Test failure System.IO.Tests.Directory_EnumFSE_str_str_so.PatternTests_DosQM(pattern: \"f???.txt\", sourceFiles: [\"f.txt\", \"foo.txt\", \"foob.txt\", \"fooba.txt\", \"foobar.txt\"], expected: [\"f.txt\", \"foo.txt\", \"foob.txt\"])

[VincentBu]

Run: runtime 20210616.88

Failed test:

net6.0-windows-Release-x86-CoreCLR_release-Windows.7.Amd64.Open

- System.IO.Tests.Directory_EnumFSE_str_str_so.PatternTests_DosQM(pattern: \"f???.txt\", sourceFiles: [\"f.txt\", \"foo.txt\", \"foob.txt\", \"fooba.txt\", \"foobar.txt\"], expected: [\"f.txt\", \"foo.txt\", \"foob.txt\"])

Error message:

System.IO.IOException : The handle is invalid. : 'C:\h\w\A7C2092A\t\Directory_EnumFSE_str_str_so_q4ywmcyq.ln3\PrepareDirectory_539_4ee05970\foob.txt'


Stack trace
   at System.IO.RandomAccess.WriteAtOffset(SafeFileHandle handle, ReadOnlySpan`1 buffer, Int64 fileOffset, String path) in /_/src/libraries/System.Private.CoreLib/src/System/IO/RandomAccess.Windows.cs:line 77
   at System.IO.Strategies.SyncWindowsFileStreamStrategy.WriteSpan(ReadOnlySpan`1 source) in /_/src/libraries/System.Private.CoreLib/src/System/IO/Strategies/SyncWindowsFileStreamStrategy.cs:line 104
   at System.IO.Strategies.BufferedFileStreamStrategy.Flush(Boolean flushToDisk) in /_/src/libraries/System.Private.CoreLib/src/System/IO/Strategies/BufferedFileStreamStrategy.cs:line 792
   at System.IO.FileStream.Flush() in /_/src/libraries/System.Private.CoreLib/src/System/IO/FileStream.cs:line 350
   at System.IO.StreamWriter.Flush(Boolean flushStream, Boolean flushEncoder) in /_/src/libraries/System.Private.CoreLib/src/System/IO/StreamWriter.cs:line 327
   at System.IO.StreamWriter.Dispose(Boolean disposing) in /_/src/libraries/System.Private.CoreLib/src/System/IO/StreamWriter.cs:line 220
   at System.IO.File.WriteAllText(String path, String contents) in /_/src/libraries/System.Private.CoreLib/src/System/IO/File.cs:line 307
   at System.IO.Tests.Directory_GetFileSystemEntries_str_str.PrepareDirectory(String[] sourceFiles, Boolean useExtendedPaths) in /_/src/libraries/System.IO.FileSystem/tests/Directory/GetFileSystemEntries_str_str.cs:line 539
   at System.IO.Tests.Directory_GetFileSystemEntries_str_str.PatternTests_DosQM(String pattern, String[] sourceFiles, String[] expected) in /_/src/libraries/System.IO.FileSystem/tests/Directory/GetFileSystemEntries_str_str.cs:line 242

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Issue Details

---

Run: runtime 20210616.88

Failed test:

net6.0-windows-Release-x86-CoreCLR_release-Windows.7.Amd64.Open

- System.IO.Tests.Directory_EnumFSE_str_str_so.PatternTests_DosQM(pattern: \"f???.txt\", sourceFiles: [\"f.txt\", \"foo.txt\", \"foob.txt\", \"fooba.txt\", \"foobar.txt\"], expected: [\"f.txt\", \"foo.txt\", \"foob.txt\"])

Error message:

System.IO.IOException : The handle is invalid. : 'C:\h\w\A7C2092A\t\Directory_EnumFSE_str_str_so_q4ywmcyq.ln3\PrepareDirectory_539_4ee05970\foob.txt'


Stack trace
   at System.IO.RandomAccess.WriteAtOffset(SafeFileHandle handle, ReadOnlySpan`1 buffer, Int64 fileOffset, String path) in /_/src/libraries/System.Private.CoreLib/src/System/IO/RandomAccess.Windows.cs:line 77
   at System.IO.Strategies.SyncWindowsFileStreamStrategy.WriteSpan(ReadOnlySpan`1 source) in /_/src/libraries/System.Private.CoreLib/src/System/IO/Strategies/SyncWindowsFileStreamStrategy.cs:line 104
   at System.IO.Strategies.BufferedFileStreamStrategy.Flush(Boolean flushToDisk) in /_/src/libraries/System.Private.CoreLib/src/System/IO/Strategies/BufferedFileStreamStrategy.cs:line 792
   at System.IO.FileStream.Flush() in /_/src/libraries/System.Private.CoreLib/src/System/IO/FileStream.cs:line 350
   at System.IO.StreamWriter.Flush(Boolean flushStream, Boolean flushEncoder) in /_/src/libraries/System.Private.CoreLib/src/System/IO/StreamWriter.cs:line 327
   at System.IO.StreamWriter.Dispose(Boolean disposing) in /_/src/libraries/System.Private.CoreLib/src/System/IO/StreamWriter.cs:line 220
   at System.IO.File.WriteAllText(String path, String contents) in /_/src/libraries/System.Private.CoreLib/src/System/IO/File.cs:line 307
   at System.IO.Tests.Directory_GetFileSystemEntries_str_str.PrepareDirectory(String[] sourceFiles, Boolean useExtendedPaths) in /_/src/libraries/System.IO.FileSystem/tests/Directory/GetFileSystemEntries_str_str.cs:line 539
   at System.IO.Tests.Directory_GetFileSystemEntries_str_str.PatternTests_DosQM(String pattern, String[] sourceFiles, String[] expected) in /_/src/libraries/System.IO.FileSystem/tests/Directory/GetFileSystemEntries_str_str.cs:line 242

Author:	VincentBu
Assignees:	-
Labels:	arch-x86, area-System.IO, os-windows
Milestone:	-

[danmoseley]

@dotnet/area-system-io related to FileStream work?

[adamsitnik]

Fixed by @danmoseley in #54660 (this is the first time we see it on Windows btw)