netlink: 40 bytes leftover after parsing attributes in process `syz-executor.0'.
------------[ cut here ]------------
unsupported nla_type 8849
WARNING: CPU: 1 PID: 9963 at net/xfrm/xfrm_compat.c:280 xfrm_xlate64_attr net/xfrm/xfrm_compat.c:280 [inline]
WARNING: CPU: 1 PID: 9963 at net/xfrm/xfrm_compat.c:280 xfrm_xlate64 net/xfrm/xfrm_compat.c:301 [inline]
WARNING: CPU: 1 PID: 9963 at net/xfrm/xfrm_compat.c:280 xfrm_alloc_compat+0xf39/0x10d0 net/xfrm/xfrm_compat.c:328
Modules linked in:
CPU: 1 PID: 9963 Comm: syz-executor.0 Not tainted 5.12.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:xfrm_xlate64_attr net/xfrm/xfrm_compat.c:280 [inline]
RIP: 0010:xfrm_xlate64 net/xfrm/xfrm_compat.c:301 [inline]
RIP: 0010:xfrm_alloc_compat+0xf39/0x10d0 net/xfrm/xfrm_compat.c:328
Code: de e8 cb 9b c6 f9 84 db 0f 85 b0 f8 ff ff e8 0e 95 c6 f9 8b 74 24 08 48 c7 c7 c0 27 75 8a c6 05 2d 17 04 06 01 e8 54 47 17 01 <0f> 0b e9 8d f8 ff ff e8 eb 94 c6 f9 8b 14 24 48 c7 c7 80 27 75 8a
RSP: 0018:ffffc900180774b8 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000040000 RSI: ffffffff815c5205 RDI: fffff5200300ee89
RBP: 0000000000000030 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff815bdf9e R11: 0000000000000000 R12: 00000000ffffffa1
R13: ffff8880209220f8 R14: ffff88801ee2b640 R15: ffff88802b895a00
FS:  00007f5867a9f700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055aebed26db0 CR3: 000000002046e000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 xfrm_alloc_userspi+0x66a/0xa30 net/xfrm/xfrm_user.c:1448
 xfrm_user_rcv_msg+0x42c/0x8b0 net/xfrm/xfrm_user.c:2812
 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2502
 xfrm_netlink_rcv+0x6b/0x90 net/xfrm/xfrm_user.c:2824
 netlink_unicast_kernel net/netlink/af_netlink.c:1312 [inline]
 netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1338
 netlink_sendmsg+0x856/0xd90 net/netlink/af_netlink.c:1927
 sock_sendmsg_nosec net/socket.c:654 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:674
 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2350
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2404
 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2433
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x466459
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f5867a9f188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000466459
RDX: 0000000020088814 RSI: 0000000020000480 RDI: 0000000000000003
RBP: 00000000004bf9fb R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60
R13: 00007ffeeb93b9bf R14: 00007f5867a9f300 R15: 0000000000022000