Fixes: out of array access Fixes: 5919/clusterfuzz-testcase-minimized-5859311382167552
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 | 3 +++ 1 file changed, 3 insertions(+) diff --git a/libavcodec/vp3.c b/libavcodec/vp3.c index cf9c57f5fa..120c20f349 100644 --- a/libavcodec/vp3.c +++ b/libavcodec/vp3.c @@ -978,6 +978,9 @@ static int unpack_vlcs(Vp3DecodeContext *s, GetBitContext *gb, if (eob_run_get_bits[token]) eob_run += get_bits(gb, eob_run_get_bits[token]); + if (!eob_run) + return AVERROR_INVALIDDATA; + // record only the number of blocks ended in this plane, // any spill will be recorded in the next plane. if (eob_run > num_coeffs - coeff_i) { -- 2.16.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
