Unverified Commit 6b4d10a5 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!10538 tap: add missing verification for short frame 

Merge Pull Request from: @ci-robot 
 
PR sync from: Liu Jian <liujian56@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/SF75D5DT3GI4QUX4FT4XXJFEQ6TWLCD2/ 
 
https://gitee.com/src-openeuler/kernel/issues/IAG8ZG 
 
Link:https://gitee.com/openeuler/kernel/pulls/10538

 

Reviewed-by: default avatarYue Haibing <yuehaibing@huawei.com>
Signed-off-by: default avatarZhang Peng <zhangpeng362@huawei.com>
parents 715f2fee 24a997ac

drivers/net/tap.c

+5 −0
Original line number Diff line number Diff line
@@ -1177,6 +1177,11 @@ static int tap_get_user_xdp(struct tap_queue *q, struct xdp_buff *xdp) 
	struct sk_buff *skb;

	int err, depth;



	if (unlikely(xdp->data_end - xdp->data < ETH_HLEN)) {

		err = -EINVAL;

		goto err;

	}



	if (q->flags & IFF_VNET_HDR)

		vnet_hdr_len = READ_ONCE(q->vnet_hdr_sz);