On Mon, Sep 02, 2019 at 06:33:43PM +1000, Peter Ross wrote: > On Sun, Sep 01, 2019 at 11:10:25PM +0200, Michael Niedermayer wrote: > > Fixes: Timeout (82sec -> 1sec) > > Fixes: > > 16411/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_VP3_fuzzer-5166958151991296 > > > > 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 | 4 ++++ > > 1 file changed, 4 insertions(+) > > > > diff --git a/libavcodec/vp3.c b/libavcodec/vp3.c > > index 28ed0461c7..a2bd2ef07d 100644 > > --- a/libavcodec/vp3.c > > +++ b/libavcodec/vp3.c > > @@ -710,6 +710,8 @@ static int vp4_unpack_macroblocks(Vp3DecodeContext *s, > > GetBitContext *gb) > > has_partial = 0; > > bit = get_bits1(gb); > > for (i = 0; i < s->yuv_macroblock_count; i += current_run) { > > + if (get_bits_left(gb) <= 0) > > + return AVERROR_INVALIDDATA; > > current_run = vp4_get_mb_count(s, gb); > > if (current_run > s->yuv_macroblock_count - i) > > return -1; > > @@ -719,6 +721,8 @@ static int vp4_unpack_macroblocks(Vp3DecodeContext *s, > > GetBitContext *gb) > > } > > > > if (has_partial) { > > + if (get_bits_left(gb) <= 0) > > + return AVERROR_INVALIDDATA; > > bit = get_bits1(gb); > > current_run = vp4_get_mb_count(s, gb); > > for (i = 0; i < s->yuv_macroblock_count; i++) { > > -- > > 2.23.0 > > approve.
will apply thx [...] -- Michael GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB While the State exists there can be no freedom; when there is freedom there will be no State. -- Vladimir Lenin
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