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PEP 590 method_vectorcall calls memcpy with NULL src #81319

@gpshead

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@gpshead
BPO 37138
Nosy @gpshead, @vstinner, @markshannon, @jdemeyer, @miss-islington
PRs
  • bpo-37138: fix undefined behaviour with memcpy() on NULL array #13867
  • [3.8] bpo-37138: fix undefined behaviour with memcpy() on NULL array (GH-13867) #13900
  • bpo-37233: optimize case totalargs == 0 in method_vectorcall #14550
  • 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 = 'https://github.com/markshannon'
    closed_at = <Date 2019-06-07.18:30:26.633>
    created_at = <Date 2019-06-03.04:16:10.536>
    labels = ['interpreter-core', 'type-bug', '3.8', '3.9']
    title = 'PEP 590 method_vectorcall calls memcpy with NULL src'
    updated_at = <Date 2019-07-02.10:39:31.612>
    user = 'https://github.com/gpshead'

    bugs.python.org fields:

    activity = <Date 2019-07-02.10:39:31.612>
    actor = 'jdemeyer'
    assignee = 'Mark.Shannon'
    closed = True
    closed_date = <Date 2019-06-07.18:30:26.633>
    closer = 'gregory.p.smith'
    components = ['Interpreter Core']
    creation = <Date 2019-06-03.04:16:10.536>
    creator = 'gregory.p.smith'
    dependencies = []
    files = []
    hgrepos = []
    issue_num = 37138
    keywords = ['patch']
    message_count = 5.0
    messages = ['344378', '344825', '344984', '344994', '344995']
    nosy_count = 5.0
    nosy_names = ['gregory.p.smith', 'vstinner', 'Mark.Shannon', 'jdemeyer', 'miss-islington']
    pr_nums = ['13867', '13900', '14550']
    priority = 'normal'
    resolution = 'fixed'
    stage = 'commit review'
    status = 'closed'
    superseder = None
    type = 'behavior'
    url = 'https://bugs.python.org/issue37138'
    versions = ['Python 3.8', 'Python 3.9']

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    3.8 (EOL)end of life3.9 (EOL)end of lifeinterpreter-core(Objects, Python, Grammar, and Parser dirs)type-bugAn unexpected behavior, bug, or error

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