System.Security.Cryptography.Tests .IsSupported_AgreesWithPlatform failures

[jkotas]

Build Information

Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1220914
Build error leg or test failing: System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform
Pull request: #122083

Error Message

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

{
  "ErrorMessage": "",
  "ErrorPattern": "System.Security.Cryptography.Tests.*.IsSupported_AgreesWithPlatform",
  "BuildRetry": false,
  "ExcludeConsoleLog": false
}

Known issue validation

Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1220914
Error message validated: [System.Security.Cryptography.Tests.*.IsSupported_AgreesWithPlatform]
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 12/5/2025 3:43:12 PM UTC

Report

Build	Definition	Test	Pull Request
1227023	dotnet/runtime	System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform
1227009	dotnet/runtime	System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform
1225627	dotnet/runtime	System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform	#122251
1225691	dotnet/runtime	System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform
1225679	dotnet/runtime	System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform
1224697	dotnet/runtime	System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform	#122320
1225456	dotnet/runtime	System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform
1225484	dotnet/runtime	System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform
1225440	dotnet/runtime	System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform	#122359
1225459	dotnet/runtime	System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform
1225293	dotnet/runtime	System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform
1225272	dotnet/runtime	System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform
1225153	dotnet/runtime	System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform
1225148	dotnet/runtime	System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform
1225151	dotnet/runtime	System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform
1225036	dotnet/runtime	System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform	#122251
1224670	dotnet/runtime	System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform
1224665	dotnet/runtime	System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform
1224668	dotnet/runtime	System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform
1224513	dotnet/runtime	System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform	#122320
1224507	dotnet/runtime	System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform	#122325
1224462	dotnet/runtime	System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform	#122321
1224200	dotnet/runtime	System.Security.Cryptography.Tests.WorkItemExecution	#122308
1224071	dotnet/runtime	System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform	#122209
1222362	dotnet/runtime	System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform	#122250
1221884	dotnet/runtime	System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform	#122212
1224034	dotnet/runtime	System.Security.Cryptography.Tests.WorkItemExecution	#121739
1223974	dotnet/runtime	System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform	#121305
1223796	dotnet/runtime	System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform	#122286
1223852	dotnet/runtime	System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform	#122048
1223752	dotnet/runtime	System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform	#122233
1223608	dotnet/runtime	System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform
1223704	dotnet/runtime	System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform	#122283
1223611	dotnet/runtime	System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform
1223663	dotnet/runtime	System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform	#122032
1223578	dotnet/runtime	System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform	#122160
1223630	dotnet/runtime	System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform	#122231
1223582	dotnet/runtime	System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform
1223392	dotnet/runtime	System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform	#122277
1223380	dotnet/runtime	System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform	#122276
1223473	dotnet/runtime	System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform	#122279
1223223	dotnet/runtime	System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform
1223225	dotnet/runtime	System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform
1223212	dotnet/runtime	System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform
1223188	dotnet/runtime	System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform	#122265
1223104	dotnet/runtime	System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform	#122271
1223057	dotnet/runtime	System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform
1223054	dotnet/runtime	System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform
1223051	dotnet/runtime	System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform
1223042	dotnet/runtime	System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform	#121853
1223030	dotnet/runtime	System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform	#117952
1222928	dotnet/runtime	System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform
1222932	dotnet/runtime	System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform	#122224
1222851	dotnet/runtime	System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform
2855413	dotnet-runtime	System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform
1222433	dotnet/runtime	System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform	#122125
1222855	dotnet/runtime	System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform
1222862	dotnet/runtime	System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform	#121853
1222854	dotnet/runtime	System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform
1222853	dotnet/runtime	System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform
1222841	dotnet/runtime	System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform	#122265
1222805	dotnet/runtime	System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform
1222836	dotnet/runtime	System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform
1222817	dotnet/runtime	System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform	#121853
1222812	dotnet/runtime	System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform	#122256
1222807	dotnet/runtime	System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform	#122263
1222800	dotnet/runtime	System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform
1222803	dotnet/runtime	System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform
1222766	dotnet/runtime	System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform	#122247
1222720	dotnet/runtime	System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform	#122258
1222674	dotnet/runtime	System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform
1222675	dotnet/runtime	System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform
1222664	dotnet/runtime	System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform
1222638	dotnet/runtime	System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform	#117788
1222601	dotnet/runtime	System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform
1222622	dotnet/runtime	System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform	#122258
1222598	dotnet/runtime	System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform	#121694
1222595	dotnet/runtime	System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform	#121656
1222525	dotnet/runtime	System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform	#122256
1222457	dotnet/runtime	System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform	#121614
1222430	dotnet/runtime	System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform	#119432
1222401	dotnet/runtime	System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform	#122085
1222517	dotnet/runtime	System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform
1222414	dotnet/runtime	System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform
1222219	dotnet/runtime	System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform
1222368	dotnet/runtime	System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform	#122247
1222300	dotnet/runtime	System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform	#122227
1222164	dotnet/runtime	System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform
1222214	dotnet/runtime	System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform
1222217	dotnet/runtime	System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform
1222186	dotnet/runtime	System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform	#122239
1222165	dotnet/runtime	System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform
1222120	dotnet/runtime	System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform	#122085
1221828	dotnet/runtime	System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform	#121366
1222107	dotnet/runtime	System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform
1222100	dotnet/runtime	System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform	#117788
1222076	dotnet/runtime	System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform	#114983
1222047	dotnet/runtime	System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform	#122231
1222035	dotnet/runtime	System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform	#122112
1221984	dotnet/runtime	System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform	#122233
Displaying 100 of 111 results

