CI failure on 8.0 on macOS: System.Net.Http.Functional.Tests aborted

[svick]

Build Information

Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1541212
Build error leg or test failing: System.Net.Http.Functional.Tests.WorkItemExecution
Pull request: #131888

Error Message

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Fill the error message using step by step known issues guidance.

{
  "ErrorMessage": ["Starting:    System.Net.Http.Functional.Tests", "Abort trap: 6"],
  "BuildRetry": false,
  "ExcludeConsoleLog": false
}

/private/tmp/helix/working/B0030974/w/B7790A0F/e /private/tmp/helix/working/B0030974/w/B7790A0F/e
  Discovering: System.Net.Http.Functional.Tests (method display = ClassAndMethod, method display options = None)
  Discovered:  System.Net.Http.Functional.Tests (found 1349 of 1793 test cases)
  Starting:    System.Net.Http.Functional.Tests (parallel test collections = on, max threads = 6)
    System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClient_SelectedSites_Test.RetrieveSite_Succeeds [SKIP]
      Condition(s) not met: "IsSelectedSitesTestEnabled"
    System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClient_SelectedSites_Test.RetrieveSite_Debug_Helper [SKIP]
      Condition(s) not met: "IsSelectedSitesTestEnabled"
    System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientEKUTest.HttpClient_ClientEKUServerAuth_Fails [SKIP]
      Condition(s) not met: "CanTestCertificates"
    System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientEKUTest.HttpClient_NoEKUServerAuth_Ok [SKIP]
      Condition(s) not met: "CanTestCertificates"
    System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientEKUTest.HttpClient_NoEKUClientAuth_Ok [SKIP]
      Condition(s) not met: "CanTestCertificates"
    System.Net.Http.Functional.Tests.SocketsHttpHandler_HttpClientEKUTest.HttpClient_ServerEKUClientAuth_Fails [SKIP]
      Condition(s) not met: "CanTestCertificates"
    System.Net.Http.Functional.Tests.SyncHttpHandler_HttpClientHandler_Authentication_Test.Credentials_ServerUsesWindowsAuthentication_Success [SKIP]
      Condition(s) not met: "IsWindowsServerAvailable"
./RunTests.sh: line 168: 80584 Abort trap: 6           "$RUNTIME_PATH/dotnet" exec --runtimeconfig System.Net.Http.Functional.Tests.runtimeconfig.json --depsfile System.Net.Http.Functional.Tests.deps.json xunit.console.dll System.Net.Http.Functional.Tests.dll -xml testResults.xml -nologo -nocolor -notrait category=IgnoreForCI -notrait category=OuterLoop -notrait category=failing $RSP_FILE
/private/tmp/helix/working/B0030974/w/B7790A0F/e
----- end Wed Aug 5 11:24:16 PDT 2026 ----- exit code 134 ----------------------------------------------------------
exit code 134 means SIGABRT Abort. Managed or native assert, or runtime check such as heap corruption, caused call to abort(). Core dumped.
ulimit -c value: 0

Known issue validation

Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1541212
Error message validated: [Starting: System.Net.Http.Functional.Tests Abort trap: 6]
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 8/6/2026 1:29:21 PM UTC

Report

Build	Repository	Test	Pull Request
1541212	dotnet/runtime	System.Net.Http.Functional.Tests.WorkItemExecution	#131888

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
1	1	1

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I'm a bot. Here is a possible related and/or duplicate issue (I may be wrong):

• SIGABRT in System.Net.Http.Functional.Tests on macOS 14 #125150