[ci-scan] Test failure: System.Formats.Tar.Tests.TarFile_ExtractToDirectory_File_Tests.ExtractToDirectory_RejectsChainedSymlinkDirectoryTraversal_WithNestedFile #130177

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1. kotlarmilos

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   on Jul 3, 2026
2. dotnet-policy-service

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4. dotnet-policy-service commented on Jul 3, 2026

   

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   Tagging subscribers to this area: @dotnet/area-system-io
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5. adamsitnik

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6. dotnet-policy-service commented on Jul 3, 2026

   

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7. adamsitnik commented on Jul 3, 2026

   

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8. alinpahontu2912 commented on Jul 3, 2026

   

   alinpahontu2912

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   Ack, it can be disbaled for now if needed, we are working on a fix
9. VincentBu commented on Jul 6, 2026

   

   VincentBu

   on Jul 6, 2026

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   Failed in: runtime-coreclr libraries-jitstress2-jitstressregs 20260704.1

   Failed tests:

   net11.0-windows-Release-x86-jitstress2_jitstressregs1-Windows.10.Amd64.Open
   - System.Formats.Tar.Tests.TarFile_ExtractToDirectory_File_Tests.ExtractToDirectory_RejectsChainedSymlinkDirectoryTraversal_WithNestedFile
   net11.0-windows-Release-x86-jitstress2_jitstressregs2-Windows.10.Amd64.Open
   - System.Formats.Tar.Tests.TarFile_ExtractToDirectory_File_Tests.ExtractToDirectory_RejectsChainedSymlinkDirectoryTraversal_WithNestedFile
   net11.0-windows-Release-x86-jitstress2_jitstressregs3-Windows.10.Amd64.Open
   - System.Formats.Tar.Tests.TarFile_ExtractToDirectory_File_Tests.ExtractToDirectory_RejectsChainedSymlinkDirectoryTraversal_WithNestedFile
   net11.0-windows-Release-x86-jitstress2_jitstressregs0x10-Windows.10.Amd64.Open
   - System.Formats.Tar.Tests.TarFile_ExtractToDirectory_File_Tests.ExtractToDirectory_RejectsChainedSymlinkDirectoryTraversal_WithNestedFile
   net11.0-windows-Release-x86-jitstress2_jitstressregs4-Windows.10.Amd64.Open
   - System.Formats.Tar.Tests.TarFile_ExtractToDirectory_File_Tests.ExtractToDirectory_RejectsChainedSymlinkDirectoryTraversal_WithNestedFile
   net11.0-windows-Release-x86-jitstress2_jitstressregs8-Windows.10.Amd64.Open
   - System.Formats.Tar.Tests.TarFile_ExtractToDirectory_File_Tests.ExtractToDirectory_RejectsChainedSymlinkDirectoryTraversal_WithNestedFile
   net11.0-windows-Release-x86-jitstress2_jitstressregs0x2000-Windows.10.Amd64.Open
   - System.Formats.Tar.Tests.TarFile_ExtractToDirectory_File_Tests.ExtractToDirectory_RejectsChainedSymlinkDirectoryTraversal_WithNestedFile
   net11.0-windows-Release-x86-jitstress2_jitstressregs0x1000-Windows.10.Amd64.Open
   - System.Formats.Tar.Tests.TarFile_ExtractToDirectory_File_Tests.ExtractToDirectory_RejectsChainedSymlinkDirectoryTraversal_WithNestedFile
   net11.0-windows-Release-x86-jitstress2_jitstressregs0x80-Windows.10.Amd64.Open
   - System.Formats.Tar.Tests.TarFile_ExtractToDirectory_File_Tests.ExtractToDirectory_RejectsChainedSymlinkDirectoryTraversal_WithNestedFile
   net11.0-windows-Release-x64-jitstress2_jitstressregs1-Windows.10.Amd64.Open
   - System.Formats.Tar.Tests.TarFile_ExtractToDirectory_File_Tests.ExtractToDirectory_RejectsChainedSymlinkDirectoryTraversal_WithNestedFile
   net11.0-windows-Release-x64-jitstress2_jitstressregs0x1000-Windows.10.Amd64.Open
   - System.Formats.Tar.Tests.TarFile_ExtractToDirectory_File_Tests.ExtractToDirectory_RejectsChainedSymlinkDirectoryTraversal_WithNestedFile
   net11.0-windows-Release-x64-jitstress2_jitstressregs8-Windows.10.Amd64.Open
   - System.Formats.Tar.Tests.TarFile_ExtractToDirectory_File_Tests.ExtractToDirectory_RejectsChainedSymlinkDirectoryTraversal_WithNestedFile
   net11.0-windows-Release-x64-jitstress2_jitstressregs0x10-Windows.10.Amd64.Open
   - System.Formats.Tar.Tests.TarFile_ExtractToDirectory_File_Tests.ExtractToDirectory_RejectsChainedSymlinkDirectoryTraversal_WithNestedFile
   net11.0-windows-Release-x64-jitstress2_jitstressregs0x2000-Windows.10.Amd64.Open
   - System.Formats.Tar.Tests.TarFile_ExtractToDirectory_File_Tests.ExtractToDirectory_RejectsChainedSymlinkDirectoryTraversal_WithNestedFile
   net11.0-windows-Release-x64-jitstress2_jitstressregs2-Windows.10.Amd64.Open
   - System.Formats.Tar.Tests.TarFile_ExtractToDirectory_File_Tests.ExtractToDirectory_RejectsChainedSymlinkDirectoryTraversal_WithNestedFile
   net11.0-windows-Release-x64-jitstress2_jitstressregs3-Windows.10.Amd64.Open
   - System.Formats.Tar.Tests.TarFile_ExtractToDirectory_File_Tests.ExtractToDirectory_RejectsChainedSymlinkDirectoryTraversal_WithNestedFile
   net11.0-windows-Release-x64-jitstress2_jitstressregs4-Windows.10.Amd64.Open
   - System.Formats.Tar.Tests.TarFile_ExtractToDirectory_File_Tests.ExtractToDirectory_RejectsChainedSymlinkDirectoryTraversal_WithNestedFile
   net11.0-windows-Release-x64-jitstress2_jitstressregs0x80-Windows.10.Amd64.Open
   - System.Formats.Tar.Tests.TarFile_ExtractToDirectory_File_Tests.ExtractToDirectory_RejectsChainedSymlinkDirectoryTraversal_WithNestedFile
   
