[FFmpeg-cvslog] mpegvideo: clear overread in clear_context
Andreas Cadhalpun
git at videolan.org
Thu Nov 26 01:42:17 CET 2015
ffmpeg | branch: release/2.8 | Andreas Cadhalpun <Andreas.Cadhalpun at googlemail.com> | Sat Nov 14 22:46:46 2015 +0100| [6b0bc64f54e50e9f6ff4bec6313fa92bb72bd482] | committer: Andreas Cadhalpun
mpegvideo: clear overread in clear_context
Otherwise the h263p decoder can try to copy overread bytes, even though
buffer is NULL.
Reviewed-by: Michael Niedermayer <michael at niedermayer.cc>
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun at googlemail.com>
(cherry picked from commit 6a69a175e7b5c5393528ed0f5753e41573fa0df2)
Signed-off-by: Andreas Cadhalpun <Andreas.Cadhalpun at googlemail.com>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=6b0bc64f54e50e9f6ff4bec6313fa92bb72bd482
---
libavcodec/mpegvideo.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c
index f28f7e8..4a40cf9 100644
--- a/libavcodec/mpegvideo.c
+++ b/libavcodec/mpegvideo.c
@@ -815,6 +815,7 @@ static void clear_context(MpegEncContext *s)
s->parse_context.buffer = NULL;
s->parse_context.buffer_size = 0;
+ s->parse_context.overread = 0;
s->bitstream_buffer = NULL;
s->allocated_bitstream_buffer_size = 0;
s->picture = NULL;
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