From 0bed1b89530042f0a835b8d1178aa52b40a751f6 Mon Sep 17 00:00:00 2001
From: James Almer <jamrial@gmail.com>
Date: Fri, 27 Dec 2024 11:53:16 -0300
Subject: [PATCH] avutil/downmix_info: zero the allocated buffer

Signed-off-by: James Almer <jamrial@gmail.com>
---
 libavutil/downmix_info.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/libavutil/downmix_info.c b/libavutil/downmix_info.c
index c634c6a79f..feaee28493 100644
--- a/libavutil/downmix_info.c
+++ b/libavutil/downmix_info.c
@@ -27,9 +27,11 @@ AVDownmixInfo *av_downmix_info_update_side_data(AVFrame *frame)
 
     side_data = av_frame_get_side_data(frame, AV_FRAME_DATA_DOWNMIX_INFO);
 
-    if (!side_data)
+    if (!side_data) {
         side_data = av_frame_new_side_data(frame, AV_FRAME_DATA_DOWNMIX_INFO,
                                            sizeof(AVDownmixInfo));
+        memset(side_data->data, 0, sizeof(AVDownmixInfo));
+    }
 
     if (!side_data)
         return NULL;