[PATCH v2 2/2] kernelbase:fix stack overflow by DefineDosDeviceW().

Xu Wei xuwei at uniontech.com
Wed Sep 1 02:16:00 CDT 2021


Signed-off-by: Xu Wei <xuwei at uniontech.com>
---
 dlls/kernelbase/volume.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dlls/kernelbase/volume.c b/dlls/kernelbase/volume.c
index d513dda1f9d..7988d4fa193 100644
--- a/dlls/kernelbase/volume.c
+++ b/dlls/kernelbase/volume.c
@@ -384,7 +384,7 @@ err_ret:
  */
 BOOL WINAPI DECLSPEC_HOTPATCH DefineDosDeviceW( DWORD flags, const WCHAR *device, const WCHAR *target )
 {
-    WCHAR link_name[15] = L"\\DosDevices\\";
+    WCHAR link_name[MAX_PATH] = L"\\DosDevices\\";
     UNICODE_STRING nt_name, nt_target;
     OBJECT_ATTRIBUTES attr;
     NTSTATUS status;
-- 
2.20.1






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