https://github.com/python/cpython/commit/b53f6ca850b500621474e82931c3e7216d9a1cb1 commit: b53f6ca850b500621474e82931c3e7216d9a1cb1 branch: main author: Stan Ulbrych <[email protected]> committer: encukou <[email protected]> date: 2026-05-28T10:13:14+02:00 summary:
Add prominent crash warning to `ctypes` docs (GH-150410) Co-authored-by: Petr Viktorin <[email protected]> files: M Doc/library/ctypes.rst diff --git a/Doc/library/ctypes.rst b/Doc/library/ctypes.rst index 4330be922013f3..c5d24660fd8fe2 100644 --- a/Doc/library/ctypes.rst +++ b/Doc/library/ctypes.rst @@ -14,6 +14,14 @@ used to wrap these libraries in pure Python. .. include:: ../includes/optional-module.rst +.. warning:: + + :mod:`!ctypes` provides low-level access to native libraries and the + process's memory, bypassing Python's safety mechanisms and allowing + execution of arbitrary native code. + Incorrect use can corrupt data and objects, reveal sensitive information, + cause crashes, or otherwise compromise the running process. + .. _ctypes-ctypes-tutorial: @@ -198,10 +206,8 @@ argument values:: OSError: exception: access violation reading 0x00000020 >>> -There are, however, enough ways to crash Python with :mod:`!ctypes`, so you -should be careful anyway. The :mod:`faulthandler` module can be helpful in -debugging crashes (e.g. from segmentation faults produced by erroneous C library -calls). +The :mod:`faulthandler` module can help debug crashes, +such as segmentation faults produced by erroneous C library calls. ``None``, integers, bytes objects and (unicode) strings are the only native Python objects that can directly be used as parameters in these function calls. _______________________________________________ Python-checkins mailing list -- [email protected] To unsubscribe send an email to [email protected] https://mail.python.org/mailman3//lists/python-checkins.python.org Member address: [email protected]
