[WASI][CoreCLR] wasm trap: uninitialized element

[pavelsavara]

Build Information

Build: https://dev.azure.com/dnceng-public/public/_build/results?buildId=1582547
Build error leg or test failing: WASI CoreCLR

Error Message

Log

wasmtime run -W exceptions=y -S http --dir /root/helix/work/workitem/e/JIT/Generics/JIT.Generics::/ --dir /root/helix/work/correlation::/core --env CORE_ROOT=/core --env DOTNET_SYSTEM_GLOBALIZATION_INVARIANT=true --env DOTNET_WASI_PRINT_EXIT_CODE=1 /root/helix/work/correlation/corerun -p System.Reflection.Metadata.MetadataUpdater.IsSupported=false -p System.Runtime.Serialization.EnableUnsafeBinaryFormatterSerialization=true JIT.Generics.dll ''
Error: failed to run main module `/root/helix/work/correlation/corerun`

Caused by:
 0: failed to invoke `run` function
 1: error while executing at wasm backtrace:
 0: 0x1c918e - corerun!InvokeUnmanagedCalli(unsigned long, void (*)(unsigned long, signed char*, signed char*), signed char*, signed char*)
 1: 0x16fee9 - corerun!InvokeUnmanagedCalliWithTransition(unsigned long, void (*)(unsigned long, signed char*, signed char*), signed char*, InterpMethodContextFrame*, signed char*, signed char*)
 2: 0x176119 - corerun!InterpExecMethod(InterpreterFrame*, InterpMethodContextFrame*, InterpThreadContext*, ExceptionClauseArgs*)
 3: 0x1c6070 - corerun!ExecuteInterpretedMethod
 4: 0x1c6b05 - corerun!ExecuteInterpretedMethodFromUnmanaged
 5: 0x2fc212 - corerun!Call_System_Private_CoreLib_System_Environment_CallEntryPoint_I32_I32_I32_I32_I32_RetVoid(void*, void*, void*, int, void*)
 6: 0x2e201f - corerun!void UnmanagedCallersOnlyCaller::InvokeThrowing<long, PtrArray**, int*, bool>(long, PtrArray**, int*, bool)
 7: 0x2e1dec - corerun!RunMain(MethodDesc*, int*, PtrArray**, bool)
 8: 0x2e2396 - corerun!Assembly::ExecuteMainMethod(PtrArray**, bool)
 9: 0x1ab02f - corerun!CorHost2::ExecuteAssembly(unsigned int, char16_t const*, int, char16_t const**, unsigned int*)
 10: 0x2fa964 - corerun!coreclr_execute_assembly
 11: 0x5487d - corerun!main
 12: 0xce6a - corerun!__main_void
 13: 0xcd63 - corerun!_start
note: using the `WASMTIME_BACKTRACE_DETAILS=1` environment variable may show more debugging information
 2: wasm trap: uninitialized element

{
 "ErrorMessage": "uninitialized element",
 "BuildRetry": false,
 "ExcludeConsoleLog": false
}

Known issue validation

Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1582547
Error message validated: [uninitialized element]
Result validation: ❌ Known issue did not match with the provided build.
Validation performed at: 9/4/2026 3:14:17 PM UTC

Report

Summary

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

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