From e139aaa32f2ff2682a0661bf8ff188cb3fafbec2 Mon Sep 17 00:00:00 2001
From: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Date: Mon, 27 Apr 2020 05:42:09 +0200
Subject: [PATCH] avformat/matroskaenc: Fix memleak upon encountering bogus
 chapter

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
(cherry picked from commit cb255b616cf1ebc6bc89b3538b6b7465dc2c526b)
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
---
 libavformat/matroskaenc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libavformat/matroskaenc.c b/libavformat/matroskaenc.c
index fa33ccd23d..d7636ea157 100644
--- a/libavformat/matroskaenc.c
+++ b/libavformat/matroskaenc.c
@@ -1498,6 +1498,7 @@ static int mkv_write_chapters(AVFormatContext *s)
             av_log(s, AV_LOG_ERROR,
                    "Invalid chapter start (%"PRId64") or end (%"PRId64").\n",
                    chapterstart, chapterend);
+            ffio_free_dyn_buf(&dyn_cp);
             return AVERROR_INVALIDDATA;
         }