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Unchecked return in Modules/posixmodule.c from multiple function calls #86202

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Unchecked return in Modules/posixmodule.c from multiple function calls#86202

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stdlibStandard Library Python modules in the Lib/ directoryStandard Library Python modules in the Lib/ directorytype-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error

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monocle-ai

mannequin

opened

on Oct 14, 2020

Issue body actions

BPO	42036
PRs	bpo-42036:Fixed unchecked return in Modules/posixmodule.c #22696

^{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 2020-10-14.15:21:10.723>
labels = ['type-feature', 'library']
title = 'Unchecked return in Modules/posixmodule.c from multiple function calls'
updated_at = <Date 2020-10-27.17:36:50.729>
user = 'https://bugs.python.org/monocle-ai'

bugs.python.org fields:

activity = <Date 2020-10-27.17:36:50.729>
actor = 'monocle-ai'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Library (Lib)']
creation = <Date 2020-10-14.15:21:10.723>
creator = 'monocle-ai'
dependencies = []
files = []
hgrepos = []
issue_num = 42036
keywords = ['patch']
message_count = 2.0
messages = ['378623', '379782']
nosy_count = 2.0
nosy_names = ['python-dev', 'monocle-ai']
pr_nums = ['22696']
priority = 'normal'
resolution = None
stage = 'patch review'
status = 'open'
superseder = None
type = 'enhancement'
url = 'https://bugs.python.org/issue42036'
versions = []

Activity

monocle-ai commented on Oct 14, 2020
monocle-aimannequin
on Oct 14, 2020
MannequinAuthor
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The return value of a function that is potentially used to initialize a local variable is not checked. Therefore, reading the local variable may result in undefined behavior.

Our AI analyzer flagged it to be a potential bug as it found another usage of the function in the codebase where the return value of the function was checked for success/failure before using it’s parameters.
monocle-ai
added
topic-C-API

type-featureA feature request or enhancementA feature request or enhancement

stdlibStandard Library Python modules in the Lib/ directoryStandard Library Python modules in the Lib/ directory
and removed
topic-C-API
on Oct 14, 2020
monocle-ai commented on Oct 27, 2020
monocle-aimannequin
on Oct 27, 2020
MannequinAuthor
More actions
Bumping this up for updates.
ezio-melotti
transferred this issue from on Apr 10, 2022
serhiy-storchaka
added this to OS issues 💻on Jul 3, 2026
github-project-automation
moved this to Todo in OS issues 💻on Jul 3, 2026
serhiy-storchaka
added
type-bugAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error
and removed
type-featureA feature request or enhancementA feature request or enhancement
on Jul 3, 2026