René's URL Explorer Experiment


Title: gh-152375: Fix UB in `INSTRUMENTED_JUMP` by StanFromIreland · Pull Request #152376 · python/cpython · GitHub

Open Graph Title: gh-152375: Fix UB in `INSTRUMENTED_JUMP` by StanFromIreland · Pull Request #152376 · python/cpython

X Title: gh-152375: Fix UB in `INSTRUMENTED_JUMP` by StanFromIreland · Pull Request #152376 · python/cpython

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

Open Graph Description: I didn't add a test, I think it's too messy here, but I don't feel strongly about it. It is also already covered (non-deterministically) by test_monitoring, as that's what triggered...

X Description: I didn't add a test, I think it's too messy here, but I don't feel strongly about it. It is also already covered (non-deterministically) by test_monitoring, as that'...

Opengraph URL: https://github.com/python/cpython/pull/152376

X: @github

direct link

Domain: github.com

route-pattern/:user_id/:repository/pull/:id/checks(.:format)
route-controllerpull_requests
route-actionchecks
fetch-noncev2:d2900c8c-d45d-964e-b7b9-064dc98c559c
current-catalog-service-hash87dc3bc62d9b466312751bfd5f889726f4f1337bdff4e8be7da7c93d6c00a25a
request-idB0A6:B2127:4DAF6A:69243D:6A5279FE
html-safe-nonce8315c455b357b0bbf29ec48dc4f06714afe7c4744b7057e6654b4ad17780114b
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiJCMEE2OkIyMTI3OjREQUY2QTo2OTI0M0Q6NkE1Mjc5RkUiLCJ2aXNpdG9yX2lkIjoiNTk5MjUxMTE3MjU4MjIxMDA0NiIsInJlZ2lvbl9lZGdlIjoiaWFkIiwicmVnaW9uX3JlbmRlciI6ImlhZCJ9
visitor-hmacd277589883c4ddf516a8c750a249d4eec259c4cad1408524c3ce92cecaabd184
hovercard-subject-tagpull_request:3947068745
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/152376/checks
twitter:imagehttps://opengraph.githubassets.com/fd9108b4eaa4002b53187ec3f136c30d9cc785fea665bd9eb3054559a5bd9bde/python/cpython/pull/152376
twitter:cardsummary_large_image
og:imagehttps://opengraph.githubassets.com/fd9108b4eaa4002b53187ec3f136c30d9cc785fea665bd9eb3054559a5bd9bde/python/cpython/pull/152376
og:image:altI didn't add a test, I think it's too messy here, but I don't feel strongly about it. It is also already covered (non-deterministically) by test_monitoring, as that's what triggered...
og:image:width1200
og:image:height600
og:site_nameGitHub
og:typeobject
og:author:usernameStanFromIreland
hostnamegithub.com
expected-hostnamegithub.com
Noneb9a586c06a05a7a86fc7e3f4dbd03e42f6869085879aa184aa6369456dbd50fb
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
release07a982c1d40157c619b364352b704c3ce66bb332
ui-targetfull
theme-color#1e2327
color-schemelight dark

Links:

