Unverified Commit 785dd4d2 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!12723 ppp: fix ppp_async_encode() illegal access 

Merge Pull Request from: @ci-robot 
 
PR sync from: Zhang Changzhong <zhangchangzhong@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/6F3MYDM5TASXNI54WJ5NMNT4BJXFYNAH/ 
 
https://gitee.com/src-openeuler/kernel/issues/IAYRDK 
 
Link:https://gitee.com/openeuler/kernel/pulls/12723

 

Reviewed-by: default avatarYue Haibing <yuehaibing@huawei.com>
Signed-off-by: default avatarYang Yingliang <yangyingliang@huawei.com>
parents 13fa8905 dd59afc2

drivers/net/ppp/ppp_async.c

+1 −1
Original line number Diff line number Diff line
@@ -552,7 +552,7 @@ ppp_async_encode(struct asyncppp *ap) 
	 * and 7 (code-reject) must be sent as though no options

	 * had been negotiated.

	 */

	islcp = proto == PPP_LCP && 1 <= data[2] && data[2] <= 7;

	islcp = proto == PPP_LCP && count >= 3 && 1 <= data[2] && data[2] <= 7;



	if (i == 0) {

		if (islcp)