[FFmpeg-devel] [PATCH] avformat/mov: clear old name from infe (PR #20126)

["Kacper Michajłow" <code@ffmpeg.org>]

PR #20126 opened by Kacper Michajłow (kasper93)
URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20126
Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20126.patch

heif_items are reused and to avoid leaking memory or using stale name,
clear it first.

Signed-off-by: Kacper Michajłow <kasper93@gmail.com>


From cfcf2181c29597e80f8ac03eb0d624d5901d2f64 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kacper=20Michaj=C5=82ow?= <kasper93@gmail.com>
Date: Wed, 6 Aug 2025 00:36:10 +0200
Subject: [PATCH] avformat/mov: clear old name from infe
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

heif_items are reused and to avoid leaking memory or using stale name,
clear it first.

Signed-off-by: Kacper Michajłow <kasper93@gmail.com>
---
 libavformat/mov.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libavformat/mov.c b/libavformat/mov.c
index be52f53c0c..677fcb7e78 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -8956,6 +8956,7 @@ static int mov_read_infe(MOVContext *c, AVIOContext *pb, MOVAtom atom)
         return AVERROR(ENOMEM);
     }
 
+    av_freep(&item->name);
     av_bprint_finalize(&item_name, ret ? &item->name : NULL);
     item->item_id = item_id;
     item->type    = item_type;
-- 
2.49.1

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