   

   Error message:

   Assert.Throws() Failure: Exception type was not an exact match
   
   Expected: typeof(System.UnauthorizedAccessException)
   
   Actual:   typeof(System.IO.IOException)
   
   ---- System.IO.IOException : Cannot create 'C:\h\w\B31A092C\t\tweayhvu.etl\dest\a\b' because a file or directory with the same name already exists.
   

   Stack trace:

      at System.Formats.Tar.Tests.TarFile_ExtractToDirectory_File_Tests.ExtractToDirectory_RejectsChainedSymlinkDirectoryTraversal_WithNestedFile() in /_/src/libraries/System.Formats.Tar/tests/TarFile/TarFile.ExtractToDirectory.File.Tests.cs:line 548
      at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args) in /_/src/coreclr/System.Private.CoreLib/src/System/Reflection/MethodBaseInvoker.CoreCLR.cs:line 37
      at System.Reflection.MethodBaseInvoker.InvokeWithNoArgs(Object obj, BindingFlags invokeAttr) in /_/src/libraries/System.Private.CoreLib/src/System/Reflection/MethodBaseInvoker.cs:line 57
   ----- Inner Stack Trace -----
      at System.IO.FileSystem.CreateDirectory(String fullPath, Byte[] securityDescriptor) in /_/src/libraries/Common/src/System/IO/FileSystem.DirectoryCreation.Windows.cs:line 134
      at System.Formats.Tar.TarEntry.ExtractRelativeToDirectory(String destinationDirectoryPath, Boolean overwrite, SortedDictionary`2 pendingModes, Stack`1 directoryModificationTimes, TarHardLinkMode hardLinkMode) in /_/src/libraries/System.Formats.Tar/src/System/Formats/Tar/TarEntry.cs:line 324
      at System.Formats.Tar.TarFile.ExtractToDirectoryInternal(Stream source, String destinationDirectoryFullPath, TarExtractOptions options, Boolean leaveOpen) in /_/src/libraries/System.Formats.Tar/src/System/Formats/Tar/TarFile.cs:line 664
      at System.Formats.Tar.TarFile.ExtractToDirectory(String sourceFileName, String destinationDirectoryName, TarExtractOptions options) in /_/src/libraries/System.Formats.Tar/src/System/Formats/Tar/TarFile.cs:line 448
      at System.Formats.Tar.Tests.TarFile_ExtractToDirectory_File_Tests.<>c__DisplayClass16_0.<ExtractToDirectory_RejectsChainedSymlinkDirectoryTraversal_WithNestedFile>b__0() in /_/src/libraries/System.Formats.Tar/tests/TarFile/TarFile.ExtractToDirectory.File.Tests.cs:line 548
   
10. github-actions

    added a commit that references this issue on Jul 6, 2026

    Accept UnauthorizedAccessException or IOException in Tar chained-syml…

    ...

    7332ed8
11. JulieLeeMSFT

    removed

    untriagedNew issue has not been triaged by the area ownerNew issue has not been triaged by the area owner

    on Jul 6, 2026
12. JulieLeeMSFT

    added this to the 11.0.0 milestone on Jul 6, 2026
13. JulieLeeMSFT

    assigned

    alinpahontu2912

    on Jul 6, 2026
14. alinpahontu2912

    added a commit that references this issue on Jul 7, 2026

    Fix symlink test failure (#130290)

    ...

    This issue will close once commit 7cdbdb3 is merged into the 'main' branch.

    7cdbdb3
15. alinpahontu2912

    closed this as completedin #130290on Jul 7, 2026
16. MichalStrehovsky

    marked ExtractToDirectory_RejectsChainedSymlinkDirectoryTraversal_WithNestedFile failing #130323 as a duplicate of this issue on Jul 7, 2026
17. eiriktsarpalis

    added a commit that references this issue on Jul 15, 2026

    Fix symlink test failure (#130290)

    ...

    This issue will close once commit ba6caeb is merged into the 'main' branch.

    ba6caeb
18. github-actions

    locked and limited conversation to collaborators on Aug 7, 2026