Test failure: System.IO.Pipelines.Tests.FlushAsyncCancellationTests.FlushAsyncCancellationE2E

[VincentBu]

Failed in: runtime-coreclr libraries-jitstress 20260127.2

Failed tests:

net11.0-linux-Release-arm-jitstress2_tiered-(Debian.13.Arm32.Open)AzureLinux.3.Arm64.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:debian-13-helix-arm32v7
- System.IO.Pipelines.Tests.FlushAsyncCancellationTests.FlushAsyncCancellationE2E

Error message:

System.InvalidOperationException : Can't GetResult unless awaiter is completed.

Stack trace:

   at System.IO.Pipelines.ThrowHelper.ThrowInvalidOperationException_GetResultNotCompleted() in /_/src/libraries/System.IO.Pipelines/src/System/IO/Pipelines/ThrowHelper.cs:line 37
   at System.IO.Pipelines.Pipe.GetFlushAsyncResult() in /_/src/libraries/System.IO.Pipelines/src/System/IO/Pipelines/Pipe.cs:line 1020
   at System.IO.Pipelines.Pipe.DefaultPipeWriter.GetResult(Int16 token) in /_/src/libraries/System.IO.Pipelines/src/System/IO/Pipelines/Pipe.DefaultPipeWriter.cs:line 42
   at System.Runtime.CompilerServices.AsyncHelpers.RuntimeAsyncTask`1.DispatchContinuations() in /_/src/coreclr/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncHelpers.CoreCLR.cs:line 459
--- End of stack trace from previous location ---
   at System.IO.Pipelines.Tests.FlushAsyncCancellationTests.<>c__DisplayClass1_0.<FlushAsyncCancellationE2E>b__0()
   at System.Runtime.CompilerServices.AsyncHelpers.RuntimeAsyncTask`1.DispatchContinuations() in /_/src/coreclr/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncHelpers.CoreCLR.cs:line 459
--- End of stack trace from previous location ---
   at System.Runtime.CompilerServices.AsyncHelpers.Await(Task task) in /_/src/libraries/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncHelpers.cs:line 100
   at System.Runtime.CompilerServices.AsyncHelpers.RuntimeAsyncTask`1.DispatchContinuations() in /_/src/coreclr/System.Private.CoreLib/src/System/Runtime/CompilerServices/AsyncHelpers.CoreCLR.cs:line 459
--- End of stack trace from previous location ---
--- End of stack trace from previous location ---