[issue38814] Python3.7.5 crashes on OSX with my django project

[László Károlyi]

László Károlyi <laszlo at karolyi.hu> added the comment:

So after making the changes, recompiling everything and using `python -X faulthandler backend/manage.py runserver --nothreading --noasgi --noreload` to start django without the autoreloader that hides the crashed process' output, here's what I get:

  File "/usr/local/Cellar/python/3.7.5/Frameworks/Python.framework/Versions/3.7/lib/python3.7/ctypes/__init__.py", line 364 in __init__
  File "/Users/laszlokarolyi/Work/project/venv/lib/python3.7/site-packages/asn1crypto/_perf/_big_num_ctypes.py", line 39 in <module>
  File "<frozen importlib._bootstrap>", line 219 in _call_with_frames_removed
  File "<frozen importlib._bootstrap_external>", line 728 in exec_module
  File "<frozen importlib._bootstrap>", line 677 in _load_unlocked
  File "<frozen importlib._bootstrap>", line 967 in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 983 in _find_and_load
  File "/Users/laszlokarolyi/Work/project/venv/lib/python3.7/site-packages/asn1crypto/_int.py", line 56 in <module>
  File "<frozen importlib._bootstrap>", line 219 in _call_with_frames_removed
  File "<frozen importlib._bootstrap_external>", line 728 in exec_module
  File "<frozen importlib._bootstrap>", line 677 in _load_unlocked
  File "<frozen importlib._bootstrap>", line 967 in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 983 in _find_and_load
  File "/Users/laszlokarolyi/Work/project/venv/lib/python3.7/site-packages/asn1crypto/_elliptic_curve.py", line 51 in <module>
  File "<frozen importlib._bootstrap>", line 219 in _call_with_frames_removed
  File "<frozen importlib._bootstrap_external>", line 728 in exec_module
  File "<frozen importlib._bootstrap>", line 677 in _load_unlocked
  File "<frozen importlib._bootstrap>", line 967 in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 983 in _find_and_load
  File "/Users/laszlokarolyi/Work/project/venv/lib/python3.7/site-packages/asn1crypto/keys.py", line 22 in <module>
  File "<frozen importlib._bootstrap>", line 219 in _call_with_frames_removed
  File "<frozen importlib._bootstrap_external>", line 728 in exec_module
  File "<frozen importlib._bootstrap>", line 677 in _load_unlocked
  File "<frozen importlib._bootstrap>", line 967 in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 983 in _find_and_load
  File "/Users/laszlokarolyi/Work/project/venv/lib/python3.7/site-packages/cryptography/x509/extensions.py", line 14 in <module>
  File "<frozen importlib._bootstrap>", line 219 in _call_with_frames_removed
  File "<frozen importlib._bootstrap_external>", line 728 in exec_module
  File "<frozen importlib._bootstrap>", line 677 in _load_unlocked
  File "<frozen importlib._bootstrap>", line 967 in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 983 in _find_and_load
  File "/Users/laszlokarolyi/Work/project/venv/lib/python3.7/site-packages/cryptography/x509/base.py", line 16 in <module>
  File "<frozen importlib._bootstrap>", line 219 in _call_with_frames_removed
  File "<frozen importlib._bootstrap_external>", line 728 in exec_module
  File "<frozen importlib._bootstrap>", line 677 in _load_unlocked
  File "<frozen importlib._bootstrap>", line 967 in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 983 in _find_and_load
  File "/Users/laszlokarolyi/Work/project/venv/lib/python3.7/site-packages/cryptography/x509/__init__.py", line 8 in <module>
  File "<frozen importlib._bootstrap>", line 219 in _call_with_frames_removed
  File "<frozen importlib._bootstrap_external>", line 728 in exec_module
  File "<frozen importlib._bootstrap>", line 677 in _load_unlocked
  File "<frozen importlib._bootstrap>", line 967 in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 983 in _find_and_load
  File "<frozen importlib._bootstrap>", line 219 in _call_with_frames_removed
  File "<frozen importlib._bootstrap>", line 1035 in _handle_fromlist
  File "/Users/laszlokarolyi/Work/project/venv/lib/python3.7/site-packages/cryptography/hazmat/backends/openssl/backend.py", line 18 in <module>
  File "<frozen importlib._bootstrap>", line 219 in _call_with_frames_removed
  File "<frozen importlib._bootstrap_external>", line 728 in exec_module
  File "<frozen importlib._bootstrap>", line 677 in _load_unlocked
  File "<frozen importlib._bootstrap>", line 967 in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 983 in _find_and_load
  File "/Users/laszlokarolyi/Work/project/venv/lib/python3.7/site-packages/cryptography/hazmat/backends/openssl/__init__.py", line 7 in <module>
