Issue #3299: Fix possible crash in the _sre module when given bad
argument values in debug mode. Patch by Victor Stinner.
diff --git a/Lib/test/test_re.py b/Lib/test/test_re.py
index 56056da..456917a 100644
--- a/Lib/test/test_re.py
+++ b/Lib/test/test_re.py
@@ -703,6 +703,12 @@
self.assertEqual(pattern.sub('#', 'a\nb\nc'), 'a#\nb#\nc#')
self.assertEqual(pattern.sub('#', '\n'), '#\n#')
+ def test_dealloc(self):
+ # issue 3299: check for segfault in debug build
+ import _sre
+ long_overflow = sys.maxsize + 2
+ self.assertRaises(TypeError, re.finditer, "a", {})
+ self.assertRaises(OverflowError, _sre.compile, "abc", 0, [long_overflow])
def run_re_tests():
from test.re_tests import benchmarks, tests, SUCCEED, FAIL, SYNTAX_ERROR