Testcase: 13169/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_GDV_fuzzer-5666354038833152
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/gdv.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libavcodec/gdv.c b/libavcodec/gdv.c index c5d80f43f6..183286b55f 100644 --- a/libavcodec/gdv.c +++ b/libavcodec/gdv.c @@ -294,6 +294,8 @@ static int decompress_5(AVCodecContext *avctx, unsigned skip) while (bytestream2_get_bytes_left_p(pb) > 0 && bytestream2_get_bytes_left(gb) > 0) { int tag = read_bits2(&bits, gb); + if (bytestream2_get_bytes_left(gb) < 1) + return AVERROR_INVALIDDATA; if (tag == 0) { bytestream2_put_byte(pb, bytestream2_get_byte(gb)); } else if (tag == 1) { -- 2.20.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
