On Mon, Jul 22, 2019 at 07:07:57AM +0200, Reimar Döffinger wrote: > > > 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?
ok, will post a new patch [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Elect your leaders based on what they did after the last election, not based on what they say before an election.
signature.asc
Description: PGP signature
_______________________________________________ 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".
