René's URL Explorer Experiment


Title: [WIP] gh-152090: Fix CALL_LIST_APPEND opcode error path by vstinner · Pull Request #152091 · python/cpython · GitHub

Open Graph Title: [WIP] gh-152090: Fix CALL_LIST_APPEND opcode error path by vstinner · Pull Request #152091 · python/cpython

X Title: [WIP] gh-152090: Fix CALL_LIST_APPEND opcode error path by vstinner · Pull Request #152091 · python/cpython

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

Open Graph Description: Clear arg since PyStackRef_AsPyObjectSteal(arg) converted arg to a dangling stack reference. Issue: ceval: CALL_LIST_APPEND bytecode leaves a dangling stack reference on the stack on error #152090

X Description: Clear arg since PyStackRef_AsPyObjectSteal(arg) converted arg to a dangling stack reference. Issue: ceval: CALL_LIST_APPEND bytecode leaves a dangling stack reference on the stack on error #152090

Opengraph URL: https://github.com/python/cpython/pull/152091

X: @github

direct link

Domain: github.com

route-pattern/:user_id/:repository/pull/:id/checks(.:format)
route-controllerpull_requests
route-actionchecks
fetch-noncev2:4deb857f-5a03-cf68-928a-4a4ad2af862d
current-catalog-service-hash87dc3bc62d9b466312751bfd5f889726f4f1337bdff4e8be7da7c93d6c00a25a
request-id96EC:24C70E:B952D:F7051:6A53F7B1
html-safe-nonceb108d2c7772a96c0d0affc6628ef853c1f4a80e126d9cbacf1af92721fb8567b
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiI5NkVDOjI0QzcwRTpCOTUyRDpGNzA1MTo2QTUzRjdCMSIsInZpc2l0b3JfaWQiOiI4MTg2NTQ4NzY1NjcyNjAxNTIxIiwicmVnaW9uX2VkZ2UiOiJpYWQiLCJyZWdpb25fcmVuZGVyIjoiaWFkIn0=
visitor-hmacc66c3de0d5b8f3ae3d3a39a69741f3b9688048e20824a9722c4b57c1aa50e11a
hovercard-subject-tagpull_request:3928863500
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/152091/checks
twitter:imagehttps://opengraph.githubassets.com/1fde985add01a4ea9c43a78ab2837840fbccc6eddb900a87a464ade44b8f7634/python/cpython/pull/152091
twitter:cardsummary_large_image
og:imagehttps://opengraph.githubassets.com/1fde985add01a4ea9c43a78ab2837840fbccc6eddb900a87a464ade44b8f7634/python/cpython/pull/152091
og:image:altClear arg since PyStackRef_AsPyObjectSteal(arg) converted arg to a dangling stack reference. Issue: ceval: CALL_LIST_APPEND bytecode leaves a dangling stack reference on the stack on error #152090
og:image:width1200
og:image:height600
og:site_nameGitHub
og:typeobject
og:author:usernamevstinner
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-targetcanary-1
theme-color#1e2327
color-schemelight dark

Links:

Skip to contenthttps://github.com/python/cpython/pull/152091/checks#start-of-content
https://github.com/
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F152091%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%2F152091%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/152091/checks
Reloadhttps://github.com/python/cpython/pull/152091/checks
Reloadhttps://github.com/python/cpython/pull/152091/checks
Please reload this pagehttps://github.com/python/cpython/pull/152091/checks
python https://github.com/python
cpythonhttps://github.com/python/cpython
Please reload this pagehttps://github.com/python/cpython/pull/152091/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
vstinnerhttps://github.com/vstinner
python:mainhttps://github.com/python/cpython/tree/main
vstinner:call_list_appendhttps://github.com/vstinner/cpython/tree/call_list_append
Conversationhttps://github.com/python/cpython/pull/152091
Commits1 (1)https://github.com/python/cpython/pull/152091/commits
Checkshttps://github.com/python/cpython/pull/152091/checks
Files changedhttps://github.com/python/cpython/pull/152091/files
[WIP] gh-152090: Fix CALL_LIST_APPEND opcode error pathhttps://github.com/python/cpython/pull/152091/checks#top
vstinnerhttps://github.com/vstinner
python:mainhttps://github.com/python/cpython/tree/main
vstinner:call_list_appendhttps://github.com/vstinner/cpython/tree/call_list_append
Please reload this pagehttps://github.com/python/cpython/pull/152091/checks
Sign in for the full log viewhttps://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F152091%2Fchecks
JIT on: pull_request https://github.com/python/cpython/actions/runs/28110218636
Interpreter (Debug) https://github.com/python/cpython/actions/runs/28110218636/job/83235291108?pr=152091
i686-pc-windows-msvc/msvc (Debug) https://github.com/python/cpython/actions/runs/28110218636/job/83235291103?pr=152091
i686-pc-windows-msvc/msvc (Release) https://github.com/python/cpython/actions/runs/28110218636/job/83235291054?pr=152091
x86_64-pc-windows-msvc/msvc (Debug) https://github.com/python/cpython/actions/runs/28110218636/job/83235291085?pr=152091
x86_64-pc-windows-msvc/msvc (Release) https://github.com/python/cpython/actions/runs/28110218636/job/83235291037?pr=152091
aarch64-pc-windows-msvc/msvc (Debug) https://github.com/python/cpython/actions/runs/28110218636/job/83235291094?pr=152091
aarch64-pc-windows-msvc/msvc (Release) https://github.com/python/cpython/actions/runs/28110218636/job/83235291134?pr=152091
x86_64-apple-darwin/clang (Debug) https://github.com/python/cpython/actions/runs/28110218636/job/83235291068?pr=152091
x86_64-apple-darwin/clang (Release) https://github.com/python/cpython/actions/runs/28110218636/job/83235291102?pr=152091
aarch64-apple-darwin/clang (Debug) https://github.com/python/cpython/actions/runs/28110218636/job/83235291071?pr=152091
aarch64-apple-darwin/clang (Release) https://github.com/python/cpython/actions/runs/28110218636/job/83235291025?pr=152091
x86_64-unknown-linux-gnu/gcc (Debug) https://github.com/python/cpython/actions/runs/28110218636/job/83235291044?pr=152091
x86_64-unknown-linux-gnu/gcc (Release) https://github.com/python/cpython/actions/runs/28110218636/job/83235291179?pr=152091
aarch64-unknown-linux-gnu/gcc (Debug) https://github.com/python/cpython/actions/runs/28110218636/job/83235291205?pr=152091
aarch64-unknown-linux-gnu/gcc (Release) https://github.com/python/cpython/actions/runs/28110218636/job/83235291039?pr=152091
Free-Threaded (Debug) https://github.com/python/cpython/actions/runs/28110218636/job/83235291049?pr=152091
JIT without optimizations (Debug) https://github.com/python/cpython/actions/runs/28110218636/job/83235291104?pr=152091
JIT with stress testing (Debug) https://github.com/python/cpython/actions/runs/28110218636/job/83235291064?pr=152091
JIT with tail calling interpreter https://github.com/python/cpython/actions/runs/28110218636/job/83235291062?pr=152091
Tail calling interpreter on: pull_request https://github.com/python/cpython/actions/runs/28110218627
x86_64-apple-darwin/clang https://github.com/python/cpython/actions/runs/28110218627/job/83235291432?pr=152091
aarch64-apple-darwin/clang https://github.com/python/cpython/actions/runs/28110218627/job/83235291352?pr=152091
x86_64-unknown-linux-gnu/gcc https://github.com/python/cpython/actions/runs/28110218627/job/83235291492?pr=152091
x86_64-unknown-linux-gnu/gcc-free-threading https://github.com/python/cpython/actions/runs/28110218627/job/83235291355?pr=152091
aarch64-unknown-linux-gnu/gcc https://github.com/python/cpython/actions/runs/28110218627/job/83235291378?pr=152091
Check labels on: pull_request https://github.com/python/cpython/actions/runs/28110218632
DO-NOT-MERGE https://github.com/python/cpython/actions/runs/28110218632/job/83235290835?pr=152091
Unresolved review https://github.com/python/cpython/actions/runs/28110218632/job/83235290906?pr=152091
Lint on: pull_request https://github.com/python/cpython/actions/runs/28110218652
lint https://github.com/python/cpython/actions/runs/28110218652/job/83235291385?pr=152091
Tests on: pull_request https://github.com/python/cpython/actions/runs/28110219085
Change detection / Create context from changed files https://github.com/python/cpython/actions/runs/28110219085/job/83261433479?pr=152091
Docs https://github.com/python/cpython/actions/runs/28110219085/job/83261433937?pr=152091
Check if Autoconf files are up to date https://github.com/python/cpython/actions/runs/28110219085/job/83261434357?pr=152091
