[Android][CoreCLR] System.Security.Cryptography.Tests killed by lowmemorykiller

[jtschuster]

Build Information

Build: https://dev.azure.com/dnceng-public/public/_build/results?buildId=1119503
Build error leg or test failing: Send to Helix

Error Message

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

{
  "ErrorMessage": "lowmemorykiller: Kill 'net.dot.",
  "BuildRetry": false,
  "ExcludeConsoleLog": false
}

Known issue validation

Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1119503
Error message validated: [lowmemorykiller: Kill 'net.dot.]
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 8/11/2025 8:33:44 PM UTC

Report

Build	Definition	Test	Pull Request
1223188	dotnet/runtime	System.Security.Cryptography.Tests.WorkItemExecution	#122265
1222880	dotnet/runtime	PayloadGroup0.WorkItemExecution
1221828	dotnet/runtime	System.Security.Cryptography.Tests.WorkItemExecution	#121366
1221766	dotnet/runtime	System.Security.Cryptography.Tests.WorkItemExecution	#121896
1221323	dotnet/runtime	System.Security.Cryptography.Tests.WorkItemExecution	#121614

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
1	5	5

[MihuBot]

Possible related and/or duplicate issues:

• Out of memory kill of System.IO.Tests on Android CoreCLR #118353

[jtschuster]

Related: #62547

[dotnet-policy-service]

Tagging subscribers to 'arch-android': @vitek-karas, @simonrozsival, @steveisok, @akoeplinger
See info in area-owners.md if you want to be subscribed.

[vitek-karas]

The behavior matches #62547 but it happens only on Android CoreCLR (x64). It's always System.Security.CryptoGraphy.Tests and on that configuration this test has 100% failure rate.

It started on 8/11 but that's when we enabled these tests on that configuration, so it's likely the test has been failing on the configuration "always".

[davidnguyen-tech]

The test should be disabled for CoreCLR Android already, the question is why does it run anyway?

runtime/src/libraries/tests.proj

Lines 227 to 232 in 3c6b264

	<ItemGroup Condition="'$(TargetOS)' == 'android' and '$(RuntimeFlavor)' == 'CoreCLR' and '$(RunDisabledAndroidTests)' != 'true'">
	<!-- https://github.com/dotnet/runtime/issues/62547 -->
	<ProjectExclusions Include="$(MSBuildThisFileDirectory)System.Security.Cryptography\tests\System.Security.Cryptography.Tests.csproj" />
	<!-- https://github.com/dotnet/runtime/issues/72908 -->
	<ProjectExclusions Include="$(MSBuildThisFileDirectory)System.Reflection.MetadataLoadContext\tests\System.Reflection.MetadataLoadContext.Tests.csproj" />
	</ItemGroup>

EDIT: They probably need to be removed from the smoke tests as well, I will do it.

[davidnguyen-tech]

Closing, as the 24-hour count is 0 and the failure was resolved in #118733. Furthermore, there's a tracking issue #62547