On 12/14/2019 9:08 AM, Michael Niedermayer wrote: > Fixes: out of array read > Fixes: > 19300/clusterfuzz-testcase-minimized-ffmpeg_BSF_VP9_METADATA_fuzzer-5653911730126848 > > Found-by: continuous fuzzing process > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > --- > libavcodec/cbs_vp9.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/libavcodec/cbs_vp9.c b/libavcodec/cbs_vp9.c > index 42e4dcf5ac..98730e03e3 100644 > --- a/libavcodec/cbs_vp9.c > +++ b/libavcodec/cbs_vp9.c > @@ -428,6 +428,9 @@ static int cbs_vp9_split_fragment(CodedBitstreamContext > *ctx, > index_size = 2 + (((superframe_header & 0x18) >> 3) + 1) * > ((superframe_header & 0x07) + 1); > > + if (index_size > frag->data_size) > + return AVERROR_INVALIDDATA; > + > err = init_get_bits(&gbc, frag->data + frag->data_size - index_size, > 8 * index_size); > if (err < 0)
Should be ok. _______________________________________________ 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".
