commit c721472fb83d1f7c7606bcf33ba2d42d6127a764
author Miss Islington (bot) <31488909+miss-islington@users.noreply.github.com> Fri Jul 13 20:58:12 2018 -0700
committer GitHub <noreply@github.com> Fri Jul 13 20:58:12 2018 -0700
tree 5423358bf1045bb2902ddbf92a772c2689146b35
parent cf21d0031dd84544d4108765553c2b03dfe726c5

bpo-34087: Fix buffer overflow in int(s) and similar functions (GH-8274)


`_PyUnicode_TransformDecimalAndSpaceToASCII()` missed trailing NUL char.
It caused buffer overflow in `_Py_string_to_number_with_underscores()`.

This bug is introduced in 9b6c60cb.
(cherry picked from commit 16dfca4d829e45f36e71bf43f83226659ce49315)

Co-authored-by: INADA Naoki <methane@users.noreply.github.com>

Lib/test/test_complex.py

diff --git a/Lib/test/test_complex.py b/Lib/test/test_complex.py
index 2d883c5..21c6eae 100644
--- a/Lib/test/test_complex.py
+++ b/Lib/test/test_complex.py
@@ -345,6 +345,9 @@
         self.assertEqual(type(complex("1"*500)), complex)
         # check whitespace processing
         self.assertEqual(complex('\N{EM SPACE}(\N{EN SPACE}1+1j ) '), 1+1j)
+        # Invalid unicode string
+        # See bpo-34087
+        self.assertRaises(ValueError, complex, '\u3053\u3093\u306b\u3061\u306f')
 
         class EvilExc(Exception):
             pass