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ILC assertion failure: type == type.ConvertToCanonForm(CanonicalFormKind.Specific) #114934

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BruceForstall opened this issue Apr 22, 2025 · 4 comments
Open

ILC assertion failure: type == type.ConvertToCanonForm(CanonicalFormKind.Specific) #114934

BruceForstall opened this issue Apr 22, 2025 · 4 comments
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@amanasifkhalid
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area-CodeGen-coreclr CLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI blocking-clean-ci-optional Blocking optional rolling runs
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10.0.0

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@BruceForstall
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There are quite a few ILC assertions in:

pipeline: runtime-coreclr superpmi-collection (https://dev.azure.com/dnceng/internal/_build?definitionId=977&_a=summary)
job: SuperPMI collect smoke_tests nativeaot linux x64 checked

of the form:

[08:44:40] Process terminated. Assertion failed.
[08:44:40] type == type.ConvertToCanonForm(CanonicalFormKind.Specific)
[08:44:40] at System.Diagnostics.DebugProvider.Fail(String, String) + 0x37
[08:44:40] at System.Diagnostics.Debug.Fail(String, String) + 0x30
[08:44:40] at ILCompiler.DependencyAnalysis.NecessaryCanonicalEETypeNode..ctor(NodeFactory, TypeDesc) + 0xb7
[08:44:40] at ILCompiler.DependencyAnalysis.NodeFactory.CreateNecessaryTypeNode(TypeDesc) + 0x11d
[08:44:40] at Internal.TypeSystem.LockFreeReaderHashtable`2.CreateValueAndEnsureValueIsInTable(TKey) + 0x14
[08:44:40] at ILCompiler.DependencyAnalysis.NodeFactory.NecessaryTypeSymbol(TypeDesc) + 0xd3
[08:44:40] at Internal.JitInterface.CorInfoImpl.embedClassHandle(CORINFO_CLASS_STRUCT_*, Void*&) + 0x90
[08:44:40] at Internal.JitInterface.CorInfoImpl._embedClassHandle(IntPtr, IntPtr*, CORINFO_CLASS_STRUCT_*, Void**) + 0x4b
[08:44:40] at Internal.JitInterface.CorInfoImpl.JitCompileMethod(IntPtr&, IntPtr, IntPtr, IntPtr, CORINFO_METHOD_INFO&, UInt32, IntPtr&, UInt32&) + 0xcd
[08:44:40] at Internal.JitInterface.CorInfoImpl.CompileMethodInternal(IMethodNode, MethodIL) + 0xe7
[08:44:40] at Internal.JitInterface.CorInfoImpl.CompileMethod(MethodCodeNode, MethodIL) + 0x67
[08:44:40] at ILCompiler.RyuJitCompilation.CompileSingleMethod(CorInfoImpl, MethodCodeNode) + 0xc1
[08:44:40] at ILCompiler.RyuJitCompilation.CompileSingleMethod(MethodCodeNode) + 0xf8
[08:44:40] at System.Threading.Tasks.Parallel.<>c__DisplayClass19_0`2.<ForWorker>b__1(RangeWorker&, Int64, Boolean&) + 0x15c
[08:44:40] at System.Threading.Tasks.TaskReplicator.Replica.Execute() + 0x5f
[08:44:40] at System.Threading.ExecutionContext.RunInternal(ExecutionContext, ContextCallback, Object) + 0x9c
[08:44:40] at System.Threading.Tasks.Task.ExecuteWithThreadLocal(Task&, Thread) + 0x102
[08:44:40] at System.Threading.Tasks.ThreadPoolTaskScheduler.TryExecuteTaskInline(Task, Boolean) + 0xc0
[08:44:40] at System.Threading.Tasks.TaskScheduler.TryRunInline(Task, Boolean) + 0xa6
[08:44:40] at System.Threading.Tasks.Task.InternalRunSynchronously(TaskScheduler, Boolean) + 0xa7
[08:44:40] at System.Threading.Tasks.TaskReplicator.Run[TState](TaskReplicator.ReplicatableUserAction`1, ParallelOptions, Boolean) + 0x183
[08:44:40] at System.Threading.Tasks.Parallel.ForWorker[TLocal,TInt](TInt, TInt, ParallelOptions, Action`1, Action`2, Func`4, Func`1, Action`1) + 0x1f2
[08:44:40] at ILCompiler.RyuJitCompilation.CompileMultiThreaded(List`1) + 0x24a
[08:44:40] at ILCompiler.RyuJitCompilation.ComputeDependencyNodeDependencies(List`1) + 0x172
[08:44:40] at ILCompiler.DependencyAnalysisFramework.DependencyAnalyzer`2.ComputeMarkedNodes() + 0x161
[08:44:40] at ILCompiler.RyuJitCompilation.CompileInternal(String, ObjectDumper) + 0x23
[08:44:40] at ILCompiler.Compilation.ILCompiler.ICompilation.Compile(String, ObjectDumper) + 0x4c
[08:44:40] at ILCompiler.Program.Run() + 0x2b95
[08:44:40] at ILCompiler.ILCompilerRootCommand.<>c__DisplayClass249_0.<.ctor>b__0(ParseResult) + 0x30f
[08:44:40] at System.CommandLine.Invocation.InvocationPipeline.Invoke(ParseResult) + 0x69
[08:44:40] at ILCompiler.Program.Main(String[] args) + 0xde

example job:
https://dev.azure.com/dnceng/internal/_build/results?buildId=2692581&view=logs&j=5eaadb19-0c1f-5ec8-5e1a-fa86334b456a&t=726ae452-d9f7-5196-012c-0d1cf38578f2

These crashes seem to lead to SuperPMI collection data corruption, which ends up with ERROR: Method 2007 is of low integrity. messages, which, presumably, is what causes this job to be marked as "warning".

@dotnet/jit-contrib @MichalStrehovsky
@BruceForstall BruceForstall added area-CodeGen-coreclr CLR JIT compiler in src/coreclr/src/jit and related components such as SuperPMI blocking-clean-ci-optional Blocking optional rolling runs labels Apr 22, 2025
@BruceForstall BruceForstall added this to the 10.0.0 milestone Apr 22, 2025
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Tagging subscribers to this area: @JulieLeeMSFT, @jakobbotsch
See info in area-owners.md if you want to be subscribed.

@MichalStrehovsky
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The assert is caused by JIT asking for partially canonicalized types (think: Dictionary<__Canon, object>). These need to be concrete (e.g. Dictionary<string, object>) or fully canonical (Dictionary<__Canon, __Canon>).

@amanasifkhalid
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@BruceForstall are you still able to access the SPMI job logs? Using a new access token for the most recent run, I'm still getting "NotFound" responses on my end.

@BruceForstall
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@BruceForstall are you still able to access the SPMI job logs? Using a new access token for the most recent run, I'm still getting "NotFound" responses on my end.

Yes, it looks like the links are broken. Maybe they got rid of token authentication.

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