Test failure: Error loading shared library libatomic.so.1: No such file or directory

[VincentBu]

Failed in: runtime-coreclr outerloop 20260625.4

Failed tests:

coreclr linux x64 Checked @ (Alpine.324.Amd64.Open)AzureLinux.3.Amd64.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:alpine-3.24-helix-amd64@sha256:a31c5d53a8c241bf7ad42e2dea0980e538ce1acee6968c11a61b9c23869460ed
- JIT/Regression/JitBlue/Runtime_34937/Runtime_34937/Runtime_34937.cmd
- JIT/opt/And/IntAnd/IntAnd.cmd
- JIT/opt/Casts/IntCast/IntCast.cmd
- JIT/opt/Or/IntOr/IntOr.cmd
- JIT/opt/perf/movelim/CalculateChecksum/CalculateChecksum.cmd
- JIT/opt/RangeChecks/Overflow/Overflow.cmd
- JIT/opt/Structs/StructWithGC_Zeroing/StructWithGC_Zeroing.cmd
- JIT/opt/Unsafe/Unsafe/Unsafe.cmd
coreclr linux x64 Checked no_tiered_compilation @ (Alpine.324.Amd64.Open)AzureLinux.3.Amd64.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:alpine-3.24-helix-amd64@sha256:a31c5d53a8c241bf7ad42e2dea0980e538ce1acee6968c11a61b9c23869460ed
- JIT/Regression/JitBlue/Runtime_34937/Runtime_34937/Runtime_34937.cmd
- JIT/opt/And/IntAnd/IntAnd.cmd
- JIT/opt/Casts/IntCast/IntCast.cmd
- JIT/opt/Or/IntOr/IntOr.cmd
- JIT/opt/perf/movelim/CalculateChecksum/CalculateChecksum.cmd
- JIT/opt/RangeChecks/Overflow/Overflow.cmd
- JIT/opt/Structs/StructWithGC_Zeroing/StructWithGC_Zeroing.cmd
- JIT/opt/Unsafe/Unsafe/Unsafe.cmd
coreclr linux arm64 Checked @ (Alpine.324.Arm64.Open)AzureLinux.3.Arm64.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:alpine-3.24-helix-arm64v8@sha256:9c20e0a9728be8eebfc8aa5e096488229ffed20c6cd99c20b90637ac29284df2
- JIT/Regression/JitBlue/Runtime_34937/Runtime_34937/Runtime_34937.cmd
- JIT/opt/Compares/compareAnd3Chains/compareAnd3Chains.cmd
- JIT/opt/InstructionCombining/NegMulOrDivToConst/NegMulOrDivToConst.cmd
- JIT/opt/RangeChecks/Overflow/Overflow.cmd
- JIT/opt/Remainder/IntRemainder/IntRemainder.cmd
- JIT/opt/Structs/StructWithGC_Zeroing/StructWithGC_Zeroing.cmd
coreclr linux arm64 Checked no_tiered_compilation @ (Alpine.324.Arm64.Open)AzureLinux.3.Arm64.Open@mcr.microsoft.com/dotnet-buildtools/prereqs:alpine-3.24-helix-arm64v8@sha256:9c20e0a9728be8eebfc8aa5e096488229ffed20c6cd99c20b90637ac29284df2
- JIT/Regression/JitBlue/Runtime_34937/Runtime_34937/Runtime_34937.cmd
- JIT/opt/Compares/compareAnd3Chains/compareAnd3Chains.cmd
- JIT/opt/InstructionCombining/NegMulOrDivToConst/NegMulOrDivToConst.cmd
- JIT/opt/RangeChecks/Overflow/Overflow.cmd
- JIT/opt/Remainder/IntRemainder/IntRemainder.cmd
- JIT/opt/Structs/StructWithGC_Zeroing/StructWithGC_Zeroing.cmd

Error message:

