Unverified Commit b85dd9b2 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!5478 jfs: fix array-index-out-of-bounds in diNewExt 

Merge Pull Request from: @ci-robot 
 
PR sync from: Long Li <leo.lilong@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/TTX3XTUGZI4TDK5473OAFV356LUHMEBS/ 
 
https://gitee.com/src-openeuler/kernel/issues/I96G7F 
 
Link:https://gitee.com/openeuler/kernel/pulls/5478

 

Reviewed-by: default avatarLiu YongQiang <liuyongqiang13@huawei.com>
Signed-off-by: default avatarZhang Changzhong <zhangchangzhong@huawei.com>
parents bd81eb39 33092290

fs/jfs/jfs_imap.c

+3 −0
Original line number Diff line number Diff line
@@ -2190,6 +2190,9 @@ static int diNewExt(struct inomap * imap, struct iag * iagp, int extno) 
	/* get the ag and iag numbers for this iag.

	 */

	agno = BLKTOAG(le64_to_cpu(iagp->agstart), sbi);

	if (agno >= MAXAG || agno < 0)

		return -EIO;



	iagno = le32_to_cpu(iagp->iagnum);



	/* check if this is the last free extent within the