Unverified Commit 924c6159 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!7741 ipv4: check for NULL idev in ip_route_use_hint() 

Merge Pull Request from: @ci-robot 
 
PR sync from: Zhengchao Shao <shaozhengchao@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/NZCQOHQLL57SBH7KOHLSPSCQXNEA4BFD/ 
 
https://gitee.com/src-openeuler/kernel/issues/I9QRDG 
 
Link:https://gitee.com/openeuler/kernel/pulls/7741

 

Reviewed-by: default avatarYue Haibing <yuehaibing@huawei.com>
Signed-off-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
parents 746dc3fa bc265ace

net/ipv4/route.c

+3 −0
Original line number Diff line number Diff line
@@ -2081,6 +2081,9 @@ int ip_route_use_hint(struct sk_buff *skb, __be32 daddr, __be32 saddr, 
	int err = -EINVAL;

	u32 tag = 0;



	if (!in_dev)

		return -EINVAL;



	if (ipv4_is_multicast(saddr) || ipv4_is_lbcast(saddr))

		goto martian_source;