Connect_Parallel_FailsOver Assert.NotNull() 测试失败

Build Information

Build: https://dev.Azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1599506 Build error leg or test failing: System.Net.Sockets.Tests.SocketAsyncEventArgsTest.Connect_Parallel_FailsOver Pull Request: https://GitHub.com/dotnet/runtime/pull/133058

Error Message

System.Net.Sockets.Tests.SocketAsyncEventArgsTest.Connect_Parallel_FailsOver(preferIPv6: True) [FAIL] Assert.NotNull() Failure: Value is null Stack Trace: //src/libraries/System.Net.Sockets/tests/FunctionalTests/SocketAsyncEventArgsTest.cs(1183,0): at System.Net.Sockets.Tests.SocketAsyncEventArgsTest.Connect_Parallel_FailsOver(Boolean preferIPv6) //src/mono/System.Private.CoreLib/src/System/Reflection/MethodBaseInvoker.Mono.cs(22,0): at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args) /_/src/libraries/System.Private.CoreLib/src/System/Reflection/MethodBaseInvoker.cs(174,0): at System.Reflection.MethodBaseInvoker.InvokeDirectByRefWithFewArgs(Object obj, Span`1 copyOfArgs, BindingFlags invokeAttr) DO NOT USE JSON BELOW IF THIS IS A BUILD BREAK otherwise build analysis will allow pull requests to merge that break the build worse. For a build break, do not use this issue form. Make a regular new issue. Fill the error message using step by step known issues guidance.

{
  "ErrorMessage": ["Connect_Parallel_FailsOver(preferIPv6: True) [FAIL]", "Assert.NotNull() Failure: Value is null"],
  "ErrorPattern": "",
  "BuildRetry": false,
  "ExcludeConsoleLog": false
}

Known issue validation

Build: :mag_right: https://dev.Azure.com/dnceng-public/public/_build/results?buildId=1599506 Error message validated: [Connect_Parallel_FailsOver(preferIPv6: True) [FAIL] Assert.NotNull() Failure: Value is null] Result validation: :white_check_mark: Known issue matched with the provided build. Validation performed at: 9/16/2026 9:22:32 PM UTC

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