Re: [FFmpeg-devel] [PATCH 6/6] avformat/mov: Check avif_info

[Michael Niedermayer <michael@niedermayer.cc>]

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On Thu, Sep 28, 2023 at 12:37:57PM +0200, Anton Khirnov wrote:
> Quoting Michael Niedermayer (2023-09-21 20:09:12)
> > Fixes: leak
> > Fixes: 62164/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-6674082962997248
> > 
> > Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
> > Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
> > ---
> >  libavformat/mov.c | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/libavformat/mov.c b/libavformat/mov.c
> > index 93c1f9e929a..52939a373ec 100644
> > --- a/libavformat/mov.c
> > +++ b/libavformat/mov.c
> > @@ -7767,7 +7767,7 @@ static int mov_read_iloc(MOVContext *c, AVIOContext *pb, MOVAtom atom)
> >          return 0;
> >      }
> >  
> > -    if (c->fc->nb_streams) {
> > +    if (c->fc->nb_streams || c->avif_info) {
> 
> I remember seeing this patch before and asking whether the first
> condition is not redundant now.

right, the author of the underlaying code also suggested its redundant,
so as suggested there ill apply it with just the 2nd check

thx

[...]
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Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

No human being will ever know the Truth, for even if they happen to say it
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