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cpython/Lib/test/test_capi
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Miss Islington (bot) 74a7f5d2da
[3.12] gh-109496: Detect Py_DECREF() after dealloc in debug mode (GH-109539) (#109545) 
gh-109496: Detect Py_DECREF() after dealloc in debug mode (GH-109539)

On a Python built in debug mode, Py_DECREF() now calls
_Py_NegativeRefcount() if the object is a dangling pointer to
deallocated memory: memory filled with 0xDD "dead byte" by the debug
hook on memory allocators. The fix is to check the reference count
*before* checking for _Py_IsImmortal().

Add test_decref_freed_object() to test_capi.test_misc.
(cherry picked from commit 0bb0d88e2d)

Co-authored-by: Victor Stinner <vstinner@python.org>
2023-09-18 17:39:27 +00:00
..
__init__.py
__main__.py
check_config.py [3.12] gh-104621: Check for Incompatible Extensions in import_find_extension() (gh-107184) (gh-107360) 2023-07-27 21:51:34 +00:00
test_abstract.py [3.12] gh-107178: Add the C API tests for the Abstract Objects Layer (GH-107179) (#107728) 2023-08-16 14:29:08 +02:00
test_codecs.py [3.12] gh-99593: Add tests for Unicode C API (part 3) (GH-104728) (GH-106595) 2023-07-10 20:58:58 +03:00
test_dict.py [3.12] gh-107178: Add the C API tests for the Abstract Objects Layer (GH-107179) (#107728) 2023-08-16 14:29:08 +02:00
test_eval_code_ex.py gh-101072: support default and kw default in PyEval_EvalCodeEx for 3.11+ (#101127) 2023-02-07 10:34:21 +01:00
test_exceptions.py [3.12] gh-107915: Handle errors in C API functions PyErr_Set*() and PyErr_Format() (GH-107918) (#108134) 2023-08-20 23:07:24 +02:00
test_getargs.py [3.12] gh-80527: Change support.requires_legacy_unicode_capi() (GH-108438) (#108446) 2023-08-25 18:18:24 +02:00
test_immortal.py gh-84436: Add integration C API tests for immortal objects (gh-103962) 2023-05-03 00:05:30 +09:00
test_long.py GH-101291: Add low level, unstable API for pylong (GH-101685) 2023-05-21 14:45:48 +01:00
test_mem.py gh-93649: Split tracemalloc tests from _testcapimodule.c (#99551) 2022-12-17 09:53:36 +01:00
test_misc.py [3.12] gh-109496: Detect Py_DECREF() after dealloc in debug mode (GH-109539) (#109545) 2023-09-18 17:39:27 +00:00
test_structmembers.py gh-47146: Soft-deprecate structmember.h, expose its contents via Python.h (GH-99014) 2022-11-22 08:25:43 +01:00
test_unicode.py gh-98836: Extend PyUnicode_FromFormat() (GH-98838) 2023-05-22 00:32:39 +03:00
test_watchers.py [3.12] gh-91051: fix type watcher test to be robust to existing watcher (GH-107989) (#108053) 2023-08-17 01:18:24 +02:00