On Wed, Jan 29, 2025 at 4:40 PM Frank Plowman <p...@frankplowman.com> wrote:
> On 26/01/2025 03:10, Nuo Mi wrote:
> > fixes https://github.com/ffvvc/tests/tree/main/fuzz/passed/000323.bit
> >
> > Co-authored-by: Frank Plowman <p...@frankplowman.com>
> > ---
> >  libavcodec/vvc/ps.c | 11 +++++++++--
> >  1 file changed, 9 insertions(+), 2 deletions(-)
> >
> > diff --git a/libavcodec/vvc/ps.c b/libavcodec/vvc/ps.c
> > index c9f7c5c80f..01b4615eda 100644
> > --- a/libavcodec/vvc/ps.c
> > +++ b/libavcodec/vvc/ps.c
> > @@ -1232,7 +1232,7 @@ static int sh_alf_aps(const VVCSH *sh, const
> VVCFrameParamSets *fps)
> >      return 0;
> >  }
> >
> > -static void sh_slice_address(VVCSH *sh, const H266RawSPS *sps, const
> VVCPPS *pps)
> > +static int sh_slice_address(VVCSH *sh, const H266RawSPS *sps, const
> VVCPPS *pps)
> >  {
> >      const int slice_address     = sh->r->sh_slice_address;
> >
> > @@ -1256,6 +1256,11 @@ static void sh_slice_address(VVCSH *sh, const
> H266RawSPS *sps, const VVCPPS *pps
> >              sh->num_ctus_in_curr_slice +=
> pps->r->row_height_val[tile_y] * pps->r->col_width_val[tile_x];
> >          }
> >      }
> > +
> > +    if (!sh->num_ctus_in_curr_slice)
> > +        return  AVERROR_INVALIDDATA;
> > +
> > +    return 0;
> >  }
> >
> >  static void sh_qp_y(VVCSH *sh, const H266RawPPS *pps, const
> H266RawPictureHeader *ph)
> > @@ -1352,7 +1357,9 @@ static int sh_derive(VVCSH *sh, const
> VVCFrameParamSets *fps)
> >      const H266RawPictureHeader *ph  = fps->ph.r;
> >      int ret;
> >
> > -    sh_slice_address(sh, sps, fps->pps);
> > +    ret = sh_slice_address(sh, sps, fps->pps);
> > +    if (ret < 0)
> > +        return ret;
> >      ret = sh_alf_aps(sh, fps);
> >      if (ret < 0)
> >          return ret;
>
> LGTM!
>
Applied.
Thank you, Fei and Frank.

>
> Thanks,
> Frank
>
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