netlink: 40 bytes leftover after parsing attributes in process `syz.1.25418'.
------------[ 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+0x1da0/0x2720, CPU#1: syz.1.25418/17097
Modules linked in:
CPU: 1 UID: 0 PID: 17097 Comm: syz.1.25418 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:u32_change+0x1daf/0x2720
Code: 3d c0 de 45 06 01 75 33 e8 5e b8 0f f8 eb 50 e8 57 b8 0f f8 48 8d 3d 10 2a 6b 06 b9 10 00 00 00 4c 89 f6 48 c7 c2 e0 ba e1 8c <67> 48 0f b9 3a e9 af ee ff ff e8 32 b8 0f f8 eb 24 e8 2b b8 0f f8
RSP: 0018:ffffc900088fefc0 EFLAGS: 00010283
RAX: ffffffff89b5db89 RBX: ffff88816bca3000 RCX: 0000000000000010
RDX: ffffffff8ce1bae0 RSI: 0000000000000020 RDI: ffffffff902105a0
RBP: ffffc900088ff178 R08: 0000000000000dc0 R09: 00000000ffffffff
R10: dffffc0000000000 R11: fffffbfff2023b57 R12: ffff88816bca28e8
R13: 0000000000000001 R14: 0000000000000020 R15: 0000000000000001
FS:  00007f8738a726c0(0000) GS:ffff8882a9465000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c2af6dc CR3: 0000000111ade000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 tc_new_tfilter+0xff8/0x1780
 rtnetlink_rcv_msg+0x7d5/0xbe0
 netlink_rcv_skb+0x232/0x4b0
 netlink_unicast+0x80f/0x9b0
 netlink_sendmsg+0x813/0xb40
 ____sys_sendmsg+0x972/0x9f0
 ___sys_sendmsg+0x2a5/0x360
 __sys_sendmmsg+0x27c/0x4e0
 __x64_sys_sendmmsg+0xa0/0xc0
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8737b9c799
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:00007f8738a72028 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00007f8737e15fa0 RCX: 00007f8737b9c799
RDX: 04000000000001f2 RSI: 0000200000000000 RDI: 0000000000000004
RBP: 00007f8737c32c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f8737e16038 R14: 00007f8737e15fa0 R15: 00007ffe75debaa8
 </TASK>
