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Segfault in command line processing due to buffer over-read #77887

@cgohlke

Description

@cgohlke
mannequin
BPO 33706
Nosy @vstinner, @miss-islington
PRs
  • bpo-33706: Fix pymain_parse_cmdline_impl() #7283
  • [3.7] bpo-33706: Fix pymain_parse_cmdline_impl() (GH-7283) #7284
  • Files
  • master...cgohlke patch-1.diff
  • 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 2018-05-31.14:14:27.497>
    created_at = <Date 2018-05-31.06:31:10.545>
    labels = ['interpreter-core', '3.7', '3.8', 'type-crash']
    title = 'Segfault in command line processing due to buffer over-read'
    updated_at = <Date 2018-05-31.14:14:27.495>
    user = 'https://bugs.python.org/cgohlke'

    bugs.python.org fields:

    activity = <Date 2018-05-31.14:14:27.495>
    actor = 'vstinner'
    assignee = 'none'
    closed = True
    closed_date = <Date 2018-05-31.14:14:27.497>
    closer = 'vstinner'
    components = ['Interpreter Core']
    creation = <Date 2018-05-31.06:31:10.545>
    creator = 'cgohlke'
    dependencies = []
    files = ['47628']
    hgrepos = []
    issue_num = 33706
    keywords = ['patch']
    message_count = 4.0
    messages = ['318260', '318302', '318310', '318315']
    nosy_count = 3.0
    nosy_names = ['vstinner', 'cgohlke', 'miss-islington']
    pr_nums = ['7283', '7284']
    priority = 'critical'
    resolution = 'fixed'
    stage = 'resolved'
    status = 'closed'
    superseder = None
    type = 'crash'
    url = 'https://bugs.python.org/issue33706'
    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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