From 2a32094aa03aece50fbc16a371986a9664216d83 Mon Sep 17 00:00:00 2001
From: Katayama Hirofumi MZ <katayama.hirofumi.mz@gmail.com>
Date: Sat, 11 Apr 2020 09:27:45 +0900
Subject: [PATCH] [SHELL32] Check pidl->mkid.cb == 0 at
 CChangeNotify::ShouldNotify

CORE-13950
---
 dll/win32/shell32/shelldesktop/CChangeNotify.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/dll/win32/shell32/shelldesktop/CChangeNotify.cpp b/dll/win32/shell32/shelldesktop/CChangeNotify.cpp
index af4825cdaf8..0692ff86989 100644
--- a/dll/win32/shell32/shelldesktop/CChangeNotify.cpp
+++ b/dll/win32/shell32/shelldesktop/CChangeNotify.cpp
@@ -550,6 +550,8 @@ BOOL CChangeNotify::ShouldNotify(LPDELITICKET pTicket, LPNOTIFSHARE pShared)
         return TRUE;
 
     pidl = (LPITEMIDLIST)((LPBYTE)pShared + pShared->ibPidl);
+    if (pidl->mkid.cb == 0 && pShared->fRecursive)
+        return TRUE;
 
     if (pTicket->ibOffset1)
     {