test_racing_iter_extend (test.test_free_threading.test_list.TestList.test_racing_iter_extend) ... Fatal Python error: Segmentation faultThread 0x00007f062affe700 (most recent call first):  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/test/test_free_threading/test_list.py", line 47 in __init__  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/test/test_free_threading/test_list.py", line 56 in writer_func  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/threading.py", line 990 in run  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/threading.py", line 1039 in _bootstrap_inner  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/threading.py", line 1010 in _bootstrapThread 0x00007f063affe700 (most recent call first):  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/test/test_free_threading/test_list.py", line 63 in reader_func  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/threading.py", line 990 in run  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/threading.py", line 1039 in _bootstrap_inner  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/threading.py", line 1010 in _bootstrapThread 0x00007f063bfff700 (most recent call first):  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/test/test_free_threading/test_list.py", line 61 in reader_func  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/threading.py", line 990 in run  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/threading.py", line 1039 in _bootstrap_inner  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/threading.py", line 1010 in _bootstrapThread 0x00007f0649ffd700 (most recent call first):  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/test/test_free_threading/test_list.py", line 63 in reader_func  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/threading.py", line 990 in run  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/threading.py", line 1039 in _bootstrap_inner  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/threading.py", line 1010 in _bootstrapThread 0x00007f064affe700 (most recent call first):  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/test/test_free_threading/test_list.py", line 63 in reader_func  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/threading.py", line 990 in run  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/threading.py", line 1039 in _bootstrap_inner  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/threading.py", line 1010 in _bootstrap  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/threading.py", line 990 in run  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/threading.py", line 1039 in _bootstrap_inner  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/threading.py", line 1010 in _bootstrapThread 0x00007f0639ffd700 (most recent call first):  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/test/test_free_threading/test_list.py", line 62 in reader_func  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/threading.py", line 990 in run  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/threading.py", line 1039 in _bootstrap_inner  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/threading.py", line 1010 in _bootstrapThread 0x00007f062bfff700 (most recent call first):  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/test/test_free_threading/test_list.py", line 62 in reader_func  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/threading.py", line 990 in run  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/threading.py", line 1039 in _bootstrap_inner  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/threading.py", line 1010 in _bootstrapThread 0x00007f06cbf7c280 (most recent call first):  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/threading.py", line 1090 in join  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/test/test_free_threading/test_list.py", line 74 in test_racing_iter_extend  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/unittest/case.py", line 606 in _callTestMethod  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/unittest/case.py", line 651 in run  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/unittest/case.py", line 707 in __call__  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/unittest/suite.py", line [122](https://github.com/python/cpython/actions/runs/8942881107/job/24566423243#step:19:123) in run  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/unittest/suite.py", line 84 in __call__  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/unittest/suite.py", line 122 in run  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/unittest/suite.py", line 84 in __call__  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/unittest/suite.py", line 122 in run  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/unittest/suite.py", line 84 in __call__  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/unittest/suite.py", line 122 in run  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/unittest/suite.py", line 84 in __call__  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/unittest/runner.py", line 240 in run  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/test/libregrtest/single.py", line 57 in _run_suite  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/test/libregrtest/single.py", line 37 in run_unittest  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/test/libregrtest/single.py", line [132](https://github.com/python/cpython/actions/runs/8942881107/job/24566423243#step:19:133) in test_func  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/test/libregrtest/single.py", line 88 in regrtest_runner  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/test/libregrtest/single.py", line 135 in _load_run_test  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/test/libregrtest/single.py", line 178 in _runtest_env_changed_exc  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/test/libregrtest/single.py", line 278 in _runtest  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/test/libregrtest/single.py", line 309 in run_single_test  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/test/libregrtest/worker.py", line 77 in worker_process  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/test/libregrtest/worker.py", line 112 in main  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/test/libregrtest/worker.py", line 116 in <module>  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/runpy.py", line 88 in _run_code  File "/home/runner/work/cpython/cpython-ro-srcdir/Lib/runpy.py", line 198 in _run_module_as_main