From c05268222c654fec92dc904554797c0d17997bd6 Mon Sep 17 00:00:00 2001
From: Oliver Wolff <oliver.wolff@qt.io>
Date: Thu, 19 Oct 2017 14:32:09 +0200
Subject: [PATCH] winrt: Fully initialize CREATEFILE2_EXTENDED_PARAMETERS
 struct

Not properly initializing all members of the extended parameter struct
will cause an "invalid handle specified" exception on use.

Task-number: QTBUG-63883
Change-Id: Ic3a58df864c9e29ccbadc04bd71c18c8ef34374c
Reviewed-by: Maurice Kalinowski <maurice.kalinowski@qt.io>
---
 src/corelib/io/qfilesystemengine_win.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/corelib/io/qfilesystemengine_win.cpp b/src/corelib/io/qfilesystemengine_win.cpp
index 79407afefc..b01aa55756 100644
--- a/src/corelib/io/qfilesystemengine_win.cpp
+++ b/src/corelib/io/qfilesystemengine_win.cpp
@@ -628,6 +628,9 @@ QByteArray QFileSystemEngine::id(const QFileSystemEntry &entry)
     params.dwSize = sizeof(params);
     params.dwFileAttributes = FILE_ATTRIBUTE_NORMAL;
     params.dwFileFlags = FILE_FLAG_BACKUP_SEMANTICS;
+    params.dwSecurityQosFlags = SECURITY_ANONYMOUS;
+    params.lpSecurityAttributes = NULL;
+    params.hTemplateFile = NULL;
     const HANDLE handle =
         CreateFile2((const wchar_t*)entry.nativeFilePath().utf16(), 0,
                     FILE_SHARE_READ, OPEN_EXISTING, &params);