Zhiyi Zhang : kernelbase: Check NULL canonicalized_len parameter in UrlCanonicalizeW().

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 3cbd9cda195be6afc4290202b6676417812e536b
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=3cbd9cda195be6afc4290202b...

Author: Zhiyi Zhang <zzhang(a)codeweavers.com>
Date:   Mon May 18 09:52:03 2020 +0800

kernelbase: Check NULL canonicalized_len parameter in UrlCanonicalizeW().

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=49175
Signed-off-by: Zhiyi Zhang <zzhang(a)codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard(a)winehq.org>

---

 dlls/kernelbase/path.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dlls/kernelbase/path.c b/dlls/kernelbase/path.c
index 29887a2353..d7e2f0a234 100644
--- a/dlls/kernelbase/path.c
+++ b/dlls/kernelbase/path.c
@@ -3521,7 +3521,7 @@ HRESULT WINAPI UrlCanonicalizeW(const WCHAR *src_url, WCHAR *canonicalized, DWOR
 
     TRACE("%s, %p, %p, %#x\n", wine_dbgstr_w(src_url), canonicalized, canonicalized_len, flags);
 
-    if (!src_url || !canonicalized || !canonicalized || !*canonicalized_len)
+    if (!src_url || !canonicalized || !canonicalized_len || !*canonicalized_len)
         return E_INVALIDARG;
 
     if (!*src_url)