python / python/cpython

PyStructSequence_New() doesn't validate its input type (crashes in os.wait3() and os.wait4() in case of a bad resource.struct_rusage)

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還沒有人認領這個 Issue。

3.10 3.11 3.9 (EOL) extension-modules type-crash
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Python
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描述

BPO 31573
Nosy @vstinner, @serhiy-storchaka, @orenmn, @iritkatriel
PRs
  • python/cpython#3750
  • 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 = None
    created_at = <Date 2017-09-25.10:29:33.947>
    labels = ['extension-modules', '3.10', '3.9', 'type-crash', '3.11']
    title = "PyStructSequence_New() doesn't validate its input type (crashes in os.wait3() and os.wait4() in case of a bad resource.struct_rusage)"
    updated_at = <Date 2021-10-18.23:14:00.500>
    user = 'https://github.com/orenmn'
    

    bugs.python.org fields:

    activity = <Date 2021-10-18.23:14:00.500>
    actor = 'iritkatriel'
    assignee = 'none'
    closed = False
    closed_date = None
    closer = None
    components = ['Extension Modules']
    creation = <Date 2017-09-25.10:29:33.947>
    creator = 'Oren Milman'
    dependencies = []
    files = []
    hgrepos = []
    issue_num = 31573
    keywords = ['patch']
    message_count = 3.0
    messages = ['302945', '302958', '404243']
    nosy_count = 4.0
    nosy_names = ['vstinner', 'serhiy.storchaka', 'Oren Milman', 'iritkatriel']
    pr_nums = ['3750']
    priority = 'normal'
    resolution = None
    stage = 'patch review'
    status = 'open'
    superseder = None
    type = 'crash'
    url = 'https://bugs.python.org/issue31573'
    versions = ['Python 3.9', 'Python 3.10', 'Python 3.11']
    

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    4. 送出 Pull Request,並在描述裡引用這個 Issue 編號。

    研究方向

    先定位 PyStructSequence_New() 以及 os.wait3() 和 os.wait4() 的進入點,然後檢視現有的脈絡和 PR #3750。完成的標準是,格式錯誤的 resource.struct_rusage 不再導致這些呼叫當機,且該行為由適當的回歸測試涵蓋。

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    評估

    技術堆疊
    python
    領域
    operating-systems
    Issue 類型
    缺陷
    難度
    4/5
    預估耗時
    3-5 天
    活躍度
    停滯
    描述清晰度
    需要釐清
    新手友好度
    25/100

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