On Sat, Jan 30, 2021 at 04:00:20PM +0100, Michael Niedermayer wrote: > Fixes: Timeout > Fixes: > 29226/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_THEORA_fuzzer-6195092572471296 > > Found-by: continuous fuzzing process > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > --- > libavcodec/vp3.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/libavcodec/vp3.c b/libavcodec/vp3.c > index 2a1da6b062..57c6eb1ff9 100644 > --- a/libavcodec/vp3.c > +++ b/libavcodec/vp3.c > @@ -2875,6 +2875,9 @@ static int theora_decode_header(AVCodecContext *avctx, > GetBitContext *gb) > int ret; > AVRational fps, aspect; > > + if (get_bits_left(gb) < 206) > + return AVERROR_INVALIDDATA; > + > s->theora_header = 0; > s->theora = get_bits(gb, 24); > av_log(avctx, AV_LOG_DEBUG, "Theora bitstream version %X\n", s->theora); > -- > 2.17.1
ok -- Peter (A907 E02F A6E5 0CD2 34CD 20D2 6760 79C5 AC40 DD6B)
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