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| author | Michael Niedermayer <michaelni@gmx.at> | 2012-11-17 20:17:22 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2012-11-17 20:43:56 +0100 |
| commit | 845724c82c1a732ab398c9e8cedd178f96f1626d (patch) | |
| tree | bd91e63e71e8d73d4c26df75791ff8c11e2ef8b0 | |
| parent | fb1ea777b3a01be6d71a103529ad37982707cacc (diff) | |
| download | ffmpeg-845724c82c1a732ab398c9e8cedd178f96f1626d.tar.gz | |
vcr1: check if dimensions are supported, fix out of array accesses.
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
| -rw-r--r-- | libavcodec/vcr1.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libavcodec/vcr1.c b/libavcodec/vcr1.c index 2a4a090885..acac925870 100644 --- a/libavcodec/vcr1.c +++ b/libavcodec/vcr1.c @@ -50,6 +50,10 @@ static av_cold int vcr1_decode_init(AVCodecContext *avctx) avctx->pix_fmt = AV_PIX_FMT_YUV410P; + if (avctx->width % 8 || avctx->height%4) { + av_log_ask_for_sample(avctx, "odd dimensions are not supported\n"); + return AVERROR_PATCHWELCOME; + } return 0; } |