On 22.07.2019, at 01:25, Michael Niedermayer <mich...@niedermayer.cc> wrote:
> Fixes: Timeout (2min -> 100ms) > Fixes: > 15366/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_THEORA_fuzzer-5737849938247680 > > 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 | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/libavcodec/vp3.c b/libavcodec/vp3.c > index a6f759ebf5..8a165c1275 100644 > --- a/libavcodec/vp3.c > +++ b/libavcodec/vp3.c > @@ -2957,6 +2957,8 @@ static int theora_decode_header(AVCodecContext *avctx, > GetBitContext *gb) > s->theora_header = 0; > s->theora = get_bits_long(gb, 24); > av_log(avctx, AV_LOG_DEBUG, "Theora bitstream version %X\n", s->theora); > + if (!s->theora) > + return AVERROR_INVALIDDATA; That seems rather strict, a 1-bit error in this field and we don't even try? Maybe set to 1 instead with a request for sample? _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".