[FFmpeg-cvslog] avformat/oggdec: Fix metadata memleak on multiple headers

[Michael Niedermayer]

ffmpeg | branch: release/3.3 | Michael Niedermayer <michael at niedermayer.cc> | Tue Mar  6 18:14:12 2018 +0100| [fef832c188c07245c7b9a44432a89f49a4c0d2ff] | committer: Michael Niedermayer

avformat/oggdec: Fix metadata memleak on multiple headers

Fixes: Chromium bug 800123
Reported-by: Matt Wolenetz <wolenetz at google.com>
Reviewed-by: Matt Wolenetz <wolenetz at google.com>
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
(cherry picked from commit da069e9c68ec1a54e618940dcb9ebae9bf179a32)
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=fef832c188c07245c7b9a44432a89f49a4c0d2ff
---

 libavformat/oggdec.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/libavformat/oggdec.c b/libavformat/oggdec.c
index 193a286e43..6a05278b52 100644
--- a/libavformat/oggdec.c
+++ b/libavformat/oggdec.c
@@ -128,7 +128,10 @@ static int ogg_restore(AVFormatContext *s)
     ogg->state = ost->next;
 
         for (i = 0; i < ogg->nstreams; i++) {
-            av_freep(&ogg->streams[i].buf);
+            struct ogg_stream *stream = &ogg->streams[i];
+            av_freep(&stream->buf);
+            av_freep(&stream->new_metadata);
+
             if (i >= ost->nstreams || !ost->streams[i].private) {
                 free_stream(s, i);
             }