Unverified Commit 669e3b39 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!8867 ipv6: prevent NULL dereference in ip6_output() 

Merge Pull Request from: @ci-robot 
 
PR sync from: Liu Jian <liujian56@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/VV6ZZAVF5CCP7PEISPTRI6NOM5TGMYZI/ 
 
https://gitee.com/src-openeuler/kernel/issues/I9UO9S 
 
Link:https://gitee.com/openeuler/kernel/pulls/8867

 

Reviewed-by: default avatarYue Haibing <yuehaibing@huawei.com>
Signed-off-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
parents bd0b4e31 759f7ac0

net/ipv6/ip6_output.c

+1 −1
Original line number Diff line number Diff line
@@ -240,7 +240,7 @@ int ip6_output(struct net *net, struct sock *sk, struct sk_buff *skb) 
	skb->protocol = htons(ETH_P_IPV6);

	skb->dev = dev;



	if (unlikely(idev->cnf.disable_ipv6)) {

	if (unlikely(!idev || idev->cnf.disable_ipv6)) {

		IP6_INC_STATS(net, idev, IPSTATS_MIB_OUTDISCARDS);

		kfree_skb(skb);

		return 0;