Unverified Commit febc0c6f authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!12775 vt: prevent kernel-infoleak in con_font_get() 

Merge Pull Request from: @ci-robot 
 
PR sync from: Gu Bowen <gubowen5@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/V3IKJR57Q5FTRZWYVLN2TS5U6CIVDVA4/ 
 
https://gitee.com/src-openeuler/kernel/issues/IB0ENE 
 
Link:https://gitee.com/openeuler/kernel/pulls/12775

 

Reviewed-by: default avatarZhang Peng <zhangpeng362@huawei.com>
Signed-off-by: default avatarZhang Peng <zhangpeng362@huawei.com>
parents b2ae42b4 cb34175d

drivers/tty/vt/vt.c

+1 −1
Original line number Diff line number Diff line
@@ -4550,7 +4550,7 @@ static int con_font_get(struct vc_data *vc, struct console_font_op *op) 
		return -EINVAL;



	if (op->data) {

		font.data = kvmalloc(max_font_size, GFP_KERNEL);

		font.data = kvzalloc(max_font_size, GFP_KERNEL);

		if (!font.data)

			return -ENOMEM;

	} else