audit: type=1400 audit(1568030904.680:5): avc:  denied  { associate } for  pid=2070 comm="syz-executor.0" name="syz0" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'.
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'.
netlink: 12 bytes leftover after parsing attributes in process `syz-executor.0'.
------------[ cut here ]------------
WARNING: CPU: 0 PID: 2224 at net/xfrm/xfrm_policy.c:797 xfrm_policy_insert+0x6fa/0x10e0 net/xfrm/xfrm_policy.c:797
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 2224 Comm: syz-executor.0 Not tainted 4.9.191+ #0
 ffff8801c95c73b0 ffffffff81b67171 0000000000000000 ffffffff82a3b340
 00000000ffffffff 0000000000000000 0000000000000009 ffff8801c95c7490
 ffffffff813ff0ca 0000000041b58ab3 ffffffff82e32ec5 ffffffff813feef1
Call Trace:
 [<000000001831a2eb>] __dump_stack lib/dump_stack.c:15 [inline]
 [<000000001831a2eb>] dump_stack+0xc1/0x120 lib/dump_stack.c:51
 [<00000000545ac1b1>] panic+0x1d9/0x3bd kernel/panic.c:180
 [<00000000fd153d04>] __warn.cold+0x2f/0x2f kernel/panic.c:546
 [<00000000c2ebce6a>] warn_slowpath_null+0x2d/0x40 kernel/panic.c:589
 [<00000000e86a8338>] xfrm_policy_insert+0x6fa/0x10e0 net/xfrm/xfrm_policy.c:797
 [<00000000af8d59ba>] xfrm_add_policy+0x23c/0x4b0 net/xfrm/xfrm_user.c:1648
 [<00000000bf678f64>] xfrm_user_rcv_msg+0x32c/0x5e0 net/xfrm/xfrm_user.c:2627
 [<0000000074c6c4e1>] netlink_rcv_skb+0xd4/0x2e0 net/netlink/af_netlink.c:2365
 [<000000004fb221df>] xfrm_netlink_rcv+0x70/0x90 net/xfrm/xfrm_user.c:2635
 [<00000000c5f68fcd>] netlink_unicast_kernel net/netlink/af_netlink.c:1285 [inline]
 [<00000000c5f68fcd>] netlink_unicast+0x4c6/0x6d0 net/netlink/af_netlink.c:1311
 [<000000008e7b4518>] netlink_sendmsg+0x6b6/0xc80 net/netlink/af_netlink.c:1859
 [<000000003a329504>] sock_sendmsg_nosec net/socket.c:649 [inline]
 [<000000003a329504>] sock_sendmsg+0xbe/0x110 net/socket.c:659
 [<0000000043821e95>] ___sys_sendmsg+0x78b/0x8b0 net/socket.c:1983
 [<00000000fdc0eb46>] __sys_sendmsg+0xc8/0x170 net/socket.c:2017
 [<000000000bb2318b>] SYSC_sendmsg net/socket.c:2028 [inline]
 [<000000000bb2318b>] SyS_sendmsg+0x2d/0x50 net/socket.c:2024
 [<000000001363333a>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288
 [<00000000f29008f2>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
Kernel Offset: disabled
Rebooting in 86400 seconds..