[iOS][MacCatalyst] Invalid SocketOption in `MulticastInterface` on new macOS versions (14.7, 15.2)

[matouskozak]

Build Information

Build: https://dev.azure.com/dnceng-public/public/_build/results?buildId=983276
Build error leg or test failing: System.Net.Sockets.Tests

Discovered in #113313 when trying to update dotnet/runtime apple mobile CI to newer macOS helix devices running with macOS 14/15.

Error:

[FAIL] System.Net.Sockets.Tests.SocketOptionNameTest.MulticastInterface_Set_AnyInterface_Succeeds   Test name: System.Net.Sockets.Tests.SocketOptionNameTest.MulticastInterface_Set_AnyInterface_Succeeds
[09:32:16] dbug: 2025-03-17 09:32:16.239240-0400 System.Net.Sockets.Tests[41262:763854]    Assembly:  [System.Net.Sockets.Tests, Version=10.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51]
[09:32:16] dbug: 2025-03-17 09:32:16.239350-0400 System.Net.Sockets.Tests[41262:763854]    Exception messages: System.Net.Sockets.SocketException : Invalid argument   Exception stack traces:    at System.Net.Sockets.Socket.UpdateStatusAfterSocketErrorAndThrowException(SocketError error, Boolean disconnectOnFailure, String callerName)
[09:32:16] dbug: at System.Net.Sockets.Socket.UpdateStatusAfterSocketOptionErrorAndThrowException(SocketError error, String callerName)
[09:32:16] dbug: 2025-03-17 09:32:16.239449-0400 System.Net.Sockets.Tests[41262:763854]    at System.Net.Sockets.Socket.SetSocketOption(SocketOptionLevel optionLevel, SocketOptionName optionName, Int32 optionValue, Boolean silent)
[09:32:16] dbug: at System.Net.Sockets.Socket.SetSocketOption(SocketOptionLevel optionLevel, SocketOptionName optionName, Int32 optionValue)
[09:32:16] dbug: 2025-03-17 09:32:16.239544-0400 System.Net.Sockets.Tests[41262:763854]    at System.Net.Sockets.Tests.SocketOptionNameTest.MulticastInterface_Set_Helper(Int32 interfaceIndex)
[09:32:16] dbug: at System.Net.Sockets.Tests.SocketOptionNameTest.MulticastInterface_Set_AnyInterface_Succeeds()

Error Message

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

{
  "ErrorMessage": [
      "macOS",
      "System.Net.Sockets.SocketException : Invalid argument",
      "at System.Net.Sockets.Tests.SocketOptionNameTest.MulticastInterface_Set_AnyInterface_Succeeds"
  ],
  "BuildRetry": false,
  "ExcludeConsoleLog": false
}

Known issue validation

Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=983276
Error message validated: [System.Net.Sockets.SocketException : Invalid argument Exception stack traces: at System.Net.Sockets.Socket.UpdateStatusAfterSocketErrorAndThrowException(SocketError error, Boolean disconnectOnFailure, String callerName)]
Result validation: ❌ Known issue did not match with the provided build.
Validation performed at: 3/24/2025 9:33:00 AM UTC

Known issue validation

Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=983276
Error message validated: [macOS System.Net.Sockets.SocketException : Invalid argument System.Net.Sockets.Tests.SocketOptionNameTest.MulticastInterface_Set_AnyInterface_Succeeds]
Result validation: ❌ Known issue did not match with the provided build.
Validation performed at: 3/24/2025 9:59:49 AM UTC

Report

Summary

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

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[wfurt]

may be related to #53767

[matouskozak]

may be related to #53767

On the current CI, with macOS 12.7.2 and XCode 13.1, the tests are not failing. Maybe @simonrozsival might know where the problem is coming from?