René's URL Explorer Experiment


Title: gh-146613: Fix re-entrant use-after-free in itertools._grouper by TheSkyC · Pull Request #147962 · python/cpython · GitHub

Open Graph Title: gh-146613: Fix re-entrant use-after-free in itertools._grouper by TheSkyC · Pull Request #147962 · python/cpython

X Title: gh-146613: Fix re-entrant use-after-free in itertools._grouper by TheSkyC · Pull Request #147962 · python/cpython

Description: The Python programming language. Contribute to python/cpython development by creating an account on GitHub.

Open Graph Description: Closes gh-146613 The same pattern was fixed in groupby.__next__ (gh-143543 / a91b5c3), but _grouper_next (the inner group iterator returned by groupby) was missed. A user-defined __eq__ can re-ente...

X Description: Closes gh-146613 The same pattern was fixed in groupby.__next__ (gh-143543 / a91b5c3), but _grouper_next (the inner group iterator returned by groupby) was missed. A user-defined __eq__ can re-ente...

Opengraph URL: https://github.com/python/cpython/pull/147962

X: @github

direct link

Domain: github.com

route-pattern/:user_id/:repository/pull/:id/checks(.:format)
route-controllerpull_requests
route-actionchecks
fetch-noncev2:cc6f5dd4-a390-985b-365c-6a66892faf29
current-catalog-service-hash87dc3bc62d9b466312751bfd5f889726f4f1337bdff4e8be7da7c93d6c00a25a
request-idCEE6:3F4EDD:1CF356:257030:6A56C407
html-safe-nonce44d1bffc18ebeef49eaef7327d9b0822ab1a59c16343bf379e42383c9b08d5c6
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiJDRUU2OjNGNEVERDoxQ0YzNTY6MjU3MDMwOjZBNTZDNDA3IiwidmlzaXRvcl9pZCI6IjEwNDU3Mzg0MzcxNTA2ODgyNjMiLCJyZWdpb25fZWRnZSI6ImlhZCIsInJlZ2lvbl9yZW5kZXIiOiJpYWQifQ==
visitor-hmaca1c32fe2a2091aa6a17a94f7ef3d9b8d0a4e1d55602d151cf96711b5dda7fc77
hovercard-subject-tagpull_request:3476606953
github-keyboard-shortcutsrepository,pull-request-list,pull-request-conversation,pull-request-files-changed,checks,copilot
google-site-verificationApib7-x98H0j5cPqHWwSMm6dNU4GmODRoqxLiDzdx9I
octolytics-urlhttps://collector.github.com/github/collect
analytics-location///pull_requests/show/checks
fb:app_id1401488693436528
apple-itunes-appapp-id=1477376905, app-argument=https://github.com/python/cpython/pull/147962/checks
twitter:imagehttps://opengraph.githubassets.com/cc228c6cfbacf03150065a27ab7af803532cb938b657840c42dc35dad4e76e5f/python/cpython/pull/147962
twitter:cardsummary_large_image
og:imagehttps://opengraph.githubassets.com/cc228c6cfbacf03150065a27ab7af803532cb938b657840c42dc35dad4e76e5f/python/cpython/pull/147962
og:image:altCloses gh-146613 The same pattern was fixed in groupby.__next__ (gh-143543 / a91b5c3), but _grouper_next (the inner group iterator returned by groupby) was missed. A user-defined __eq__ can re-ente...
og:image:width1200
og:image:height600
og:site_nameGitHub
og:typeobject
og:author:usernameTheSkyC
hostnamegithub.com
expected-hostnamegithub.com
Nonedf99b7164e1d961b639cf5d3cbd6b5ba673edc67bd7e47cdc4746b96099e11ae
turbo-cache-controlno-cache
go-importgithub.com/python/cpython git https://github.com/python/cpython.git
octolytics-dimension-user_id1525981
octolytics-dimension-user_loginpython
octolytics-dimension-repository_id81598961
octolytics-dimension-repository_nwopython/cpython
octolytics-dimension-repository_publictrue
octolytics-dimension-repository_is_forkfalse
octolytics-dimension-repository_network_root_id81598961
octolytics-dimension-repository_network_root_nwopython/cpython
turbo-body-classeslogged-out env-production page-responsive
disable-turbofalse
browser-stats-urlhttps://api.github.com/_private/browser/stats
browser-errors-urlhttps://api.github.com/_private/browser/errors
release829f7fb08f3c7a059361601ffe917f622508969c
ui-targetfull
theme-color#1e2327
color-schemelight dark