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
0	108	111

[dotnet-policy-service]

Tagging subscribers to this area: @dotnet/area-system-security, @bartonjs, @vcsjones
See info in area-owners.md if you want to be subscribed.

[SakeTao]

Failed in: runtime-coreclr libraries-jitstress2-jitstressregs 20251206.1

Failed tests:

net10.0-windows-Release-arm64-jitstress2_jitstressregs1-Windows.11.Arm64.Open
    - System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform
    - System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform
    - System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform
    - System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform
net10.0-windows-Release-arm64-jitstress2_jitstressregs2-Windows.11.Arm64.Open
    - System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform
    - System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform
    - System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform
    - System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform
net10.0-windows-Release-arm64-jitstress2_jitstressregs3-Windows.11.Arm64.Open
    - System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform
    - System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform
    - System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform
    - System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform
net10.0-windows-Release-arm64-jitstress2_jitstressregs0x80-Windows.11.Arm64.Open
    - System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform
    - System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform
    - System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform
    - System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform
net10.0-windows-Release-arm64-jitstress2_jitstressregs0x1000-Windows.11.Arm64.Open
    - System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform
    - System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform
    - System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform
    - System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform
net10.0-windows-Release-arm64-jitstress2_jitstressregs4-Windows.11.Arm64.Open
    - System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform
    - System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform
    - System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform
    - System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform
net10.0-windows-Release-arm64-jitstress2_jitstressregs0x2000-Windows.11.Arm64.Open
    - System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform
    - System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform
    - System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform
    - System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform
net10.0-windows-Release-arm64-jitstress2_jitstressregs8-Windows.11.Arm64.Open
    - System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform
    - System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform
    - System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform
    - System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform
net10.0-windows-Release-arm64-jitstress2_jitstressregs0x10-Windows.11.Arm64.Open
    - System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform
    - System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform
    - System.Security.Cryptography.Tests.MLDsaTests.IsSupported_AgreesWithPlatform
    - System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform

Error message:

Assert.Equal() Failure: Values differ
Expected: False
Actual:   True

Stack trace:

   at System.Security.Cryptography.Tests.MLKemImplementationTests.IsSupported_AgreesWithPlatform() in /_/src/libraries/Common/tests/System/Security/Cryptography/MLKemImplementationTests.cs:line 53
   at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args) in /_/src/coreclr/System.Private.CoreLib/src/System/Reflection/MethodBaseInvoker.CoreCLR.cs:line 36
   at System.Reflection.MethodBaseInvoker.InvokeWithNoArgs(Object obj, BindingFlags invokeAttr) in /_/src/libraries/System.Private.CoreLib/src/System/Reflection/MethodBaseInvoker.cs:line 57

[vcsjones]

This looks like PQC got back ported further in windows than we expected. I have an open question for them, and if we don't get an answer soon, we can disable the test.