netlink: 4 bytes leftover after parsing attributes in process `syz-executor.5'.
------------[ cut here ]------------
unsupported nla_type 256
WARNING: CPU: 0 PID: 5226 at net/xfrm/xfrm_compat.c:280 xfrm_xlate64_attr net/xfrm/xfrm_compat.c:280 [inline]
WARNING: CPU: 0 PID: 5226 at net/xfrm/xfrm_compat.c:280 xfrm_xlate64 net/xfrm/xfrm_compat.c:301 [inline]
WARNING: CPU: 0 PID: 5226 at net/xfrm/xfrm_compat.c:280 xfrm_alloc_compat+0xfc7/0x11c0 net/xfrm/xfrm_compat.c:328
Modules linked in:
CPU: 0 PID: 5226 Comm: syz-executor.5 Not tainted 5.10.0-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+0xfc7/0x11c0 net/xfrm/xfrm_compat.c:328
Code: 0f b6 14 02 4c 89 c0 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 fb 01 00 00 41 0f b7 75 02 48 c7 c7 80 68 76 8a e8 97 d1 13 01 <0f> 0b 41 bf a1 ff ff ff e9 24 f8 ff ff e8 b7 6e bd f9 0f 0b e9 17
RSP: 0018:ffffc9000710f490 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000040000 RSI: ffffffff815b9465 RDI: fffff52000e21e84
RBP: 0000000000000134 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff815b78bb R11: 0000000000000000 R12: 00000000000000e0
R13: ffff88802bf380f8 R14: ffff888021ee5500 R15: 00000000ffffffa1
FS:  0000000000000000(0000) GS:ffff8880b9c00000(0063) knlGS:00000000f54fdb40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 000000000815d0f0 CR3: 0000000027a16000 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+0x42f/0x8b0 net/xfrm/xfrm_user.c:2812
 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2494
 xfrm_netlink_rcv+0x6b/0x90 net/xfrm/xfrm_user.c:2824
 netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline]
 netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1330
 netlink_sendmsg+0x907/0xe40 net/netlink/af_netlink.c:1919
 sock_sendmsg_nosec net/socket.c:652 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:672
 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2345
 ___sys_sendmsg+0xf3/0x170 net/socket.c:2399
 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2432
 do_syscall_32_irqs_on arch/x86/entry/common.c:78 [inline]
 __do_fast_syscall_32+0x56/0x80 arch/x86/entry/common.c:137
 do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:160
 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c
RIP: 0023:0xf7f03549
Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 002b:00000000f54fd0cc EFLAGS: 00000296 ORIG_RAX: 0000000000000172
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000200004c0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000