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QuicStreamTests.WaitForReadsClosedAsync_ServerReadAborted_Throws failed with timeout #131950

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QuicStreamTests.WaitForReadsClosedAsync_ServerReadAborted_Throws failed with timeout#131950
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Known Build ErrorUse this to report build issues in the .NET Helix tabarea-System.Net.Quictest-bugProblem in test source code (most likely)
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Future

Description

@svick
svick
opened on Aug 6, 2026

Build Information

Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1541017
Build error leg or test failing: System.Net.Quic.Tests.QuicStreamTests.WaitForReadsClosedAsync_ServerReadAborted_Throws
Pull request: #131876

Error Message

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": ["QuicStreamTests.WaitForReadsClosedAsync_ServerReadAborted_Throws [FAIL]", "QuicException : The connection timed out from inactivity."],
  "BuildRetry": false,
  "ExcludeConsoleLog": false
}
  Starting:    System.Net.Quic.Functional.Tests (parallel test collections = on [6 threads], stop on fail = off)
MsQuic supported and using 'libmsquic.dylib 2.5.5.0 (b3945bb0c9e44463c93dac13e40975a7c3a526ca)' (OpenSSL).
    System.Net.Quic.Tests.MsQuicPlatformDetectionTests.UnsupportedPlatforms_ThrowsPlatformNotSupportedException [SKIP]
      Condition(s) not met: "IsQuicUnsupported"
    System.Net.Quic.Tests.MsQuicTests.QuicRootedConnectionGetsReleased_ConnectFails [SKIP]
      Condition(s) not met: "IsNotMonoRuntime"
    System.Net.Quic.Tests.MsQuicTests.QuicRootedObjectGetReleased [SKIP]
      Condition(s) not met: "IsNotMonoRuntime"
    System.Net.Quic.Tests.QuicStreamTests.WaitForReadsClosedAsync_ServerReadAborted_Throws [FAIL]
      System.Net.Quic.QuicException : The connection timed out from inactivity.
      Stack Trace:
        /_/src/libraries/System.Net.Quic/src/System/Net/Quic/QuicConnection.cs(654,0): at System.Net.Quic.QuicConnection.HandleEventShutdownInitiatedByTransport(_SHUTDOWN_INITIATED_BY_TRANSPORT_e__Struct& data)
        /_/src/libraries/System.Net.Quic/src/System/Net/Quic/QuicConnection.cs(768,0): at System.Net.Quic.QuicConnection.HandleConnectionEvent(QUIC_CONNECTION_EVENT& connectionEvent)
        /_/src/libraries/System.Net.Quic/src/System/Net/Quic/QuicConnection.cs(803,0): at System.Net.Quic.QuicConnection.NativeCallback(QUIC_HANDLE* connection, Void* context, QUIC_CONNECTION_EVENT* connectionEvent)
        --- End of stack trace from previous location ---
        /_/src/libraries/System.Net.Quic/src/System/Net/Quic/Internal/ValueTaskSource.cs(176,0): at System.Net.Quic.ValueTaskSource.System.Threading.Tasks.Sources.IValueTaskSource.GetResult(Int16 token)
        /_/src/libraries/System.Net.Quic/src/System/Net/Quic/QuicConnection.cs(449,0): at System.Net.Quic.QuicConnection.FinishConnectAsync(QuicClientConnectionOptions options, CancellationToken cancellationToken)
        /_/src/libraries/System.Net.Quic/src/System/Net/Quic/QuicConnection.cs(86,0): at System.Net.Quic.QuicConnection.<ConnectAsync>g__StartConnectAsync|2_0(QuicClientConnectionOptions options, CancellationToken cancellationToken)
        /_/src/libraries/System.Net.Quic/src/System/Net/Quic/QuicConnection.cs(101,0): at System.Net.Quic.QuicConnection.<ConnectAsync>g__StartConnectAsync|2_0(QuicClientConnectionOptions options, CancellationToken cancellationToken)
        /_/src/libraries/System.Net.Quic/tests/FunctionalTests/QuicTestBase.cs(222,0): at System.Net.Quic.Tests.QuicTestBase.CreateConnectedQuicConnection(QuicClientConnectionOptions clientOptions, QuicListener listener)
        /_/src/libraries/System.Net.Quic/tests/FunctionalTests/QuicTestBase.cs(253,0): at System.Net.Quic.Tests.QuicTestBase.CreateConnectedQuicConnection(QuicClientConnectionOptions clientOptions, QuicListener listener)
        /_/src/libraries/System.Net.Quic/tests/FunctionalTests/QuicTestBase.cs(299,0): at System.Net.Quic.Tests.QuicTestBase.RunClientServer(Func`2 clientFunction, Func`2 serverFunction, Int32 iterations, Int32 millisecondsTimeout, QuicListenerOptions listenerOptions)
        /_/src/libraries/System.Net.Quic/tests/FunctionalTests/QuicTestBase.cs(297,0): at System.Net.Quic.Tests.QuicTestBase.RunClientServer(Func`2 clientFunction, Func`2 serverFunction, Int32 iterations, Int32 millisecondsTimeout, QuicListenerOptions listenerOptions)
        /_/src/libraries/System.Net.Quic/tests/FunctionalTests/QuicTestBase.cs(342,0): at System.Net.Quic.Tests.QuicTestBase.RunStreamClientServer(Func`2 clientFunction, Func`2 serverFunction, Boolean bidi, Int32 iterations, Int32 millisecondsTimeout)
        /_/src/libraries/System.Net.Quic/tests/FunctionalTests/QuicStreamTests.cs(874,0): at System.Net.Quic.Tests.QuicStreamTests.WaitForReadsClosedAsync_ServerReadAborted_Throws()
        --- End of stack trace from previous location ---
MsQuic Counters:
    CONN_CREATED 1619
    CONN_HANDSHAKE_FAIL 25
    CONN_APP_REJECT 8
    CONN_LOAD_REJECT 0

