René's URL Explorer Experiment


Title: fix(wallclock): add signal-origin guard to WallClockJvmti by jbachorik · Pull Request #569 · DataDog/java-profiler · GitHub

Open Graph Title: fix(wallclock): add signal-origin guard to WallClockJvmti by jbachorik · Pull Request #569 · DataDog/java-profiler

X Title: fix(wallclock): add signal-origin guard to WallClockJvmti by jbachorik · Pull Request #569 · DataDog/java-profiler

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

Open Graph Description: What does this PR do?: Port the signal-origin defence from WallClockASGCT to WallClockJvmti. Without this, any foreign SIGVTALRM (debugger, in-process tgkill, external sigqueue) was accepted uncond...

X Description: What does this PR do?: Port the signal-origin defence from WallClockASGCT to WallClockJvmti. Without this, any foreign SIGVTALRM (debugger, in-process tgkill, external sigqueue) was accepted uncond...

Opengraph URL: https://github.com/DataDog/java-profiler/pull/569

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:f77cca08-d153-6946-7b30-90e166ac31e5
current-catalog-service-hashae870bc5e265a340912cde392f23dad3671a0a881730ffdadd82f2f57d81641b
request-idD0FC:1E49FF:7F5FCB:AE2022:6A4D6B96
html-safe-noncedfaf96decdd4d219bacd88b7d6407be4452139b26a8ef8a5d7afb5ce8904c699
visitor-payloadeyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiJEMEZDOjFFNDlGRjo3RjVGQ0I6QUUyMDIyOjZBNEQ2Qjk2IiwidmlzaXRvcl9pZCI6Ijc1Nzc4NDcwNzY4NTcxNDYyNjIiLCJyZWdpb25fZWRnZSI6ImlhZCIsInJlZ2lvbl9yZW5kZXIiOiJpYWQifQ==
visitor-hmac4858fdcff9505f7bcc9dc2d9f98b4498c51170d667597eee4dbd8271a2c5cf94
hovercard-subject-tagpull_request:3781091636
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/569/pull_request_layout
twitter:imagehttps://opengraph.githubassets.com/a0d5cccc5bc9ea83c41b32aab600e07bd336b7318737bd7a1d8531ca6d6ea210/DataDog/java-profiler/pull/569
twitter:cardsummary_large_image
og:imagehttps://opengraph.githubassets.com/a0d5cccc5bc9ea83c41b32aab600e07bd336b7318737bd7a1d8531ca6d6ea210/DataDog/java-profiler/pull/569
og:image:altWhat does this PR do?: Port the signal-origin defence from WallClockASGCT to WallClockJvmti. Without this, any foreign SIGVTALRM (debugger, in-process tgkill, external sigqueue) was accepted uncond...
og:image:width1200
og:image:height600
og:site_nameGitHub
og:typeobject
og:author:usernamejbachorik
hostnamegithub.com
expected-hostnamegithub.com
None7db3950e3f59095e20a9789440c3dd554efc62d434882ead06ae05b5815605b9
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
releasecd8f6a71db61d6012a0cbb134be844fdbe9b8a45
ui-targetfull
theme-color#1e2327
color-schemelight dark

Links:

Skip to contenthttps://github.com/DataDog/java-profiler/pull/569#start-of-content
https://github.com/
Sign in https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2FDataDog%2Fjava-profiler%2Fpull%2F569
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%2F569
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/569
Reloadhttps://github.com/DataDog/java-profiler/pull/569
Reloadhttps://github.com/DataDog/java-profiler/pull/569
Please reload this pagehttps://github.com/DataDog/java-profiler/pull/569
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-14753-wallclock-jvmti-signal-originhttps://github.com/DataDog/java-profiler/tree/jb/prof-14753-wallclock-jvmti-signal-origin
Conversationhttps://github.com/DataDog/java-profiler/pull/569
Commits2 (2)https://github.com/DataDog/java-profiler/pull/569/commits
Checkshttps://github.com/DataDog/java-profiler/pull/569/checks
Files changedhttps://github.com/DataDog/java-profiler/pull/569/files
fix(wallclock): add signal-origin guard to WallClockJvmtihttps://github.com/DataDog/java-profiler/pull/569#top
jbachorikhttps://github.com/jbachorik
mainhttps://github.com/DataDog/java-profiler/tree/main
jb/prof-14753-wallclock-jvmti-signal-originhttps://github.com/DataDog/java-profiler/tree/jb/prof-14753-wallclock-jvmti-signal-origin
https://github.com/jbachorik
jbachorikhttps://github.com/jbachorik
Jun 1, 2026https://github.com/DataDog/java-profiler/pull/569#issue-4563288516
Please reload this pagehttps://github.com/DataDog/java-profiler/pull/569
PROF-14753https://datadoghq.atlassian.net/browse/PROF-14753
Please reload this pagehttps://github.com/DataDog/java-profiler/pull/569
https://github.com/jbachorik
https://github.com/claude
fix(wallclock): add signal-origin guard to WallClockJvmtihttps://github.com/DataDog/java-profiler/pull/569/commits/23acbdbdeb8b67db8b94804769e264aa840f24b2
23acbdbhttps://github.com/DataDog/java-profiler/pull/569/commits/23acbdbdeb8b67db8b94804769e264aa840f24b2
https://github.com/jbachorik
jbachorikhttps://github.com/jbachorik
AI https://github.com/DataDog/java-profiler/issues?q=state%3Aopen%20label%3AAI
Jun 1, 2026https://github.com/DataDog/java-profiler/pull/569#event-26188174685
https://github.com/jbachorik
jbachorikhttps://github.com/jbachorik
Copilothttps://github.com/apps/copilot-pull-request-reviewer
June 1, 2026 13:10https://github.com/DataDog/java-profiler/pull/569#event-26188595422
started reviewinghttps://github.com/DataDog/java-profiler/sessions/4fb2fae2-ca67-4f7c-8f67-810a19445f21
jbachorikhttps://github.com/jbachorik
June 1, 2026 13:11https://github.com/DataDog/java-profiler/pull/569#event-26188603578
View session https://github.com/DataDog/java-profiler/sessions/4fb2fae2-ca67-4f7c-8f67-810a19445f21
https://github.com/apps/copilot-pull-request-reviewer
Copilothttps://github.com/apps/copilot-pull-request-reviewer
Jun 1, 2026 https://github.com/DataDog/java-profiler/pull/569#pullrequestreview-4401457077
View reviewed changes https://github.com/DataDog/java-profiler/pull/569/files/23acbdbdeb8b67db8b94804769e264aa840f24b2
Copilothttps://github.com/apps/copilot-pull-request-reviewer
https://github.com/DataDog/java-profiler/pull/569#pullrequestreview-4401457077
Learn morehttps://docs.github.com/articles/managing-disruptive-comments/#hiding-a-comment
Add Copilot custom instructionshttps://github.com/DataDog/java-profiler/new/main?filename=.github/instructions/*.instructions.md
Learn how to get startedhttps://docs.github.com/en/copilot/customizing-copilot/adding-repository-custom-instructions-for-github-copilot
Please reload this pagehttps://github.com/DataDog/java-profiler/pull/569
https://github.com/apps/dd-octo-sts
dd-octo-stshttps://github.com/apps/dd-octo-sts
Jun 1, 2026https://github.com/DataDog/java-profiler/pull/569#issuecomment-4592931538
Please reload this pagehttps://github.com/DataDog/java-profiler/pull/569
