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Message-Id: <20201103203211.048906172@linuxfoundation.org>
Date: Tue, 3 Nov 2020 21:37:54 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org, Zhihao Cheng <chengzhihao1@...wei.com>,
Richard Weinberger <richard@....at>
Subject: [PATCH 4.14 097/125] ubifs: dent: Fix some potential memory leaks while iterating entries
From: Zhihao Cheng <chengzhihao1@...wei.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@...wei.com>
Cc: <stable@...r.kernel.org>
Fixes: 1e51764a3c2ac05a2 ("UBIFS: add new flash file system")
Signed-off-by: Richard Weinberger <richard@....at>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
fs/ubifs/debug.c | 1 +
1 file changed, 1 insertion(+)
--- a/fs/ubifs/debug.c
+++ b/fs/ubifs/debug.c
@@ -1129,6 +1129,7 @@ int dbg_check_dir(struct ubifs_info *c,
err = PTR_ERR(dent);
if (err == -ENOENT)
break;
+ kfree(pdent);
return err;
}
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