René's URL Explorer Experiment


Title: gh-151818: Fix CALL_LIST_APPEND opcode error path by vstinner · Pull Request #152114 · python/cpython · GitHub

Open Graph Title: gh-151818: Fix CALL_LIST_APPEND opcode error path by vstinner · Pull Request #152114 · python/cpython

X Title: gh-151818: Fix CALL_LIST_APPEND opcode error path by vstinner · Pull Request #152114 · python/cpython

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

Open Graph Description: Call DECREF_INPUTS() on error. Issue: Double free / use-after-free in list.append() when the list grows under MemoryError (_CALL_LIST_APPEND) #151818

X Description: Call DECREF_INPUTS() on error. Issue: Double free / use-after-free in list.append() when the list grows under MemoryError (_CALL_LIST_APPEND) #151818

Opengraph URL: https://github.com/python/cpython/pull/152114

X: @github

direct link

Domain: github.com

route-pattern/:user_id/:repository/pull/:id/checks(.:format)
route-controllerpull_requests
route-actionchecks
fetch-noncev2:f5185515-0c08-ff10-3ea9-f1fe1f499a9e
current-catalog-service-hash87dc3bc62d9b466312751bfd5f889726f4f1337bdff4e8be7da7c93d6c00a25a
request-idA1BA:152AB4:5861B8:763ED6:6A52FBBB
html-safe-noncec66a0a11273d404e8eeb8eb295db2be9a27f3f5daf7bfe10f74be6b3a0ad827b
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiJBMUJBOjE1MkFCNDo1ODYxQjg6NzYzRUQ2OjZBNTJGQkJCIiwidmlzaXRvcl9pZCI6IjcyNzE2NTA3NzA5MDIyNTI0NzUiLCJyZWdpb25fZWRnZSI6ImlhZCIsInJlZ2lvbl9yZW5kZXIiOiJpYWQifQ==
visitor-hmaccd79975dba5a308a6eff0d971290759d535826f75a6a25e9bff0e3b2ec35f15f
hovercard-subject-tagpull_request:3930157530
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/152114/checks
twitter:imagehttps://opengraph.githubassets.com/ce22ed51b77423fb7cda8d350214f870edeefb21f7e0148f50f829d54f818b69/python/cpython/pull/152114
twitter:cardsummary_large_image
og:imagehttps://opengraph.githubassets.com/ce22ed51b77423fb7cda8d350214f870edeefb21f7e0148f50f829d54f818b69/python/cpython/pull/152114
og:image:altCall DECREF_INPUTS() on error. Issue: Double free / use-after-free in list.append() when the list grows under MemoryError (_CALL_LIST_APPEND) #151818
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-2
theme-color#1e2327
color-schemelight dark

Links:

