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cpython/Objects
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Sam Gross 1bfb58cf2f
[3.12] gh-122527: Fix a crash on deallocation of PyStructSequence (GH-122577) (#122626) 
The `PyStructSequence` destructor would crash if it was deallocated after
its type's dictionary was cleared by the GC, because it couldn't compute
the "real size" of the instance. This could occur with relatively
straightforward code in the free-threaded build or with a reference
cycle involving the type in the default build, due to differing orders
in which `tp_clear()` was called.

Account for the non-sequence fields in `tp_basicsize` and use that,
along with `Py_SIZE()`, to compute the "real" size of a
`PyStructSequence` in the dealloc function. This avoids the accesses to
the type's dictionary during dealloc, which were unsafe.
(cherry picked from commit 4b63cd170e)
2024-09-06 15:46:56 +02:00
..
clinic [3.12] gh-121905: Consistently use "floating-point" instead of "floating point" (GH-121907) (GH-122013) 2024-07-19 09:08:33 +00:00
stringlib gh-99537: Use Py_SETREF() function in C code (#99657) 2022-11-22 13:39:11 +01:00
abstract.c GH-101291: Rearrange the size bits in PyLongObject (GH-102464) 2023-03-22 14:49:51 +00:00
boolobject.c [3.12] gh-122982: Extend the deprecation period for bool inversion by two years (GH-123306) (#123317) 2024-08-25 19:40:11 +00:00
bytearrayobject.c [3.12] gh-112625: Protect bytearray from being freed by misbehaving iterator inside bytearray.join (GH-112626) (GH-112693) 2023-12-04 08:46:40 +00:00
bytes_methods.c gh-84436: Implement Immortal Objects (gh-19474) 2023-04-22 13:39:37 -06:00
bytesobject.c [3.12] gh-105235: Prevent reading outside buffer during mmap.find() (GH-105252) (#106708) 2023-07-14 22:15:14 -04:00
call.c GH-103899: Provide a hint when accidentally calling a module (GH-103900) 2023-05-04 15:07:42 -07:00
capsule.c gh-99537: Use Py_SETREF() function in C code (#99657) 2022-11-22 13:39:11 +01:00
cellobject.c gh-99300: Use Py_NewRef() in Objects/ directory (#99332) 2022-11-10 16:27:32 +01:00
classobject.c [3.12] GH-106895: Raise a ValueError when attempting to disable events that cannot be disabled. (GH-107337) (GH-107351) 2023-07-28 10:53:33 +01:00
codeobject.c [3.12] GH-109052: Use the base opcode when comparing code objects (GH-112329) 2023-11-23 10:18:17 -08:00
complexobject.c [3.12] gh-109218: Improve documentation for the complex() constructor (GH-119687) (ПР-119805) 2024-05-30 20:52:44 +00:00
descrobject.c [3.12] bpo-24766: doc= argument to subclasses of property not handled correctly (GH-2487) (GH-120312) 2024-06-10 10:32:45 +00:00
dictnotes.txt bpo-46845: Reduce dict size when all keys are Unicode (GH-31564) 2022-03-02 08:09:28 +09:00
dictobject.c [3.12] gh-122208: Don't delivery PyDict_EVENT_ADDED until it can't fail (#122327) 2024-07-30 09:13:40 -07:00
enumobject.c gh-99300: Use Py_NewRef() in Objects/ directory (#99335) 2022-11-10 22:22:02 +01:00
exception_handling_notes.txt gh-96455: update example in exception_handling_notes.txt to the 3.11RC bytecode (GH-96456) 2022-09-01 14:21:39 +01:00
exceptions.c [3.12] gh-121905: Consistently use "floating-point" instead of "floating point" (GH-121907) (GH-122013) 2024-07-19 09:08:33 +00:00
fileobject.c gh-99537: Use Py_SETREF(var, NULL) in C code (#99687) 2022-11-23 14:57:50 +01:00
floatobject.c [3.12] gh-121905: Consistently use "floating-point" instead of "floating point" (GH-121907) (GH-122013) 2024-07-19 09:08:33 +00:00
frame_layout.md GH-96421: Insert shim frame on entry to interpreter (GH-96319) 2022-11-10 12:34:57 +00:00
frameobject.c [3.12] GH-94438: Restore ability to jump over None tests (GH-111243) 2023-10-24 06:39:26 +00:00
funcobject.c [3.12] gh-106033: Get rid of PyDict_GetItem in _PyFunction_FromConstructor (GH-106044) (GH-106228) 2023-06-29 13:45:39 +03:00
genericaliasobject.c [3.12] gh-121660: Fix ga_getitem by explicitly checking for NULL result (GH-121661) (#121762) 2024-07-14 11:37:00 +00:00
