syzkaller login: [   29.631162] ------------[ cut here ]------------
[   29.636047] kernel BUG at mm/vmstat.c:1420!
[   29.640340] invalid opcode: 0000 [#1] PREEMPT SMP 
[   29.645643] Modules linked in:
[   29.649010] CPU: 1 PID: 16 Comm: kworker/1:0 Not tainted 4.4.180 #8
[   29.655384] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   29.664717] Workqueue: vmstat vmstat_update
[   29.669126] task: ffff88012b7a4440 ti: ffff88012b7a8000 task.ti: ffff88012b7a8000
[   29.676752] RIP: 0010:[<ffffffff8129c2ac>]  [<ffffffff8129c2ac>] vmstat_update+0x8c/0xc0
[   29.685211] RSP: 0018:ffff88012b7abd70  EFLAGS: 00010293
[   29.690632] RAX: 0000000000000001 RBX: ffff88012b70b880 RCX: 0000000000000000
[   29.697913] RDX: 0000000000000000 RSI: ffffffff82f4c7c1 RDI: ffffffff82f070e2
[   29.705273] RBP: ffff88012b7abd90 R08: 0000000000000000 R09: 0000000000000003
[   29.712522] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88012c1168c0
[   29.719765] R13: ffffe8ffffd0a400 R14: ffff88012c110e20 R15: ffffffff83436878
[   29.727018] FS:  0000000000000000(0000) GS:ffff88012c100000(0000) knlGS:0000000000000000
[   29.735216] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   29.741074] CR2: 00007faee8844000 CR3: 00000000b89c5000 CR4: 00000000001406f0
[   29.748326] Stack:
[   29.750445]  ffff88012b70b880 ffff88012c1168c0 ffffe8ffffd0a400 ffff88012c110e20
[   29.758492]  ffff88012b7abe00 ffffffff811914e7 ffffffff81191454 ffff88012c116a08
[   29.766559]  0000000000000000 ffffffff84310f90 ffffffff83da5d60 0000000000000000
[   29.774614] Call Trace:
[   29.777173]  [<ffffffff811914e7>] process_one_work+0x237/0x7f0
[   29.783154]  [<ffffffff81191454>] ? process_one_work+0x1a4/0x7f0
[   29.789277]  [<ffffffff81191ae9>] worker_thread+0x49/0x460
[   29.794875]  [<ffffffff81191aa0>] ? process_one_work+0x7f0/0x7f0
[   29.800992]  [<ffffffff81196cf3>] kthread+0xe3/0x100
[   29.806124]  [<ffffffff81196c10>] ? kthread_create_on_node+0x210/0x210
[   29.812772]  [<ffffffff8264c86f>] ret_from_fork+0x3f/0x70
[   29.818281]  [<ffffffff81196c10>] ? kthread_create_on_node+0x210/0x210
[   29.824918] 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 
[   29.852125] RIP  [<ffffffff8129c2ac>] vmstat_update+0x8c/0xc0
[   29.858108]  RSP <ffff88012b7abd70>
[   29.861931] ---[ end trace 2bc83bbe46799809 ]---
[   29.866673] Kernel panic - not syncing: Fatal exception
[   29.872875] Kernel Offset: disabled
[   29.881232] Rebooting in 86400 seconds..