Unverified Commit 99e2fdd6 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!10915 usb: gadget: configfs: Prevent OOB read/write in usb_string_copy() 

Merge Pull Request from: @ci-robot 
 
PR sync from: Zeng Heng <zengheng4@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/TO6YNP4Z5JFXXY7PC7IPYNRQD7G6LOSH/ 
 
https://gitee.com/src-openeuler/kernel/issues/IAILHF 
 
Link:https://gitee.com/openeuler/kernel/pulls/10915

 

Reviewed-by: default avatarLiu YongQiang <liuyongqiang13@huawei.com>
Reviewed-by: default avatarXiongfeng Wang <wangxiongfeng2@huawei.com>
Signed-off-by: default avatarZhang Changzhong <zhangchangzhong@huawei.com>
parents c75f8130 23cbbbdf

drivers/usb/gadget/configfs.c

+3 −0
Original line number Diff line number Diff line
@@ -114,9 +114,12 @@ static int usb_string_copy(const char *s, char **s_copy) 
	int ret;

	char *str;

	char *copy = *s_copy;



	ret = strlen(s);

	if (ret > 126)

		return -EOVERFLOW;

	if (ret < 1)

		return -EINVAL;



	str = kstrdup(s, GFP_KERNEL);

	if (!str)