Fixes: Timeout Fixes: 6304/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_CSCD_fuzzer-5754772461191168
Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> --- libavcodec/cscd.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/libavcodec/cscd.c b/libavcodec/cscd.c index 9e1dec9d96..35c4ee08c3 100644 --- a/libavcodec/cscd.c +++ b/libavcodec/cscd.c @@ -81,15 +81,19 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, switch ((buf[0] >> 1) & 7) { case 0: { // lzo compression int outlen = c->decomp_size, inlen = buf_size - 2; - if (av_lzo1x_decode(c->decomp_buf, &outlen, &buf[2], &inlen)) + if (av_lzo1x_decode(c->decomp_buf, &outlen, &buf[2], &inlen)) { av_log(avctx, AV_LOG_ERROR, "error during lzo decompression\n"); + return AVERROR_INVALIDDATA; + } break; } case 1: { // zlib compression #if CONFIG_ZLIB unsigned long dlen = c->decomp_size; - if (uncompress(c->decomp_buf, &dlen, &buf[2], buf_size - 2) != Z_OK) + if (uncompress(c->decomp_buf, &dlen, &buf[2], buf_size - 2) != Z_OK) { av_log(avctx, AV_LOG_ERROR, "error during zlib decompression\n"); + return AVERROR_INVALIDDATA; + } break; #else av_log(avctx, AV_LOG_ERROR, "compiled without zlib support\n"); -- 2.16.2 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel