Unverified Commit c6911909 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!13061 net: avoid potential underflow in qdisc_pkt_len_init() with UFO 

Merge Pull Request from: @ci-robot 
 
PR sync from: Liu Jian <liujian56@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/A4NUQBLNQ5DNTXXAEL7YPIS2KJBH6SMT/ 
 
https://gitee.com/src-openeuler/kernel/issues/IAYR9U 
 
Link:https://gitee.com/openeuler/kernel/pulls/13061

 

Reviewed-by: default avatarYue Haibing <yuehaibing@huawei.com>
Signed-off-by: default avatarZhang Peng <zhangpeng362@huawei.com>
parents 125777fe 5bbf491d

net/core/dev.c

+1 −1
Original line number Diff line number Diff line
@@ -3746,7 +3746,7 @@ static void qdisc_pkt_len_init(struct sk_buff *skb) 
						sizeof(_tcphdr), &_tcphdr);

			if (likely(th))

				hdr_len += __tcp_hdrlen(th);

		} else {

		} else if (shinfo->gso_type & SKB_GSO_UDP_L4) {

			struct udphdr _udphdr;



			if (skb_header_pointer(skb, hdr_len,