Unverified Commit 292de975 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!11522 ipv6: prevent UAF in ip6_send_skb() 

Merge Pull Request from: @ci-robot 
 
PR sync from: Zhang Changzhong <zhangchangzhong@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/SWFPI52N6V7EHMWL3TWQXINP5DMCSNC3/ 
 
https://gitee.com/src-openeuler/kernel/issues/IAOXZH 
 
Link:https://gitee.com/openeuler/kernel/pulls/11522

 

Reviewed-by: default avatarYue Haibing <yuehaibing@huawei.com>
Signed-off-by: default avatarZhang Peng <zhangpeng362@huawei.com>
parents 710a4bfc 96847f30

net/ipv6/ip6_output.c

+2 −0
Original line number Diff line number Diff line
@@ -2031,6 +2031,7 @@ int ip6_send_skb(struct sk_buff *skb) 
	struct rt6_info *rt = (struct rt6_info *)skb_dst(skb);

	int err;



	rcu_read_lock();

	err = ip6_local_out(net, skb->sk, skb);

	if (err) {

		if (err > 0)
@@ -2040,6 +2041,7 @@ int ip6_send_skb(struct sk_buff *skb) 
				      IPSTATS_MIB_OUTDISCARDS);

	}



	rcu_read_unlock();

	return err;

}