Error loading shared library libatomic.so.1: No such file or directory (needed by /root/helix/work/correlation/SuperFileCheck/runtimes/linux-musl-x64/native/libc++.so.1)
Error loading shared library libatomic.so.1: No such file or directory (needed by /root/helix/work/correlation/SuperFileCheck/runtimes/linux-musl-x64/native/libc++.so.1)
Error loading shared library libatomic.so.1: No such file or directory (needed by /root/helix/work/correlation/SuperFileCheck/runtimes/linux-musl-x64/native/libc++.so.1)

Return code:      1
Raw output file:      /root/helix/work/workitem/uploads/JitBlue/Runtime_34937/Runtime_34937/output.txt
Raw output:
BEGIN EXECUTION
/root/helix/work/correlation/corerun -p System.Reflection.Metadata.MetadataUpdater.IsSupported=false -p System.Runtime.Serialization.EnableUnsafeBinaryFormatterSerialization=true Runtime_34937.dll ''
EXECUTION OF FILECHECK - FAILED 1
Test Harness Exitcode is : 1
To run the test:
Set up CORE_ROOT and run.
> /root/helix/work/workitem/e/JIT/Regression/Regression_2/../JitBlue/Runtime_34937/Runtime_34937/Runtime_34937.sh

Stack trace:

   at TestLibrary.OutOfProcessTest.RunOutOfProcessTest(String assemblyPath, String testPathPrefix)
   at Program.<<Main>$>g__TestExecutor53|0_54(StreamWriter tempLogSw, StreamWriter statsCsvSw, <>c__DisplayClass0_0&)

{
  "ErrorMessage": "Error loading shared library libatomic.so.1: No such file or directory",
  "ErrorPattern": "",
  "BuildRetry": false,
  "ExcludeConsoleLog": false
}

Known issue validation

Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1481729
Error message validated: [Error loading shared library libatomic.so.1: No such file or directory]
Result validation: ❌ Known issue did not match with the provided build.
Validation performed at: 6/30/2026 9:06:34 PM UTC

Report

Build	Repository	Test	Pull Request
1492965	dotnet/runtime	JIT/opt/Compares/conditionalIncrements/conditionalIncrements.cmd
1492902	dotnet/runtime	JIT/opt/InstructionCombining/Neg/Neg.cmd	#129806
1492577	dotnet/runtime	JIT/opt/InstructionCombining/Neg/Neg.cmd
1492112	dotnet/runtime	JIT/opt/InstructionCombining/Neg/Neg.cmd
1491332	dotnet/runtime	JIT/opt/InstructionCombining/Neg/Neg.cmd
1490896	dotnet/runtime	JIT/opt/Add/IntAdd/IntAdd.cmd
1490325	dotnet/runtime	JIT/opt/InstructionCombining/IntMoveNoSignExtend/IntMoveNoSignExtend.cmd
1490026	dotnet/runtime	JIT/opt/InstructionCombining/Neg/Neg.cmd	#129806
1489388	dotnet/runtime	JIT/opt/Compares/conditionalIncrements/conditionalIncrements.cmd
1488981	dotnet/runtime	JIT/opt/InstructionCombining/Neg/Neg.cmd
1488363	dotnet/runtime	JIT/opt/InstructionCombining/Neg/Neg.cmd

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
4	11	11

[dotnet-policy-service]

Tagging subscribers to this area: @JulieLeeMSFT, @jakobbotsch
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[MihuBot]

I'm a bot. Here is a possible related and/or duplicate issue (I may be wrong):

• Test failure JIT/Regression/JitBlue/Runtime_33972/Runtime_33972/Runtime_33972.cmd #88361

[JulieLeeMSFT]

@dotnet/jit-contrib, this is failing in outerloop. PTAL.

[JulieLeeMSFT]

Assinged to @EgorBo because it failed in unsafe and range check.

[jkotas]

Looks like a regression from #129824

@sbomer @hoyosjs @richlander
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