#26759293779https://github.com/DataDog/java-profiler/actions/runs/26759293779
https://github.com/DataDog/java-profiler/actions/runs/26759293779/job/78868402442
https://github.com/DataDog/java-profiler/actions/runs/26759293779/job/78868402460
https://github.com/DataDog/java-profiler/actions/runs/26759293779/job/78868402324
https://github.com/DataDog/java-profiler/actions/runs/26759293779/job/78868402447
https://github.com/DataDog/java-profiler/actions/runs/26759293779/job/78868402289
https://github.com/DataDog/java-profiler/actions/runs/26759293779/job/78868402320
https://github.com/DataDog/java-profiler/actions/runs/26759293779/job/78868402478
https://github.com/DataDog/java-profiler/actions/runs/26759293779/job/78868402461
https://github.com/DataDog/java-profiler/actions/runs/26759293779/job/78868402349
https://github.com/DataDog/java-profiler/actions/runs/26759293779/job/78868402577
https://github.com/DataDog/java-profiler/actions/runs/26759293779/job/78868402306
https://github.com/DataDog/java-profiler/actions/runs/26759293779/job/78868402333
https://github.com/DataDog/java-profiler/actions/runs/26759293779/job/78868402416
https://github.com/DataDog/java-profiler/actions/runs/26759293779/job/78868402517
https://github.com/DataDog/java-profiler/actions/runs/26759293779/job/78868402391
https://github.com/DataDog/java-profiler/actions/runs/26759293779/job/78868402514
https://github.com/DataDog/java-profiler/actions/runs/26759293779/job/78868402430
https://github.com/DataDog/java-profiler/actions/runs/26759293779/job/78868402556
https://github.com/DataDog/java-profiler/actions/runs/26759293779/job/78868402322
https://github.com/DataDog/java-profiler/actions/runs/26759293779/job/78868402312
https://github.com/DataDog/java-profiler/actions/runs/26759293779/job/78868402309
https://github.com/DataDog/java-profiler/actions/runs/26759293779/job/78868402489
https://github.com/DataDog/java-profiler/actions/runs/26759293779/job/78868402390
https://github.com/DataDog/java-profiler/actions/runs/26759293779/job/78868402729
https://github.com/DataDog/java-profiler/actions/runs/26759293779/job/78868402352
https://github.com/DataDog/java-profiler/actions/runs/26759293779/job/78868402407
https://github.com/DataDog/java-profiler/actions/runs/26759293779/job/78868402311
https://github.com/DataDog/java-profiler/actions/runs/26759293779/job/78868402482
https://github.com/DataDog/java-profiler/actions/runs/26759293779/job/78868402495
https://github.com/DataDog/java-profiler/actions/runs/26759293779/job/78868402584
https://github.com/DataDog/java-profiler/actions/runs/26759293779/job/78868402386
https://github.com/DataDog/java-profiler/actions/runs/26759293779/job/78868402305
Please reload this pagehttps://github.com/DataDog/java-profiler/pull/569
https://github.com/jbachorik
jbachorikhttps://github.com/jbachorik
June 1, 2026 13:19https://github.com/DataDog/java-profiler/pull/569#event-26188915702
https://github.com/jbachorik
jbachorikhttps://github.com/jbachorik
code ownerhttps://github.com/DataDog/java-profiler/blob/2fa032f85f080e60c7ea21e96dcaceef57f303de/.github/CODEOWNERS#L4
June 1, 2026 13:19https://github.com/DataDog/java-profiler/pull/569#event-26188916244
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
Jun 1, 2026https://github.com/DataDog/java-profiler/pull/569#event-26188921739
https://github.com/apps/chatgpt-codex-connector
chatgpt-codex-connectorhttps://github.com/apps/chatgpt-codex-connector
Jun 1, 2026 https://github.com/DataDog/java-profiler/pull/569#pullrequestreview-4401527002
View reviewed changes https://github.com/DataDog/java-profiler/pull/569/files/23acbdbdeb8b67db8b94804769e264aa840f24b2
chatgpt-codex-connectorhttps://github.com/apps/chatgpt-codex-connector
https://github.com/DataDog/java-profiler/pull/569#pullrequestreview-4401527002
Learn morehttps://docs.github.com/articles/managing-disruptive-comments/#hiding-a-comment
Your team has set up Codex to review pull requests in this repohttps://chatgpt.com/codex/cloud/settings/general
@codexhttps://github.com/codex
@codexhttps://github.com/codex
Please reload this pagehttps://github.com/DataDog/java-profiler/pull/569
ddprof-lib/src/main/cpp/wallClock.cpphttps://github.com/DataDog/java-profiler/pull/569/files/23acbdbdeb8b67db8b94804769e264aa840f24b2#diff-a368edb3b62aef3c92f4e699fc69e1a6fabed5d158b808dabda9af2018073dda
Please reload this pagehttps://github.com/DataDog/java-profiler/pull/569
https://github.com/jbachorik
fix(wallclock): release signal guard before forwarding foreign signalhttps://github.com/DataDog/java-profiler/pull/569/commits/d6d582a86959a978c2a3a07e5c673b9f9c3b2cbb
d6d582ahttps://github.com/DataDog/java-profiler/pull/569/commits/d6d582a86959a978c2a3a07e5c673b9f9c3b2cbb
https://github.com/jbachorik
jbachorikhttps://github.com/jbachorik
force-pushedhttps://github.com/DataDog/java-profiler/compare/724f8cbc6355913e55ebbc383e11b56645222e5a..d6d582a86959a978c2a3a07e5c673b9f9c3b2cbb
724f8cbhttps://github.com/DataDog/java-profiler/commit/724f8cbc6355913e55ebbc383e11b56645222e5a
d6d582ahttps://github.com/DataDog/java-profiler/commit/d6d582a86959a978c2a3a07e5c673b9f9c3b2cbb
Compare https://github.com/DataDog/java-profiler/compare/724f8cbc6355913e55ebbc383e11b56645222e5a..d6d582a86959a978c2a3a07e5c673b9f9c3b2cbb
June 1, 2026 13:53https://github.com/DataDog/java-profiler/pull/569#event-26190343095
https://github.com/kaahos
kaahoshttps://github.com/kaahos
Jun 1, 2026 https://github.com/DataDog/java-profiler/pull/569#pullrequestreview-4402151930
View reviewed changes https://github.com/DataDog/java-profiler/pull/569/files/d6d582a86959a978c2a3a07e5c673b9f9c3b2cbb
kaahoshttps://github.com/kaahos
https://github.com/DataDog/java-profiler/pull/569#pullrequestreview-4402151930
Learn morehttps://docs.github.com/articles/managing-disruptive-comments/#hiding-a-comment
Please reload this pagehttps://github.com/DataDog/java-profiler/pull/569
https://github.com/jbachorik
jbachorikhttps://github.com/jbachorik
8c433d5https://github.com/DataDog/java-profiler/commit/8c433d53d616bab99360694917c60229e77b1cfd
Jun 2, 2026https://github.com/DataDog/java-profiler/pull/569#event-26220655693
Please reload this pagehttps://github.com/DataDog/java-profiler/pull/569
https://github.com/jbachorik
jbachorikhttps://github.com/jbachorik
June 2, 2026 05:36https://github.com/DataDog/java-profiler/pull/569#event-26220657003
https://github.com/apps/github-actions
github-actionshttps://github.com/apps/github-actions
1.45.0https://github.com/DataDog/java-profiler/milestone/53
Jun 2, 2026https://github.com/DataDog/java-profiler/pull/569#event-26220660890
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%2F569
Copilot code review https://github.com/apps/copilot-pull-request-reviewer
Copilot https://github.com/apps/copilot-pull-request-reviewer
https://github.com/DataDog/java-profiler/pull/569/files/23acbdbdeb8b67db8b94804769e264aa840f24b2
https://github.com/apps/chatgpt-codex-connector
chatgpt-codex-connector[bot] https://github.com/apps/chatgpt-codex-connector
https://github.com/DataDog/java-profiler/pull/569/files/23acbdbdeb8b67db8b94804769e264aa840f24b2
https://github.com/kaahos
kaahos https://github.com/kaahos
https://github.com/DataDog/java-profiler/pull/569/files/d6d582a86959a978c2a3a07e5c673b9f9c3b2cbb
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
1.45.0 https://github.com/DataDog/java-profiler/milestone/53
Please reload this pagehttps://github.com/DataDog/java-profiler/pull/569
https://github.com/jbachorik
https://github.com/kaahos
https://github.com/apps/copilot-pull-request-reviewer
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.