audit: type=1400 audit(1539992170.627:1238): avc:  denied  { create } for  pid=30403 comm="syz-executor5" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=0
------------[ cut here ]------------
WARNING: CPU: 0 PID: 28250 at net/xfrm/xfrm_policy.c:2982 xfrm_policy_fini+0x266/0x2f0 net/xfrm/xfrm_policy.c:2982()
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 28250 Comm: kworker/u4:0 Not tainted 4.4.161+ #112
Workqueue: netns cleanup_net
 0000000000000000 965f17101c5a69f8 ffff8801aeab7930 ffffffff81a9969d
 ffffffff828354e0 ffff88009e0e4740 ffffffff82a91040 0000000000000009
 0000000000000ba6 ffff8801aeab79f0 ffffffff813a10b4 0000000041b58ab3
Call Trace:
 [<ffffffff81a9969d>] __dump_stack lib/dump_stack.c:15 [inline]
 [<ffffffff81a9969d>] dump_stack+0xc1/0x124 lib/dump_stack.c:51
 [<ffffffff813a10b4>] panic+0x19e/0x359 kernel/panic.c:112
 [<ffffffff813a12a4>] warn_slowpath_common.cold.6+0x20/0x20 kernel/panic.c:455
 [<ffffffff810d4389>] warn_slowpath_null+0x29/0x30 kernel/panic.c:492
 [<ffffffff82537936>] xfrm_policy_fini+0x266/0x2f0 net/xfrm/xfrm_policy.c:2982
 [<ffffffff825379e5>] xfrm_net_exit+0x25/0x30 net/xfrm/xfrm_policy.c:3043
 [<ffffffff82203130>] ops_exit_list.isra.0+0xb0/0x160 net/core/net_namespace.c:134
 [<ffffffff82205f82>] cleanup_net+0x3f2/0x880 net/core/net_namespace.c:452
 [<ffffffff81122cb4>] process_one_work+0x824/0x1670 kernel/workqueue.c:2064
 [<ffffffff81123bd9>] worker_thread+0xd9/0x1060 kernel/workqueue.c:2196
 [<ffffffff81134038>] kthread+0x268/0x300 kernel/kthread.c:211
 [<ffffffff82705fc5>] ret_from_fork+0x55/0x80 arch/x86/entry/entry_64.S:510
Kernel Offset: disabled
Rebooting in 86400 seconds..