Links:

Skip to contenthttps://github.com/python/cpython/pull/147962/checks#start-of-content
https://github.com/
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F147962%2Fchecks
GitHub CopilotWrite better code with AIhttps://github.com/features/copilot
GitHub Copilot appDirect agents from issue to mergehttps://github.com/features/ai/github-app
MCP RegistryNewIntegrate external toolshttps://github.com/mcp
ActionsAutomate any workflowhttps://github.com/features/actions
CodespacesInstant dev environmentshttps://github.com/features/codespaces
IssuesPlan and track workhttps://github.com/features/issues
Code ReviewManage code changeshttps://github.com/features/code-review
GitHub Advanced SecurityFind and fix vulnerabilitieshttps://github.com/security/advanced-security
Code securitySecure your code as you buildhttps://github.com/security/advanced-security/code-security
Secret protectionStop leaks before they starthttps://github.com/security/advanced-security/secret-protection
Why GitHubhttps://github.com/why-github
Documentationhttps://docs.github.com
Bloghttps://github.blog
Changeloghttps://github.blog/changelog
Marketplacehttps://github.com/marketplace
View all featureshttps://github.com/features
Enterpriseshttps://github.com/enterprise
Small and medium teamshttps://github.com/team
Startupshttps://github.com/enterprise/startups
Nonprofitshttps://github.com/solutions/industry/nonprofits
App Modernizationhttps://github.com/solutions/use-case/app-modernization
DevSecOpshttps://github.com/solutions/use-case/devsecops
DevOpshttps://github.com/solutions/use-case/devops
CI/CDhttps://github.com/solutions/use-case/ci-cd
View all use caseshttps://github.com/solutions/use-case
Healthcarehttps://github.com/solutions/industry/healthcare
Financial serviceshttps://github.com/solutions/industry/financial-services
Manufacturinghttps://github.com/solutions/industry/manufacturing
Governmenthttps://github.com/solutions/industry/government
View all industrieshttps://github.com/solutions/industry
View all solutionshttps://github.com/solutions
AIhttps://github.com/resources/articles?topic=ai
Software Developmenthttps://github.com/resources/articles?topic=software-development
DevOpshttps://github.com/resources/articles?topic=devops
Securityhttps://github.com/resources/articles?topic=security
View all topicshttps://github.com/resources/articles
Customer storieshttps://github.com/customer-stories
Events & webinarshttps://github.com/resources/events
Ebooks & reportshttps://github.com/resources/whitepapers
Business insightshttps://github.com/solutions/executive-insights
GitHub Skillshttps://skills.github.com
Documentationhttps://docs.github.com
Customer supporthttps://support.github.com
Community forumhttps://github.com/orgs/community/discussions
Trust centerhttps://github.com/trust-center
Partnershttps://github.com/partners
View all resourceshttps://github.com/resources
GitHub SponsorsFund open source developershttps://github.com/open-source/sponsors
Security Labhttps://securitylab.github.com
Maintainer Communityhttps://maintainers.github.com
Acceleratorhttps://github.com/open-source/accelerator
GitHub Starshttps://stars.github.com
Archive Programhttps://archiveprogram.github.com
Topicshttps://github.com/topics
Trendinghttps://github.com/trending
Collectionshttps://github.com/collections
Enterprise platformAI-powered developer platformhttps://github.com/enterprise
GitHub Advanced SecurityEnterprise-grade security featureshttps://github.com/security/advanced-security
