEMPT SMP 
[   73.683017] Modules linked in:
[   73.686351] CPU: 1 PID: 16 Comm: kworker/1:0 Not tainted 4.4.178 #2
[   73.692755] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   73.702333] Workqueue: vmstat vmstat_update
[   73.706754] task: ffff88012b7a4440 ti: ffff88012b7a8000 task.ti: ffff88012b7a8000
[   73.714357] RIP: 0010:[<ffffffff8129effc>]  [<ffffffff8129effc>] vmstat_update+0x8c/0xc0
[   73.722700] RSP: 0018:ffff88012b7abd70  EFLAGS: 00010293
[   73.728140] RAX: 0000000000000001 RBX: ffff88012b70b880 RCX: 0000000000000000
[   73.735395] RDX: 0000000000000000 RSI: ffffffff82f4ccc7 RDI: ffffffff82f0761a
[   73.742696] RBP: ffff88012b7abd90 R08: 0000000000000000 R09: 0000000000000003
[   73.750090] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88012c116880
[   73.757566] R13: ffffe8ffffd0a400 R14: ffff88012c110de0 R15: ffffffff834354f8
[   73.764924] FS:  0000000000000000(0000) GS:ffff88012c100000(0000) knlGS:0000000000000000
[   73.773133] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   73.779133] CR2: 00007f6f7d559150 CR3: 00000000b848c000 CR4: 00000000001406f0
[   73.786387] Stack:
[   73.788516]  ffff88012b70b880 ffff88012c116880 ffffe8ffffd0a400 ffff88012c110de0
[   73.796576]  ffff88012b7abe00 ffffffff8119354d ffffffff811934b4 ffff88012c1168e0
[   73.805127]  0000000000000000 ffffffff84311ed0 ffffffff83da6790 0000000000000000
[   73.813121] Call Trace:
[   73.815690]  [<ffffffff8119354d>] process_one_work+0x23d/0x800
[   73.821654]  [<ffffffff811934b4>] ? process_one_work+0x1a4/0x800
[   73.827840]  [<ffffffff81193b59>] worker_thread+0x49/0x460
[   73.833455]  [<ffffffff81193b10>] ? process_one_work+0x800/0x800
[   73.839591]  [<ffffffff81198da5>] kthread+0xe5/0x100
[   73.844681]  [<ffffffff81198cc0>] ? kthread_create_on_node+0x210/0x210
[   73.851411]  [<ffffffff82668fd5>] ret_from_fork+0x55/0x80
[   73.856979]  [<ffffffff81198cc0>] ? kthread_create_on_node+0x210/0x210
[   73.863626] 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 
[   73.891575] RIP  [<ffffffff8129effc>] vmstat_update+0x8c/0xc0
[   73.897781]  RSP <ffff88012b7abd70>
[   73.901523] ---[ end trace 74541c3732510038 ]---
[   73.906529] Kernel panic - not syncing: Fatal exception
[   73.912800] Kernel Offset: disabled
[   73.916452] Rebooting in 86400 seconds..