On Sat, Sep 12, 2020 at 08:18:54PM +0200, Michael Niedermayer wrote: > If no segment has a tile, the segment count really should be 0 > Fixes: Timeout (61sec -> 2sec) > Fixes: > 25445/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ARBC_fuzzer-5657711222718464 > > Found-by: continuous fuzzing process > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > --- > libavcodec/arbc.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/libavcodec/arbc.c b/libavcodec/arbc.c > index 06970f140b..9d8284df2b 100644 > --- a/libavcodec/arbc.c > +++ b/libavcodec/arbc.c > @@ -133,7 +133,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, > if (nb_segments == 0) > return avpkt->size; > > - if (7 * nb_segments > bytestream2_get_bytes_left(&s->gb)) > + if (7 * nb_segments + 6 > bytestream2_get_bytes_left(&s->gb)) > return AVERROR_INVALIDDATA; > > if ((ret = ff_get_buffer(avctx, frame, AV_GET_BUFFER_FLAG_REF)) < 0) > -- > 2.17.1 > > _______________________________________________ > 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".
Again fix for timeouts that may break valid files. _______________________________________________ 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".
