Merged revisions 75145 via svnmerge from
svn+ssh://pythondev@www.python.org/python/branches/py3k

................
  r75145 | mark.dickinson | 2009-09-29 20:21:35 +0100 (Tue, 29 Sep 2009) | 10 lines

  Merged revisions 75141 via svnmerge from
  svn+ssh://pythondev@svn.python.org/python/trunk

  ........
    r75141 | mark.dickinson | 2009-09-29 20:01:06 +0100 (Tue, 29 Sep 2009) | 3 lines

    Issue #7019:  Unmarshalling of bad long data could produce unnormalized
    PyLongs.  Raise ValueError instead.
  ........
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diff --git a/Lib/test/test_marshal.py b/Lib/test/test_marshal.py
index 6e3efe4..6688785 100644
--- a/Lib/test/test_marshal.py
+++ b/Lib/test/test_marshal.py
@@ -212,6 +212,11 @@
         testString = 'abc' * size
         marshal.dumps(testString)
 
+    def test_invalid_longs(self):
+        # Issue #7019: marshal.loads shouldn't produce unnormalized PyLongs
+        invalid_string = b'l\x02\x00\x00\x00\x00\x00\x00\x00'
+        self.assertRaises(ValueError, marshal.loads, invalid_string)
+
 
 def test_main():
     support.run_unittest(IntTestCase,