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use-after-free in list object function #82791

@LCatro

Description

@LCatro
mannequin
BPO 38610
Nosy @serhiy-storchaka, @ZackerySpytz, @pablogsal, @miss-islington
PRs
  • bpo-38610: Fix possible crashes in several list methods #17022
  • [3.8] bpo-38610: Fix possible crashes in several list methods (GH-17022) #17758
  • [3.7] bpo-38610: Fix possible crashes in several list methods (GH-17022) #17759
  • [3.6] bpo-38610: Fix possible crashes in several list methods (GH-17022) #18207
  • 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 2019-12-30.19:58:43.028>
    created_at = <Date 2019-10-28.05:49:18.237>
    labels = ['interpreter-core', '3.7', '3.8', '3.9', 'type-crash']
    title = 'use-after-free in list object function'
    updated_at = <Date 2020-01-27.17:40:43.267>
    user = 'https://bugs.python.org/LCatro'

    bugs.python.org fields:

    activity = <Date 2020-01-27.17:40:43.267>
    actor = 'corona10'
    assignee = 'none'
    closed = True
    closed_date = <Date 2019-12-30.19:58:43.028>
    closer = 'pablogsal'
    components = ['Interpreter Core']
    creation = <Date 2019-10-28.05:49:18.237>
    creator = 'LCatro'
    dependencies = []
    files = []
    hgrepos = []
    issue_num = 38610
    keywords = ['patch']
    message_count = 5.0
    messages = ['355513', '355766', '359055', '359056', '359057']
    nosy_count = 5.0
    nosy_names = ['serhiy.storchaka', 'LCatro', 'ZackerySpytz', 'pablogsal', 'miss-islington']
    pr_nums = ['17022', '17758', '17759', '18207']
    priority = 'normal'
    resolution = 'fixed'
    stage = 'resolved'
    status = 'closed'
    superseder = None
    type = 'crash'
    url = 'https://bugs.python.org/issue38610'
    versions = ['Python 2.7', 'Python 3.6', 'Python 3.7', 'Python 3.8', 'Python 3.9']

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      3.7 (EOL)end of life3.8 (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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