netlink: 5 bytes leftover after parsing attributes in process `syz-executor2'.
netlink: 5 bytes leftover after parsing attributes in process `syz-executor2'.
------------[ 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: 0 PID: 27462 Comm: syz-executor4 Not tainted 4.13.0-rc7+ #59
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8801c9272240 task.stack: ffff8801c4a90000
RIP: 0010:pfkey_xfrm_policy2msg+0x209c/0x22b0 net/key/af_key.c:2068
RSP: 0018:ffff8801c4a97418 EFLAGS: 00010216
RAX: 0000000000010000 RBX: ffff8801c2b9fd34 RCX: ffffc90003651000
RDX: 00000000000004c6 RSI: ffffffff843f858c RDI: ffff8801c2b9fbe4
RBP: ffff8801c4a974f0 R08: 0000000000000001 R09: ffff8801c76d56c0
R10: 000000000000001b R11: ffffed0038edaaf2 R12: ffff8801c2b9fc00
R13: ffff8801c2b9fb00 R14: 0000000000000008 R15: 0000000000000001
FS:  00007fc59ab9b700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020ff9fc8 CR3: 00000001c73f3000 CR4: 00000000001426f0
DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600
Call Trace:
 dump_sp+0x14f/0x510 net/key/af_key.c:2673
 xfrm_policy_walk+0x2f1/0xa30 net/xfrm/xfrm_policy.c:1042
 pfkey_dump_sp+0x42/0x50 net/key/af_key.c:2696
 pfkey_do_dump+0xaa/0x3f0 net/key/af_key.c:299
 pfkey_spddump+0x1a0/0x210 net/key/af_key.c:2723
 pfkey_process+0x60b/0x720 net/key/af_key.c:2815
 pfkey_sendmsg+0x4d6/0x9f0 net/key/af_key.c:3654
 sock_sendmsg_nosec net/socket.c:633 [inline]
 sock_sendmsg+0xca/0x110 net/socket.c:643
 ___sys_sendmsg+0x755/0x890 net/socket.c:2035
 __sys_sendmsg+0xe5/0x210 net/socket.c:2069
 SYSC_sendmsg net/socket.c:2080 [inline]
 SyS_sendmsg+0x2d/0x50 net/socket.c:2076
 entry_SYSCALL_64_fastpath+0x1f/0xbe
RIP: 0033:0x4512e9
RSP: 002b:00007fc59ab9ac08 EFLAGS: 00000216 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00000000007180a8 RCX: 00000000004512e9
RDX: 0000000000000000 RSI: 000000002023dfc8 RDI: 0000000000000019
RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000216 R12: 00000000004b9a02
R13: 00000000ffffffff R14: 000000002002ef88 R15: 0000000000000000
Code: ff ff 48 89 95 58 ff ff ff 89 8d 70 ff ff ff e8 bb 4e 61 fd 48 8b 95 58 ff ff ff 8b 8d 70 ff ff ff e9 04 e3 ff ff e8 34 8f 2e fd <0f> 0b be 02 00 00 00 4c 89 f7 e8 d5 4f 61 fd e9 6f e3 ff ff 48 
RIP: pfkey_xfrm_policy2msg+0x209c/0x22b0 net/key/af_key.c:2068 RSP: ffff8801c4a97418
---[ end trace adc104c16b708886 ]---