| From 58f6e78a65f1fcbf732f60a7478ccc99873ff3ba Mon Sep 17 00:00:00 2001 |
| From: Zhihao Cheng <chengzhihao1@huawei.com> |
| Date: Mon, 1 Jun 2020 17:10:37 +0800 |
| Subject: ubifs: dent: Fix some potential memory leaks while iterating entries |
| |
| From: Zhihao Cheng <chengzhihao1@huawei.com> |
| |
| commit 58f6e78a65f1fcbf732f60a7478ccc99873ff3ba upstream. |
| |
| Fix some potential memory leaks in error handling branches while |
| iterating dent entries. For example, function dbg_check_dir() |
| forgets to free pdent if it exists. |
| |
| Signed-off-by: Zhihao Cheng <chengzhihao1@huawei.com> |
| Cc: <stable@vger.kernel.org> |
| Fixes: 1e51764a3c2ac05a2 ("UBIFS: add new flash file system") |
| Signed-off-by: Richard Weinberger <richard@nod.at> |
| Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
| |
| --- |
| fs/ubifs/debug.c | 1 + |
| 1 file changed, 1 insertion(+) |
| |
| --- a/fs/ubifs/debug.c |
| +++ b/fs/ubifs/debug.c |
| @@ -1123,6 +1123,7 @@ int dbg_check_dir(struct ubifs_info *c, |
| err = PTR_ERR(dent); |
| if (err == -ENOENT) |
| break; |
| + kfree(pdent); |
| return err; |
| } |
| |
