Unverified Commit 75c383f7 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!5308 FS:JFS:UBSAN:array-index-out-of-bounds in dbAdjTree 

Merge Pull Request from: @ci-robot 
 
PR sync from: ZhaoLong Wang <wangzhaolong1@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/I6YAO6TTZGA4MLOQ3VVKY5PTGJLFXH43/ 
 
https://gitee.com/src-openeuler/kernel/issues/I96GNQ 
 
Link:https://gitee.com/openeuler/kernel/pulls/5308

 

Reviewed-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
Signed-off-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
parents 1b2de997 3cd2f7fd

fs/jfs/jfs_dmap.c

+3 −0
Original line number Diff line number Diff line
@@ -2928,6 +2928,9 @@ static void dbAdjTree(dmtree_t * tp, int leafno, int newval) 
	/* is the current value the same as the old value ?  if so,

	 * there is nothing to do.

	 */

	if (WARN_ON_ONCE(lp >= CTLTREESIZE))

		return;



	if (tp->dmt_stree[lp] == newval)

		return;