Unobserved exceptions of 1 different types: 
Count 1: System.AggregateException: A Task's exception(s) were not observed either by Waiting on the Task or accessing its Exception property. As a result, the unobserved exception was rethrown by the finalizer thread. (Cannot access a disposed object.
Object name: 'System.Net.Quic.QuicListener'.)
 ---> System.ObjectDisposedException: Cannot access a disposed object.
Object name: 'System.Net.Quic.QuicListener'.
   at System.Net.Quic.QuicListener.DisposeAsync() in /_/src/libraries/System.Net.Quic/src/System/Net/Quic/QuicListener.cs:line 432
   at System.Runtime.CompilerServices.AsyncMethodBuilderCore.Start[<DisposeAsync>d__21](<DisposeAsync>d__21& stateMachine) in /_/src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncMethodBuilderCore.cs:line 38
   at System.Net.Quic.QuicListener.DisposeAsync()
   at System.Net.Quic.Tests.QuicTestBase.RunClientServer(Func`2 clientFunction, Func`2 serverFunction, Int32 iterations, Int32 millisecondsTimeout, QuicListenerOptions listenerOptions) in /_/src/libraries/System.Net.Quic/tests/FunctionalTests/QuicTestBase.cs:line 297
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1[[System.Threading.Tasks.VoidTaskResult, System.Private.CoreLib, Version=11.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.Net.Quic.Tests.QuicTestBase.<RunClientServer>d__40, System.Net.Quic.Functional.Tests, Version=11.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51]].ExecutionContextCallback(Object s) in /_/src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncTaskMethodBuilderT.cs:line 424
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state) in /_/src/libraries/System.Private.CoreLib/src/System/Threading/ExecutionContext.cs:line 196
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1[[System.Threading.Tasks.VoidTaskResult, System.Private.CoreLib, Version=11.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.Net.Quic.Tests.QuicTestBase.<RunClientServer>d__40, System.Net.Quic.Functional.Tests, Version=11.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51]].MoveNext(Thread threadPoolThread, Flags flags) in /_/src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncTaskMethodBuilderT.cs:line 524
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1[[System.Threading.Tasks.VoidTaskResult, System.Private.CoreLib, Version=11.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.Net.Quic.Tests.QuicTestBase.<RunClientServer>d__40, System.Net.Quic.Functional.Tests, Version=11.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51]].MoveNext(Thread threadPoolThread) in /_/src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncTaskMethodBuilderT.cs:line 496
   at System.Runtime.CompilerServices.AsyncTaskMethodBuilder`1.AsyncStateMachineBox`1[[System.Threading.Tasks.VoidTaskResult, System.Private.CoreLib, Version=11.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e],[System.Net.Quic.Tests.QuicTestBase.<RunClientServer>d__40, System.Net.Quic.Functional.Tests, Version=11.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51]].MoveNext() in /_/src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncTaskMethodBuilderT.cs:line 482
   at System.Threading.Tasks.SynchronizationContextAwaitTaskContinuation.<>c.<.cctor>b__8_0(Object state) in /_/src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/TaskContinuation.cs:line 370
   at Xunit.Sdk.AsyncTestSyncContext.<>c__DisplayClass7_0.<Post>b__0() in /_/src/xunit.execution/Sdk/AsyncTestSyncContext.cs:line 58
   at Xunit.Sdk.XunitWorkerThread.<>c.<QueueUserWorkItem>b__5_0(Object _) in /_/src/common/XunitWorkerThread.cs:line 37
   at System.Threading.Tasks.Task.InnerInvoke() in /_/src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/Task.cs:line 2556
   at System.Threading.Tasks.Task.<>c.<.cctor>b__291_0(Object obj) in /_/src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/Task.cs:line 2538
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state) in /_/src/libraries/System.Private.CoreLib/src/System/Threading/ExecutionContext.cs:line 196
   at System.Threading.Tasks.Task.ExecuteWithThreadLocal(Task& currentTaskSlot, Thread threadPoolThread) in /_/src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/Task.cs:line 2496
   at System.Threading.Tasks.Task.ExecuteEntryUnsafe(Thread threadPoolThread) in /_/src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/Task.cs:line 2434
   at System.Threading.Tasks.ThreadPoolTaskScheduler.<>c.<.cctor>b__8_0(Object s) in /_/src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/ThreadPoolTaskScheduler.cs:line 36
   at System.Threading.Thread.StartCallback() in /_/src/mono/System.Private.CoreLib/src/System/Threading/Thread.Mono.cs:line 218
--- End of stack trace from previous location ---
   at System.Net.Quic.QuicListener.AcceptConnectionAsync(CancellationToken cancellationToken) in /_/src/libraries/System.Net.Quic/src/System/Net/Quic/QuicListener.cs:line 197
   --- End of inner exception stack trace ---
  Finished:    System.Net.Quic.Functional.Tests

