python / python/cpython

zipfile library will raise uncaught oserror when reading length incorrect zip file

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3.10 stdlib type-bug
主要语言
Python
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描述

BPO 46931
Files
  • damaged.zip: use notepad to open and deleted some contents of the zip file
  • 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 2022-03-05.17:37:33.918>
    labels = ['type-bug', 'library', '3.10']
    title = 'zipfile library will raise uncaught oserror when reading length incorrect zip file'
    updated_at = <Date 2022-03-05.17:37:33.918>
    user = 'https://bugs.python.org/ultimalium'
    

    bugs.python.org fields:

    activity = <Date 2022-03-05.17:37:33.918>
    actor = 'ultimalium'
    assignee = 'none'
    closed = False
    closed_date = None
    closer = None
    components = ['Library (Lib)']
    creation = <Date 2022-03-05.17:37:33.918>
    creator = 'ultimalium'
    dependencies = []
    files = ['50658']
    hgrepos = []
    issue_num = 46931
    keywords = []
    message_count = 1.0
    messages = ['414590']
    nosy_count = 1.0
    nosy_names = ['ultimalium']
    pr_nums = []
    priority = 'normal'
    resolution = None
    stage = None
    status = 'open'
    superseder = None
    type = 'behavior'
    url = 'https://bugs.python.org/issue46931'
    versions = ['Python 3.10']
    

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    3. Fork 仓库,在一个分支上完成修改。
    4. 提交 Pull Request,并在描述里引用这个 Issue 编号。

    调研方向

    首先使用 Python 的 zipfile 库通过 damaged.zip 重现失败,并检查读取格式错误的归档时在哪一处引发了未捕获的 OSError。完成的标准是损坏的归档能够在没有未捕获 OSError 的情况下得到处理,并通过回归检查确认预期的失败行为。

    由索引模型根据 Issue 内容生成。

    评估

    技术栈
    python
    领域
    backend
    Issue 类型
    缺陷
    难度
    3/5
    预计耗时
    1-2 天
    活跃度
    冷清
    描述清晰度
    需要澄清
    新手友好度
    45/100

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