René's URL Explorer Experiment


Title: [3.14] gh-143543: Fix re-entrant use-after-free in itertools.groupby (GH-143738) by miss-islington · Pull Request #144626 · python/cpython · GitHub

Open Graph Title: [3.14] gh-143543: Fix re-entrant use-after-free in itertools.groupby (GH-143738) by miss-islington · Pull Request #144626 · python/cpython

X Title: [3.14] gh-143543: Fix re-entrant use-after-free in itertools.groupby (GH-143738) by miss-islington · Pull Request #144626 · python/cpython

Description: (cherry picked from commit a91b5c3) Co-authored-by: VanshAgarwal24036 148854295+VanshAgarwal24036@users.noreply.github.com Co-authored-by: Sergey B Kirpichev skirpichev@gmail.com Co-authored-by: Petr Viktorin encukou@gmail.com Issue: gh-143543

Open Graph Description: (cherry picked from commit a91b5c3) Co-authored-by: VanshAgarwal24036 148854295+VanshAgarwal24036@users.noreply.github.com Co-authored-by: Sergey B Kirpichev skirpichev@gmail.com Co-authored-by: Pe...

X Description: (cherry picked from commit a91b5c3) Co-authored-by: VanshAgarwal24036 148854295+VanshAgarwal24036@users.noreply.github.com Co-authored-by: Sergey B Kirpichev skirpichev@gmail.com Co-authored-by: Pe...

Opengraph URL: https://github.com/python/cpython/pull/144626

X: @github

direct link

Domain: github.com

route-pattern/:user_id/:repository/pull/:id/files(.:format)
route-controllerpull_requests
route-actionfiles
fetch-noncev2:46f74c51-2f63-b786-6988-f2a6f66b93df
current-catalog-service-hashae870bc5e265a340912cde392f23dad3671a0a881730ffdadd82f2f57d81641b
request-idED8C:3EBC7C:60AB61:8C3D59:6A5788F6
html-safe-nonceedfd82446c181d0806aa671cffaacd0ad5a54380b3cc348ab5615649569a30d7
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiJFRDhDOjNFQkM3Qzo2MEFCNjE6OEMzRDU5OjZBNTc4OEY2IiwidmlzaXRvcl9pZCI6IjQzNTM0NTY3OTgwNzYyMDkzOTgiLCJyZWdpb25fZWRnZSI6ImlhZCIsInJlZ2lvbl9yZW5kZXIiOiJpYWQifQ==
visitor-hmac4fb50f4e7a710722182ec9cfc6d645507d1e137141eaa9cb6b0ed5c21ae0f767
hovercard-subject-tagpull_request:3263073258
github-keyboard-shortcutsrepository,pull-request-list,pull-request-conversation,pull-request-files-changed,copilot
google-site-verificationApib7-x98H0j5cPqHWwSMm6dNU4GmODRoqxLiDzdx9I
octolytics-urlhttps://collector.github.com/github/collect
analytics-location///pull_requests/show/files
fb:app_id1401488693436528
apple-itunes-appapp-id=1477376905, app-argument=https://github.com/python/cpython/pull/144626/files
twitter:imagehttps://avatars.githubusercontent.com/u/31488909?s=400&v=4
twitter:cardsummary_large_image
og:imagehttps://avatars.githubusercontent.com/u/31488909?s=400&v=4
og:image:alt(cherry picked from commit a91b5c3) Co-authored-by: VanshAgarwal24036 148854295+VanshAgarwal24036@users.noreply.github.com Co-authored-by: Sergey B Kirpichev skirpichev@gmail.com Co-authored-by: Pe...
og:site_nameGitHub
og:typeobject
hostnamegithub.com
expected-hostnamegithub.com
Nonec6353e56e94423c9cd5abde7708a859afa36a0c1203c73749055bf6ee6704cd0
turbo-cache-controlno-preview
diff-viewunified
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 full-width
disable-turbotrue
browser-stats-urlhttps://api.github.com/_private/browser/stats
browser-errors-urlhttps://api.github.com/_private/browser/errors
releasef59ab1c46b638204e2aea09126d089be5dc773b7
ui-targetfull
theme-color#1e2327
color-schemelight dark

Links:

