New submission from Xinmeng Xia <xi...@smail.nju.edu.cn>:
This piece of code is originally from https://github.com/python/cpython/tree/main/Lib/test/test_weakref.py. In function test_proxy_iter(), we change the original data dependency and then this generated test case (see the following "test.py") crashes Python. Crashing Python version: 3.6-master(3.11.0a0) test.py ========================= import weakref def test_proxy_iter(): obj = None class MyObj: def __iter__(a): nonlocal obj del obj - return NotImplemented + return p obj = MyObj() - p = weakref.proxy(obj) + p = weakref.proxy(TypeError) - 'blech' in p + 'blech' in obj test_proxy_iter() =========================== system: ubuntu 16.04 crash: segmentation fault ---------- components: Interpreter Core files: test.py messages: 398029 nosy: xxm priority: normal severity: normal status: open title: Finding string in iteratively deleted object cause segfault type: crash versions: Python 3.10, Python 3.11, Python 3.6, Python 3.7, Python 3.8, Python 3.9 Added file: https://bugs.python.org/file50171/test.py _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue44720> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
