netlink: 24 bytes leftover after parsing attributes in process `syz.2.5677'.
------------[ cut here ]------------
memcpy: detected field-spanning write (size 32) of single field "&new->sel" at net/sched/cls_u32.c:855 (size 16)
WARNING: net/sched/cls_u32.c:855 at u32_change+0x1cec/0x2670, CPU#1: syz.2.5677/19001
Modules linked in:
CPU: 1 UID: 0 PID: 19001 Comm: syz.2.5677 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:u32_change+0x1cfb/0x2670
Code: 3d ac 9e 38 06 01 75 33 e8 c2 62 02 f8 eb 50 e8 bb 62 02 f8 48 8d 3d f4 1b 5e 06 b9 10 00 00 00 4c 89 f6 48 c7 c2 e0 2f e1 8c <67> 48 0f b9 3a e9 56 ef ff ff e8 96 62 02 f8 eb 24 e8 8f 62 02 f8
RSP: 0018:ffffc900028befe0 EFLAGS: 00010287
RAX: ffffffff89c29c15 RBX: 0000000000000001 RCX: 0000000000000010
RDX: ffffffff8ce12fe0 RSI: 0000000000000020 RDI: ffffffff9020b810
RBP: ffffc900028bf178 R08: 0000000000000dc0 R09: 00000000ffffffff
R10: dffffc0000000000 R11: fffffbfff20230ff R12: dffffc0000000000
R13: ffff8881727330e8 R14: 0000000000000020 R15: 0000000000000001
FS:  00007f43d52cb6c0(0000) GS:ffff8882a9452000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000240 CR3: 0000000109104000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 tc_new_tfilter+0x10c4/0x1850
 rtnetlink_rcv_msg+0x802/0xc00
 netlink_rcv_skb+0x226/0x4a0
 netlink_unicast+0x833/0x9f0
 netlink_sendmsg+0x813/0xb40
 ____sys_sendmsg+0x9b9/0xa20
 ___sys_sendmsg+0x2a5/0x360
 __sys_sendmmsg+0x27c/0x4e0
 __x64_sys_sendmmsg+0xa0/0xc0
 do_syscall_64+0x170/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f43d439e019
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:00007f43d52cb028 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00007f43d4625fa0 RCX: 00007f43d439e019
RDX: 04000000000001f2 RSI: 0000200000000000 RDI: 0000000000000004
RBP: 00007f43d443500c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f43d4626038 R14: 00007f43d4625fa0 R15: 00007ffeed6c4c68
 </TASK>
