diff options
| author | Michael Niedermayer <michaelni@gmx.at> | 2013-11-22 10:56:42 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2013-11-22 10:57:41 +0100 |
| commit | 8b2578ab452fe2dac09d5df56897f5ecf1602e22 (patch) | |
| tree | 9a4d1a2d58944d4c98950f22e55b1beb73b0d28e | |
| parent | ededb5ffed7931680d4506d71c678a80a622ea2b (diff) | |
| parent | c453723ad7d14abc5e82677eebaa6025fa598f08 (diff) | |
| download | ffmpeg-8b2578ab452fe2dac09d5df56897f5ecf1602e22.tar.gz | |
Merge commit 'c453723ad7d14abc5e82677eebaa6025fa598f08'
* commit 'c453723ad7d14abc5e82677eebaa6025fa598f08':
gifdec: check that the image dimensions are non-zero
Conflicts:
libavcodec/gifdec.c
See: 286930d302fd34cfc2541bfdd760a8bbf9f2d2e5
Merged-by: Michael Niedermayer <michaelni@gmx.at>
| -rw-r--r-- | libavcodec/gifdec.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/libavcodec/gifdec.c b/libavcodec/gifdec.c index ec1585cbca..9305f2e465 100644 --- a/libavcodec/gifdec.c +++ b/libavcodec/gifdec.c @@ -183,8 +183,10 @@ static int gif_read_image(GifState *s, AVFrame *frame) if (left + width > s->screen_width || top + height > s->screen_height) return AVERROR_INVALIDDATA; - if (width <= 0 || height <= 0) + if (width <= 0 || height <= 0) { + av_log(s->avctx, AV_LOG_ERROR, "Invalid image dimensions.\n"); return AVERROR_INVALIDDATA; + } /* process disposal method */ if (s->gce_prev_disposal == GCE_DISPOSAL_BACKGROUND) { |