Unverified Commit f98d3882 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!8042 xsk: validate user input for XDP_{UMEM|COMPLETION}_FILL_RING 

Merge Pull Request from: @ci-robot 
 
PR sync from: Ziyang Xuan <william.xuanziyang@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/5WSGZSETYAWMP5Z5MACQUFK2B23ROK7M/ 
 
https://gitee.com/src-openeuler/kernel/issues/I9QRIQ 
 
Link:https://gitee.com/openeuler/kernel/pulls/8042

 

Reviewed-by: default avatarYue Haibing <yuehaibing@huawei.com>
Signed-off-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
parents bf3e571c 3b0fc398

net/xdp/xsk.c

+2 −0
Original line number Diff line number Diff line
@@ -895,6 +895,8 @@ static int xsk_setsockopt(struct socket *sock, int level, int optname, 
		struct xsk_queue **q;

		int entries;



		if (optlen < sizeof(entries))

			return -EINVAL;

		if (copy_from_sockptr(&entries, optval, sizeof(entries)))

			return -EFAULT;