From 3305cfabfb2f479ff535e20d9f79f61160bc8433 Mon Sep 17 00:00:00 2001
From: Eric Kohl <eric.kohl@reactos.org>
Date: Tue, 16 Aug 2011 19:16:16 +0000
Subject: [PATCH] [ADVAPI32] Fix QueryServiceStatusEx.

svn path=/trunk/; revision=53270
---
 reactos/dll/win32/advapi32/service/scm.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/reactos/dll/win32/advapi32/service/scm.c b/reactos/dll/win32/advapi32/service/scm.c
index d3117e13b9e..2f1b8455de3 100644
--- a/reactos/dll/win32/advapi32/service/scm.c
+++ b/reactos/dll/win32/advapi32/service/scm.c
@@ -2526,6 +2526,13 @@ QueryServiceStatusEx(SC_HANDLE hService,
         return FALSE;
     }
 
+    if (cbBufSize < sizeof(SERVICE_STATUS_PROCESS))
+    {
+        *pcbBytesNeeded = sizeof(SERVICE_STATUS_PROCESS);
+        SetLastError(ERROR_INSUFFICIENT_BUFFER);
+        return FALSE;
+    }
+
     RpcTryExcept
     {
         /* Call to services.exe using RPC */