unsupported nla_type 0 WARNING: CPU: 0 PID: 14342 at net/xfrm/xfrm_compat.c:279 xfrm_xlate64_attr net/xfrm/xfrm_compat.c:279 [inline] WARNING: CPU: 0 PID: 14342 at net/xfrm/xfrm_compat.c:279 xfrm_xlate64 net/xfrm/xfrm_compat.c:300 [inline] WARNING: CPU: 0 PID: 14342 at net/xfrm/xfrm_compat.c:279 xfrm_alloc_compat+0xf39/0x10d0 net/xfrm/xfrm_compat.c:327 Modules linked in: CPU: 0 PID: 14342 Comm: syz-executor.3 Not tainted 5.9.0-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:279 [inline] RIP: 0010:xfrm_xlate64 net/xfrm/xfrm_compat.c:300 [inline] RIP: 0010:xfrm_alloc_compat+0xf39/0x10d0 net/xfrm/xfrm_compat.c:327 Code: de e8 8b 69 d3 f9 84 db 0f 85 b0 f8 ff ff e8 6e 71 d3 f9 8b 74 24 08 48 c7 c7 00 b8 51 8a c6 05 a7 0e 3c 05 01 e8 e7 dd 0e 01 <0f> 0b e9 8d f8 ff ff e8 4b 71 d3 f9 8b 14 24 48 c7 c7 c0 b7 51 8a RSP: 0018:ffffc90002a9f4b8 EFLAGS: 00010282 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000040000 RSI: ffffffff8158ce35 RDI: fffff52000553e89 RBP: 00000000000001a0 R08: 0000000000000001 R09: ffff8880b9e2005b R10: 0000000000000000 R11: 0000000000000000 R12: 00000000ffffffa1 R13: ffff88802775a0f8 R14: ffff88801bb5b3c0 R15: ffff888012fcb8c0 FS: 00007f26754a7700(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000748138 CR3: 000000001ace6000 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:1388 xfrm_user_rcv_msg+0x42f/0x8b0 net/xfrm/xfrm_user.c:2752 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2494 xfrm_netlink_rcv+0x6b/0x90 net/xfrm/xfrm_user.c:2764 netlink_unicast_kernel net/netlink/af_netlink.c:1304 [inline] netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1330 netlink_sendmsg+0x856/0xd90 net/netlink/af_netlink.c:1919 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:671 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2353 ___sys_sendmsg+0xf3/0x170 net/socket.c:2407 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2440 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x45de59 Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f26754a6c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000002e640 RCX: 000000000045de59 RDX: 0000000000000000 RSI: 0000000020000100 RDI: 0000000000000003 RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c R13: 00007ffe0209444f R14: 00007f26754a79c0 R15: 000000000118bf2c