python / python/cpython

readline.c: endless loop on SIGWINCH when loaded twice

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3.10 3.11 3.7 (EOL) 3.8 (EOL) 3.9 (EOL) extension-modules type-crash
Dominant language
Python
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Forks
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PR merge metrics
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Description

BPO 41033
Nosy @blueyed

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 2020-06-19.09:43:54.160>
labels = ['3.8', '3.9', '3.10', '3.11', 'extension-modules', '3.7', 'type-crash']
title = 'readline.c: endless loop on SIGWINCH when loaded twice'
updated_at = <Date 2021-12-17.16:28:49.989>
user = 'https://github.com/blueyed'

bugs.python.org fields:

activity = <Date 2021-12-17.16:28:49.989>
actor = 'blueyed'
assignee = 'none'
closed = False
closed_date = None
closer = None
components = ['Extension Modules']
creation = <Date 2020-06-19.09:43:54.160>
creator = 'blueyed'
dependencies = []
files = []
hgrepos = []
issue_num = 41033
keywords = []
message_count = 4.0
messages = ['371861', '373394', '408754', '408796']
nosy_count = 2.0
nosy_names = ['blueyed', 'dale']
pr_nums = []
priority = 'normal'
resolution = None
stage = None
status = 'open'
superseder = None
type = 'crash'
url = 'https://bugs.python.org/issue41033'
versions = ['Python 3.5', 'Python 3.6', 'Python 3.7', 'Python 3.8', 'Python 3.9', 'Python 3.10', 'Python 3.11']

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reading readline.c and reproducing the reported endless loop when readline is loaded twice and SIGWINCH is delivered. The issue is resolved when that scenario no longer loops; the payload names no test or additional entry point.

Written by the indexing model from the issue text.

Assessment

Tech stack
c, python
Domain
cli, operating-systems
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
30/100

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