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Heap type with Py_TPFLAGS_HAVE_GC leads to segfault due to not incrementing type object refcout in PyObject_GC_New #76503

@rkond

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@rkond
mannequin
BPO 32322
Nosy @rkond, @iritkatriel

Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.

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GitHub fields:

assignee = None
closed_at = <Date 2021-06-15.12:20:57.414>
created_at = <Date 2017-12-14.14:44:07.964>
labels = ['interpreter-core', '3.7', 'type-crash', 'docs']
title = 'Heap type with Py_TPFLAGS_HAVE_GC leads to segfault due to not incrementing type object refcout in PyObject_GC_New'
updated_at = <Date 2021-06-15.12:20:57.413>
user = 'https://github.com/rkond'

bugs.python.org fields:

activity = <Date 2021-06-15.12:20:57.413>
actor = 'iritkatriel'
assignee = 'docs@python'
closed = True
closed_date = <Date 2021-06-15.12:20:57.414>
closer = 'iritkatriel'
components = ['Documentation', 'Interpreter Core']
creation = <Date 2017-12-14.14:44:07.964>
creator = 'rkond'
dependencies = []
files = []
hgrepos = []
issue_num = 32322
keywords = []
message_count = 5.0
messages = ['308302', '395867', '395868', '395871', '395872']
nosy_count = 3.0
nosy_names = ['docs@python', 'rkond', 'iritkatriel']
pr_nums = []
priority = 'normal'
resolution = 'out of date'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'crash'
url = 'https://bugs.python.org/issue32322'
versions = ['Python 3.5', 'Python 3.6', 'Python 3.7']

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    3.7 (EOL)end of lifedocsDocumentation in the Doc dirinterpreter-core(Objects, Python, Grammar, and Parser dirs)type-crashA hard crash of the interpreter, possibly with a core dump
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