commit cf74c1996e084aa840db0782da833f640a3923e3
author Serhiy Storchaka <storchaka@gmail.com> Sun Jul 26 08:49:37 2015 +0300
committer Serhiy Storchaka <storchaka@gmail.com> Sun Jul 26 08:49:37 2015 +0300
tree c6c1f2619f71dceb38bab0f5671cdec207062d63
parent 7f18ac4a5962365a948d118176075e2ca045fdc7

Issue #24613: Calling array.fromstring() with self is no longer allowed
to prevent the use-after-free error.  Patch by John Leitch.

Lib/test/test_array.py

diff --git a/Lib/test/test_array.py b/Lib/test/test_array.py
index 105cf73..9f5c09d 100644
--- a/Lib/test/test_array.py
+++ b/Lib/test/test_array.py
@@ -247,6 +247,7 @@
         self.assertRaises(TypeError, a.tostring, 42)
         self.assertRaises(TypeError, b.fromstring)
         self.assertRaises(TypeError, b.fromstring, 42)
+        self.assertRaises(ValueError, a.fromstring, a)
         b.fromstring(a.tostring())
         self.assertEqual(a, b)
         if a.itemsize>1: