------------[ cut here ]------------ kernel BUG at mm/vmstat.c:1425! invalid opcode: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 0 PID: 63 Comm: kworker/0:1 Not tainted 4.4.174+ #4 Workqueue: vmstat vmstat_update task: ffff8801d8c35f00 task.stack: ffff8801d8d68000 RIP: 0010:[] [] vmstat_update mm/vmstat.c:1425 [inline] RIP: 0010:[] [] vmstat_update+0x99/0xb0 mm/vmstat.c:1396 RSP: 0018:ffff8801d8d6fbc0 EFLAGS: 00010287 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff81b0abec RDI: ffff8801d8c362f8 RBP: ffff8801d8d6fbe0 R08: ffffffff82836948 R09: ffff8801d8c36810 R10: ffffffff83a189d0 R11: 0000000000000000 R12: ffff8801db61b380 R13: ffff8801d8d6fc78 R14: ffff8801d8c19500 R15: ffff8801db61df00 FS: 0000000000000000(0000) GS:ffff8801db600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c427972008 CR3: 00000000b912f000 CR4: 00000000001606b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: 0000000000000000 ffff8801db61b380 ffff8801d8d6fc78 ffff8801d8c19500 ffff8801d8d6fd00 ffffffff81122c25 ffffffff81122b42 ffffffff81159431 ffff8801d8c19548 ffff8800003f9b80 ffff880100000000 ffff8801d8c19520 Call Trace: [] process_one_work+0x825/0x1720 kernel/workqueue.c:2064 [] worker_thread+0x4e4/0xf50 kernel/workqueue.c:2196 [] kthread+0x273/0x310 kernel/kthread.c:211 [] ret_from_fork+0x55/0x80 arch/x86/entry/entry_64.S:537 Code: 89 f6 e8 4b 95 d1 ff 5b 41 5c 41 5d 41 5e 5d c3 e8 cd e3 6f 00 89 c0 f0 48 0f ab 05 92 f4 c1 02 72 09 5b 41 5c 41 5d 41 5e 5d c3 <0f> 0b e8 c0 84 07 00 eb af 0f 1f 40 00 66 2e 0f 1f 84 00 00 00 RIP [] vmstat_update+0x99/0xb0 mm/vmstat.c:1427 RSP ---[ end trace 4050a47a662e0e0c ]---