On Tue, Feb 16, 2021 at 06:48:05PM +1100, Peter Ross wrote:
> On Mon, Feb 15, 2021 at 09:23:11PM +0100, Michael Niedermayer wrote:
> > Fixes: Timeout (long -> 5sec)
> > Fixes: 
> > 30269/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VP7_fuzzer-5430325004075008
> > 
> > Found-by: continuous fuzzing process 
> > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
> > Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
> > ---
> >  libavcodec/vp8.c | 6 +++---
> >  1 file changed, 3 insertions(+), 3 deletions(-)
> > 
> > diff --git a/libavcodec/vp8.c b/libavcodec/vp8.c
> > index 5fa7971f8f..89c48e6cb1 100644
> > --- a/libavcodec/vp8.c
> > +++ b/libavcodec/vp8.c
> > @@ -2293,10 +2293,10 @@ int vp78_decode_mv_mb_modes(AVCodecContext *avctx, 
> > VP8Frame *curframe,
> >          s->mv_bounds.mv_min.x = -MARGIN;
> >          s->mv_bounds.mv_max.x = ((s->mb_width - 1) << 6) + MARGIN;
> >  
> > -        if (vpX_rac_is_end(&s->c)) {
> > -            return AVERROR_INVALIDDATA;
> > -        }
> >          for (mb_x = 0; mb_x < s->mb_width; mb_x++, mb_xy++, mb++) {
> > +            if (vpX_rac_is_end(&s->c)) {
> > +                return AVERROR_INVALIDDATA;
> > +            }
> >              if (mb_y == 0)
> >                  AV_WN32A((mb - s->mb_width - 1)->intra4x4_pred_mode_top,
> >                           DC_PRED * 0x01010101);
> 
> ok

will apply

thx

[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Complexity theory is the science of finding the exact solution to an
approximation. Benchmarking OTOH is finding an approximation of the exact

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