kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 1 PID: 10822 Comm: kworker/u4:28 Not tainted 4.9.90-gdd1e37e #66 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: netns cleanup_net task: ffff8801bf864800 task.stack: ffff8801aefc0000 RIP: 0010:[] [] get_work_pool+0xf6/0x1d0 kernel/workqueue.c:716 RSP: 0018:ffff8801aefc78f8 EFLAGS: 00010006 RAX: dffffc0000000000 RBX: 0000001ffffffe00 RCX: ffffffff81181ace RDX: 00000003ffffffc0 RSI: ffffffff844ddde0 RDI: 0000000000000046 RBP: ffff8801aefc7910 R08: 1ffff10037f0ca24 R09: 0000000000000001 R10: 0000000000000000 R11: ffff8801bf864800 R12: 1ffff10035df8f29 R13: ffff8801aefc7bd0 R14: dffffc0000000000 R15: ffff8801b82d1310 FS: 0000000000000000(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fae6eb209b8 CR3: 00000001d98e8000 CR4: 0000000000160670 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Stack: ffff8801b82d12f0 1ffff10035df8f29 ffff8801aefc7bd0 ffff8801aefc7a50 ffffffff81186ea5 ffffffff81186dd0 0000000000000002 0000000000000007 ffff8801bf864800 dffffc0000000000 0000000041b58ab3 ffffffff8418c274 Call Trace: [] start_flush_work kernel/workqueue.c:2785 [inline] [] flush_work+0xd5/0x6f0 kernel/workqueue.c:2845 [] xfrm_policy_fini+0x2e/0x310 net/xfrm/xfrm_policy.c:2998 [] xfrm_net_exit+0x25/0x30 net/xfrm/xfrm_policy.c:3065 [] ops_exit_list.isra.4+0xae/0x150 net/core/net_namespace.c:136 [] cleanup_net+0x31d/0x610 net/core/net_namespace.c:454 [] process_one_work+0x7e0/0x1610 kernel/workqueue.c:2092 [] worker_thread+0xe0/0x10d0 kernel/workqueue.c:2226 [] kthread+0x26d/0x300 kernel/kthread.c:211 [] ret_from_fork+0x5c/0x70 arch/x86/entry/entry_64.S:373 Code: 41 8a 1e 00 48 89 d8 5b 41 5c 41 5d 5d c3 e8 32 8a 1e 00 48 81 e3 00 fe ff ff 48 b8 00 00 00 00 00 fc ff df 48 89 da 48 c1 ea 03 <80> 3c 02 00 0f 85 bc 00 00 00 48 8b 1b e8 08 8a 1e 00 48 89 d8 RIP [] get_work_pool+0xf6/0x1d0 kernel/workqueue.c:716 RSP ---[ end trace fdb67f688bd72eee ]--- Kernel panic - not syncing: Fatal exception Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..