Unverified Commit aefe6d3e authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!3996 hfs: fix null-ptr-deref in hfs_find_init() 

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/KSHHSSLOZLM4QKAICRBVAJLNL5XDSO5T/ 
 
https://gitee.com/src-openeuler/kernel/issues/I1TUD7 
 
Link:https://gitee.com/openeuler/kernel/pulls/3996

 

Reviewed-by: default avatarzhangyi (F) <yi.zhang@huawei.com>
Signed-off-by: default avatarZheng Zengkai <zhengzengkai@huawei.com>
parents cc16eb45 015f39e7

fs/hfs/bfind.c

+2 −0
Original line number Diff line number Diff line
@@ -16,6 +16,8 @@ int hfs_find_init(struct hfs_btree *tree, struct hfs_find_data *fd) 
{

	void *ptr;



	if (!tree)

		return -EINVAL;

	fd->tree = tree;

	fd->bnode = NULL;

	ptr = kmalloc(tree->max_key_len * 2 + 4, GFP_KERNEL);