ffmpeg | branch: release/4.0 | Michael Niedermayer <mich...@niedermayer.cc> | 
Wed Jun 27 16:51:51 2018 +0200| [20c5fb972101fa25dedaf35a9c0ce2bf02fa6b52] | 
committer: Michael Niedermayer

avformat/movenc: Check that frame_types other than EAC3_FRAME_TYPE_INDEPENDENT 
have a supported substream id

Fixes: out of array access
Fixes: ffmpeg_bof_1.avi

Found-by: Thuan Pham, Marcel Böhme, Andrew Santosa and Alexandru Razvan 
Caciulescu with AFLSmart
Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>
(cherry picked from commit ed22dc22216f74c75ee7901f82649e1ff725ba50)
Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=20c5fb972101fa25dedaf35a9c0ce2bf02fa6b52
---

 libavformat/movenc.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/libavformat/movenc.c b/libavformat/movenc.c
index 44f468d19f..3d2905648b 100644
--- a/libavformat/movenc.c
+++ b/libavformat/movenc.c
@@ -433,6 +433,12 @@ static int handle_eac3(MOVMuxContext *mov, AVPacket *pkt, 
MOVTrack *track)
                 info->ec3_done = 1;
                 goto concatenate;
             }
+        } else {
+            if (hdr->substreamid != 0) {
+                avpriv_request_sample(mov->fc, "Multiple non EAC3 independent 
substreams");
+                ret = AVERROR_PATCHWELCOME;
+                goto end;
+            }
         }
 
         /* fill the info needed for the "dec3" atom */

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