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| author | Erlend E. Aasland <erlend@python.org> | 2024-03-18 12:24:24 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-03-18 12:24:24 (GMT) |
| commit | e2fcaf19d302b05d3466807bad0a61f39db2a51b (patch) | |
| tree | b1fe9e965596276acdec23d8075214ccb1039330 /Lib | |
| parent | cd2ed917801b93fb46d1dcf19dd480e5146932d8 (diff) | |
| download | cpython-e2fcaf19d302b05d3466807bad0a61f39db2a51b.zip cpython-e2fcaf19d302b05d3466807bad0a61f39db2a51b.tar.gz cpython-e2fcaf19d302b05d3466807bad0a61f39db2a51b.tar.bz2 | |
gh-115874: Don't use module state in teedataobject tp_dealloc (#116204)
Co-authored-by: Brandt Bucher <brandtbucher@microsoft.com>
Diffstat (limited to 'Lib')
| -rw-r--r-- | Lib/test/test_itertools.py | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/Lib/test/test_itertools.py b/Lib/test/test_itertools.py index 9af0730..95e6791 100644 --- a/Lib/test/test_itertools.py +++ b/Lib/test/test_itertools.py @@ -1,7 +1,7 @@ import doctest import unittest from test import support -from test.support import threading_helper +from test.support import threading_helper, script_helper from itertools import * import weakref from decimal import Decimal @@ -1699,6 +1699,14 @@ class TestBasicOps(unittest.TestCase): self.pickletest(proto, a, compare=ans) self.pickletest(proto, b, compare=ans) + def test_tee_dealloc_segfault(self): + # gh-115874: segfaults when accessing module state in tp_dealloc. + script = ( + "import typing, copyreg, itertools; " + "copyreg.buggy_tee = itertools.tee(())" + ) + script_helper.assert_python_ok("-c", script) + # Issue 13454: Crash when deleting backward iterator from tee() def test_tee_del_backward(self): forward, backward = tee(repeat(None, 20000000)) |