Unverified Commit 6c2b20b4 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!15389 orangefs: fix a oob in orangefs_debug_write 

Merge Pull Request from: @ci-robot 
 
PR sync from: Yifan Qiao <qiaoyifan4@huawei.com>
https://mailweb.openeuler.org/archives/list/kernel@openeuler.org/message/4OUX72SE74SJLKET7PHWUDE6T7HK6APM/ 
 
https://gitee.com/src-openeuler/kernel/issues/IBPC4Q 
 
Link:https://gitee.com/openeuler/kernel/pulls/15389

 

Reviewed-by: default avatarLi Nan <linan122@huawei.com>
Signed-off-by: default avatarLi Nan <linan122@huawei.com>
parents bc79b881 05c51a5c

fs/orangefs/orangefs-debugfs.c

+2 −2
Original line number Diff line number Diff line
@@ -393,9 +393,9 @@ static ssize_t orangefs_debug_write(struct file *file, 
	 * Thwart users who try to jamb a ridiculous number

	 * of bytes into the debug file...

	 */

	if (count > ORANGEFS_MAX_DEBUG_STRING_LEN + 1) {

	if (count > ORANGEFS_MAX_DEBUG_STRING_LEN) {

		silly = count;

		count = ORANGEFS_MAX_DEBUG_STRING_LEN + 1;

		count = ORANGEFS_MAX_DEBUG_STRING_LEN;

	}



	buf = kzalloc(ORANGEFS_MAX_DEBUG_STRING_LEN, GFP_KERNEL);