syzkaller login: [   45.671994] ------------[ cut here ]------------
[   45.677268] kernel BUG at mm/vmstat.c:1420!
[   45.681833] invalid opcode: 0000 [#1] PREEMPT SMP 
[   45.688225] Modules linked in:
[   45.692202] CPU: 1 PID: 915 Comm: kworker/1:1 Not tainted 4.4.184 #12
[   45.700001] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   45.710490] Workqueue: vmstat vmstat_update
[   45.715788] task: ffff8800ba872840 ti: ffff8800ba878000 task.ti: ffff8800ba878000
[   45.723852] RIP: 0010:[<ffffffff8129c4ec>]  [<ffffffff8129c4ec>] vmstat_update+0x8c/0xc0
[   45.733160] RSP: 0018:ffff8800ba87bd70  EFLAGS: 00010293
[   45.739036] RAX: 0000000000000001 RBX: ffff8800bb348940 RCX: 0000000000000000
[   45.747324] RDX: 0000000000000000 RSI: ffffffff82f4c8c8 RDI: ffffffff82f07192
[   45.755757] RBP: ffff8800ba87bd90 R08: 0000000000000000 R09: 0000000000000003
[   45.764571] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88012c1168c0
[   45.773267] R13: ffffe8ffffd0a400 R14: ffff88012c110e20 R15: ffffffff834369f8
[   45.781565] FS:  0000000000000000(0000) GS:ffff88012c100000(0000) knlGS:0000000000000000
[   45.791554] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   45.798030] CR2: 000055a5a90ec000 CR3: 00000000b2ac1000 CR4: 00000000001406f0
[   45.806689] Stack:
[   45.808826]  ffff8800bb348940 ffff88012c1168c0 ffffe8ffffd0a400 ffff88012c110e20
[   45.818330]  ffff8800ba87be00 ffffffff81191677 ffffffff811915e4 ffff88012c116a08
[   45.828895]  0000000000000000 ffffffff84310f90 ffffffff83da5a00 0000000000000000
[   45.838355] Call Trace:
[   45.841033]  [<ffffffff81191677>] process_one_work+0x237/0x7f0
[   45.847550]  [<ffffffff811915e4>] ? process_one_work+0x1a4/0x7f0
[   45.854611]  [<ffffffff81191c79>] worker_thread+0x49/0x460
[   45.860433]  [<ffffffff81191c30>] ? process_one_work+0x7f0/0x7f0
[   45.867310]  [<ffffffff81196e83>] kthread+0xe3/0x100
[   45.872727]  [<ffffffff81196da0>] ? kthread_create_on_node+0x210/0x210
[   45.879781]  [<ffffffff8264d86f>] ret_from_fork+0x3f/0x70
[   45.885911]  [<ffffffff81196da0>] ? kthread_create_on_node+0x210/0x210
[   45.893482] Code: 41 5c 41 5d 41 5e 5d c3 e8 32 82 62 00 83 f8 3f 77 1b 89 c0 f0 48 0f ab 05 ba 4a 07 03 72 0c 48 83 c4 08 41 5c 41 5d 41 5e 5d c3 <0f> 0b 80 3d bd ae 16 02 00 75 dc be 75 00 00 00 48 c7 c7 67 e4 
[   45.924331] RIP  [<ffffffff8129c4ec>] vmstat_update+0x8c/0xc0
[   45.930559]  RSP <ffff8800ba87bd70>
[   45.934218] ---[ end trace 9934dffcdd7d573e ]---
[   45.940164] Kernel panic - not syncing: Fatal exception
[   45.947566] Kernel Offset: disabled
[   45.951608] Rebooting in 86400 seconds..