On 6/24/2018 6:18 PM, Michael Niedermayer wrote: > Fixes: Timeout > Fixes: > 8722/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_ESCAPE124_fuzzer-4843268402577408 > > Found-by: continuous fuzzing process > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > --- > libavcodec/escape124.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/libavcodec/escape124.c b/libavcodec/escape124.c > index eb051eba54..33c67e7754 100644 > --- a/libavcodec/escape124.c > +++ b/libavcodec/escape124.c > @@ -221,7 +221,7 @@ static int escape124_decode_frame(AVCodecContext *avctx, > > // This call also guards the potential depth reads for the > // codebook unpacking. > - if (get_bits_left(&gb) < 64) > + if (get_bits_left(&gb) < 64 + s->num_superblocks * 23LL / 4320)
An explanation of what these numbers and/or the overall check mean would help people reading this code in the future. > return -1; > > frame_flags = get_bits_long(&gb, 32); > _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
