`System.Net.WebSockets.Client.Tests.CancelTest_SharedHandler_Loopback.ConnectAsync_Cancel_ThrowsCancellationException` failing with NRE on CoreCLR android-arm64

[amanasifkhalid]

Build Information

Build: https://dev.azure.com/dnceng-public/public/_build/results?buildId=1105979&view=results
Build error leg or test failing:

Error Message

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

{
  "ErrorMessage": ["System.NullReferenceException", "at System.Net.SafeDeleteSslContext.WriteToConnection"],
  "BuildRetry": false,
  "ExcludeConsoleLog": false
}

Known issue validation

Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1105979
Error message validated: [System.NullReferenceException at System.Net.SafeDeleteSslContext.WriteToConnection]
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 7/25/2025 5:20:41 PM UTC

Report

Build	Definition	Test	Pull Request
1105979	dotnet/runtime	System.Net.WebSockets.Client.Tests.CancelTest_SharedHandler_Loopback.ConnectAsync_Cancel_ThrowsCancellationException	#118046

Summary

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

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[MihaZupan]

Looks like a duplicate of #117045