Module: libav
Branch: master
Commit: 1f6f58d5855288492fc2640a9f1035c01c75d356

Author:    Alex Converse <[email protected]>
Committer: Alex Converse <[email protected]>
Date:      Fri Jul 29 15:27:36 2011 -0700

mxfdec: Include FF_INPUT_BUFFER_PADDING_SIZE when allocating extradata.

This prevents out of bounds reads when extradata is being decoded.

---

 libavformat/mxfdec.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/libavformat/mxfdec.c b/libavformat/mxfdec.c
index e2688b1..8906bdd 100644
--- a/libavformat/mxfdec.c
+++ b/libavformat/mxfdec.c
@@ -600,7 +600,7 @@ static int mxf_read_generic_descriptor(void *arg, 
AVIOContext *pb, int tag, int
     default:
         /* Private uid used by SONY C0023S01.mxf */
         if (IS_KLV_KEY(uid, mxf_sony_mpeg4_extradata)) {
-            descriptor->extradata = av_malloc(size);
+            descriptor->extradata = av_malloc(size + 
FF_INPUT_BUFFER_PADDING_SIZE);
             if (!descriptor->extradata)
                 return -1;
             descriptor->extradata_size = size;

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