BUG: unable to handle kernel paging request at ffffed00b9e928d0
IP: [<ffffffff832a520b>] xfrm_hash_rebuild+0x47b/0xa80 net/xfrm/xfrm_policy.c:633
PGD 21ff6a067 PUD 0 
Oops: 0000 [#1] PREEMPT SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 0 PID: 1772 Comm: kworker/0:2 Not tainted 4.4.119-g024f962 #26
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events xfrm_hash_rebuild
task: ffff8800b684b000 task.stack: ffff8800b6888000
RIP: 0010:[<ffffffff832a520b>]  [<ffffffff832a520b>] xfrm_hash_rebuild+0x47b/0xa80 net/xfrm/xfrm_policy.c:633
RSP: 0018:ffff8800b688fbb8  EFLAGS: 00010a02
RAX: 1ffff100b9e928d0 RBX: dffffc0000000000 RCX: ffffffff832a31e2
RDX: 0000000000000000 RSI: ffff8801c5410000 RDI: ffff8801c5411680
RBP: ffff8800b688fc40 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 1ffff10016d11f3e R12: ffff8801d1e88880
R13: ffff8805cf494680 R14: ffff8801c54116b8 R15: 0000000000000002
FS:  0000000000000000(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffed00b9e928d0 CR3: 00000001d1c48000 CR4: 0000000000160670
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 ffffffff8117fd37 ffff8801c5411758 ffffed0038a822c9 ffff8801c541164c
 ffff8801c54119f8 ffff8801c5411618 ffff8801c5411780 80ff8801db21eb40
 ffff8801c54115f8 ffff8801c5410000 0000000000000200 ffff8801c54116b8
Call Trace:
 [<ffffffff8117fd37>] process_one_work+0x7d7/0x16e0 kernel/workqueue.c:2064
 [<ffffffff81180d19>] worker_thread+0xd9/0xfc0 kernel/workqueue.c:2196
 [<ffffffff81190788>] kthread+0x268/0x300 kernel/kthread.c:211
 [<ffffffff83773a45>] ret_from_fork+0x55/0x80 arch/x86/entry/entry_64.S:506
Code: 7c 08 84 d2 0f 85 ca 05 00 00 48 8b 7d c0 49 8d b4 24 f4 00 00 00 41 0f b7 94 24 74 02 00 00 e8 ec de ff ff 49 89 c5 48 c1 e8 03 <80> 3c 18 00 0f 85 e2 05 00 00 49 8b 55 00 49 8d 44 24 08 48 89 
RIP  [<ffffffff832a520b>] xfrm_hash_rebuild+0x47b/0xa80 net/xfrm/xfrm_policy.c:633
 RSP <ffff8800b688fbb8>
CR2: ffffed00b9e928d0
---[ end trace 1ffbf9adb23e9577 ]---
Kernel panic - not syncing: Fatal exception in interrupt
Dumping ftrace buffer:
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Kernel Offset: disabled
Rebooting in 86400 seconds..