Unverified Commit 75b662fc authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!13062 net: test for not too small csum_start in virtio_net_hdr_to_skb() 

Merge Pull Request from: @ci-robot 
 
PR sync from: Liu Jian <liujian56@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/STL7JOHO7Z35DP5WILDOMDP7LPY6DJ2N/ 
 
https://gitee.com/src-openeuler/kernel/issues/IAYR9O 
 
Link:https://gitee.com/openeuler/kernel/pulls/13062

 

Reviewed-by: default avatarYue Haibing <yuehaibing@huawei.com>
Signed-off-by: default avatarZhang Peng <zhangpeng362@huawei.com>
parents 4e75c234 b972f58e

include/linux/virtio_net.h

+3 −1
Original line number Diff line number Diff line
@@ -103,8 +103,10 @@ static inline int virtio_net_hdr_to_skb(struct sk_buff *skb, 


		if (!skb_partial_csum_set(skb, start, off))

			return -EINVAL;

		if (skb_transport_offset(skb) < nh_min_len)

			return -EINVAL;



		nh_min_len = max_t(u32, nh_min_len, skb_transport_offset(skb));

		nh_min_len = skb_transport_offset(skb);

		p_off = nh_min_len + thlen;

		if (!pskb_may_pull(skb, p_off))

			return -EINVAL;