[PATCH 1/2] ntdll: Don't perform ASLR on XP and earlier

[Brendan McGrath]

From: Brendan McGrath

ASLR is supported only on Windows Vista and later
---
 dlls/ntdll/unix/virtual.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/dlls/ntdll/unix/virtual.c b/dlls/ntdll/unix/virtual.c
index 75e6319c007..83f90a50929 100644
--- a/dlls/ntdll/unix/virtual.c
+++ b/dlls/ntdll/unix/virtual.c
@@ -3039,7 +3039,8 @@ static NTSTATUS virtual_map_image( HANDLE mapping, void **addr_ptr, SIZE_T *size
         return status;
     }

-    if (!image_info->map_addr &&
+    if (peb->OSMajorVersion > 5 && /* ASLR is supported only on Windows Vista and later */
+        !image_info->map_addr &&
         (image_info->image_charact & IMAGE_FILE_DLL) &&
         (image_info->image_flags & IMAGE_FLAGS_ImageDynamicallyRelocated))
     {