[FFmpeg-cvslog] avformat/mxfdec: Fix memleak of packages_refs

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michaelni at gmx.at> | Wed Oct 15 02:16:18 2014 +0200| [0834f2056c7f1a0c09129802a003465e0ebcc9b8] | committer: Michael Niedermayer

avformat/mxfdec: Fix memleak of packages_refs

Fixes: asan_static-oob_87d116_10_201.mxf
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni at gmx.at>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=0834f2056c7f1a0c09129802a003465e0ebcc9b8
---

 libavformat/mxfdec.c |    3 +++
 1 file changed, 3 insertions(+)

diff --git a/libavformat/mxfdec.c b/libavformat/mxfdec.c
index 19c6374..05ac0a1 100644
--- a/libavformat/mxfdec.c
+++ b/libavformat/mxfdec.c
@@ -624,6 +624,9 @@ static int mxf_read_content_storage(void *arg, AVIOContext *pb, int tag, int siz
     MXFContext *mxf = arg;
     switch (tag) {
     case 0x1901:
+        if (mxf->packages_refs)
+            av_log(mxf->fc, AV_LOG_VERBOSE, "Multiple packages_refs\n");
+        av_free(mxf->packages_refs);
         mxf->packages_count = avio_rb32(pb);
         mxf->packages_refs = av_calloc(mxf->packages_count, sizeof(UID));
         if (!mxf->packages_refs)