------------[ cut here ]------------ memcpy: detected field-spanning write (size 96) of single field "&n->sel" at net/sched/cls_u32.c:1043 (size 16) WARNING: CPU: 0 PID: 5743 at net/sched/cls_u32.c:1043 u32_change+0x2965/0x3260 net/sched/cls_u32.c:1043 Modules linked in: CPU: 0 PID: 5743 Comm: syz-executor.0 Not tainted 6.0.0-rc6-next-20220923-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 RIP: 0010:u32_change+0x2965/0x3260 net/sched/cls_u32.c:1043 Code: 81 a0 14 fa 48 8b b5 78 fe ff ff b9 10 00 00 00 48 c7 c2 e0 00 f6 8a 48 c7 c7 60 00 f6 8a c6 05 e8 5f 63 06 01 e8 7b d9 df 01 <0f> 0b e9 6f f3 ff ff e8 4f a0 14 fa 48 c7 c7 c0 05 f6 8a e8 63 ed RSP: 0018:ffffc90015f8f2f8 EFLAGS: 00010286 RAX: 0000000000000000 RBX: ffffc90015f8f618 RCX: 0000000000000000 RDX: 0000000000040000 RSI: ffffffff81620008 RDI: fffff52002bf1e51 RBP: ffffc90015f8f498 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 203a7970636d656d R12: ffff8880730fcce0 R13: ffffc90015f8f5b8 R14: ffff8880730fcc00 R15: ffff8880730fe030 FS: 00007f396914b700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2ee31000 CR3: 0000000074e8a000 CR4: 00000000003506f0 Call Trace: tc_new_tfilter+0x937/0x21f0 net/sched/cls_api.c:2147 rtnetlink_rcv_msg+0x955/0xca0 net/core/rtnetlink.c:6082 netlink_rcv_skb+0x153/0x420 net/netlink/af_netlink.c:2540 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline] netlink_unicast+0x543/0x7f0 net/netlink/af_netlink.c:1345 netlink_sendmsg+0x917/0xe10 net/netlink/af_netlink.c:1921 sock_sendmsg_nosec net/socket.c:714 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:734 ____sys_sendmsg+0x712/0x8c0 net/socket.c:2482 ___sys_sendmsg+0x110/0x1b0 net/socket.c:2536 __sys_sendmsg+0xf3/0x1c0 net/socket.c:2565 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f396808a669 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f396914b168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f39681abf80 RCX: 00007f396808a669 RDX: 0000000000000000 RSI: 0000000020000340 RDI: 0000000000000006 RBP: 00007f39680e5560 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc319cf30f R14: 00007f396914b300 R15: 0000000000022000