netlink: 'syz.0.231': attribute type 3 has an invalid length.
netlink: 24 bytes leftover after parsing attributes in process `syz.0.231'.
------------[ cut here ]------------
memcpy: detected field-spanning write (size 32) of single field "&new->sel" at net/sched/cls_u32.c:869 (size 16)
WARNING: CPU: 1 PID: 5356 at net/sched/cls_u32.c:869 u32_init_knode net/sched/cls_u32.c:869 [inline]
WARNING: CPU: 1 PID: 5356 at net/sched/cls_u32.c:869 u32_change+0x1ef8/0x2900 net/sched/cls_u32.c:935
Modules linked in:
CPU: 1 PID: 5356 Comm: syz.0.231 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:u32_init_knode net/sched/cls_u32.c:869 [inline]
RIP: 0010:u32_change+0x1ef8/0x2900 net/sched/cls_u32.c:935
Code: 00 00 00 e8 da 5a 18 f9 c6 05 49 88 a2 05 01 b9 10 00 00 00 48 c7 c7 a0 2e 8f 8b 4c 89 f6 48 c7 c2 20 2f 8f 8b e8 f8 cd e3 f8 <0f> 0b e9 eb ed ff ff e8 ac 5a 18 f9 be 02 00 00 00 eb 0a e8 a0 5a
RSP: 0018:ffffc90003abee20 EFLAGS: 00010246
RAX: df2ff1eb12d9a100 RBX: ffff88802c74fae0 RCX: 0000000000080000
RDX: ffffc9001019d000 RSI: 00000000000070e9 RDI: 00000000000070ea
RBP: ffffc90003abeff8 R08: ffffc90003abeaa7 R09: 1ffff92000757d54
R10: dffffc0000000000 R11: fffff52000757d55 R12: 1ffff92000757dd8
R13: dffffc0000000000 R14: 0000000000000020 R15: 0000000000000001
FS:  00007f261fe836c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2fd16ff8 CR3: 000000005ab9b000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 tc_new_tfilter+0x1368/0x1970 net/sched/cls_api.c:2202
 rtnetlink_rcv_msg+0x8b2/0xfb0 net/core/rtnetlink.c:6157
 netlink_rcv_skb+0x1ef/0x440 net/netlink/af_netlink.c:2516
 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
 netlink_unicast+0x7ad/0x920 net/netlink/af_netlink.c:1344
 netlink_sendmsg+0x8ad/0xbd0 net/netlink/af_netlink.c:1877
 sock_sendmsg_nosec net/socket.c:718 [inline]
 __sock_sendmsg net/socket.c:730 [inline]
 ____sys_sendmsg+0x5ed/0x9a0 net/socket.c:2519
 ___sys_sendmsg+0x2a2/0x360 net/socket.c:2573
 __sys_sendmmsg+0x2c3/0x510 net/socket.c:2659
 __do_sys_sendmmsg net/socket.c:2688 [inline]
 __se_sys_sendmmsg net/socket.c:2685 [inline]
 __x64_sys_sendmmsg+0x9c/0xb0 net/socket.c:2685
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f261ef9e199
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:00007f261fe83028 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00007f261f226180 RCX: 00007f261ef9e199
RDX: 04000000000001f2 RSI: 0000200000000000 RDI: 0000000000000009
RBP: 00007f261f0350b8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f261f226218 R14: 00007f261f226180 R15: 00007ffe04777178
 </TASK>