From 98101c04638fe362083948cfe065877a7fe0d1a5 Mon Sep 17 00:00:00 2001
From: wiredfool <eric-github@soroos.net>
Date: Mon, 3 Oct 2016 07:42:48 -0700
Subject: [PATCH] Vulnerable map function is not called on windows

---
 PIL/ImageFile.py  | 2 +-
 Tests/test_map.py | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/PIL/ImageFile.py b/PIL/ImageFile.py
index b21e9e317..706cbf328 100644
--- a/PIL/ImageFile.py
+++ b/PIL/ImageFile.py
@@ -154,7 +154,7 @@ class ImageFile(Image.Image):
             if d == "raw" and a[0] == self.mode and a[0] in Image._MAPMODES:
                 try:
                     if hasattr(Image.core, "map"):
-                        # use built-in mapper
+                        # use built-in mapper  WIN32 only
                         self.map = Image.core.map(self.filename)
                         self.map.seek(o)
                         self.im = self.map.readimage(
diff --git a/Tests/test_map.py b/Tests/test_map.py
index d9b66e965..14bd835a2 100644
--- a/Tests/test_map.py
+++ b/Tests/test_map.py
@@ -1,7 +1,10 @@
 from helper import PillowTestCase, unittest
+import sys
 
 from PIL import Image
 
+
+@unittest.skipIf(sys.platform.startswith('win32'), "Win32 does not call map_buffer")
 class TestMap(PillowTestCase):
     def test_overflow(self):
         # There is the potential to overflow comparisons in map.c