Unverified Commit 020e0507 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!13937 ipv6: avoid possible NULL deref in rt6_uncached_list_flush_dev() 

Merge Pull Request from: @ci-robot 
 
PR sync from: Wang Liang <wangliang74@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/FLNVGWYQ66P3ILZKKBSSZY6DH3DDO4L5/ 
 
https://gitee.com/src-openeuler/kernel/issues/IAYPK7 
 
Link:https://gitee.com/openeuler/kernel/pulls/13937

 

Reviewed-by: default avatarZhang Changzhong <zhangchangzhong@huawei.com>
Reviewed-by: default avatarLi Nan <linan122@huawei.com>
Signed-off-by: default avatarLi Nan <linan122@huawei.com>
parents 1f4d0ecb 1849c86e

net/ipv6/route.c

+1 −1
Original line number Diff line number Diff line
@@ -170,7 +170,7 @@ static void rt6_uncached_list_flush_dev(struct net_device *dev) 
			struct inet6_dev *rt_idev = rt->rt6i_idev;

			struct net_device *rt_dev = rt->dst.dev;



			if (rt_idev->dev == dev) {

			if (rt_idev && rt_idev->dev == dev) {

				rt->rt6i_idev = in6_dev_get(blackhole_netdev);

				in6_dev_put(rt_idev);

			}