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Signed integer overflow in _ctypes.c's PyCArrayType_new() #80685

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ZackerySpytz mannequin opened this issue Apr 2, 2019 · 4 comments
Closed

Signed integer overflow in _ctypes.c's PyCArrayType_new() #80685

ZackerySpytz mannequin opened this issue Apr 2, 2019 · 4 comments
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3.7 (EOL) end of life 3.8 only security fixes extension-modules C modules in the Modules dir topic-ctypes type-bug An unexpected behavior, bug, or error

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@ZackerySpytz
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ZackerySpytz mannequin commented Apr 2, 2019

BPO 36504
Nosy @amauryfa, @abalkin, @meadori, @serhiy-storchaka, @ZackerySpytz, @miss-islington
PRs
  • bpo-36504: Fix signed integer overflow in _ctypes.c's PyCArrayType_new() #12660
  • [3.7] bpo-36504: Fix signed integer overflow in _ctypes.c's PyCArrayType_new(). (GH-12660) #12676
  • [2.7] bpo-36504: Fix signed integer overflow in _ctypes.c's PyCArrayType_new(). (GH-12660) #12678
    		•

    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 2019-04-06.16:50:45.346>
created_at = <Date 2019-04-02.10:09:01.561>
labels = ['extension-modules', '3.8', 'ctypes', 'type-bug', '3.7']
title = "Signed integer overflow in _ctypes.c's PyCArrayType_new()"
updated_at = <Date 2019-04-06.16:50:45.345>
user = 'https://github.com/ZackerySpytz'

    bugs.python.org fields:

    activity = <Date 2019-04-06.16:50:45.345>
actor = 'serhiy.storchaka'
assignee = 'none'
closed = True
closed_date = <Date 2019-04-06.16:50:45.346>
closer = 'serhiy.storchaka'
components = ['Extension Modules', 'ctypes']
creation = <Date 2019-04-02.10:09:01.561>
creator = 'ZackerySpytz'
dependencies = []
files = []
hgrepos = []
issue_num = 36504
keywords = ['patch']
message_count = 4.0
messages = ['339326', '339327', '339407', '339415']
nosy_count = 6.0
nosy_names = ['amaury.forgeotdarc', 'belopolsky', 'meador.inge', 'serhiy.storchaka', 'ZackerySpytz', 'miss-islington']
pr_nums = ['12660', '12676', '12678']
priority = 'normal'
resolution = 'fixed'
stage = 'resolved'
status = 'closed'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue36504'
versions = ['Python 2.7', 'Python 3.7', 'Python 3.8']
    @ZackerySpytz
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    ZackerySpytz mannequin commented Apr 2, 2019

    Signed integer overflow can occur in the overflow check in PyCArrayType_new() if "itemsize" is large enough.

    @ZackerySpytz ZackerySpytz mannequin added 3.7 (EOL) end of life 3.8 only security fixes extension-modules C modules in the Modules dir topic-ctypes type-bug An unexpected behavior, bug, or error labels Apr 2, 2019
    @serhiy-storchaka
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    New changeset 487b73a by Serhiy Storchaka (Zackery Spytz) in branch 'master':
    bpo-36504: Fix signed integer overflow in _ctypes.c's PyCArrayType_new(). (GH-12660)
    487b73a

    @miss-islington
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    New changeset 9c08eeb by Miss Islington (bot) in branch '3.7':
    bpo-36504: Fix signed integer overflow in _ctypes.c's PyCArrayType_new(). (GH-12660)
    9c08eeb

    @serhiy-storchaka
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    New changeset fd83a82 by Serhiy Storchaka (Zackery Spytz) in branch '2.7':
    bpo-36504: Fix signed integer overflow in _ctypes.c's PyCArrayType_new(). (GH-12660) (GH-12678)
    fd83a82

    @ezio-melotti ezio-melotti transferred this issue from another repository Apr 10, 2022
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