René's URL Explorer Experiment


Title: GH-93964: Harden overflow checks before _PyBytes_Resize in compile.c by sweeneyde · Pull Request #94044 · python/cpython · GitHub

Open Graph Title: GH-93964: Harden overflow checks before _PyBytes_Resize in compile.c by sweeneyde · Pull Request #94044 · python/cpython

X Title: GH-93964: Harden overflow checks before _PyBytes_Resize in compile.c by sweeneyde · Pull Request #94044 · python/cpython

Description: #93964 The issue was found in 3.10, so it will need to be manually backported there. Issue: Segfault compiling a very large source file #93964

Open Graph Description: #93964 The issue was found in 3.10, so it will need to be manually backported there. Issue: Segfault compiling a very large source file #93964

X Description: #93964 The issue was found in 3.10, so it will need to be manually backported there. Issue: Segfault compiling a very large source file #93964

Opengraph URL: https://github.com/python/cpython/pull/94044

X: @github

direct link

Domain: github.com

route-pattern/_view_fragments/voltron/pull_requests/show/:user_id/:repository/:id/pull_request_layout(.:format)
route-controllervoltron_pull_requests_fragments
route-actionpull_request_layout
fetch-noncev2:5af1962a-b3ad-c7e9-67e6-b3d0e44b978a
current-catalog-service-hashae870bc5e265a340912cde392f23dad3671a0a881730ffdadd82f2f57d81641b
request-idE188:11D50D:1776B8C:1F508FC:6969BD64
html-safe-nonce16d4dea4d22148c5fd276176c327cd6e5d4ac9b9b6adcad85173571a26512623
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiJFMTg4OjExRDUwRDoxNzc2QjhDOjFGNTA4RkM6Njk2OUJENjQiLCJ2aXNpdG9yX2lkIjoiNjE3Mjc5MzM2NTQxNDM5NTIzNiIsInJlZ2lvbl9lZGdlIjoiaWFkIiwicmVnaW9uX3JlbmRlciI6ImlhZCJ9
visitor-hmac83aa75ad15ff483f3a93c8b71419c9d4ebef9730630b1cf7e9c6b9e1852ce974
hovercard-subject-tagpull_request:972938768
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///voltron/pull_requests_fragments/pull_request_layout
fb:app_id1401488693436528
apple-itunes-appapp-id=1477376905, app-argument=https://github.com/_view_fragments/voltron/pull_requests/show/python/cpython/94044/pull_request_layout
twitter:imagehttps://opengraph.githubassets.com/57b2d23f263e280b24b71ae3d532c76e2efb8e7b5caaae4028d26cdfd6d33aac/python/cpython/pull/94044
twitter:cardsummary_large_image
og:imagehttps://opengraph.githubassets.com/57b2d23f263e280b24b71ae3d532c76e2efb8e7b5caaae4028d26cdfd6d33aac/python/cpython/pull/94044
og:image:alt#93964 The issue was found in 3.10, so it will need to be manually backported there. Issue: Segfault compiling a very large source file #93964
og:image:width1200
og:image:height600
og:site_nameGitHub
og:typeobject
og:author:usernamesweeneyde
hostnamegithub.com
expected-hostnamegithub.com
Noneacedec8b5f975d9e3d494ddd8f949b0b8a0de59d393901e26f73df9dcba80056
turbo-cache-controlno-preview
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
release83c08c21cdda978090dc44364b71aa5bc6dcea79
ui-targetfull
theme-color#1e2327
color-schemelight dark

Links:

Skip to contenthttps://github.com/python/cpython/pull/94044#start-of-content
https://github.com/
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F94044
GitHub CopilotWrite better code with AIhttps://github.com/features/copilot
GitHub SparkBuild and deploy intelligent appshttps://github.com/features/spark
GitHub ModelsManage and compare promptshttps://github.com/features/models
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
GitHub SponsorsFund open source developershttps://github.com/sponsors
Security Labhttps://securitylab.github.com
Maintainer Communityhttps://maintainers.github.com
Acceleratorhttps://github.com/accelerator
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/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%2F94044
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%2Fvoltron%2Fpull_requests_fragments%2Fpull_request_layout&source=header-repo&source_repo=python%2Fcpython
Reloadhttps://github.com/python/cpython/pull/94044
Reloadhttps://github.com/python/cpython/pull/94044
Reloadhttps://github.com/python/cpython/pull/94044
python https://github.com/python
cpythonhttps://github.com/python/cpython
Please reload this pagehttps://github.com/python/cpython/pull/94044
Notifications https://github.com/login?return_to=%2Fpython%2Fcpython
Fork 33.9k https://github.com/login?return_to=%2Fpython%2Fcpython
Star 71.1k https://github.com/login?return_to=%2Fpython%2Fcpython
Code https://github.com/python/cpython
Issues 5k+ https://github.com/python/cpython/issues
Pull requests 2.1k https://github.com/python/cpython/pulls
Actions https://github.com/python/cpython/actions
Projects 31 https://github.com/python/cpython/projects
Security Uh oh! There was an error while loading. Please reload this page. https://github.com/python/cpython/security
Please reload this pagehttps://github.com/python/cpython/pull/94044
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 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
Jump to bottomhttps://github.com/python/cpython/pull/94044#issue-comment-box
sweeneydehttps://github.com/sweeneyde
python:mainhttps://github.com/python/cpython/tree/main
sweeneyde:compile_overflowshttps://github.com/sweeneyde/cpython/tree/compile_overflows
GH-93964: Harden overflow checks before _PyBytes_Resize in compile.c https://github.com/python/cpython/pull/94044#top
sweeneydehttps://github.com/sweeneyde
python:mainhttps://github.com/python/cpython/tree/main
sweeneyde:compile_overflowshttps://github.com/sweeneyde/cpython/tree/compile_overflows
Conversation 4 https://github.com/python/cpython/pull/94044
Commits 8 https://github.com/python/cpython/pull/94044/commits
Checks 0 https://github.com/python/cpython/pull/94044/checks
Files changed https://github.com/python/cpython/pull/94044/files
Please reload this pagehttps://github.com/python/cpython/pull/94044
https://github.co/hiddenchars
https://github.com/python/cpython/pull/{{ revealButtonHref }}
https://github.com/sweeneyde
sweeneydehttps://github.com/sweeneyde
Jun 21, 2022https://github.com/python/cpython/pull/94044#issue-1277725772
Please reload this pagehttps://github.com/python/cpython/pull/94044
#93964https://github.com/python/cpython/issues/93964
Segfault compiling a very large source file #93964https://github.com/python/cpython/issues/93964
Please reload this pagehttps://github.com/python/cpython/pull/94044
https://github.com/sweeneyde
Harden overflow checks before _PyBytes_Resize in compile.chttps://github.com/python/cpython/pull/94044/commits/72ab0f5747bce1376c701956ec20d22306bef4a7
72ab0f5https://github.com/python/cpython/pull/94044/commits/72ab0f5747bce1376c701956ec20d22306bef4a7
https://github.com/sweeneyde
sweeneydehttps://github.com/sweeneyde
markshannonhttps://github.com/markshannon
code ownerhttps://github.com/python/cpython/blob/1603a1029f44f0fdc87c65b02063229962194f84/.github/CODEOWNERS#L21
June 21, 2022 02:49https://github.com/python/cpython/pull/94044#event-6843505750
https://github.com/bedevere-bot
bedevere-bothttps://github.com/bedevere-bot
awaiting core review https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22awaiting%20core%20review%22
Jun 21, 2022https://github.com/python/cpython/pull/94044#event-6843505930
https://github.com/apps/blurb-it
📜🤖 Added by blurb_it.https://github.com/python/cpython/pull/94044/commits/fa9e69dc83859c0353de8dd225bac57ea8460f28
fa9e69dhttps://github.com/python/cpython/pull/94044/commits/fa9e69dc83859c0353de8dd225bac57ea8460f28
https://github.com/sweeneyde
sweeneydehttps://github.com/sweeneyde
June 21, 2022 03:43https://github.com/python/cpython/pull/94044#event-6843788419
https://github.com/sweeneyde
Another test, more commentshttps://github.com/python/cpython/pull/94044/commits/e0054bfc2f2e604356a206e9fe8b34891233451d
e0054bfhttps://github.com/python/cpython/pull/94044/commits/e0054bfc2f2e604356a206e9fe8b34891233451d
https://github.com/sweeneyde
sweeneydehttps://github.com/sweeneyde
June 21, 2022 04:48https://github.com/python/cpython/pull/94044#event-6844081031
https://github.com/sweeneyde
sweeneydehttps://github.com/sweeneyde
needs backport to 3.11 https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22needs%20backport%20to%203.11%22
Jun 21, 2022https://github.com/python/cpython/pull/94044#event-6844170890
https://github.com/sweeneyde