Skip to contenthttps://github.com/python/cpython/pull/152376/checks#start-of-content
https://github.com/
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F152376%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%2F152376%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/152376/checks
Reloadhttps://github.com/python/cpython/pull/152376/checks
Reloadhttps://github.com/python/cpython/pull/152376/checks
Please reload this pagehttps://github.com/python/cpython/pull/152376/checks
python https://github.com/python
cpythonhttps://github.com/python/cpython
Please reload this pagehttps://github.com/python/cpython/pull/152376/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
StanFromIrelandhttps://github.com/StanFromIreland
python:mainhttps://github.com/python/cpython/tree/main
StanFromIreland:INSTRUMENTED_JUMP-ubhttps://github.com/StanFromIreland/cpython/tree/INSTRUMENTED_JUMP-ub
Conversationhttps://github.com/python/cpython/pull/152376
Commits2 (2)https://github.com/python/cpython/pull/152376/commits
Checkshttps://github.com/python/cpython/pull/152376/checks
Files changedhttps://github.com/python/cpython/pull/152376/files
gh-152375: Fix UB in INSTRUMENTED_JUMPhttps://github.com/python/cpython/pull/152376/checks#top
StanFromIrelandhttps://github.com/StanFromIreland
python:mainhttps://github.com/python/cpython/tree/main
StanFromIreland:INSTRUMENTED_JUMP-ubhttps://github.com/StanFromIreland/cpython/tree/INSTRUMENTED_JUMP-ub
Please reload this pagehttps://github.com/python/cpython/pull/152376/checks
Sign in for the full log viewhttps://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F152376%2Fchecks
Tail calling interpreter on: pull_request https://github.com/python/cpython/actions/runs/28287596711
x86_64-apple-darwin/clang https://github.com/python/cpython/actions/runs/28287596711/job/83814155533?pr=152376
aarch64-apple-darwin/clang https://github.com/python/cpython/actions/runs/28287596711/job/83814155553?pr=152376
x86_64-unknown-linux-gnu/gcc https://github.com/python/cpython/actions/runs/28287596711/job/83814155532?pr=152376
x86_64-unknown-linux-gnu/gcc-free-threading https://github.com/python/cpython/actions/runs/28287596711/job/83814155540?pr=152376
aarch64-unknown-linux-gnu/gcc https://github.com/python/cpython/actions/runs/28287596711/job/83814155560?pr=152376
Check labels on: pull_request https://github.com/python/cpython/actions/runs/28287596724
DO-NOT-MERGE https://github.com/python/cpython/actions/runs/28287596724/job/83814155351?pr=152376
Unresolved review https://github.com/python/cpython/actions/runs/28287596724/job/83814155336?pr=152376
Lint on: pull_request https://github.com/python/cpython/actions/runs/28287596742
lint https://github.com/python/cpython/actions/runs/28287596742/job/83814155499?pr=152376
Tests on: pull_request https://github.com/python/cpython/actions/runs/28287596814
Change detection / Create context from changed files https://github.com/python/cpython/actions/runs/28287596814/job/83814155749?pr=152376
Docs / Docs https://github.com/python/cpython/actions/runs/28287596814/job/83814166304?pr=152376
Docs / Doctest https://github.com/python/cpython/actions/runs/28287596814/job/83814166343?pr=152376
Docs / Check EPUB https://github.com/python/cpython/actions/runs/28287596814/job/83814166327?pr=152376
Docs / Check for removed HTML IDs / Check for removed HTML IDs https://github.com/python/cpython/actions/runs/28287596814/job/83814283407?pr=152376
Check if Autoconf files are up to date https://github.com/python/cpython/actions/runs/28287596814/job/83814166065?pr=152376
Check if generated files are up to date https://github.com/python/cpython/actions/runs/28287596814/job/83814166079?pr=152376
C API Docs / Check if all C APIs are documented https://github.com/python/cpython/actions/runs/28287596814/job/83814166186?pr=152376
Windows / Build and test (x64, switch-case) https://github.com/python/cpython/actions/runs/28287596814/job/83814166220?pr=152376
Windows (free-threading) / Build and test (x64, switch-case) https://github.com/python/cpython/actions/runs/28287596814/job/83814166205?pr=152376
Windows / Build and test (Win32, switch-case) https://github.com/python/cpython/actions/runs/28287596814/job/83814166207?pr=152376
Windows / Build and test (arm64, switch-case) https://github.com/python/cpython/actions/runs/28287596814/job/83814166208?pr=152376
Windows (free-threading) / Build and test (arm64, switch-case) https://github.com/python/cpython/actions/runs/28287596814/job/83814166256?pr=152376
Windows / Build and test (x64, tail-call) https://github.com/python/cpython/actions/runs/28287596814/job/83814166271?pr=152376
Windows (free-threading) / Build and test (x64, tail-call) https://github.com/python/cpython/actions/runs/28287596814/job/83814166280?pr=152376
Windows MSI${{ '' }} https://github.com/python/cpython/actions/runs/28287596814/job/83814166428?pr=152376
macOS / build and test (macos-26) https://github.com/python/cpython/actions/runs/28287596814/job/83814166278?pr=152376
macOS (free-threading) / build and test (macos-26) https://github.com/python/cpython/actions/runs/28287596814/job/83814166259?pr=152376
macOS / build and test (macos-26-intel) https://github.com/python/cpython/actions/runs/28287596814/job/83814166282?pr=152376
Ubuntu / build and test (ubuntu-24.04) https://github.com/python/cpython/actions/runs/28287596814/job/83814166193?pr=152376
Ubuntu / build and test (ubuntu-24.04-arm) https://github.com/python/cpython/actions/runs/28287596814/job/83814166197?pr=152376
Ubuntu (free-threading) / build and test (ubuntu-24.04) https://github.com/python/cpython/actions/runs/28287596814/job/83814166204?pr=152376
