Fixes: Timeout (217sec -> 2ms) Fixes: 18488/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_QDM2_fuzzer-5708293662310400
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/qdm2.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/qdm2.c b/libavcodec/qdm2.c index ac8ae8cbbb..7b9d50b234 100644 --- a/libavcodec/qdm2.c +++ b/libavcodec/qdm2.c @@ -1704,7 +1704,7 @@ static av_cold int qdm2_decode_init(AVCodecContext *avctx) s->group_size = bytestream2_get_be32(&gb); s->fft_size = bytestream2_get_be32(&gb); s->checksum_size = bytestream2_get_be32(&gb); - if (s->checksum_size >= 1U << 28 || !s->checksum_size) { + if (s->checksum_size >= 1U << 28 || s->checksum_size <= 1) { av_log(avctx, AV_LOG_ERROR, "data block size invalid (%u)\n", s->checksum_size); return AVERROR_INVALIDDATA; } -- 2.23.0 _______________________________________________ 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".
