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Crash due to borrowed references in _PyStack_UnpackDict() #81088

@jdemeyer

Description

@jdemeyer
BPO 36907
Nosy @vstinner, @encukou, @jdemeyer
PRs
  • bpo-36904: new function _PyStack_DictAsVector #13308
  • bpo-36907: fix refcount bug in _PyStack_UnpackDict() #13381
  • [3.7] bpo-36907: fix refcount bug in _PyStack_UnpackDict() (GH-13381) #13493
  • 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 2019-05-22.12:52:41.853>
    created_at = <Date 2019-05-13.19:40:03.967>
    labels = ['interpreter-core', '3.7', '3.8', 'type-crash']
    title = 'Crash due to borrowed references in _PyStack_UnpackDict()'
    updated_at = <Date 2019-05-22.12:52:41.852>
    user = 'https://github.com/jdemeyer'

    bugs.python.org fields:

    activity = <Date 2019-05-22.12:52:41.852>
    actor = 'petr.viktorin'
    assignee = 'none'
    closed = True
    closed_date = <Date 2019-05-22.12:52:41.853>
    closer = 'petr.viktorin'
    components = ['Interpreter Core']
    creation = <Date 2019-05-13.19:40:03.967>
    creator = 'jdemeyer'
    dependencies = []
    files = []
    hgrepos = []
    issue_num = 36907
    keywords = ['patch']
    message_count = 9.0
    messages = ['342377', '342380', '342381', '343174', '343176', '343179', '343180', '343185', '343190']
    nosy_count = 3.0
    nosy_names = ['vstinner', 'petr.viktorin', 'jdemeyer']
    pr_nums = ['13308', '13381', '13493']
    priority = 'normal'
    resolution = 'fixed'
    stage = 'resolved'
    status = 'closed'
    superseder = None
    type = 'crash'
    url = 'https://bugs.python.org/issue36907'
    versions = ['Python 3.7', 'Python 3.8']

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      3.7 (EOL)end of life3.8 (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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