Vulnerable map function is not called on windows

python-pillow · Oct 3, 2016 · 98101c0 · 98101c0
1 parent 6ce889a
commit 98101c0
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Showing 2 changed files with 4 additions and 1 deletion.
diff --git a/PIL/ImageFile.py b/PIL/ImageFile.py
@@ -154,7 +154,7 @@ def load(self):
             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
@@ -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