netlink: 1 bytes leftover after parsing attributes in process `syz-executor7'.
------------[ cut here ]------------
kernel BUG at net/key/af_key.c:2068!
invalid opcode: 0000 [#1] SMP KASAN
Dumping ftrace buffer:
   (ftrace buffer empty)
Modules linked in:
CPU: 1 PID: 10018 Comm: syz-executor2 Not tainted 4.14.0-rc1+ #89
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801c1a28400 task.stack: ffff8801cf228000
RIP: 0010:pfkey_xfrm_policy2msg+0x209c/0x22b0 net/key/af_key.c:2068
RSP: 0018:ffff8801cf22f418 EFLAGS: 00010202
RAX: 0000000000010000 RBX: ffff8801c8b1948c RCX: ffffc90001aab000
RDX: 0000000000000890 RSI: ffffffff8442f8ec RDI: ffff8801c8b1932c
RBP: ffff8801cf22f4f0 R08: 0000000000000001 R09: ffff8801dac60480
R10: 0000000000000018 R11: ffffed003b58c0a7 R12: ffff8801c8b19348
R13: ffff8801c8b19240 R14: 0000000000000008 R15: 0000000000000001
FS:  00007f837cf68700(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002081bff4 CR3: 00000001d8efc000 CR4: 00000000001406e0
DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000020000000
DR3: 0000000020000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 dump_sp+0x14f/0x510 net/key/af_key.c:2669
 xfrm_policy_walk+0x2f1/0xa30 net/xfrm/xfrm_policy.c:1015
 pfkey_dump_sp+0x42/0x50 net/key/af_key.c:2692
 pfkey_do_dump+0xaa/0x3f0 net/key/af_key.c:299
 pfkey_spddump+0x1a0/0x210 net/key/af_key.c:2719
 pfkey_process+0x60b/0x720 net/key/af_key.c:2809
 pfkey_sendmsg+0x4d6/0x9f0 net/key/af_key.c:3648
 sock_sendmsg_nosec net/socket.c:633 [inline]
 sock_sendmsg+0xca/0x110 net/socket.c:643
 ___sys_sendmsg+0x75b/0x8a0 net/socket.c:2049
 __sys_sendmsg+0xe5/0x210 net/socket.c:2083
 SYSC_sendmsg net/socket.c:2094 [inline]
 SyS_sendmsg+0x2d/0x50 net/socket.c:2090
 entry_SYSCALL_64_fastpath+0x1f/0xbe
RIP: 0033:0x451e59
RSP: 002b:00007f837cf67c08 EFLAGS: 00000216 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000718000 RCX: 0000000000451e59
RDX: 0000000000000000 RSI: 000000002023dfc8 RDI: 000000000000001a
RBP: 0000000000000082 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000216 R12: 00000000004b8ca6
R13: 00000000ffffffff R14: ffffffffffffffff R15: 000000000000ae04
Code: ff ff 48 89 95 58 ff ff ff 89 8d 70 ff ff ff e8 2b 91 5f fd 48 8b 95 58 ff ff ff 8b 8d 70 ff ff ff e9 04 e3 ff ff e8 34 df 2a fd <0f> 0b be 02 00 00 00 4c 89 f7 e8 45 92 5f fd e9 6f e3 ff ff 48 
RIP: pfkey_xfrm_policy2msg+0x209c/0x22b0 net/key/af_key.c:2068 RSP: ffff8801cf22f418
---[ end trace 2895254cd8af7f4b ]---