René's URL Explorer Experiment


Title: Fix JVM crash when Thread::current() returns nullptr (PROF-13072) by jbachorik · Pull Request #461 · DataDog/java-profiler · GitHub

Open Graph Title: Fix JVM crash when Thread::current() returns nullptr (PROF-13072) by jbachorik · Pull Request #461 · DataDog/java-profiler

X Title: Fix JVM crash when Thread::current() returns nullptr (PROF-13072) by jbachorik · Pull Request #461 · DataDog/java-profiler

Description: Contribute to DataDog/java-profiler development by creating an account on GitHub.

Open Graph Description: What does this PR do?: Fixes a JVM crash where Thread::current() returns nullptr inside ASGCT/JFR allocation paths when a profiling signal fires during thread initialization. Motivation: There is a...

X Description: What does this PR do?: Fixes a JVM crash where Thread::current() returns nullptr inside ASGCT/JFR allocation paths when a profiling signal fires during thread initialization. Motivation: There is a...

Opengraph URL: https://github.com/DataDog/java-profiler/pull/461

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-noncev2:5c53dfa3-8be7-e441-eae5-aabc0ea3b835
current-catalog-service-hashae870bc5e265a340912cde392f23dad3671a0a881730ffdadd82f2f57d81641b
request-idC3E0:2C07F4:B2039B:F61FDE:6A4DE21A
html-safe-noncec3ae6a60c2d87b6ad2c63a1d309b77f589efbc531f398f10b1c4187453e19f1f
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiJDM0UwOjJDMDdGNDpCMjAzOUI6RjYxRkRFOjZBNERFMjFBIiwidmlzaXRvcl9pZCI6IjQxNTczOTk5MjQ3ODkzMzg2NTAiLCJyZWdpb25fZWRnZSI6ImlhZCIsInJlZ2lvbl9yZW5kZXIiOiJpYWQifQ==
visitor-hmac6ea8244546f32b4e8beff9405d07df47934edac92fc6c8bc203dbd28b306ab63
hovercard-subject-tagpull_request:3513905437
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/DataDog/java-profiler/461/pull_request_layout
twitter:imagehttps://opengraph.githubassets.com/387127e2cc2fe3cc785d68c4ee72212bf5e81598c3e2bf0375caf98b8bc67110/DataDog/java-profiler/pull/461
twitter:cardsummary_large_image
og:imagehttps://opengraph.githubassets.com/387127e2cc2fe3cc785d68c4ee72212bf5e81598c3e2bf0375caf98b8bc67110/DataDog/java-profiler/pull/461
og:image:altWhat does this PR do?: Fixes a JVM crash where Thread::current() returns nullptr inside ASGCT/JFR allocation paths when a profiling signal fires during thread initialization. Motivation: There is a...
og:image:width1200
og:image:height600
og:site_nameGitHub
og:typeobject
og:author:usernamejbachorik
hostnamegithub.com
expected-hostnamegithub.com
None06b8a6144231bf3a234f1c2e9993861e07ce98a905912b114aa386c2d7e84b33
turbo-cache-controlno-cache
go-importgithub.com/DataDog/java-profiler git https://github.com/DataDog/java-profiler.git
octolytics-dimension-user_id365230
octolytics-dimension-user_loginDataDog
octolytics-dimension-repository_id585532470
octolytics-dimension-repository_nwoDataDog/java-profiler
octolytics-dimension-repository_publictrue
octolytics-dimension-repository_is_forkfalse
octolytics-dimension-repository_network_root_id585532470
octolytics-dimension-repository_network_root_nwoDataDog/java-profiler
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
release1d344bdb7547fe6bca17a59bb2b8aac3dc9532a0
ui-targetfull
theme-color#1e2327
color-schemelight dark

Links:

Skip to contenthttps://github.com/DataDog/java-profiler/pull/461#start-of-content
https://github.com/
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2FDataDog%2Fjava-profiler%2Fpull%2F461
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/sponsors
Security Labhttps://securitylab.github.com
Maintainer Communityhttps://maintainers.github.com
Acceleratorhttps://github.com/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/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%2FDataDog%2Fjava-profiler%2Fpull%2F461
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=DataDog%2Fjava-profiler
Reloadhttps://github.com/DataDog/java-profiler/pull/461
Reloadhttps://github.com/DataDog/java-profiler/pull/461
Reloadhttps://github.com/DataDog/java-profiler/pull/461
Please reload this pagehttps://github.com/DataDog/java-profiler/pull/461
DataDog https://github.com/DataDog
java-profilerhttps://github.com/DataDog/java-profiler
Notifications https://github.com/login?return_to=%2FDataDog%2Fjava-profiler
Fork 12 https://github.com/login?return_to=%2FDataDog%2Fjava-profiler
Star 32 https://github.com/login?return_to=%2FDataDog%2Fjava-profiler
Code https://github.com/DataDog/java-profiler
Issues 8 https://github.com/DataDog/java-profiler/issues
Pull requests 14 https://github.com/DataDog/java-profiler/pulls
Actions https://github.com/DataDog/java-profiler/actions
Security and quality 0 https://github.com/DataDog/java-profiler/security
Insights https://github.com/DataDog/java-profiler/pulse
Code https://github.com/DataDog/java-profiler
Issues https://github.com/DataDog/java-profiler/issues
Pull requests https://github.com/DataDog/java-profiler/pulls
Actions https://github.com/DataDog/java-profiler/actions
Security and quality https://github.com/DataDog/java-profiler/security
Insights https://github.com/DataDog/java-profiler/pulse
jbachorikhttps://github.com/jbachorik
mainhttps://github.com/DataDog/java-profiler/tree/main
jb/prof-13072-thread-current-nullptr-fixhttps://github.com/DataDog/java-profiler/tree/jb/prof-13072-thread-current-nullptr-fix
Conversationhttps://github.com/DataDog/java-profiler/pull/461
Commits4 (4)https://github.com/DataDog/java-profiler/pull/461/commits
Checkshttps://github.com/DataDog/java-profiler/pull/461/checks
Files changedhttps://github.com/DataDog/java-profiler/pull/461/files
Fix JVM crash when Thread::current() returns nullptr (PROF-13072)https://github.com/DataDog/java-profiler/pull/461#top
jbachorikhttps://github.com/jbachorik
mainhttps://github.com/DataDog/java-profiler/tree/main
jb/prof-13072-thread-current-nullptr-fixhttps://github.com/DataDog/java-profiler/tree/jb/prof-13072-thread-current-nullptr-fix
https://github.com/jbachorik
jbachorikhttps://github.com/jbachorik
Apr 10, 2026https://github.com/DataDog/java-profiler/pull/461#issue-4239161879
Please reload this pagehttps://github.com/DataDog/java-profiler/pull/461
https://github.com/DataDog/java-profiler/tree/zgu/ctx_benchmarkhttps://github.com/DataDog/java-profiler/tree/zgu/ctx_benchmark
PROF-13072https://datadoghq.atlassian.net/browse/PROF-13072
Please reload this pagehttps://github.com/DataDog/java-profiler/pull/461
https://github.com/jbachorik
https://github.com/claude
Fix JVM crash when Thread::current() returns nullptr (PROF-13072)https://github.com/DataDog/java-profiler/pull/461/commits/009ab9040c1eae818f41dd655a77a5c5efe50f28
009ab90https://github.com/DataDog/java-profiler/pull/461/commits/009ab9040c1eae818f41dd655a77a5c5efe50f28
https://github.com/jbachorik
jbachorikhttps://github.com/jbachorik
AI https://github.com/DataDog/java-profiler/issues?q=state%3Aopen%20label%3AAI
Apr 10, 2026https://github.com/DataDog/java-profiler/pull/461#event-24379907877
https://github.com/jbachorik
https://github.com/claude
Fix native thread sample regression from PROF-13072 guardhttps://github.com/DataDog/java-profiler/pull/461/commits/abf7845d175e869c7ac1006e2a0b2cc98ab1e985
abf7845https://github.com/DataDog/java-profiler/pull/461/commits/abf7845d175e869c7ac1006e2a0b2cc98ab1e985
https://github.com/apps/dd-octo-sts
dd-octo-stshttps://github.com/apps/dd-octo-sts
Apr 10, 2026https://github.com/DataDog/java-profiler/pull/461#issuecomment-4224017888
Please reload this pagehttps://github.com/DataDog/java-profiler/pull/461
#24660692806https://github.com/DataDog/java-profiler/actions/runs/24660692806
✅https://github.com/DataDog/java-profiler/actions/runs/24660692806/job/72106022087
✅https://github.com/DataDog/java-profiler/actions/runs/24660692806/job/72106022080
✅https://github.com/DataDog/java-profiler/actions/runs/24660692806/job/72106022004
✅https://github.com/DataDog/java-profiler/actions/runs/24660692806/job/72106022090
✅https://github.com/DataDog/java-profiler/actions/runs/24660692806/job/72106021925
✅https://github.com/DataDog/java-profiler/actions/runs/24660692806/job/72106021921
✅https://github.com/DataDog/java-profiler/actions/runs/24660692806/job/72106022083
✅https://github.com/DataDog/java-profiler/actions/runs/24660692806/job/72106022103
✅https://github.com/DataDog/java-profiler/actions/runs/24660692806/job/72106022014
✅https://github.com/DataDog/java-profiler/actions/runs/24660692806/job/72106022118
✅https://github.com/DataDog/java-profiler/actions/runs/24660692806/job/72106021933
✅https://github.com/DataDog/java-profiler/actions/runs/24660692806/job/72106021935
✅https://github.com/DataDog/java-profiler/actions/runs/24660692806/job/72106021992
✅https://github.com/DataDog/java-profiler/actions/runs/24660692806/job/72106022082
✅https://github.com/DataDog/java-profiler/actions/runs/24660692806/job/72106022050
✅https://github.com/DataDog/java-profiler/actions/runs/24660692806/job/72106022101
✅https://github.com/DataDog/java-profiler/actions/runs/24660692806/job/72106021978
✅https://github.com/DataDog/java-profiler/actions/runs/24660692806/job/72106022106
✅https://github.com/DataDog/java-profiler/actions/runs/24660692806/job/72106022005
✅https://github.com/DataDog/java-profiler/actions/runs/24660692806/job/72106021913
✅https://github.com/DataDog/java-profiler/actions/runs/24660692806/job/72106022051
✅https://github.com/DataDog/java-profiler/actions/runs/24660692806/job/72106022108
✅https://github.com/DataDog/java-profiler/actions/runs/24660692806/job/72106022036
✅https://github.com/DataDog/java-profiler/actions/runs/24660692806/job/72106022100
✅https://github.com/DataDog/java-profiler/actions/runs/24660692806/job/72106022121
✅https://github.com/DataDog/java-profiler/actions/runs/24660692806/job/72106021917
✅https://github.com/DataDog/java-profiler/actions/runs/24660692806/job/72106022105
✅https://github.com/DataDog/java-profiler/actions/runs/24660692806/job/72106022114
✅https://github.com/DataDog/java-profiler/actions/runs/24660692806/job/72106022049
✅https://github.com/DataDog/java-profiler/actions/runs/24660692806/job/72106022115
✅https://github.com/DataDog/java-profiler/actions/runs/24660692806/job/72106021945
✅https://github.com/DataDog/java-profiler/actions/runs/24660692806/job/72106021909
Please reload this pagehttps://github.com/DataDog/java-profiler/pull/461
https://github.com/jbachorik
https://github.com/claude
Fix stack-guard corruption on musl/aarch64/jdk11 (PROF-13072)https://github.com/DataDog/java-profiler/pull/461/commits/369c788e0071df53113471941fae0f3fbea68195
369c788https://github.com/DataDog/java-profiler/pull/461/commits/369c788e0071df53113471941fae0f3fbea68195
https://github.com/jbachorik
jbachorikhttps://github.com/jbachorik
April 10, 2026 16:31https://github.com/DataDog/java-profiler/pull/461#event-24387898083
https://github.com/jbachorik
jbachorikhttps://github.com/jbachorik
code ownerhttps://github.com/DataDog/java-profiler/blob/b09781e07e47bd67bb49395ee48e164c198328e4/.github/CODEOWNERS#L4
April 10, 2026 16:31https://github.com/DataDog/java-profiler/pull/461#event-24387898404
https://github.com/kaahos
kaahoshttps://github.com/kaahos
Apr 20, 2026 https://github.com/DataDog/java-profiler/pull/461#pullrequestreview-4138781773
View reviewed changes https://github.com/DataDog/java-profiler/pull/461/files/369c788e0071df53113471941fae0f3fbea68195
kaahoshttps://github.com/kaahos
https://github.com/DataDog/java-profiler/pull/461#pullrequestreview-4138781773
Learn morehttps://docs.github.com/articles/managing-disruptive-comments/#hiding-a-comment
Please reload this pagehttps://github.com/DataDog/java-profiler/pull/461
ddprof-lib/src/main/cpp/libraryPatcher_linux.cpphttps://github.com/DataDog/java-profiler/pull/461/files/369c788e0071df53113471941fae0f3fbea68195#diff-1239cbd8b247da4aff5cf73fc8cbbb46cc58d283615b2aae92954a1457f99614
Please reload this pagehttps://github.com/DataDog/java-profiler/pull/461
ddprof-lib/src/main/cpp/thread.hhttps://github.com/DataDog/java-profiler/pull/461/files/369c788e0071df53113471941fae0f3fbea68195#diff-4023434550633a0c809667425a167bed260ac3be4420db106cd6e73550c137bb
Please reload this pagehttps://github.com/DataDog/java-profiler/pull/461
https://github.com/jbachorik
https://github.com/claude
address review: null-guard currentSignalSafe, fold tid into blocker, …https://github.com/DataDog/java-profiler/pull/461/commits/4cdb7fa33f53897833f2f8dd411141d4ede70167
4cdb7fahttps://github.com/DataDog/java-profiler/pull/461/commits/4cdb7fa33f53897833f2f8dd411141d4ede70167
https://github.com/jbachorik
jbachorikhttps://github.com/jbachorik
kaahoshttps://github.com/kaahos
April 20, 2026 10:05https://github.com/DataDog/java-profiler/pull/461#event-24671958053
https://github.com/jbachorik
jbachorikhttps://github.com/jbachorik
AI: Author Signed-off https://github.com/DataDog/java-profiler/issues?q=state%3Aopen%20label%3A%22AI%3A%20Author%20Signed-off%22
Apr 20, 2026https://github.com/DataDog/java-profiler/pull/461#event-24672042526
https://github.com/kaahos
kaahoshttps://github.com/kaahos
Apr 20, 2026 https://github.com/DataDog/java-profiler/pull/461#pullrequestreview-4139427361
View reviewed changes https://github.com/DataDog/java-profiler/pull/461/files/4cdb7fa33f53897833f2f8dd411141d4ede70167
kaahoshttps://github.com/kaahos
https://github.com/DataDog/java-profiler/pull/461#pullrequestreview-4139427361
Learn morehttps://docs.github.com/articles/managing-disruptive-comments/#hiding-a-comment
Please reload this pagehttps://github.com/DataDog/java-profiler/pull/461
https://github.com/jbachorik
jbachorikhttps://github.com/jbachorik
693caf2https://github.com/DataDog/java-profiler/commit/693caf29702e7895683e976976fd54ff754d240e
Apr 20, 2026https://github.com/DataDog/java-profiler/pull/461#event-24674905895
Please reload this pagehttps://github.com/DataDog/java-profiler/pull/461
https://github.com/jbachorik
jbachorikhttps://github.com/jbachorik
April 20, 2026 11:39https://github.com/DataDog/java-profiler/pull/461#event-24674907184
https://github.com/apps/github-actions
github-actionshttps://github.com/apps/github-actions
1.41.0https://github.com/DataDog/java-profiler/milestone/48
Apr 20, 2026https://github.com/DataDog/java-profiler/pull/461#event-24674910684
https://github.co/hiddenchars
https://github.com/DataDog/java-profiler/pull/{{ revealButtonHref }}
Sign up for freehttps://github.com/join?source=comment-repo
Sign in to commenthttps://github.com/login?return_to=https%3A%2F%2Fgithub.com%2FDataDog%2Fjava-profiler%2Fpull%2F461
https://github.com/kaahos
kaahos https://github.com/kaahos
https://github.com/DataDog/java-profiler/pull/461/files/4cdb7fa33f53897833f2f8dd411141d4ede70167
AI: Author Signed-off https://github.com/DataDog/java-profiler/issues?q=state%3Aopen%20label%3A%22AI%3A%20Author%20Signed-off%22
AI https://github.com/DataDog/java-profiler/issues?q=state%3Aopen%20label%3AAI
1.41.0 https://github.com/DataDog/java-profiler/milestone/48
Please reload this pagehttps://github.com/DataDog/java-profiler/pull/461
https://github.com/jbachorik
https://github.com/kaahos
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.