On Fri, Sep 17, 2021 at 09:56:16PM +0200, Michael Niedermayer wrote: > Fixes: out of array access > Fixes: > 38603/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MSNSIREN_fuzzer-5741847809490944.fuzz > > Found-by: continuous fuzzing process > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > --- > libavcodec/siren.c | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/libavcodec/siren.c b/libavcodec/siren.c > index 2161b29a2cc..7f2b4678608 100644 > --- a/libavcodec/siren.c > +++ b/libavcodec/siren.c > @@ -648,6 +648,10 @@ static int decode_vector(SirenContext *s, int > number_of_regions, > } > coefs_ptr++; > } > + if (i >= FF_ARRAY_ELEMS(noise_category5)) { > + error = 1; > + break; > + } > > noise = decoder_standard_deviation[region] * noise_category5[i]; > } else
this fixes the recent msnsiren commit. please apply -- Peter (A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)
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