Assert failure: CONTRACT VIOLATION in baseservices/callconvs/TestCallingConventions/TestCallingConventions.cmd

[VincentBu]

Build Information

Build: https://dev.azure.com/dnceng-public/cbb18261-c48f-4abb-8651-8cdcb5474649/_build/results?buildId=1584755
Build error leg or test failing: baseservices/callconvs/TestCallingConventions/TestCallingConventions.cmd

Error Details

Assert failure(PID 12112 [0x00002f50], Thread: 23452 [0x5b9c]): CONTRACT VIOLATION by Frame::Push at "D:�_work1ssrccoreclr�mrames.cpp":547

MODE_COOPERATIVE encountered while thread is in preemptive state.

                        CONTRACT in Frame::Push at "D:�_work1ssrccoreclr�mrames.cpp":547
                        (null) in (null) at "(null)":0

Missing tracking information. Look for data structures that manipulate contract state (i.e., CrstHolder).


CORECLR! CONTRACT_ASSERT + 0x2EE (0x00007ff9`111a282e)
CORECLR! EEContract::DoChecks + 0x1D9 (0x00007ff9`1175a9d9)
CORECLR! Frame::Push + 0xE7 (0x00007ff9`114fdf97)
CORECLR! HandleManagedFault + 0x56 (0x00007ff9`114dc1e6)
CORECLR! CLRVectoredExceptionHandlerShim + 0x2DB (0x00007ff9`114d064b)
NTDLL! RtlLocateExtendedFeature + 0xF96 (0x00007ff9`80286896)
NTDLL! RtlLocateExtendedFeature + 0x366 (0x00007ff9`80285c66)
NTDLL! KiUserExceptionDispatcher + 0x2E (0x00007ff9`803a43fe)
<no module>! <no symbol> + 0x0 (0x00007ff8`b26f0797)
<no module>! <no symbol> + 0x0 (0x000001df`8b8063d0)
    File: D:�_work1ssrccoreclr�mrames.cpp:547
    Image: C:hwAEA809A4pcorerun.exe

Error Message

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

{
  "ErrorMessage": "Assert failure(PID 12112 [0x00002f50], Thread: 23452 [0x5b9c]): CONTRACT VIOLATION by Frame::Push at \"D:\u0007_work1ssrccoreclr\u000Bm\frames.cpp\":547",
  "BuildRetry": false,
  "ExcludeConsoleLog": false
}

Known issue validation

Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1584755
Error message validated: [Assert failure(PID 12112 [0x00002f50], Thread: 23452 [0x5b9c]): CONTRACT VIOLATION by Frame::Push at "D:�_work1ssrccoreclr�mrames.cpp":547]
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 9/7/2026 2:26:45 AM UTC

Report

Build	Repository	Test	Pull Request
1584755	dotnet/runtime	baseservices/callconvs/TestCallingConventions/TestCallingConventions.cmd

Summary

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

[dotnet-policy-service]

Tagging subscribers to this area: @agocke
See info in area-owners.md if you want to be subscribed.

[jkotas]

Managed stack:

00 00000081`d917e570 00007ff8`b207649b     CallFunctionPointers!ILStubClass.IL_STUB_PInvoke(Char, IntPtr)+0x67
01 00000081`d917e610 00007ff8`b207200b     TestCallingConventions!Program.NonblittableFunctionPointers()+0x28b
02 00000081`d917e6a0 00007ff8`b2071d22     TestCallingConventions!Program.TestEntryPoint()+0x6b
03 00000081`d917e710 00007ff8`f4da1a7b     TestCallingConventions!__GeneratedMainWrapper.Main()+0x42

Fallout from #131654 . cc @jkoritzinsky @jakobbotsch

[dotnet-policy-service]

Tagging subscribers to this area: @JulieLeeMSFT, @jakobbotsch
See info in area-owners.md if you want to be subscribed.

[jkoritzinsky]

Underlying failure is likely the same as #132801, we're just hitting a contract violation in the process of handling it (which definitely also needs to be addressed).