IPVS: Creating netns size=2552 id=7 IPVS: Creating netns size=2552 id=8 ------------[ cut here ]------------ kernel BUG at mm/vmstat.c:1420! invalid opcode: 0000 [#1] PREEMPT SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 0 PID: 381 Comm: kworker/0:1 Not tainted 4.4.107-g610c835 #4 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: vmstat vmstat_update task: ffff8800bb3897c0 task.stack: ffff8801d91b0000 RIP: 0010:[] [] vmstat_update+0x33/0xb0 mm/vmstat.c:1422 RSP: 0018:ffff8801d91b7c10 EFLAGS: 00010283 RAX: 0000000000000000 RBX: ffff8801db218f20 RCX: ffffffff81d63d8b RDX: 0000000000000000 RSI: ffffffff839fd520 RDI: ffff8800bb389b60 RBP: ffff8801d91b7c30 R08: 0000000000000000 R09: ffffffff850e1c50 R10: 0000000000000001 R11: 1ffff1003b236f54 R12: 0000000000000000 R13: ffff8801d91b7cc0 R14: ffff8801db21e600 R15: ffff8801da308600 FS: 0000000000000000(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000008452798 CR3: 00000000b6ad0000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: ffff8801d91b7cc0 ffff8801db218f20 0000000000000000 ffff8801d91b7cc0 ffff8801d91b7d48 ffffffff8117d3f7 ffffffff8117d317 ffff8801da308648 ffff8801d93d6780 ffffffff00000000 ffff8801da308620 ffff8801da308610 Call Trace: [] process_one_work+0x7d7/0x16e0 kernel/workqueue.c:2064 [] worker_thread+0xdf/0xfe0 kernel/workqueue.c:2196 [] kthread+0x268/0x300 kernel/kthread.c:211 [] ret_from_fork+0x3f/0x70 arch/x86/entry/entry_64.S:468 Code: 53 48 83 ec 08 e8 5e fd ff ff 85 c0 75 1f e8 a5 44 8f 00 89 c0 f0 48 0f ab 05 0a 37 2b 04 72 0b 48 83 c4 08 5b 41 5c 41 5d 5d c3 <0f> 0b 48 63 3d f4 67 37 03 48 c7 c3 20 8f 01 00 e8 58 b8 e2 ff RIP [] vmstat_update+0x33/0xb0 mm/vmstat.c:1422 RSP ---[ end trace f461d006ad1905c2 ]--- Kernel panic - not syncing: Fatal exception Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..