Skip to contenthttps://github.com/python/cpython/pull/144626/files#start-of-content
https://github.com/
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F144626%2Ffiles
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%2F144626%2Ffiles
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%2Ffiles&source=header-repo&source_repo=python%2Fcpython
Reloadhttps://github.com/python/cpython/pull/144626/files
Reloadhttps://github.com/python/cpython/pull/144626/files
Reloadhttps://github.com/python/cpython/pull/144626/files
Please reload this pagehttps://github.com/python/cpython/pull/144626/files
python https://github.com/python
cpythonhttps://github.com/python/cpython
Please reload this pagehttps://github.com/python/cpython/pull/144626/files
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
Sign up for GitHub https://github.com/signup?return_to=%2Fpython%2Fcpython%2Fissues%2Fnew%2Fchoose
terms of servicehttps://docs.github.com/terms
privacy statementhttps://docs.github.com/privacy
Sign inhttps://github.com/login?return_to=%2Fpython%2Fcpython%2Fissues%2Fnew%2Fchoose
encukouhttps://github.com/encukou
python:3.14https://github.com/python/cpython/tree/3.14
miss-islington:backport-a91b5c3-3.14https://github.com/miss-islington/cpython/tree/backport-a91b5c3-3.14
Conversation 0 https://github.com/python/cpython/pull/144626
Commits 1 https://github.com/python/cpython/pull/144626/commits
Checks 46 https://github.com/python/cpython/pull/144626/checks
Files changed https://github.com/python/cpython/pull/144626/files
Please reload this pagehttps://github.com/python/cpython/pull/144626/files
[3.14] gh-143543: Fix re-entrant use-after-free in itertools.groupby (GH-143738) https://github.com/python/cpython/pull/144626/files#top
Show all changes 1 commit https://github.com/python/cpython/pull/144626/files
97ea525 gh-143543: Fix re-entrant use-after-free in itertools.groupby (GH-143… VanshAgarwal24036 Feb 9, 2026 https://github.com/python/cpython/pull/144626/commits/97ea525bf7abbced1d724e89659950e69b3d4ade
Clear filters https://github.com/python/cpython/pull/144626/files
Please reload this pagehttps://github.com/python/cpython/pull/144626/files
Please reload this pagehttps://github.com/python/cpython/pull/144626/files
test_itertools.py https://github.com/python/cpython/pull/144626/files#diff-9abbaeca99112e9e04b554726bff97b76030eb982f39e591be77be8ef14149e5
2026-01-13-10-38-43.gh-issue-143543.DeQRCO.rst https://github.com/python/cpython/pull/144626/files#diff-894465dd65fd1dfc5ce3c2ade39be59ffeabc0ec9871ca6cbc251270a7d689fa
itertoolsmodule.c https://github.com/python/cpython/pull/144626/files#diff-dc27cbdf2b9f6e5236cade13cf301d352a7abd2a8b1988f2517d6f5b7a30c201
https://github.com/python/cpython/blob/3.14/.github/CODEOWNERS#L245
Lib/test/test_itertools.pyhttps://github.com/python/cpython/pull/144626/files#diff-9abbaeca99112e9e04b554726bff97b76030eb982f39e591be77be8ef14149e5
View file https://github.com/miss-islington/cpython/blob/97ea525bf7abbced1d724e89659950e69b3d4ade/Lib/test/test_itertools.py
Open in desktop https://desktop.github.com
https://github.co/hiddenchars
https://github.com/python/cpython/pull/144626/{{ revealButtonHref }}
https://github.com/python/cpython/pull/144626/files#diff-9abbaeca99112e9e04b554726bff97b76030eb982f39e591be77be8ef14149e5
https://github.com/python/cpython/pull/144626/files#diff-9abbaeca99112e9e04b554726bff97b76030eb982f39e591be77be8ef14149e5
Misc/NEWS.d/next/Library/2026-01-13-10-38-43.gh-issue-143543.DeQRCO.rsthttps://github.com/python/cpython/pull/144626/files#diff-894465dd65fd1dfc5ce3c2ade39be59ffeabc0ec9871ca6cbc251270a7d689fa
View file https://github.com/miss-islington/cpython/blob/97ea525bf7abbced1d724e89659950e69b3d4ade/Misc/NEWS.d/next/Library/2026-01-13-10-38-43.gh-issue-143543.DeQRCO.rst
Open in desktop https://desktop.github.com
https://github.co/hiddenchars
https://github.com/python/cpython/pull/144626/{{ revealButtonHref }}
https://github.com/python/cpython/blob/3.14/.github/CODEOWNERS#L245
Modules/itertoolsmodule.chttps://github.com/python/cpython/pull/144626/files#diff-dc27cbdf2b9f6e5236cade13cf301d352a7abd2a8b1988f2517d6f5b7a30c201
View file https://github.com/miss-islington/cpython/blob/97ea525bf7abbced1d724e89659950e69b3d4ade/Modules/itertoolsmodule.c
Open in desktop https://desktop.github.com
https://github.co/hiddenchars
https://github.com/python/cpython/pull/144626/{{ revealButtonHref }}
https://github.com/python/cpython/pull/144626/files#diff-dc27cbdf2b9f6e5236cade13cf301d352a7abd2a8b1988f2517d6f5b7a30c201
https://github.com/python/cpython/pull/144626/files#diff-dc27cbdf2b9f6e5236cade13cf301d352a7abd2a8b1988f2517d6f5b7a30c201
Please reload this pagehttps://github.com/python/cpython/pull/144626/files
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.