netlink: 'syz.0.5092': attribute type 3 has an invalid length.
------------[ cut here ]------------
memcpy: detected field-spanning write (size 32) of single field "&new->sel" at net/sched/cls_u32.c:855 (size 16)
WARNING: CPU: 0 PID: 22825 at net/sched/cls_u32.c:855 u32_init_knode net/sched/cls_u32.c:855 [inline]
WARNING: CPU: 0 PID: 22825 at net/sched/cls_u32.c:855 u32_change+0x1ce8/0x2690 net/sched/cls_u32.c:921
Modules linked in:
CPU: 0 PID: 22825 Comm: syz.0.5092 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:u32_init_knode net/sched/cls_u32.c:855 [inline]
RIP: 0010:u32_change+0x1ce8/0x2690 net/sched/cls_u32.c:921
Code: f8 eb 59 e8 ea af d1 f8 c6 05 f2 45 c1 05 01 b9 10 00 00 00 48 c7 c7 e0 21 c8 8b 4c 89 fe 48 c7 c2 60 22 c8 8b e8 d8 7f 9b f8 <0f> 0b e9 1f f0 ff ff e8 bc af d1 f8 eb 24 e8 b5 af d1 f8 c6 05 79
RSP: 0018:ffffc900044fed60 EFLAGS: 00010246
RAX: 5af38e3162c80b00 RBX: ffff88806c046800 RCX: 0000000000080000
RDX: ffffc90013e5e000 RSI: 0000000000005ae2 RDI: 0000000000005ae3
RBP: ffffc900044feef8 R08: ffffc900044fe967 R09: 1ffff9200089fd2c
R10: dffffc0000000000 R11: fffff5200089fd2d R12: 1ffff9200089fdbc
R13: ffff888064b88ce8 R14: ffff88801c7f5940 R15: 0000000000000020
FS:  00007f57e038d6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f57df5eb700 CR3: 00000000660b8000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 tc_new_tfilter+0x1109/0x1820 net/sched/cls_api.c:2354
 rtnetlink_rcv_msg+0x892/0xf90 net/core/rtnetlink.c:6475
 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: 0033:0x7f57df59e019
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:00007f57e038d028 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00007f57df825fa0 RCX: 00007f57df59e019
RDX: 04000000000001f2 RSI: 0000200000000000 RDI: 0000000000000004
RBP: 00007f57df63500c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f57df826038 R14: 00007f57df825fa0 R15: 00007ffc283946c8
 </TASK>