From f314884b7de3391ffe4259feb103f74584a58f85 Mon Sep 17 00:00:00 2001
From: Seungha Yang <seungha@centricular.com>
Date: Wed, 1 Feb 2023 23:08:03 +0900
Subject: [PATCH] pluginloader-win32: Zero initialize overlapped struct before
 use

Helper child process might be spawned multiple times for some reason
then overlapped struct can hold garbage data. Always clear the struct.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/3863>
---
 subprojects/gstreamer/gst/gstpluginloader-win32.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/subprojects/gstreamer/gst/gstpluginloader-win32.c b/subprojects/gstreamer/gst/gstpluginloader-win32.c
index f85bccab18..2a7b98f203 100644
--- a/subprojects/gstreamer/gst/gstpluginloader-win32.c
+++ b/subprojects/gstreamer/gst/gstpluginloader-win32.c
@@ -308,6 +308,11 @@ gst_plugin_loader_try_helper (GstPluginLoader * self, gchar * location)
     goto error;
   }
 
+  loader->overlap.Internal = 0;
+  loader->overlap.InternalHigh = 0;
+  loader->overlap.Offset = 0;
+  loader->overlap.OffsetHigh = 0;
+
   /* Async pipe should return zero */
   if (ConnectNamedPipe (loader->pipe, &loader->overlap)) {
     last_err = GetLastError ();