[FFmpeg-devel] [PATCH 2/2] avcodec/utils: Require a non zero channels unless AV_CODEC_CAP_CHANNEL_CONF is set

[Michael Niedermayer]

On Fri, Sep 11, 2020 at 03:42:45PM +0200, Paul B Mahol wrote:
> On Thu, Sep 10, 2020 at 02:02:20PM +0200, Michael Niedermayer wrote:
> > This avoids per codec checks for channels not being 0
> > 
> > Fixes: division by 0
> > Fixes: 25419/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FASTAUDIO_fuzzer-5632544761184256
> > Fixes: 25433/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_FASTAUDIO_fuzzer-6215671900536832
> > 
> > Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
> > Suggested-by: Paul B Mahol <onemda at gmail.com>
> > See: [FFmpeg-devel] [PATCH 1/3] avcodec/fastaudio: Check channel
> > Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
> > ---
> >  libavcodec/utils.c | 9 +++++++++
> >  1 file changed, 9 insertions(+)
> 
> LGTM

will apply in case i spot no test failure

thx

[...]
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Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

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