On Wed, Apr 28, 2021 at 05:06:33PM +0200, Michael Niedermayer wrote: > Fixes: signed integer overflow: -635424002382840000 * 16 cannot be > represented in type 'long' > Fixes: > 33612/clusterfuzz-testcase-minimized-ffmpeg_dem_MV_fuzzer-5704741108711424 > > Found-by: continuous fuzzing process > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > --- > libavformat/mvdec.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/libavformat/mvdec.c b/libavformat/mvdec.c > index 2f72f9eb4f..b1450e08da 100644 > --- a/libavformat/mvdec.c > +++ b/libavformat/mvdec.c > @@ -157,6 +157,8 @@ static int parse_audio_var(AVFormatContext *avctx, > AVStream *st, > return set_channels(avctx, st, var_read_int(pb, size)); > } else if (!strcmp(name, "SAMPLE_RATE")) { > st->codecpar->sample_rate = var_read_int(pb, size); > + if (st->codecpar->sample_rate <= 0) > + return AVERROR_INVALIDDATA; > avpriv_set_pts_info(st, 33, 1, st->codecpar->sample_rate); > } else if (!strcmp(name, "SAMPLE_WIDTH")) { > uint64_t bpc = var_read_int(pb, size) * (uint64_t)8; > -- > 2.17.1
please apply -- Peter (A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)
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