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Pickle crashes unpickling invalid NEWOBJ_EX opcode #85460

Closed
@ImanSharafaldin

Description

@ImanSharafaldin
BPO 41288
Nosy @abalkin, @tiran, @ned-deily, @ambv, @serhiy-storchaka, @pganssle, @miss-islington
PRs
  • bpo-41288: Fix a crash in unpickling invalid NEWOBJ_EX. #21458
  • [3.9] bpo-41288: Fix a crash in unpickling invalid NEWOBJ_EX. (GH-21458) #21459
  • [3.8] bpo-41288: Fix a crash in unpickling invalid NEWOBJ_EX. (GH-21458) #21460
  • [3.7] bpo-41288: Fix a crash in unpickling invalid NEWOBJ_EX. (GH-21458) #21461
  • [3.6] bpo-41288: Fix a crash in unpickling invalid NEWOBJ_EX. (GH-21458) #21462
  • bpo-41288: Refactor of unpickling NEWOBJ and NEWOBJ_EX opcodes. #21472
  • 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/serhiy-storchaka'
    closed_at = <Date 2020-07-26.14:19:49.073>
    created_at = <Date 2020-07-12.21:36:09.137>
    labels = ['3.8', '3.9', '3.10', 'extension-modules', '3.7', 'type-crash']
    title = 'Pickle crashes unpickling invalid NEWOBJ_EX opcode'
    updated_at = <Date 2020-07-26.15:12:33.081>
    user = 'https://bugs.python.org/ImanSharafaldin'

    bugs.python.org fields:

    activity = <Date 2020-07-26.15:12:33.081>
    actor = 'Iman Sharafaldin'
    assignee = 'serhiy.storchaka'
    closed = True
    closed_date = <Date 2020-07-26.14:19:49.073>
    closer = 'serhiy.storchaka'
    components = ['Extension Modules']
    creation = <Date 2020-07-12.21:36:09.137>
    creator = 'Iman Sharafaldin'
    dependencies = []
    files = []
    hgrepos = []
    issue_num = 41288
    keywords = ['patch']
    message_count = 15.0
    messages = ['373573', '373575', '373599', '373600', '373603', '373604', '373605', '373616', '373617', '373886', '374022', '374086', '374311', '374314', '374320']
    nosy_count = 8.0
    nosy_names = ['belopolsky', 'christian.heimes', 'ned.deily', 'lukasz.langa', 'serhiy.storchaka', 'p-ganssle', 'miss-islington', 'Iman Sharafaldin']
    pr_nums = ['21458', '21459', '21460', '21461', '21462', '21472']
    priority = 'normal'
    resolution = 'fixed'
    stage = 'resolved'
    status = 'closed'
    superseder = None
    type = 'crash'
    url = 'https://bugs.python.org/issue41288'
    versions = ['Python 3.6', 'Python 3.7', 'Python 3.8', 'Python 3.9', 'Python 3.10']

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    3.10only security fixes3.7 (EOL)end of life3.8 (EOL)end of life3.9only security fixesextension-modulesC modules in the Modules dirtype-crashA hard crash of the interpreter, possibly with a core dump

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