Copilot for BusinessEnterprise-grade AI featureshttps://github.com/features/copilot/copilot-business
Premium SupportEnterprise-grade 24/7 supporthttps://github.com/enterprise/premium-support
Pricinghttps://github.com/pricing
Search syntax tipshttps://docs.github.com/search-github/github-code-search/understanding-github-code-search-syntax
documentationhttps://docs.github.com/search-github/github-code-search/understanding-github-code-search-syntax
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F147962%2Fchecks
Sign up https://github.com/signup?ref_cta=Sign+up&ref_loc=header+logged+out&ref_page=%2F%3Cuser-name%3E%2F%3Crepo-name%3E%2Fpull_requests%2Fshow%2Fchecks&source=header-repo&source_repo=python%2Fcpython
Reloadhttps://github.com/python/cpython/pull/147962/checks
Reloadhttps://github.com/python/cpython/pull/147962/checks
Reloadhttps://github.com/python/cpython/pull/147962/checks
Please reload this pagehttps://github.com/python/cpython/pull/147962/checks
python https://github.com/python
cpythonhttps://github.com/python/cpython
Please reload this pagehttps://github.com/python/cpython/pull/147962/checks
Notifications https://github.com/login?return_to=%2Fpython%2Fcpython
Fork 35k https://github.com/login?return_to=%2Fpython%2Fcpython
Star 73.8k https://github.com/login?return_to=%2Fpython%2Fcpython
Code https://github.com/python/cpython
Issues 5k+ https://github.com/python/cpython/issues
Pull requests 2.3k https://github.com/python/cpython/pulls
Actions https://github.com/python/cpython/actions
Projects https://github.com/python/cpython/projects
Security and quality 0 https://github.com/python/cpython/security
Insights https://github.com/python/cpython/pulse
Code https://github.com/python/cpython
Issues https://github.com/python/cpython/issues
Pull requests https://github.com/python/cpython/pulls
Actions https://github.com/python/cpython/actions
Projects https://github.com/python/cpython/projects
Security and quality https://github.com/python/cpython/security
Insights https://github.com/python/cpython/pulse
kumaraditya303https://github.com/kumaraditya303
python:mainhttps://github.com/python/cpython/tree/main
TheSkyC:gh-146613-itertools-uafhttps://github.com/TheSkyC/cpython/tree/gh-146613-itertools-uaf
Conversationhttps://github.com/python/cpython/pull/147962
Commits8 (8)https://github.com/python/cpython/pull/147962/commits
Checkshttps://github.com/python/cpython/pull/147962/checks
Files changedhttps://github.com/python/cpython/pull/147962/files
gh-146613: Fix re-entrant use-after-free in itertools._grouperhttps://github.com/python/cpython/pull/147962/checks#top
kumaraditya303https://github.com/kumaraditya303
python:mainhttps://github.com/python/cpython/tree/main
TheSkyC:gh-146613-itertools-uafhttps://github.com/TheSkyC/cpython/tree/gh-146613-itertools-uaf
Please reload this pagehttps://github.com/python/cpython/pull/147962/checks
Sign in for the full log viewhttps://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F147962%2Fchecks
Check labels on: pull_request https://github.com/python/cpython/actions/runs/23853822424
DO-NOT-MERGE https://github.com/python/cpython/actions/runs/23853822424/job/69541089617?pr=147962
Unresolved review https://github.com/python/cpython/actions/runs/23853822424/job/69541089696?pr=147962
Tests on: pull_request https://github.com/python/cpython/actions/runs/23853822545
Change detection / Create context from changed files https://github.com/python/cpython/actions/runs/23853822545/job/69541090412?pr=147962
