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| author | Michael Niedermayer <michaelni@gmx.at> | 2012-08-10 00:09:34 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2012-08-10 00:09:34 +0200 |
| commit | a0d15027e3b0c7825cc10052363b72e9398578b9 (patch) | |
| tree | 694ffbf9f85707800c9bdeaa5d1522327c3d8470 | |
| parent | 8f29901b5468f99f336900ae008d86d1f100188f (diff) | |
| download | ffmpeg-a0d15027e3b0c7825cc10052363b72e9398578b9.tar.gz | |
yadif: check input video size.
yadif needs at least 3x3 or it will likely crash with out of array reads
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
| -rw-r--r-- | libavfilter/vf_yadif.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libavfilter/vf_yadif.c b/libavfilter/vf_yadif.c index d25c7b11b4..f200cb1474 100644 --- a/libavfilter/vf_yadif.c +++ b/libavfilter/vf_yadif.c @@ -221,6 +221,11 @@ static int start_frame(AVFilterLink *link, AVFilterBufferRef *picref) av_assert0(picref); + if (picref->video->h < 3 || picref->video->w < 3) { + av_log(ctx, AV_LOG_ERROR, "Video of less than 3 columns or lines is not supported\n"); + return AVERROR(EINVAL); + } + if (yadif->frame_pending) return_frame(ctx, 1); |