[FFmpeg-cvslog] avformat/mov: free stream_info when the surrounding array is freed

[Michael Niedermayer]

ffmpeg | branch: master | Michael Niedermayer <michael at niedermayer.cc> | Sun Dec  8 02:56:28 2024 +0100| [e8c94e31da65856920434813368956640c771684] | committer: Michael Niedermayer

avformat/mov: free stream_info when the surrounding array is freed

Fixes: memleak
Fixes: 378408474/clusterfuzz-testcase-minimized-ffmpeg_dem_MOV_fuzzer-5699368121860096

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=e8c94e31da65856920434813368956640c771684
---

 libavformat/mov.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libavformat/mov.c b/libavformat/mov.c
index 26f1bf7e1b..d6aeae048f 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -10921,6 +10921,9 @@ static int mov_read_packet(AVFormatContext *s, AVPacket *pkt)
 
         // Discard current fragment index
         if (mov->frag_index.allocated_size > 0) {
+            for(int i = 0; i < mov->frag_index.nb_items; i++) {
+                av_freep(&mov->frag_index.item[i].stream_info);
+            }
             av_freep(&mov->frag_index.item);
             mov->frag_index.nb_items = 0;
             mov->frag_index.allocated_size = 0;