remove unused variablehttps://github.com/python/cpython/pull/94044/commits/e05b51e21631f2dd8ee476f7b0d58dd6229fb0b7
e05b51ehttps://github.com/python/cpython/pull/94044/commits/e05b51e21631f2dd8ee476f7b0d58dd6229fb0b7
https://github.com/markshannon
markshannonhttps://github.com/markshannon
Jun 28, 2022 https://github.com/python/cpython/pull/94044#pullrequestreview-1021531592
View reviewed changes https://github.com/python/cpython/pull/94044/files/e05b51e21631f2dd8ee476f7b0d58dd6229fb0b7
Python/compile.chttps://github.com/python/cpython/pull/94044/files/e05b51e21631f2dd8ee476f7b0d58dd6229fb0b7#diff-ebc983d9f91e5bcf73500e377ac65e85863c4f77fd5b6b6caf4fcdf7c0f0b057
markshannonhttps://github.com/markshannon
Jun 28, 2022https://github.com/python/cpython/pull/94044#discussion_r908338588
Learn morehttps://docs.github.com/articles/managing-disruptive-comments/#hiding-a-comment
Please reload this pagehttps://github.com/python/cpython/pull/94044
sweeneydehttps://github.com/sweeneyde
Jul 26, 2022https://github.com/python/cpython/pull/94044#discussion_r929542368
Learn morehttps://docs.github.com/articles/managing-disruptive-comments/#hiding-a-comment
Please reload this pagehttps://github.com/python/cpython/pull/94044
markshannonhttps://github.com/markshannon
Mar 27, 2023https://github.com/python/cpython/pull/94044#discussion_r1149578787
Learn morehttps://docs.github.com/articles/managing-disruptive-comments/#hiding-a-comment
Please reload this pagehttps://github.com/python/cpython/pull/94044
sweeneydehttps://github.com/sweeneyde
July 25, 2022 23:51https://github.com/python/cpython/pull/94044#commits-pushed-cebc41b
https://github.com/sweeneyde
Merge remote-tracking branch 'upstream/main' into compile_overflowshttps://github.com/python/cpython/pull/94044/commits/cebc41bae2330553433701f8b1473da75096260f
cebc41bhttps://github.com/python/cpython/pull/94044/commits/cebc41bae2330553433701f8b1473da75096260f
https://github.com/sweeneyde
simplify checks by using b_len/unitsize. use INT_MAX..https://github.com/python/cpython/pull/94044/commits/75a08cd7239dcd84de3aaac790001571b227454a
75a08cdhttps://github.com/python/cpython/pull/94044/commits/75a08cd7239dcd84de3aaac790001571b227454a
https://github.com/sweeneyde
re-use b_lenhttps://github.com/python/cpython/pull/94044/commits/7febdc85c35ac6c2dcffde386b21688fc8377feb
7febdc8https://github.com/python/cpython/pull/94044/commits/7febdc85c35ac6c2dcffde386b21688fc8377feb
https://github.com/sweeneyde
remove misleading assertionhttps://github.com/python/cpython/pull/94044/commits/4a708ebde52a4e1e21ab785f36cfb1450ab5c453
4a708ebhttps://github.com/python/cpython/pull/94044/commits/4a708ebde52a4e1e21ab785f36cfb1450ab5c453
https://github.com/sweeneyde
sweeneydehttps://github.com/sweeneyde
Sep 2, 2022 https://github.com/python/cpython/pull/94044#ref-issue-1275404618
Segfault compiling a very large source file #93964 https://github.com/python/cpython/issues/93964
https://github.com/arhadthedev
arhadthedevhttps://github.com/arhadthedev
Apr 25, 2023https://github.com/python/cpython/pull/94044#issuecomment-1522269097
gh-103277https://github.com/python/cpython/pull/103277
@iritkatrielhttps://github.com/iritkatriel
Please reload this pagehttps://github.com/python/cpython/pull/94044
https://github.com/serhiy-storchaka
serhiy-storchakahttps://github.com/serhiy-storchaka
needs backport to 3.12 https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22needs%20backport%20to%203.12%22
needs backport to 3.13 https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22needs%20backport%20to%203.13%22
needs backport to 3.11 https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22needs%20backport%20to%203.11%22
May 9, 2024https://github.com/python/cpython/pull/94044#event-12756663579
https://github.com/serhiy-storchaka
serhiy-storchakahttps://github.com/serhiy-storchaka
needs backport to 3.14 https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22needs%20backport%20to%203.14%22
May 8, 2025https://github.com/python/cpython/pull/94044#event-17573704421
https://github.com/ZeroIntensity
ZeroIntensityhttps://github.com/ZeroIntensity
needs backport to 3.12 https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22needs%20backport%20to%203.12%22
May 29, 2025https://github.com/python/cpython/pull/94044#event-17875127073
Sign up for freehttps://github.com/join?source=comment-repo
Sign in to commenthttps://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fpython%2Fcpython%2Fpull%2F94044
https://github.com/markshannon
markshannon https://github.com/markshannon
https://github.com/python/cpython/pull/94044/files/e05b51e21631f2dd8ee476f7b0d58dd6229fb0b7
awaiting core review https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22awaiting%20core%20review%22
needs backport to 3.13 https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22needs%20backport%20to%203.13%22
needs backport to 3.14 https://github.com/python/cpython/issues?q=state%3Aopen%20label%3A%22needs%20backport%20to%203.14%22
Please reload this pagehttps://github.com/python/cpython/pull/94044
https://github.com/sweeneyde
https://github.com/arhadthedev
https://github.com/markshannon
https://github.com/serhiy-storchaka
https://github.com/bedevere-bot
https://github.com/ZeroIntensity
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.