genobject.c [3.12] gh-119897: Revert buggy optimization which was removed in 3.13 (#120467) 2024-06-18 10:45:40 +01:00
interpreteridobject.c [3.12] gh-101524: Only Use Public C-API in the _xxsubinterpreters Module (gh-105258) (gh-107303) 2023-07-27 13:15:47 -06:00
iterobject.c gh-101892: Fix SystemError when a callable iterator call exhausts the iterator (#101896) 2023-03-04 19:51:29 +05:30
listobject.c [3.12] gh-120384: Fix array-out-of-bounds crash in list_ass_subscript (GH-120442) (#120825) 2024-06-21 11:08:22 +00:00
listsort.txt Fix typos in the Objects directory (GH-28766) 2021-10-06 16:57:10 -07:00
lnotab_notes.txt [3.12] Document the co_lines method on code objects (#113682) (#113686) 2024-01-03 20:09:15 +00:00
locations.md GH-88116: Use a compact format to represent end line and column offsets. (GH-91666) 2022-04-21 16:10:37 +01:00
longobject.c [3.12] gh-121905: Consistently use "floating-point" instead of "floating point" (GH-121907) (GH-122013) 2024-07-19 09:08:33 +00:00
memoryobject.c [3.12] gh-120155: Fix copy/paste error in HAVE_SUBOFFSETS_IN_LAST_DIM() (GH-120228) (#120240) 2024-06-07 16:26:03 +00:00
methodobject.c gh-99300: Use Py_NewRef() in Objects/ directory (#99354) 2022-11-10 23:58:07 +01:00
moduleobject.c [3.12] gh-106719: Fix __annotations__ getter and setter in the type and module types (GH-106720) (GH-106848) 2023-07-18 10:01:22 +03:00
namespaceobject.c gh-99300: Replace Py_INCREF() with Py_NewRef() (#99530) 2022-11-16 18:34:24 +01:00
object.c [3.12] gh-112125: Fix None.__ne__(None) returning NotImplemented instead of … (#112827) 2023-12-07 13:41:00 +00:00
object_layout.md [3.12] gh-106293: Fix typos in Objects/object_layout.md (GH-106294) (#114158) 2024-01-16 23:35:20 +00:00
object_layout_312.gv GH-96068: Document object layout (GH-96069) 2022-08-23 13:55:43 +01:00
object_layout_312.png GH-96068: Document object layout (GH-96069) 2022-08-23 13:55:43 +01:00
object_layout_full_312.gv GH-96068: Document object layout (GH-96069) 2022-08-23 13:55:43 +01:00
object_layout_full_312.png GH-96068: Document object layout (GH-96069) 2022-08-23 13:55:43 +01:00
obmalloc.c [3.12] gh-100227: Lock Around Modification of the Global Allocators State (gh-105516) (gh-105532) 2023-06-08 22:35:53 +00:00
odictobject.c gh-102192: Replace PyErr_Fetch/Restore etc by more efficient alternatives (in Objects/) (#102218) 2023-03-08 17:03:18 +00:00
picklebufobject.c gh-91118: Fix docstrings that do not honor --without-doc-strings (#31769) 2022-04-17 20:39:32 -07:00
rangeobject.c GH-101291: Rearrange the size bits in PyLongObject (GH-102464) 2023-03-22 14:49:51 +00:00
README
setobject.c [3.12] gh-113560: Improve docstrings for set.issubset() and set.issuperset() (GH-113562) (GH-114644) 2024-01-27 11:29:26 +00:00
sliceobject.c gh-84436: Implement Immortal Objects (gh-19474) 2023-04-22 13:39:37 -06:00
structseq.c [3.12] gh-122527: Fix a crash on deallocation of PyStructSequence (GH-122577) (#122626) 2024-09-06 15:46:56 +02:00
tupleobject.c [3.12] GH-121439: Allow PyTupleObjects with an ob_size of 20 in the free_list to be reused (gh-121428) (#121566) 2024-07-10 08:06:41 +00:00
typeobject.c [3.12] gh-117482: Fix the Slot Wrapper Inheritance Tests (gh-122250) 2024-07-29 10:25:17 -06:00
typeslots.inc
typeslots.py
typevarobject.c [3.12] gh-110782: Fix crash when TypeVar is constructed with keyword args (GH-110784) (#110787) 2023-10-12 23:24:37 +00:00
unicodectype.c bpo-46670: Remove unused macros in the Objects directory (GH-31193) 2022-02-07 16:21:41 +01:00
unicodeobject.c [3.12] gh-113964: Don't prevent new threads until all non-daemon threads exit (GH-116677) (#117029) 2024-03-19 15:22:42 -04:00
unicodetype_db.h bpo-47243: Duplicate entry in 'Objects/unicodetype_db.h' (GH-32376) 2022-09-28 06:57:14 -07:00
unionobject.c gh-104549: Set __module__ on TypeAliasType (#104550) 2023-05-18 15:56:15 -07:00
weakrefobject.c gh-94673: Properly Initialize and Finalize Static Builtin Types for Each Interpreter (gh-104072) 2023-05-01 19:36:00 -06:00

README 

Source files for various builtin objects