From 2c4beeca8e4ae94a9cea8bd428ff66373a83f9e2 Mon Sep 17 00:00:00 2001
From: Katayama Hirofumi MZ <katayama.hirofumi.mz@gmail.com>
Date: Tue, 25 Jan 2022 21:08:14 +0900
Subject: [PATCH] [SHELL32] CCopyToMenu/CMoveToMenu: Check if this_ is NULL

---
 dll/win32/shell32/CCopyToMenu.cpp | 3 +++
 dll/win32/shell32/CMoveToMenu.cpp | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/dll/win32/shell32/CCopyToMenu.cpp b/dll/win32/shell32/CCopyToMenu.cpp
index 034acb5d844..e72b217945b 100644
--- a/dll/win32/shell32/CCopyToMenu.cpp
+++ b/dll/win32/shell32/CCopyToMenu.cpp
@@ -101,6 +101,9 @@ BrowseCallbackProc(HWND hwnd, UINT uMsg, LPARAM lParam, LPARAM lpData)
         }
         case BFFM_SELCHANGED:
         {
+            if (!this_)
+                break;
+
             WCHAR szPath[MAX_PATH];
             LPCITEMIDLIST pidl = reinterpret_cast<LPCITEMIDLIST>(lParam);
 
diff --git a/dll/win32/shell32/CMoveToMenu.cpp b/dll/win32/shell32/CMoveToMenu.cpp
index ec8714ebd9b..c0e1c83a54d 100644
--- a/dll/win32/shell32/CMoveToMenu.cpp
+++ b/dll/win32/shell32/CMoveToMenu.cpp
@@ -100,6 +100,9 @@ BrowseCallbackProc(HWND hwnd, UINT uMsg, LPARAM lParam, LPARAM lpData)
         }
         case BFFM_SELCHANGED:
         {
+            if (!this_)
+                break;
+
             WCHAR szPath[MAX_PATH];
             LPCITEMIDLIST pidl = reinterpret_cast<LPCITEMIDLIST>(lParam);