From cc1e3ace63075ccd75ef3a2acdeb2e81cd8a429e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tomas=20H=C3=A4rdin?= <tomas.hardin@codemill.se>
Date: Wed, 24 Oct 2012 16:54:25 +0200
Subject: [PATCH] mxf: Fix potential leak in mxf_read_local_tags()

Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
---
 libavformat/mxfdec.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libavformat/mxfdec.c b/libavformat/mxfdec.c
index c25fd115206..cb383b0ea26 100644
--- a/libavformat/mxfdec.c
+++ b/libavformat/mxfdec.c
@@ -1648,6 +1648,9 @@ static int mxf_read_local_tags(MXFContext *mxf, KLVPacket *klv, MXFMetadataReadF
         /* Accept the 64k local set limit being exceeded (Avid). Don't accept
          * it extending past the end of the KLV though (zzuf5.mxf). */
         if (avio_tell(pb) > klv_end) {
+            if (ctx_size)
+                av_free(ctx);
+
             av_log(mxf->fc, AV_LOG_ERROR,
                    "local tag %#04x extends past end of local set @ %#"PRIx64"\n",
                    tag, klv->offset);
-- 
GitLab