[FFmpeg-devel] [PATCH 4/8] avformat/mxfdec: cleanup on "essence prior to first PartitionPack"

Michael Niedermayer michael at niedermayer.cc
Thu Oct 31 19:58:26 EET 2019


Fixes: memleak
Fixes: 18473/clusterfuzz-testcase-minimized-ffmpeg_DEMUXER_fuzzer-5738557074833408

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>
---
 libavformat/mxfdec.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libavformat/mxfdec.c b/libavformat/mxfdec.c
index 397f820b3f..f3b1b704f9 100644
--- a/libavformat/mxfdec.c
+++ b/libavformat/mxfdec.c
@@ -3199,7 +3199,8 @@ static int mxf_read_header(AVFormatContext *s)
 
             if (!mxf->current_partition) {
                 av_log(mxf->fc, AV_LOG_ERROR, "found essence prior to first PartitionPack\n");
-                return AVERROR_INVALIDDATA;
+                ret = AVERROR_INVALIDDATA;
+                goto fail;
             }
 
             if (!mxf->current_partition->first_essence_klv.offset)
-- 
2.23.0



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