Dmitry Timoshkov : oleaut32: Add an arguments check to LoadTypeLibEx.

[Alexandre Julliard]

Module: wine
Branch: stable
Commit: 515e91bbae5977e72e36a4d18ba1c574abd8be9a
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=515e91bbae5977e72e36a4d18b...

Author: Dmitry Timoshkov <dmitry(a)baikal.ru>
Date:   Wed Jun  7 00:29:37 2017 +0300

oleaut32: Add an arguments check to LoadTypeLibEx.

Signed-off-by: Nikolay Sivov <nsivov(a)codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard(a)winehq.org>
(cherry picked from commit cf45f3bcc81337ad6642a2856521e8294282c711)
Signed-off-by: Michael Stefaniuc <mstefani(a)winehq.org>

---

 dlls/oleaut32/typelib.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/dlls/oleaut32/typelib.c b/dlls/oleaut32/typelib.c
index 4fdfbeb..c3f948e 100644
--- a/dlls/oleaut32/typelib.c
+++ b/dlls/oleaut32/typelib.c
@@ -472,6 +472,9 @@ HRESULT WINAPI LoadTypeLibEx(
 
     TRACE("(%s,%d,%p)\n",debugstr_w(szFile), regkind, pptLib);
 
+    if (!szFile || !pptLib)
+        return E_INVALIDARG;
+
     *pptLib = NULL;
 
     res = TLB_ReadTypeLib(szFile, szPath, MAX_PATH + 1, (ITypeLib2**)pptLib);