audit: type=1400 audit(1556584178.228:5): avc:  denied  { associate } for  pid=2128 comm="syz-executor.5" name="syz5" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1
hrtimer: interrupt took 39745 ns
skbuff: skb_over_panic: text:000000004abd5fb1 len:232 put:72 head:000000006b55ef78 data:000000006b55ef78 tail:0xe8 end:0xc0 dev:<NULL>
------------[ cut here ]------------
kernel BUG at net/core/skbuff.c:105!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 1 PID: 3038 Comm: syz-executor.1 Not tainted 4.9.170+ #48
task: 00000000500c2234 task.stack: 0000000095f48559
RIP: 0010:[<ffffffff827f4d17>]  [<000000003b0efac2>] skb_panic+0x176/0x178 net/core/skbuff.c:105
RSP: 0018:ffff8801c2046d60  EFLAGS: 00010282
RAX: 0000000000000086 RBX: ffff8801d007b000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff812276c7 RDI: ffffed0038408d9e
RBP: ffff8801c2046dc8 R08: 0000000000000086 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: ffffffff82c73c80
R13: ffffffff827f2326 R14: 0000000000000048 R15: ffffffff82c73860
FS:  00007fa50c00e700(0000) GS:ffff8801db700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd95c98cc0 CR3: 00000001d7f19000 CR4: 00000000001606b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 ffff8801c7574500 00000000000000e8 00000000000000c0 ffffffff82c73860
 0000000000000024 ffff8801c7574500 00000000000000e8 00000000000000c0
 00000000000000e8 ffff8801d007b000 0000000000000048 ffffffff827f2326
Call Trace:
 [<000000001f719d71>] skb_over_panic net/core/skbuff.c:110 [inline]
 [<000000001f719d71>] skb_put.cold+0x23/0x23 net/core/skbuff.c:1443
 [<000000004abd5fb1>] dump_esp_combs net/key/af_key.c:3025 [inline]
 [<000000004abd5fb1>] pfkey_send_acquire+0x1656/0x23f0 net/key/af_key.c:3248
 [<000000008a1e046f>] km_query+0xba/0x1d0 net/xfrm/xfrm_state.c:1807
 [<00000000e1366129>] xfrm_state_find+0x18b3/0x2910 net/xfrm/xfrm_state.c:879
 [<000000007441cda4>] xfrm_tmpl_resolve_one+0x1c7/0x7a0 net/xfrm/xfrm_policy.c:1500
 [<00000000f12de6a2>] xfrm_tmpl_resolve net/xfrm/xfrm_policy.c:1544 [inline]
 [<00000000f12de6a2>] xfrm_resolve_and_create_bundle+0x210/0x1e80 net/xfrm/xfrm_policy.c:1896
 [<00000000a9714f97>] xfrm_lookup+0x200/0xaf0 net/xfrm/xfrm_policy.c:2257
 [<000000000755c056>] xfrm_lookup_route+0x38/0x140 net/xfrm/xfrm_policy.c:2382
 [<000000002ce00239>] ip_route_output_flow+0x93/0xa0 net/ipv4/route.c:2455
 [<000000002aace629>] udp_sendmsg+0x1494/0x1c60 net/ipv4/udp.c:1025
 [<00000000aac60d63>] udpv6_sendmsg+0x12af/0x2430 net/ipv6/udp.c:1086
 [<0000000031bf6c15>] inet_sendmsg+0x202/0x4d0 net/ipv4/af_inet.c:766
 [<000000008f21a59e>] sock_sendmsg_nosec net/socket.c:649 [inline]
 [<000000008f21a59e>] sock_sendmsg+0xbe/0x110 net/socket.c:659
 [<00000000ba322861>] ___sys_sendmsg+0x387/0x8b0 net/socket.c:1983
 [<000000006903a029>] __sys_sendmmsg+0x164/0x3d0 net/socket.c:2073
 [<000000001f0d3632>] SYSC_sendmmsg net/socket.c:2104 [inline]
 [<000000001f0d3632>] SyS_sendmmsg+0x35/0x60 net/socket.c:2099
 [<00000000a953ea15>] do_syscall_64+0x1ad/0x570 arch/x86/entry/common.c:285
 [<000000005803914a>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb
Code: f0 40 d0 fe 4c 8b 4d b8 8b 4b 78 41 57 45 89 f0 4c 89 ea ff 75 d0 4c 89 e6 48 c7 c7 a0 38 c7 82 ff 75 c8 ff 75 c0 e8 10 0a c1 fe <0f> 0b e8 92 84 b2 fe 4c 8b 65 08 e8 39 28 d0 fe 48 c7 c1 40 3c 
RIP  [<000000003b0efac2>] skb_panic+0x176/0x178 net/core/skbuff.c:101
 RSP <ffff8801c2046d60>
---[ end trace 07c6592973b50a27 ]---