Skip to contenthttps://github.com/python/cpython/pull/152114/checks#start-of-content
https://github.com/
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F152114%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%2F152114%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/152114/checks
Reloadhttps://github.com/python/cpython/pull/152114/checks
Reloadhttps://github.com/python/cpython/pull/152114/checks
Please reload this pagehttps://github.com/python/cpython/pull/152114/checks
python https://github.com/python
cpythonhttps://github.com/python/cpython
Please reload this pagehttps://github.com/python/cpython/pull/152114/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_append2https://github.com/vstinner/cpython/tree/call_list_append2
Conversationhttps://github.com/python/cpython/pull/152114
Commits1 (1)https://github.com/python/cpython/pull/152114/commits
Checkshttps://github.com/python/cpython/pull/152114/checks
Files changedhttps://github.com/python/cpython/pull/152114/files
gh-151818: Fix CALL_LIST_APPEND opcode error pathhttps://github.com/python/cpython/pull/152114/checks#top
vstinnerhttps://github.com/vstinner
python:mainhttps://github.com/python/cpython/tree/main
vstinner:call_list_append2https://github.com/vstinner/cpython/tree/call_list_append2
Please reload this pagehttps://github.com/python/cpython/pull/152114/checks
Sign in for the full log viewhttps://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F152114%2Fchecks
Check labels on: pull_request https://github.com/python/cpython/actions/runs/28123900616
DO-NOT-MERGE https://github.com/python/cpython/actions/runs/28123900616/job/83282634660?pr=152114
Unresolved review https://github.com/python/cpython/actions/runs/28123900616/job/83282634585?pr=152114
JIT on: pull_request https://github.com/python/cpython/actions/runs/28123900930
Interpreter (Debug) https://github.com/python/cpython/actions/runs/28123900930/job/83282635888?pr=152114
i686-pc-windows-msvc/msvc (Debug) https://github.com/python/cpython/actions/runs/28123900930/job/83282635914?pr=152114
i686-pc-windows-msvc/msvc (Release) https://github.com/python/cpython/actions/runs/28123900930/job/83282635933?pr=152114
x86_64-pc-windows-msvc/msvc (Debug) https://github.com/python/cpython/actions/runs/28123900930/job/83282635906?pr=152114
x86_64-pc-windows-msvc/msvc (Release) https://github.com/python/cpython/actions/runs/28123900930/job/83282635957?pr=152114
aarch64-pc-windows-msvc/msvc (Debug) https://github.com/python/cpython/actions/runs/28123900930/job/83282635897?pr=152114
aarch64-pc-windows-msvc/msvc (Release) https://github.com/python/cpython/actions/runs/28123900930/job/83282636005?pr=152114
x86_64-apple-darwin/clang (Debug) https://github.com/python/cpython/actions/runs/28123900930/job/83282635903?pr=152114
x86_64-apple-darwin/clang (Release) https://github.com/python/cpython/actions/runs/28123900930/job/83282635872?pr=152114
aarch64-apple-darwin/clang (Debug) https://github.com/python/cpython/actions/runs/28123900930/job/83282635877?pr=152114
aarch64-apple-darwin/clang (Release) https://github.com/python/cpython/actions/runs/28123900930/job/83282635943?pr=152114
x86_64-unknown-linux-gnu/gcc (Debug) https://github.com/python/cpython/actions/runs/28123900930/job/83282635947?pr=152114
x86_64-unknown-linux-gnu/gcc (Release) https://github.com/python/cpython/actions/runs/28123900930/job/83282635932?pr=152114
aarch64-unknown-linux-gnu/gcc (Debug) https://github.com/python/cpython/actions/runs/28123900930/job/83282635921?pr=152114
aarch64-unknown-linux-gnu/gcc (Release) https://github.com/python/cpython/actions/runs/28123900930/job/83282635940?pr=152114
Free-Threaded (Debug) https://github.com/python/cpython/actions/runs/28123900930/job/83282635918?pr=152114
JIT without optimizations (Debug) https://github.com/python/cpython/actions/runs/28123900930/job/83282635911?pr=152114
JIT with stress testing (Debug) https://github.com/python/cpython/actions/runs/28123900930/job/83282635936?pr=152114
JIT with tail calling interpreter https://github.com/python/cpython/actions/runs/28123900930/job/83282635867?pr=152114
Lint on: pull_request https://github.com/python/cpython/actions/runs/28123900970
lint https://github.com/python/cpython/actions/runs/28123900970/job/83282636223?pr=152114
Check labels on: pull_request https://github.com/python/cpython/actions/runs/28123900971
DO-NOT-MERGE https://github.com/python/cpython/actions/runs/28123900971/job/83282636058?pr=152114
Unresolved review https://github.com/python/cpython/actions/runs/28123900971/job/83282636017?pr=152114
Tail calling interpreter on: pull_request https://github.com/python/cpython/actions/runs/28123901017
x86_64-apple-darwin/clang https://github.com/python/cpython/actions/runs/28123901017/job/83282636305?pr=152114
aarch64-apple-darwin/clang https://github.com/python/cpython/actions/runs/28123901017/job/83282636292?pr=152114
x86_64-unknown-linux-gnu/gcc https://github.com/python/cpython/actions/runs/28123901017/job/83282636287?pr=152114
x86_64-unknown-linux-gnu/gcc-free-threading https://github.com/python/cpython/actions/runs/28123901017/job/83282636317?pr=152114
aarch64-unknown-linux-gnu/gcc https://github.com/python/cpython/actions/runs/28123901017/job/83282636327?pr=152114
Tests on: pull_request https://github.com/python/cpython/actions/runs/28123901239
Change detection / Create context from changed files https://github.com/python/cpython/actions/runs/28123901239/job/83282637339?pr=152114
Docs / Docs https://github.com/python/cpython/actions/runs/28123901239/job/83282689089?pr=152114
Docs / Doctest https://github.com/python/cpython/actions/runs/28123901239/job/83282689099?pr=152114
Docs / Check EPUB https://github.com/python/cpython/actions/runs/28123901239/job/83282689087?pr=152114
