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unsupported nla_type 3599
WARNING: CPU: 0 PID: 10913 at net/xfrm/xfrm_compat.c:280 xfrm_xlate64_attr net/xfrm/xfrm_compat.c:280 [inline]
WARNING: CPU: 0 PID: 10913 at net/xfrm/xfrm_compat.c:280 xfrm_xlate64 net/xfrm/xfrm_compat.c:301 [inline]
WARNING: CPU: 0 PID: 10913 at net/xfrm/xfrm_compat.c:280 xfrm_alloc_compat+0xd07/0x1200 net/xfrm/xfrm_compat.c:328
Modules linked in:

CPU: 1 PID: 10913 Comm: syz-executor.0 Not tainted 5.11.0-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+0xd07/0x1200 net/xfrm/xfrm_compat.c:328
Code: ff ff e8 ec 3d 43 f9 0f 0b e9 9e fe ff ff e8 e0 3d 43 f9 c6 05 56 09 6c 05 01 48 c7 c7 c0 da dd 8a 89 de 31 c0 e8 89 b0 12 f9 <0f> 0b e9 bd fd ff ff e8 bd 3d 43 f9 c6 05 32 09 6c 05 01 48 c7 c7
RSP: 0018:ffffc900024477b8 EFLAGS: 00010246
RAX: ca80ab6e5c470200 RBX: 0000000000000e0f RCX: 0000000000040000
RDX: ffffc90001bb9000 RSI: 000000000000977b RDI: 000000000000977c
RBP: 000000000000000c R08: ffffffff815fb522 R09: ffffed1017384004
R10: ffffed1017384004 R11: 0000000000000000 R12: ffff88802d8691fc
R13: dffffc0000000000 R14: 1ffff11005b0d23f R15: 000000000000005c
FS:  00007f08abc25700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffccede7edc CR3: 00000000263ef000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 xfrm_alloc_userspi+0x7bf/0xbb0 net/xfrm/xfrm_user.c:1448
 xfrm_user_rcv_msg+0x5fd/0x7f0 net/xfrm/xfrm_user.c:2812
 netlink_rcv_skb+0x190/0x3a0 net/netlink/af_netlink.c:2494
 xfrm_netlink_rcv+0x70/0x80 net/xfrm/xfrm_user.c:2824
 netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline]
 netlink_unicast+0x786/0x940 net/netlink/af_netlink.c:1330
 netlink_sendmsg+0x9ae/0xd50 net/netlink/af_netlink.c:1919
 sock_sendmsg_nosec net/socket.c:652 [inline]
 sock_sendmsg net/socket.c:672 [inline]
 ____sys_sendmsg+0x519/0x800 net/socket.c:2345
 ___sys_sendmsg net/socket.c:2399 [inline]
 __sys_sendmsg+0x2bf/0x370 net/socket.c:2432
 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x465d99
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:00007f08abc25188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 000000000056bf60 RCX: 0000000000465d99
RDX: 0000000004008800 RSI: 00000000200003c0 RDI: 0000000000000003
RBP: 00000000004bcf27 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf60
R13: 00007ffe1fab5f7f R14: 00007f08abc25300 R15: 0000000000022000