Thread sanitizer (free-threading) tests fail: test_signal raises RecursionError#121065
Description
Bug report
0:02:53 load avg: 5.00 [ 9/22/1] test_signal failed (1 error) (1 min 1 sec) -- running (3): test_logging (2 min 13 sec), test_io (2 min 17 sec), test_queue (1 min 52 sec) test test_signal failed -- Traceback (most recent call last): File "/home/runner/work/cpython/cpython/Lib/test/test_signal.py", line 1384, in test_stress_modifying_handlers cycle_handlers() ~~~~~~~~~~~~~~^^ File "/home/runner/work/cpython/cpython/Lib/test/test_signal.py", line 1374, in cycle_handlers signal.signal(signum, handler) ~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^ File "/home/runner/work/cpython/cpython/Lib/signal.py", line 58, in signal handler = _signal.signal(_enum_to_int(signalnum), _enum_to_int(handler)) ~~~~~~~~~~~~^^^^^^^^^^^ File "/home/runner/work/cpython/cpython/Lib/signal.py", line 41, in _enum_to_int return int(value) File "/home/runner/work/cpython/cpython/Lib/test/test_signal.py", line 1359, in custom_handler def custom_handler(signum, frame): File "/home/runner/work/cpython/cpython/Lib/test/test_signal.py", line 1359, in custom_handler def custom_handler(signum, frame): File "/home/runner/work/cpython/cpython/Lib/test/test_signal.py", line 1359, in custom_handler def custom_handler(signum, frame): [Previous line repeated 237 more times] RecursionError: maximum recursion depth exceeded Link: https://github.com/python/cpython/actions/runs/9686054998/job/26727620578