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PY3.8 GC segfault (Py_TRASHCAN_SAFE_BEGIN/END are not backwards compatible) #84788

@iritkatriel

Description

@iritkatriel
BPO 40608
Nosy @pitrou, @ambv, @jdemeyer, @pablogsal, @iritkatriel
PRs
  • bpo-40608: restore protection against double-deallocate issue for subclasses of classes that use trashcan #20103
  • bpo-40608: restore protection against double-deallocate issue for subclasses of classes that use trashcan #20104
  • 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 2021-08-27.12:16:36.304>
    created_at = <Date 2020-05-12.18:07:29.247>
    labels = ['interpreter-core', '3.10', '3.8', '3.9', 'type-crash']
    title = 'PY3.8 GC segfault  (Py_TRASHCAN_SAFE_BEGIN/END are not backwards compatible)'
    updated_at = <Date 2021-08-27.12:16:36.304>
    user = 'https://github.com/iritkatriel'

    bugs.python.org fields:

    activity = <Date 2021-08-27.12:16:36.304>
    actor = 'iritkatriel'
    assignee = 'none'
    closed = True
    closed_date = <Date 2021-08-27.12:16:36.304>
    closer = 'iritkatriel'
    components = ['Interpreter Core']
    creation = <Date 2020-05-12.18:07:29.247>
    creator = 'iritkatriel'
    dependencies = []
    files = []
    hgrepos = []
    issue_num = 40608
    keywords = ['patch']
    message_count = 10.0
    messages = ['368740', '368742', '377414', '377427', '377431', '377438', '391870', '399683', '399685', '400420']
    nosy_count = 5.0
    nosy_names = ['pitrou', 'lukasz.langa', 'jdemeyer', 'pablogsal', 'iritkatriel']
    pr_nums = ['20103', '20104']
    priority = 'normal'
    resolution = 'wont fix'
    stage = 'resolved'
    status = 'closed'
    superseder = None
    type = 'crash'
    url = 'https://bugs.python.org/issue40608'
    versions = ['Python 3.8', 'Python 3.9', 'Python 3.10']

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      3.10only security fixes3.8 (EOL)end of life3.9 (EOL)end of lifeinterpreter-core(Objects, Python, Grammar, and Parser dirs)type-crashA hard crash of the interpreter, possibly with a core dump

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