On Sun, Jun 22, 2025 at 02:40:23PM +1000, Peter Ross wrote: > On Sat, Jun 21, 2025 at 11:15:20PM +0200, Michael Niedermayer wrote: > > Fixes: division by 0 > > Fixes: > > 418396712/clusterfuzz-testcase-minimized-ffmpeg_dem_IFF_fuzzer-6104388018176000 > > Fixes: > > 418478219/clusterfuzz-testcase-minimized-ffmpeg_dem_IFF_fuzzer-4569544410857472 > > > > Found-by: continuous fuzzing process > > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > > Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > > --- > > libavformat/iff.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/libavformat/iff.c b/libavformat/iff.c > > index 9402be48c98..4ff10beb38a 100644 > > --- a/libavformat/iff.c > > +++ b/libavformat/iff.c > > @@ -284,7 +284,7 @@ static int parse_dsd_prop(AVFormatContext *s, AVStream > > *st, uint64_t eof) > > return AVERROR_INVALIDDATA; > > st->codecpar->ch_layout.order = AV_CHANNEL_ORDER_UNSPEC; > > st->codecpar->ch_layout.nb_channels = avio_rb16(pb); > > - if (size < 2 + st->codecpar->ch_layout.nb_channels * 4) > > + if (size < 2 + st->codecpar->ch_layout.nb_channels * 4 || > > !st->codecpar->ch_layout.nb_channels) > > return AVERROR_INVALIDDATA; > > if (st->codecpar->ch_layout.nb_channels > > > FF_ARRAY_ELEMS(dsd_layout)) { > > avpriv_request_sample(s, "channel layout"); > > please apply
will apply thx [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Complexity theory is the science of finding the exact solution to an approximation. Benchmarking OTOH is finding an approximation of the exact
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