[FFmpeg-devel] [PATCH 1/2] avformat/mov: Corner case encryption error cleanup in mov_read_senc()

Michael Niedermayer michael at niedermayer.cc
Thu Feb 10 13:34:40 EET 2022


Fixes: memleak
Fixes: 42341/clusterfuzz-testcase-minimized-ffmpeg_dem_MOV_fuzzer-4566632823914496

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/mov.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavformat/mov.c b/libavformat/mov.c
index a80fcc1606..5e26267810 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -6105,6 +6105,8 @@ static int mov_read_senc(MOVContext *c, AVIOContext *pb, MOVAtom atom)
         }
         if (pb->eof_reached) {
             av_log(c->fc, AV_LOG_ERROR, "Hit EOF while reading senc\n");
+            if (ret >= 0)
+                av_encryption_info_free(encryption_index->encrypted_samples[i]);
             ret = AVERROR_INVALIDDATA;
         }
 
-- 
2.17.1



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