[issue42923] Py_FatalError(): dump the list of extension modules

STINNER Victor added the comment: New changeset 3d55aa9e7365af76e40680271328deece27a7339 by Victor Stinner in branch 'master': bpo-42923: Fix _Py_DumpExtensionModules() for NULL sysdict (GH-25262) https://github.com/python/cpython/commit/3d55aa9e7365af76e40680271328deece27a7339 --

[issue42923] Py_FatalError(): dump the list of extension modules

Change by STINNER Victor : -- pull_requests: +23998 pull_request: https://github.com/python/cpython/pull/25262 ___ Python tracker ___

[issue42923] Py_FatalError(): dump the list of extension modules

STINNER Victor added the comment: See also bpo-42955 "Add sys.module_names: list of stdlib module names (Python and extension modules)". -- ___ Python tracker ___

[issue42923] Py_FatalError(): dump the list of extension modules

STINNER Victor added the comment: More "real world" example using cinder which imports 220 modules (ctypes is used to simulate a crash): --- $ ./python -m venv env $ env/bin/python -m pip install wheel $ env/bin/python -m pip install cinder $ env/bin/python -X dev -c 'import

[issue42923] Py_FatalError(): dump the list of extension modules

Change by STINNER Victor : -- resolution: -> fixed stage: patch review -> resolved status: open -> closed ___ Python tracker ___

[issue42923] Py_FatalError(): dump the list of extension modules

STINNER Victor added the comment: New changeset 66f77caca39ba39ebe1e4a95dba6d19b20d51951 by Victor Stinner in branch 'master': bpo-42923: _Py_DumpExtensionModules() ignores stdlib ext (GH-24254) https://github.com/python/cpython/commit/66f77caca39ba39ebe1e4a95dba6d19b20d51951 --

[issue42923] Py_FatalError(): dump the list of extension modules

Change by STINNER Victor : -- pull_requests: +23076 pull_request: https://github.com/python/cpython/pull/24238 ___ Python tracker ___

[issue42923] Py_FatalError(): dump the list of extension modules

Change by STINNER Victor : -- pull_requests: +23074 pull_request: https://github.com/python/cpython/pull/24254 ___ Python tracker ___

[issue42923] Py_FatalError(): dump the list of extension modules

STINNER Victor added the comment: I created https://bugs.python.org/issue42955 to add sys.modules_names tuple: names of stdlib modules. Once it will be merged, I will updated this PR to filter the list of modules (ignore stdlib modules). -- ___

[issue42923] Py_FatalError(): dump the list of extension modules

STINNER Victor added the comment: New changeset 250035d134ad482e724f73ce654682254b513ee0 by Victor Stinner in branch 'master': bpo-42923: Dump extension modules on fatal error (GH-24207) https://github.com/python/cpython/commit/250035d134ad482e724f73ce654682254b513ee0 --

[issue42923] Py_FatalError(): dump the list of extension modules

STINNER Victor added the comment: New changeset 314b8787e0c50985ba708034b84ff5b37a1d47de by Victor Stinner in branch 'master': bpo-42923: Py_FatalError() avoids fprintf() (GH-24242) https://github.com/python/cpython/commit/314b8787e0c50985ba708034b84ff5b37a1d47de --

[issue42923] Py_FatalError(): dump the list of extension modules

STINNER Victor added the comment: New changeset e232025025c8bd07c1d1b12a583a80c4a673f077 by Victor Stinner in branch 'master': bpo-42923: Add Py_FatalError() test in test_capi (GH-24240) https://github.com/python/cpython/commit/e232025025c8bd07c1d1b12a583a80c4a673f077 --

[issue42923] Py_FatalError(): dump the list of extension modules

Change by STINNER Victor : -- pull_requests: +23064 pull_request: https://github.com/python/cpython/pull/24242 ___ Python tracker ___

[issue42923] Py_FatalError(): dump the list of extension modules

Change by STINNER Victor : -- pull_requests: +23062 pull_request: https://github.com/python/cpython/pull/24240 ___ Python tracker ___

[issue42923] Py_FatalError(): dump the list of extension modules

STINNER Victor added the comment: Example of a Pillow crash in Python 3.10: https://mail.python.org/archives/list/python-...@python.org/message/5DCR2R6POCOHTPFUOY4F5G7GTBYX6OPO/ -- ___ Python tracker

[issue42923] Py_FatalError(): dump the list of extension modules

Change by Dong-hee Na : -- nosy: +corona10 ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe:

[issue42923] Py_FatalError(): dump the list of extension modules

STINNER Victor added the comment: > It's common that Python crashes are coming from third party extension > modules, rather than Python itself. Recent example: bpo-42891 crash (...) Another recent example: bpo-42879 "python: Objects/abstract.c:155: PyObject_GetItem: Assertion `(item !=

[issue42923] Py_FatalError(): dump the list of extension modules

STINNER Victor added the comment: Example using PR 24207, the new part the "Extension modules:" list at the end: --- $ ./python -X faulthandler Python 3.10.0a4+ (heads/master-dirty:2396614b89, Jan 13 2021, 12:09:15) >>> import ctypes >>> ctypes.string_at(0) Fatal Python error:

[issue42923] Py_FatalError(): dump the list of extension modules

Change by STINNER Victor : -- keywords: +patch pull_requests: +23034 stage: -> patch review pull_request: https://github.com/python/cpython/pull/24207 ___ Python tracker ___

[issue42923] Py_FatalError(): dump the list of extension modules

New submission from STINNER Victor : When Python cannot report an error and its is not possible to recover from the error, Py_FatalError() displays an error message and exit immediately Python. It's common that Python crashes are coming from third party extension modules, rather than Python