GV

GeezerVison

The World Wide Web, restored to 800 pixels of glory.

Home|About|Gaming cabinet|Archives|How it works|Starter sites

On this site

  • Sign in
  • ActionsCI/CD and automation
  • CodespacesCloud development environments
  • All Features
  • Documentation
  • Training
  • Certifications
  • Build with Copilot
  • Customize Copilot
  • Integrations
  • Trending repos
  • GitHub Sponsors
  • Developer articles
  • Enterprises

This view

  • Original page
  • New address

GeezerVison is showing github.com — [3.15] gh-154275: Do not crash on deeply nested `__parameters__` in `GenericAlias` (GH-154277) by miss-islington · Pull Request #154306 · python/cpython

Conversation

@miss-islington

@miss-islington miss-islington commented Jul 20, 2026 •
edited by bedevere-app Bot
Loading

Uh oh!

There was an error while loading. Please reload this page.

Copy link
Copy Markdown
Contributor

(cherry picked from commit 1034e07)

Co-authored-by: sobolevn [email protected]

  • Issue: _Py_make_parameters recurses without a guard: a self-referential/deeply-nested generic-alias arg crashes the interpreter #154275

Sorry, something went wrong.

Uh oh!

There was an error while loading. Please reload this page.
All reactions
@sobolevn @miss-islington
pythongh-154275: Do not crash on deeply nested __parameters__ in `G…
4bb6fb2 
…enericAlias` (pythonGH-154277)

(cherry picked from commit 1034e07)

Co-authored-by: sobolevn <[email protected]>
@miss-islington
miss-islington requested review from AlexWaygood and JelleZijlstra as code owners July 20, 2026 22:11
This was referenced Jul 20, 2026
_Py_make_parameters recurses without a guard: a self-referential/deeply-nested generic-alias arg crashes the interpreter #154275
Closed
gh-154275: Do not crash on deeply nested __parameters__ in GenericAlias #154277
Merged
@bedevere-app bedevere-app Bot added the awaiting review label Jul 20, 2026
@sobolevn
sobolevn enabled auto-merge (squash) July 20, 2026 22:11
@sobolevn
sobolevn merged commit d1494f0 into python:3.15 Jul 20, 2026
55 checks passed

Uh oh!

There was an error while loading. Please reload this page.
@bedevere-app bedevere-app Bot removed the awaiting review label Jul 20, 2026
@miss-islington
miss-islington deleted the backport-1034e07-3.15 branch July 20, 2026 22:40
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Reviewers

@JelleZijlstra JelleZijlstra Awaiting requested review from JelleZijlstra JelleZijlstra is a code owner
@AlexWaygood AlexWaygood Awaiting requested review from AlexWaygood AlexWaygood is a code owner

Uh oh!

There was an error while loading. Please reload this page.

Assignees

No one assigned

Labels

None yet

Projects

None yet

Milestone

No milestone

Development

Successfully merging this pull request may close these issues.

Uh oh!

There was an error while loading. Please reload this page.

2 participants

@miss-islington @sobolevn
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
You are visitor 01402503 — GeezerVison does not store the pages you look up.
Best viewed with Netscape Navigator 4.7 or Internet Explorer 6 at 800×600. No cookies required.