Unverified Commit 7ac1bb29 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!5322 jfs: fix slab-out-of-bounds Read in dtSearch 

Merge Pull Request from: @ci-robot 
 
PR sync from: ZhaoLong Wang <wangzhaolong1@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/ANAOTOFGWB5F4F2PDPFFZ6OZMUT35D2A/ 
 
https://gitee.com/src-openeuler/kernel/issues/I96G8Y 
 
Link:https://gitee.com/openeuler/kernel/pulls/5322

 

Reviewed-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
Signed-off-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
parents 75c383f7 89558248

fs/jfs/jfs_dtree.c

+5 −0
Original line number Diff line number Diff line
@@ -633,6 +633,11 @@ int dtSearch(struct inode *ip, struct component_name * key, ino_t * data, 
		for (base = 0, lim = p->header.nextindex; lim; lim >>= 1) {

			index = base + (lim >> 1);



			if (stbl[index] < 0) {

				rc = -EIO;

				goto out;

			}



			if (p->header.flag & BT_LEAF) {

				/* uppercase leaf name to compare */

				cmp =