On Thu, Dec 23, 2021 at 10:15:27PM +0100, Michael Niedermayer wrote: > Fixes: division by zero > Fixes: > 42814/clusterfuzz-testcase-minimized-ffmpeg_dem_MV_fuzzer-4787014237552640 > > 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 | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/libavformat/mvdec.c b/libavformat/mvdec.c > index 1a5012e5076..390f6ba4de8 100644 > --- a/libavformat/mvdec.c > +++ b/libavformat/mvdec.c > @@ -366,6 +366,9 @@ static int mv_read_header(AVFormatContext *avctx) > avpriv_request_sample(avctx, "Audio compression (format %i)", v); > } > > + if (bytes_per_sample <= 0) > + return AVERROR_INVALIDDATA; > + > if (set_channels(avctx, ast, avio_rb32(pb)) < 0) > return AVERROR_INVALIDDATA;
please apply. -- Peter (A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)
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