Fixes: Timeout (>10sec -> 134ms) Fixes: 27245/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_CSCD_fuzzer-575318210772992
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 | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/cscd.c b/libavcodec/cscd.c index d50ddd6258..f5c93e9912 100644 --- a/libavcodec/cscd.c +++ b/libavcodec/cscd.c @@ -93,7 +93,7 @@ static int decode_frame(AVCodecContext *avctx, void *data, int *got_frame, 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 || dlen != c->decomp_size) { av_log(avctx, AV_LOG_ERROR, "error during zlib decompression\n"); return AVERROR_INVALIDDATA; } -- 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".
