On Sun, Jun 24, 2018 at 07:00:25PM -0300, James Almer wrote: > 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.
new patch sent with explanation thx [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB Those who are best at talking, realize last or never when they are wrong.
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