On Fri, May 20, 2022 at 09:17:50AM +0200, Andreas Rheinhardt wrote:
> Michael Niedermayer:
> > The code is only called if size is > 0 so buf should not be NULL
> > 
> > Helps: CID610554
> > 
> > Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
> > ---
> >  libavformat/matroskadec.c | 2 ++
> >  1 file changed, 2 insertions(+)
> > 
> > diff --git a/libavformat/matroskadec.c b/libavformat/matroskadec.c
> > index 4715f1b7d4..de73f97aca 100644
> > --- a/libavformat/matroskadec.c
> > +++ b/libavformat/matroskadec.c
> > @@ -3701,6 +3701,8 @@ static int matroska_parse_block(MatroskaDemuxContext *matroska, AVBufferRef *buf
> >      uint64_t num;
> >      int trust_default_duration;
> >  
> > +    av_assert1(buf);
> > +
> >      ffio_init_context(&pb, data, size, 0, NULL, NULL, NULL, NULL);
> >  
> >      if ((n = ebml_read_num(matroska, &pb.pub, 8, &num, 1)) < 0)
> 
> Ok.

will apply

thx

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

The bravest are surely those who have the clearest vision
of what is before them, glory and danger alike, and yet
notwithstanding go out to meet it. -- Thucydides