netlink: 'syz.8.6681': attribute type 3 has an invalid length.
netlink: 24 bytes leftover after parsing attributes in process `syz.8.6681'.
------------[ cut here ]------------
memcpy: detected field-spanning write (size 32) of single field "&new->sel" at net/sched/cls_u32.c:871 (size 16)
WARNING: CPU: 0 PID: 25902 at net/sched/cls_u32.c:871 u32_init_knode net/sched/cls_u32.c:871 [inline]
WARNING: CPU: 0 PID: 25902 at net/sched/cls_u32.c:871 u32_change+0x1ead/0x29a0 net/sched/cls_u32.c:937
Modules linked in:
CPU: 0 PID: 25902 Comm: syz.8.6681 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
RIP: 0010:u32_init_knode net/sched/cls_u32.c:871 [inline]
RIP: 0010:u32_change+0x1ead/0x29a0 net/sched/cls_u32.c:937
Code: 18 eb 33 e8 95 95 ca f8 c6 05 87 06 bb 06 01 b9 10 00 00 00 48 c7 c7 00 03 e9 8b 4c 89 fe 48 c7 c2 80 03 e9 8b e8 93 43 94 f8 <0f> 0b e9 8d ee ff ff e8 67 95 ca f8 48 b8 00 00 00 00 00 fc ff df
RSP: 0018:ffffc9000b97ed40 EFLAGS: 00010246
RAX: 76db76342f14ed00 RBX: 0000000000000010 RCX: 0000000000080000
RDX: ffffc9000d1ba000 RSI: 0000000000007695 RDI: 0000000000007696
RBP: ffffc9000b97ef18 R08: ffffc9000b97e947 R09: 1ffff9200172fd28
R10: dffffc0000000000 R11: fffff5200172fd29 R12: 1ffff9200172fdbc
R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000020
FS:  00007f8cd15dd6c0(0000) GS:ffff8880b8c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8cd07ecc40 CR3: 000000001e763000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000008000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 tc_new_tfilter+0x13a7/0x1980 net/sched/cls_api.c:2426
 rtnetlink_rcv_msg+0x892/0xf90 net/core/rtnetlink.c:6480
 netlink_rcv_skb+0x235/0x4c0 net/netlink/af_netlink.c:2550
 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline]
 netlink_unicast+0x7b1/0x930 net/netlink/af_netlink.c:1346
 netlink_sendmsg+0x8d0/0xbf0 net/netlink/af_netlink.c:1899
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg net/socket.c:745 [inline]
 ____sys_sendmsg+0x61b/0x980 net/socket.c:2595
 ___sys_sendmsg+0x2a6/0x360 net/socket.c:2649
 __sys_sendmmsg+0x2ca/0x510 net/socket.c:2735
 __do_sys_sendmmsg net/socket.c:2764 [inline]
 __se_sys_sendmmsg net/socket.c:2761 [inline]
 __x64_sys_sendmmsg+0xa0/0xb0 net/socket.c:2761
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f8cd079f559
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f8cd15dd028 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00007f8cd0a25fa0 RCX: 00007f8cd079f559
RDX: 04000000000001f2 RSI: 0000200000000000 RDI: 0000000000000004
RBP: 00007f8cd0836b20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f8cd0a26038 R14: 00007f8cd0a25fa0 R15: 00007ffc5ea425a8
 </TASK>