Ubuntu (free-threading) / build and test (ubuntu-24.04-arm) https://github.com/python/cpython/actions/runs/28287596814/job/83814166202?pr=152376
Ubuntu (bolt) / build and test (ubuntu-24.04) https://github.com/python/cpython/actions/runs/28287596814/job/83814166201?pr=152376
Ubuntu SSL tests (ubuntu-24.04, openssl, 1.1.1w) https://github.com/python/cpython/actions/runs/28287596814/job/83814166113?pr=152376
Ubuntu SSL tests (ubuntu-24.04, openssl, 3.0.21) https://github.com/python/cpython/actions/runs/28287596814/job/83814166121?pr=152376
Ubuntu SSL tests (ubuntu-24.04, openssl, 3.4.6) https://github.com/python/cpython/actions/runs/28287596814/job/83814166114?pr=152376
Ubuntu SSL tests (ubuntu-24.04, openssl, 3.5.7) https://github.com/python/cpython/actions/runs/28287596814/job/83814166111?pr=152376
Ubuntu SSL tests (ubuntu-24.04, openssl, 3.6.3) https://github.com/python/cpython/actions/runs/28287596814/job/83814166118?pr=152376
Ubuntu SSL tests (ubuntu-24.04, openssl, 4.0.1) https://github.com/python/cpython/actions/runs/28287596814/job/83814166109?pr=152376
Ubuntu SSL tests (ubuntu-24.04, aws-lc, 5.0.0) https://github.com/python/cpython/actions/runs/28287596814/job/83814166139?pr=152376
Android (aarch64) https://github.com/python/cpython/actions/runs/28287596814/job/83814166081?pr=152376
Android (x86_64) https://github.com/python/cpython/actions/runs/28287596814/job/83814166072?pr=152376
iOS https://github.com/python/cpython/actions/runs/28287596814/job/83814166068?pr=152376
Emscripten / build and test https://github.com/python/cpython/actions/runs/28287596814/job/83814166184?pr=152376
WASI / build and test https://github.com/python/cpython/actions/runs/28287596814/job/83814166196?pr=152376
Hypothesis tests on Ubuntu https://github.com/python/cpython/actions/runs/28287596814/job/83814166083?pr=152376
Address sanitizer (ubuntu-24.04) https://github.com/python/cpython/actions/runs/28287596814/job/83814166106?pr=152376
Sanitizers / TSan https://github.com/python/cpython/actions/runs/28287596814/job/83814166269?pr=152376
Sanitizers / TSan (free-threading) https://github.com/python/cpython/actions/runs/28287596814/job/83814166292?pr=152376
Sanitizers / UBSan https://github.com/python/cpython/actions/runs/28287596814/job/83814166276?pr=152376
Cross build Linux https://github.com/python/cpython/actions/runs/28287596814/job/83814166104?pr=152376
CIFuzz / cpython3 (address) https://github.com/python/cpython/actions/runs/28287596814/job/83814166288?pr=152376
CIFuzz / cpython3 (undefined) https://github.com/python/cpython/actions/runs/28287596814/job/83814166321?pr=152376
CIFuzz / cpython3 (memory) https://github.com/python/cpython/actions/runs/28287596814/job/83814166285?pr=152376
All required checks pass https://github.com/python/cpython/actions/runs/28287596814/job/83815654257?pr=152376
ClusterFuzzLite/CIFuzz https://github.com/python/cpython/pull/152376/checks?check_run_id=83815294253
Check labels on: pull_request https://github.com/python/cpython/actions/runs/28294626603
DO-NOT-MERGE https://github.com/python/cpython/actions/runs/28294626603/job/83832304488?pr=152376
Unresolved review https://github.com/python/cpython/actions/runs/28294626603/job/83832304501?pr=152376
Check labels on: pull_request https://github.com/python/cpython/actions/runs/28294626898
DO-NOT-MERGE https://github.com/python/cpython/actions/runs/28294626898/job/83832305322?pr=152376
Unresolved review https://github.com/python/cpython/actions/runs/28294626898/job/83832305310?pr=152376
Check labels on: pull_request https://github.com/python/cpython/actions/runs/28295702690
DO-NOT-MERGE https://github.com/python/cpython/actions/runs/28295702690/job/83835119113?pr=152376
Unresolved review https://github.com/python/cpython/actions/runs/28295702690/job/83835119114?pr=152376
Check labels on: pull_request https://github.com/python/cpython/actions/runs/28295702743
DO-NOT-MERGE https://github.com/python/cpython/actions/runs/28295702743/job/83835119314?pr=152376
Unresolved review https://github.com/python/cpython/actions/runs/28295702743/job/83835119305?pr=152376
Check labels on: pull_request https://github.com/python/cpython/actions/runs/28295702828
DO-NOT-MERGE https://github.com/python/cpython/actions/runs/28295702828/job/83835119383?pr=152376
Unresolved review https://github.com/python/cpython/actions/runs/28295702828/job/83835119358?pr=152376
Check labels on: pull_request https://github.com/python/cpython/actions/runs/28360936729
DO-NOT-MERGE https://github.com/python/cpython/actions/runs/28360936729/job/84015137324?pr=152376
Unresolved review https://github.com/python/cpython/actions/runs/28360936729/job/84015137376?pr=152376
Check labels on: pull_request https://github.com/python/cpython/actions/runs/28360950081
DO-NOT-MERGE https://github.com/python/cpython/actions/runs/28360950081/job/84015181897?pr=152376
Unresolved review https://github.com/python/cpython/actions/runs/28360950081/job/84015181888?pr=152376
Check labels on: pull_request https://github.com/python/cpython/actions/runs/28360955226
DO-NOT-MERGE https://github.com/python/cpython/actions/runs/28360955226/job/84015198835?pr=152376
Unresolved review https://github.com/python/cpython/actions/runs/28360955226/job/84015198757?pr=152376
Check labels on: pull_request https://github.com/python/cpython/actions/runs/28363165204
DO-NOT-MERGE https://github.com/python/cpython/actions/runs/28363165204/job/84022466705?pr=152376
Unresolved review https://github.com/python/cpython/actions/runs/28363165204/job/84022466661?pr=152376
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.