Docs / Docs https://github.com/python/cpython/actions/runs/23853822545/job/69541136890?pr=147962
Docs / Doctest https://github.com/python/cpython/actions/runs/23853822545/job/69541136858?pr=147962
Docs / Check EPUB https://github.com/python/cpython/actions/runs/23853822545/job/69541136789?pr=147962
Docs / Check for removed HTML IDs / Check for removed HTML IDs https://github.com/python/cpython/actions/runs/23853822545/job/69541491261?pr=147962
Check if Autoconf files are up to date https://github.com/python/cpython/actions/runs/23853822545/job/69541135628?pr=147962
Check if generated files are up to date https://github.com/python/cpython/actions/runs/23853822545/job/69541135661?pr=147962
C API Docs / Check if all C APIs are documented https://github.com/python/cpython/actions/runs/23853822545/job/69541136009?pr=147962
Windows / Build and test (x64, switch-case) https://github.com/python/cpython/actions/runs/23853822545/job/69541136467?pr=147962
Windows (free-threading) / Build and test (x64, switch-case) https://github.com/python/cpython/actions/runs/23853822545/job/69541136469?pr=147962
Windows / Build and test (Win32, switch-case) https://github.com/python/cpython/actions/runs/23853822545/job/69541136514?pr=147962
Windows / Build and test (arm64, switch-case) https://github.com/python/cpython/actions/runs/23853822545/job/69541136506?pr=147962
Windows (free-threading) / Build and test (arm64, switch-case) https://github.com/python/cpython/actions/runs/23853822545/job/69541136499?pr=147962
Windows / Build and test (x64, tail-call) https://github.com/python/cpython/actions/runs/23853822545/job/69541136526?pr=147962
Windows (free-threading) / Build and test (x64, tail-call) https://github.com/python/cpython/actions/runs/23853822545/job/69541136592?pr=147962
Windows MSI${{ '' }} https://github.com/python/cpython/actions/runs/23853822545/job/69541136058?pr=147962
macOS / build and test (macos-26) https://github.com/python/cpython/actions/runs/23853822545/job/69541136615?pr=147962
macOS (free-threading) / build and test (macos-26) https://github.com/python/cpython/actions/runs/23853822545/job/69541136716?pr=147962
macOS / build and test (macos-26-intel) https://github.com/python/cpython/actions/runs/23853822545/job/69541136703?pr=147962
Ubuntu / build and test (ubuntu-24.04) https://github.com/python/cpython/actions/runs/23853822545/job/69541136588?pr=147962
Ubuntu / build and test (ubuntu-24.04-arm) https://github.com/python/cpython/actions/runs/23853822545/job/69541136684?pr=147962
Ubuntu (free-threading) / build and test (ubuntu-24.04) https://github.com/python/cpython/actions/runs/23853822545/job/69541136572?pr=147962
Ubuntu (free-threading) / build and test (ubuntu-24.04-arm) https://github.com/python/cpython/actions/runs/23853822545/job/69541136556?pr=147962
Ubuntu (bolt) / build and test (ubuntu-24.04) https://github.com/python/cpython/actions/runs/23853822545/job/69541136601?pr=147962
Ubuntu SSL tests (ubuntu-24.04, openssl, 1.1.1w) https://github.com/python/cpython/actions/runs/23853822545/job/69541135802?pr=147962
Ubuntu SSL tests (ubuntu-24.04, openssl, 3.0.19) https://github.com/python/cpython/actions/runs/23853822545/job/69541135759?pr=147962
Ubuntu SSL tests (ubuntu-24.04, openssl, 3.3.6) https://github.com/python/cpython/actions/runs/23853822545/job/69541135806?pr=147962
Ubuntu SSL tests (ubuntu-24.04, openssl, 3.4.4) https://github.com/python/cpython/actions/runs/23853822545/job/69541135838?pr=147962
Ubuntu SSL tests (ubuntu-24.04, openssl, 3.5.5) https://github.com/python/cpython/actions/runs/23853822545/job/69541135854?pr=147962