The closed #105177 looks somewhat similar, but I have no idea if it's actually related.

Known issue validation

Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1541017
Error message validated: [QuicStreamTests.WaitForReadsClosedAsync_ServerReadAborted_Throws [FAIL] QuicException : The connection timed out from inactivity.]
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 8/6/2026 3:41:18 PM UTC

Report

Summary

24-Hour Hit Count 7-Day Hit Count 1-Month Count
0 0 0

Activity

  1. svick
    added
    blocking-clean-ciBlocking PR or rolling runs of 'runtime' or 'runtime-extra-platforms'
    Known Build ErrorUse this to report build issues in the .NET Helix tab
    on Aug 6, 2026
  2. dotnet-policy-service
    added
    untriagedNew issue has not been triaged by the area owner
    on Aug 6, 2026
  3. github-actions
    added
    area-System.Net.Quic
    on Aug 6, 2026

  4. dotnet-policy-service commented on Aug 6, 2026

    @dotnet-policy-service
    dotnet-policy-servicebot
    on Aug 6, 2026 – with Dotnet Policy Service
    Contributor

    Tagging subscribers to this area: @karelz, @dotnet/ncl
    See info in area-owners.md if you want to be subscribed.

  5. ManickaP
    added
    test-bugProblem in test source code (most likely)
    and removed
    untriagedNew issue has not been triaged by the area owner
    on Aug 7, 2026
  6. ManickaP
    added this to the Future milestone on Aug 7, 2026

  7. ManickaP commented on Aug 7, 2026

    @ManickaP
    ManickaP
    on Aug 7, 2026
    Member

    Triage: this is just one side of the issue, we don't know what happened on the server side and why we weren't able to even establish the connection. Based on the counters, does't seem like dropped connection via load. We need to change the helper method to log the server side task status as well and maybe we will learn something useful to make this actionable.

  8. ManickaP
    added a commit that references this issue on Aug 10, 2026

    [QUIC] Timing fix and more logging (#132012)

    d27915e
  9. jtschuster
    added a commit that references this issue on Aug 11, 2026

    [QUIC] Timing fix and more logging (dotnet#132012)

    6fdf6fd
  10. jeffschwMSFT
    removed
    blocking-clean-ciBlocking PR or rolling runs of 'runtime' or 'runtime-extra-platforms'
    on Sep 21, 2026

  11. jeffschwMSFT commented on Sep 21, 2026

    @jeffschwMSFT
    jeffschwMSFT
    on Sep 21, 2026
    Member

    removing blocking-clean-ci as it has not failed in 30 days

    24-Hour Hit Count 7-Day Hit Count 1-Month Count
    0 0 0

  12. ManickaP commented on Oct 5, 2026

    @ManickaP
    ManickaP
    on Oct 5, 2026
    Member

    Only 2 occurrence and almost 2 months ago, closing.

  13. ManickaP
    closed this as completedon Oct 5, 2026
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