[FFmpeg-devel] [PATCH 5/6] avcodec/ffv1dec: consider run increase in minimal golomb frame size

[Michael Niedermayer]

On Tue, Jul 19, 2022 at 08:37:38AM -0300, James Almer wrote:
> 
> 
> On 7/19/2022 8:34 AM, Michael Niedermayer wrote:
> > Fixes: Timeout
> > Fixes: 49160/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FFV1_fuzzer-5672826144686080
> > 
> > Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
> > Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
> > ---
> >   libavcodec/ffv1dec.c | 6 +++++-
> >   1 file changed, 5 insertions(+), 1 deletion(-)
> > 
> > diff --git a/libavcodec/ffv1dec.c b/libavcodec/ffv1dec.c
> > index 01ddcaa512..9bdac0be4e 100644
> > --- a/libavcodec/ffv1dec.c
> > +++ b/libavcodec/ffv1dec.c
> > @@ -883,7 +883,11 @@ static int decode_frame(AVCodecContext *avctx, AVFrame *rframe,
> >           if (buf_size < avctx->width * avctx->height / (128*8))
> >               return AVERROR_INVALIDDATA;
> >       } else {
> > -        if (buf_size < avctx->height / 8)
> > +        int i;
> 
> for (int i...

will apply with that change

thx

[...]
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