  File "<frozen importlib._bootstrap>", line 219 in _call_with_frames_removed
  File "<frozen importlib._bootstrap_external>", line 728 in exec_module
  File "<frozen importlib._bootstrap>", line 677 in _load_unlocked
  File "<frozen importlib._bootstrap>", line 967 in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 983 in _find_and_load
  File "<frozen importlib._bootstrap>", line 219 in _call_with_frames_removed
  File "<frozen importlib._bootstrap>", line 953 in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 983 in _find_and_load
  File "/Users/laszlokarolyi/Work/project/venv/lib/python3.7/site-packages/cryptography/hazmat/backends/__init__.py", line 15 in default_backend
  File "/Users/laszlokarolyi/Work/project/backend/ticketshop/printing/api/v1/qz_signer.py", line 19 in <module>
  File "<frozen importlib._bootstrap>", line 219 in _call_with_frames_removed
  File "<frozen importlib._bootstrap_external>", line 728 in exec_module
  File "<frozen importlib._bootstrap>", line 677 in _load_unlocked
  File "<frozen importlib._bootstrap>", line 967 in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 983 in _find_and_load
  File "/Users/laszlokarolyi/Work/project/backend/ticketshop/printing/api/urls.py", line 4 in <module>
  File "<frozen importlib._bootstrap>", line 219 in _call_with_frames_removed
  File "<frozen importlib._bootstrap_external>", line 728 in exec_module
  File "<frozen importlib._bootstrap>", line 677 in _load_unlocked
  File "<frozen importlib._bootstrap>", line 967 in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 983 in _find_and_load
  File "/Users/laszlokarolyi/Work/project/backend/ticketshop/urls_api.py", line 11 in <module>
  File "<frozen importlib._bootstrap>", line 219 in _call_with_frames_removed
  File "<frozen importlib._bootstrap_external>", line 728 in exec_module
  File "<frozen importlib._bootstrap>", line 677 in _load_unlocked
  File "<frozen importlib._bootstrap>", line 967 in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 983 in _find_and_load
  File "/Users/laszlokarolyi/Work/project/backend/ticketshop/urls.py", line 9 in <module>
  File "<frozen importlib._bootstrap>", line 219 in _call_with_frames_removed
  File "<frozen importlib._bootstrap_external>", line 728 in exec_module
  File "<frozen importlib._bootstrap>", line 677 in _load_unlocked
  File "<frozen importlib._bootstrap>", line 967 in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 983 in _find_and_load
  File "<frozen importlib._bootstrap>", line 1006 in _gcd_import
  File "/usr/local/Cellar/python/3.7.5/Frameworks/Python.framework/Versions/3.7/lib/python3.7/importlib/__init__.py", line 127 in import_module
  File "/Users/laszlokarolyi/Work/project/venv/lib/python3.7/site-packages/django/urls/resolvers.py", line 400 in urlconf_module
  File "/Users/laszlokarolyi/Work/project/venv/lib/python3.7/site-packages/django/utils/functional.py", line 35 in __get__
  File "/Users/laszlokarolyi/Work/project/venv/lib/python3.7/site-packages/django/urls/resolvers.py", line 407 in url_patterns
  File "/Users/laszlokarolyi/Work/project/venv/lib/python3.7/site-packages/django/utils/functional.py", line 35 in __get__
  File "/Users/laszlokarolyi/Work/project/venv/lib/python3.7/site-packages/django/urls/resolvers.py", line 256 in check
  File "/Users/laszlokarolyi/Work/project/venv/lib/python3.7/site-packages/django/core/checks/urls.py", line 26 in check_resolver
  File "/Users/laszlokarolyi/Work/project/venv/lib/python3.7/site-packages/django/core/checks/urls.py", line 16 in check_url_config
  File "/Users/laszlokarolyi/Work/project/venv/lib/python3.7/site-packages/django/core/checks/registry.py", line 81 in run_checks
  File "/Users/laszlokarolyi/Work/project/venv/lib/python3.7/site-packages/django/core/management/base.py", line 346 in _run_checks
  File "/Users/laszlokarolyi/Work/project/venv/lib/python3.7/site-packages/django/core/management/base.py", line 359 in check
  File "/Users/laszlokarolyi/Work/project/venv/lib/python3.7/site-packages/django/core/management/commands/runserver.py", line 124 in inner_run
  File "/Users/laszlokarolyi/Work/project/venv/lib/python3.7/site-packages/channels/management/commands/runserver.py", line 66 in inner_run
  File "/Users/laszlokarolyi/Work/project/venv/lib/python3.7/site-packages/django/core/management/commands/runserver.py", line 111 in run
  ...
fish: 'python -X faulthandler backend/…' terminated by signal SIGABRT (Abort)

Not sure what this is, but it seems something's happening in ctypes.

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue38814>
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