lgtm On 2/9/20, Michael Niedermayer <mich...@niedermayer.cc> wrote: > Fixes: out of array read > Fixes: > 20494/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_MVDV_fuzzer-5681452423577600 > > Found-by: continuous fuzzing process > https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg > Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > --- > libavcodec/midivid.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/libavcodec/midivid.c b/libavcodec/midivid.c > index bb5105bd57..8d4c3b369e 100644 > --- a/libavcodec/midivid.c > +++ b/libavcodec/midivid.c > @@ -126,6 +126,8 @@ static int decode_mvdv(MidiVidContext *s, AVCodecContext > *avctx, AVFrame *frame) > idx9bits--; > idx = bytestream2_get_byte(gb) | (((idx9val >> (7 - > idx9bits)) & 1) << 8); > } > + if (idx >= nb_vectors) > + return AVERROR_INVALIDDATA; > > dsty[x +frame->linesize[0]] = vec[idx * 12 + 0]; > dsty[x+1+frame->linesize[0]] = vec[idx * 12 + 3]; > -- > 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". _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
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