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From: Oleg Drokin <green@linuxhacker.ru>
To: alan@redhat.com, linux-kernel@vger.kernel.org
Cc: torvalds@transmeta.com
Subject: Memleak in Windows Logical Disk Manager partition handler
Date: Sun, 9 Mar 2003 23:41:25 +0300	[thread overview]
Message-ID: <20030309204125.GA31534@linuxhacker.ru> (raw)

Hello!

   Not freeing allocated memory on error exit path.
   See the patch.
   Should apply to both 2.4 and 2.5.
   Found with help of smatch + enhanced unfree script.

Bye,
    Oleg

===== fs/partitions/ldm.c 1.6 vs edited =====
--- 1.6/fs/partitions/ldm.c	Mon Aug 12 00:08:42 2002
+++ edited/fs/partitions/ldm.c	Sun Mar  9 23:38:15 2003
@@ -1223,8 +1223,10 @@
 		return FALSE;
 	}
 
-	if (!ldm_parse_vblk (data, len, vb))
+	if (!ldm_parse_vblk (data, len, vb)) {
+		kfree(vb);
 		return FALSE;			/* Already logged */
+	}
 
 	/* Put vblk into the correct list. */
 	switch (vb->type) {

                 reply	other threads:[~2003-03-09 20:31 UTC|newest]

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