[FFmpeg-devel] [PATCH] avcodec/cbs_av1: Free content in cbs_av1_free_metadata()

Michael Niedermayer michael at niedermayer.cc
Sun Oct 11 21:21:11 EEST 2020


On Sun, Oct 11, 2020 at 10:58:04AM -0300, James Almer wrote:
> On 10/11/2020 10:46 AM, Michael Niedermayer wrote:
> > Fixes: memleak
> > Fixes: 25838/clusterfuzz-testcase-minimized-ffmpeg_BSF_TRACE_HEADERS_fuzzer-5736255957237760
> > 
> > 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/cbs_av1.c | 1 +
> >  1 file changed, 1 insertion(+)
> > 
> > diff --git a/libavcodec/cbs_av1.c b/libavcodec/cbs_av1.c
> > index 65cf45fcfa..8aa7b09fa7 100644
> > --- a/libavcodec/cbs_av1.c
> > +++ b/libavcodec/cbs_av1.c
> > @@ -1228,6 +1228,7 @@ static void cbs_av1_free_metadata(void *unit, uint8_t *content)
> >          av_buffer_unref(&md->metadata.itut_t35.payload_ref);
> >          break;
> >      }
> > +    av_free(content);
> 
> nit: av_freep() to be consistent with how cbs_h2645 handles this.

av_freep() does a dead assignment, this could trigger warnings maybe


> 
> LGTM either way.

will apply later

thx

[...]
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Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

You can kill me, but you cannot change the truth.
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