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authorMichael Niedermayer <michaelni@gmx.at>2013-05-02 22:06:03 +0200
committerMichael Niedermayer <michaelni@gmx.at>2013-05-14 01:29:11 +0200
commit1d285db8a3a85fb5eadd28640eb121684d7f6463 (patch)
treea850f2ed75b50a0fcc233767f364ef2bf2628a8e
parentcd24fdad470724651f6d5506ef94da92106ac6d3 (diff)
downloadffmpeg-1d285db8a3a85fb5eadd28640eb121684d7f6463.tar.gz
mmvideo/mm_decode_intra: check horizontal coordinate too
Signed-off-by: Michael Niedermayer <michaelni@gmx.at> (cherry picked from commit ae2132ac90f02330b0988e6e26ee0d53e41cd196) Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
-rw-r--r--libavcodec/mmvideo.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/libavcodec/mmvideo.c b/libavcodec/mmvideo.c
index aebfe265e3..40892a7c4c 100644
--- a/libavcodec/mmvideo.c
+++ b/libavcodec/mmvideo.c
@@ -104,6 +104,9 @@ static int mm_decode_intra(MmContext * s, int half_horiz, int half_vert)
if (half_horiz)
run_length *=2;
+ if (run_length > s->avctx->width - x)
+ return AVERROR_INVALIDDATA;
+
if (color) {
memset(s->frame.data[0] + y*s->frame.linesize[0] + x, color, run_length);
if (half_vert)