Docs / Check for removed HTML IDs / Check for removed HTML IDs https://github.com/python/cpython/actions/runs/28123901239/job/83283141652?pr=152114
Check if Autoconf files are up to date https://github.com/python/cpython/actions/runs/28123901239/job/83282687983?pr=152114
Check if generated files are up to date https://github.com/python/cpython/actions/runs/28123901239/job/83282687971?pr=152114
C API Docs / Check if all C APIs are documented https://github.com/python/cpython/actions/runs/28123901239/job/83282688546?pr=152114
Windows / Build and test (x64, switch-case) https://github.com/python/cpython/actions/runs/28123901239/job/83282688935?pr=152114
Windows (free-threading) / Build and test (x64, switch-case) https://github.com/python/cpython/actions/runs/28123901239/job/83282688950?pr=152114
Windows / Build and test (Win32, switch-case) https://github.com/python/cpython/actions/runs/28123901239/job/83282688912?pr=152114
Windows / Build and test (arm64, switch-case) https://github.com/python/cpython/actions/runs/28123901239/job/83282688887?pr=152114
Windows (free-threading) / Build and test (arm64, switch-case) https://github.com/python/cpython/actions/runs/28123901239/job/83282688850?pr=152114
Windows / Build and test (x64, tail-call) https://github.com/python/cpython/actions/runs/28123901239/job/83282688822?pr=152114
Windows (free-threading) / Build and test (x64, tail-call) https://github.com/python/cpython/actions/runs/28123901239/job/83282688884?pr=152114
Windows MSI${{ '' }} https://github.com/python/cpython/actions/runs/28123901239/job/83282688876?pr=152114
macOS / build and test (macos-26) https://github.com/python/cpython/actions/runs/28123901239/job/83282688781?pr=152114
macOS (free-threading) / build and test (macos-26) https://github.com/python/cpython/actions/runs/28123901239/job/83282688703?pr=152114
macOS / build and test (macos-26-intel) https://github.com/python/cpython/actions/runs/28123901239/job/83282688803?pr=152114
Ubuntu / build and test (ubuntu-24.04) https://github.com/python/cpython/actions/runs/28123901239/job/83282688814?pr=152114
Ubuntu / build and test (ubuntu-24.04-arm) https://github.com/python/cpython/actions/runs/28123901239/job/83282688835?pr=152114
Ubuntu (free-threading) / build and test (ubuntu-24.04) https://github.com/python/cpython/actions/runs/28123901239/job/83282688793?pr=152114
Ubuntu (free-threading) / build and test (ubuntu-24.04-arm) https://github.com/python/cpython/actions/runs/28123901239/job/83282688787?pr=152114
Ubuntu (bolt) / build and test (ubuntu-24.04) https://github.com/python/cpython/actions/runs/28123901239/job/83282688804?pr=152114
Ubuntu SSL tests (ubuntu-24.04, openssl, 1.1.1w) https://github.com/python/cpython/actions/runs/28123901239/job/83282688118?pr=152114
Ubuntu SSL tests (ubuntu-24.04, openssl, 3.0.21) https://github.com/python/cpython/actions/runs/28123901239/job/83282688112?pr=152114
Ubuntu SSL tests (ubuntu-24.04, openssl, 3.4.6) https://github.com/python/cpython/actions/runs/28123901239/job/83282688109?pr=152114
Ubuntu SSL tests (ubuntu-24.04, openssl, 3.5.7) https://github.com/python/cpython/actions/runs/28123901239/job/83282688095?pr=152114
Ubuntu SSL tests (ubuntu-24.04, openssl, 3.6.3) https://github.com/python/cpython/actions/runs/28123901239/job/83282688113?pr=152114
Ubuntu SSL tests (ubuntu-24.04, openssl, 4.0.1) https://github.com/python/cpython/actions/runs/28123901239/job/83282688101?pr=152114
Ubuntu SSL tests (ubuntu-24.04, aws-lc, 5.0.0) https://github.com/python/cpython/actions/runs/28123901239/job/83282688100?pr=152114
Android (aarch64) https://github.com/python/cpython/actions/runs/28123901239/job/83282688003?pr=152114
Android (x86_64) https://github.com/python/cpython/actions/runs/28123901239/job/83282688057?pr=152114
iOS https://github.com/python/cpython/actions/runs/28123901239/job/83282687970?pr=152114
Emscripten / build and test https://github.com/python/cpython/actions/runs/28123901239/job/83282688515?pr=152114
WASI / build and test https://github.com/python/cpython/actions/runs/28123901239/job/83282688403?pr=152114
Hypothesis tests on Ubuntu https://github.com/python/cpython/actions/runs/28123901239/job/83282688078?pr=152114
Address sanitizer (ubuntu-24.04) https://github.com/python/cpython/actions/runs/28123901239/job/83282687972?pr=152114
Sanitizers / TSan https://github.com/python/cpython/actions/runs/28123901239/job/83282688946?pr=152114
Sanitizers / TSan (free-threading) https://github.com/python/cpython/actions/runs/28123901239/job/83282688918?pr=152114
Sanitizers / UBSan https://github.com/python/cpython/actions/runs/28123901239/job/83282688899?pr=152114
Cross build Linux https://github.com/python/cpython/actions/runs/28123901239/job/83282688052?pr=152114
CIFuzz / cpython3 (address) https://github.com/python/cpython/actions/runs/28123901239/job/83282688963?pr=152114
CIFuzz / cpython3 (undefined) https://github.com/python/cpython/actions/runs/28123901239/job/83282688940?pr=152114
CIFuzz / cpython3 (memory) https://github.com/python/cpython/actions/runs/28123901239/job/83282688947?pr=152114
All required checks pass https://github.com/python/cpython/actions/runs/28123901239/job/83288367210?pr=152114
Check labels on: pull_request https://github.com/python/cpython/actions/runs/28123907638
DO-NOT-MERGE https://github.com/python/cpython/actions/runs/28123907638/job/83282658985?pr=152114
Unresolved review https://github.com/python/cpython/actions/runs/28123907638/job/83282658955?pr=152114
ClusterFuzzLite/CIFuzz https://github.com/python/cpython/pull/152114/checks?check_run_id=83286640273
Check whether this PR is a feature (contains a "type-feature" label) https://github.com/python/cpython/pull/152114/checks#annotation:3:16
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.