Ubuntu SSL tests (ubuntu-24.04, openssl, 3.6.1) https://github.com/python/cpython/actions/runs/23853822545/job/69541135789?pr=147962
Ubuntu SSL tests (ubuntu-24.04, aws-lc, 1.68.0) https://github.com/python/cpython/actions/runs/23853822545/job/69541135921?pr=147962
Android (aarch64) https://github.com/python/cpython/actions/runs/23853822545/job/69541135923?pr=147962
Android (x86_64) https://github.com/python/cpython/actions/runs/23853822545/job/69541135748?pr=147962
iOS https://github.com/python/cpython/actions/runs/23853822545/job/69541135899?pr=147962
Emscripten / build and test https://github.com/python/cpython/actions/runs/23853822545/job/69541136380?pr=147962
WASI / build and test https://github.com/python/cpython/actions/runs/23853822545/job/69541136465?pr=147962
Hypothesis tests on Ubuntu https://github.com/python/cpython/actions/runs/23853822545/job/69541135965?pr=147962
Address sanitizer (ubuntu-24.04) https://github.com/python/cpython/actions/runs/23853822545/job/69541136035?pr=147962
Sanitizers / TSan https://github.com/python/cpython/actions/runs/23853822545/job/69541136720?pr=147962
Sanitizers / TSan (free-threading) https://github.com/python/cpython/actions/runs/23853822545/job/69541136816?pr=147962
Sanitizers / UBSan https://github.com/python/cpython/actions/runs/23853822545/job/69541136792?pr=147962
Cross build Linux https://github.com/python/cpython/actions/runs/23853822545/job/69541135814?pr=147962
CIFuzz / cpython3 (address) https://github.com/python/cpython/actions/runs/23853822545/job/69541136735?pr=147962
CIFuzz / cpython3 (undefined) https://github.com/python/cpython/actions/runs/23853822545/job/69541136737?pr=147962
CIFuzz / cpython3 (memory) https://github.com/python/cpython/actions/runs/23853822545/job/69541136806?pr=147962
All required checks pass https://github.com/python/cpython/actions/runs/23853822545/job/69545504247?pr=147962
Lint on: pull_request https://github.com/python/cpython/actions/runs/23853822558
lint https://github.com/python/cpython/actions/runs/23853822558/job/69541089739?pr=147962
ClusterFuzzLite/CIFuzz https://github.com/python/cpython/pull/147962/checks?check_run_id=69544321712
Check labels on: pull_request https://github.com/python/cpython/actions/runs/23903092010
DO-NOT-MERGE https://github.com/python/cpython/actions/runs/23903092010/job/69704585179?pr=147962
Unresolved review https://github.com/python/cpython/actions/runs/23903092010/job/69704585147?pr=147962
Check labels on: pull_request https://github.com/python/cpython/actions/runs/23903099886
DO-NOT-MERGE https://github.com/python/cpython/actions/runs/23903099886/job/69704611494?pr=147962
Unresolved review https://github.com/python/cpython/actions/runs/23903099886/job/69704611511?pr=147962
Check labels on: pull_request https://github.com/python/cpython/actions/runs/23903102666
DO-NOT-MERGE https://github.com/python/cpython/actions/runs/23903102666/job/69704620377?pr=147962
Unresolved review https://github.com/python/cpython/actions/runs/23903102666/job/69704620354?pr=147962
https://github.com
Termshttps://docs.github.com/site-policy/github-terms/github-terms-of-service
Privacyhttps://docs.github.com/site-policy/privacy-policies/github-privacy-statement
Securityhttps://github.com/security
Statushttps://www.githubstatus.com/
Communityhttps://github.community/
Docshttps://docs.github.com/
Contacthttps://support.github.com?tags=dotcom-footer

Viewport: width=device-width

URLs of crawlers that visited me.