Check if generated files are up to date https://github.com/python/cpython/actions/runs/28110219085/job/83261434268?pr=152091
C API Docs / Check if all C APIs are documented https://github.com/python/cpython/actions/runs/28110219085/job/83261434554?pr=152091
Windows / Build and test (x64, switch-case) https://github.com/python/cpython/actions/runs/28110219085/job/83261434582?pr=152091
Windows (free-threading) / Build and test (x64, switch-case) https://github.com/python/cpython/actions/runs/28110219085/job/83261434698?pr=152091
Windows / Build and test (Win32, switch-case) https://github.com/python/cpython/actions/runs/28110219085/job/83261434463?pr=152091
Windows / Build and test (arm64, switch-case) https://github.com/python/cpython/actions/runs/28110219085/job/83261434542?pr=152091
Windows (free-threading) / Build and test (arm64, switch-case) https://github.com/python/cpython/actions/runs/28110219085/job/83261434577?pr=152091
Windows / Build and test (x64, tail-call) https://github.com/python/cpython/actions/runs/28110219085/job/83261434647?pr=152091
Windows (free-threading) / Build and test (x64, tail-call) https://github.com/python/cpython/actions/runs/28110219085/job/83261434507?pr=152091
Windows MSI${{ '' }} https://github.com/python/cpython/actions/runs/28110219085/job/83261458680?pr=152091
macOS / build and test (macos-26) https://github.com/python/cpython/actions/runs/28110219085/job/83261433822?pr=152091
macOS (free-threading) / build and test (macos-26) https://github.com/python/cpython/actions/runs/28110219085/job/83261435316?pr=152091
macOS / build and test (macos-26-intel) https://github.com/python/cpython/actions/runs/28110219085/job/83261435090?pr=152091
Ubuntu / build and test (ubuntu-24.04) https://github.com/python/cpython/actions/runs/28110219085/job/83261434803?pr=152091
Ubuntu / build and test (ubuntu-24.04-arm) https://github.com/python/cpython/actions/runs/28110219085/job/83261435002?pr=152091
Ubuntu (free-threading) / build and test (ubuntu-24.04) https://github.com/python/cpython/actions/runs/28110219085/job/83261434689?pr=152091
Ubuntu (free-threading) / build and test (ubuntu-24.04-arm) https://github.com/python/cpython/actions/runs/28110219085/job/83261434924?pr=152091
Ubuntu (bolt) / build and test (ubuntu-24.04) https://github.com/python/cpython/actions/runs/28110219085/job/83261435051?pr=152091
Ubuntu SSL tests (ubuntu-24.04, openssl, 1.1.1w) https://github.com/python/cpython/actions/runs/28110219085/job/83261434011?pr=152091
Ubuntu SSL tests (ubuntu-24.04, openssl, 3.0.21) https://github.com/python/cpython/actions/runs/28110219085/job/83261434616?pr=152091
Ubuntu SSL tests (ubuntu-24.04, openssl, 3.4.6) https://github.com/python/cpython/actions/runs/28110219085/job/83261434410?pr=152091
Ubuntu SSL tests (ubuntu-24.04, openssl, 3.5.7) https://github.com/python/cpython/actions/runs/28110219085/job/83261434502?pr=152091
Ubuntu SSL tests (ubuntu-24.04, openssl, 3.6.3) https://github.com/python/cpython/actions/runs/28110219085/job/83261434593?pr=152091
Ubuntu SSL tests (ubuntu-24.04, openssl, 4.0.1) https://github.com/python/cpython/actions/runs/28110219085/job/83261434815?pr=152091
Ubuntu SSL tests (ubuntu-24.04, aws-lc, 5.0.0) https://github.com/python/cpython/actions/runs/28110219085/job/83261434521?pr=152091
Android (aarch64) https://github.com/python/cpython/actions/runs/28110219085/job/83261434153?pr=152091
Android (x86_64) https://github.com/python/cpython/actions/runs/28110219085/job/83261434586?pr=152091
iOS https://github.com/python/cpython/actions/runs/28110219085/job/83261434254?pr=152091
Emscripten / build and test https://github.com/python/cpython/actions/runs/28110219085/job/83261434149?pr=152091
WASI / build and test https://github.com/python/cpython/actions/runs/28110219085/job/83261434589?pr=152091
Hypothesis tests on Ubuntu https://github.com/python/cpython/actions/runs/28110219085/job/83261434642?pr=152091
Address sanitizer (ubuntu-24.04) https://github.com/python/cpython/actions/runs/28110219085/job/83261434265?pr=152091
Sanitizers / TSan https://github.com/python/cpython/actions/runs/28110219085/job/83261434825?pr=152091
Sanitizers / TSan (free-threading) https://github.com/python/cpython/actions/runs/28110219085/job/83261435231?pr=152091
Sanitizers / UBSan https://github.com/python/cpython/actions/runs/28110219085/job/83261434631?pr=152091
Cross build Linux https://github.com/python/cpython/actions/runs/28110219085/job/83261434607?pr=152091
CIFuzz / cpython3 (address) https://github.com/python/cpython/actions/runs/28110219085/job/83261434653?pr=152091
CIFuzz / cpython3 (undefined) https://github.com/python/cpython/actions/runs/28110219085/job/83261434635?pr=152091
CIFuzz / cpython3 (memory) https://github.com/python/cpython/actions/runs/28110219085/job/83261435236?pr=152091
All required checks pass https://github.com/python/cpython/actions/runs/28110219085/job/83264063745?pr=152091
ClusterFuzzLite/CIFuzz https://github.com/python/cpython/pull/152091/checks?check_run_id=83239867508
Install LLVM https://github.com/python/cpython/pull/152091/checks#annotation:4:176
Install LLVM https://github.com/python/cpython/pull/152091/checks#annotation:4:148
Install LLVM https://github.com/python/cpython/pull/152091/checks#annotation:4:147
Install LLVM https://github.com/python/cpython/pull/152091/checks#annotation:4:146
Install LLVM https://github.com/python/cpython/pull/152091/checks#annotation:4:145
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.