Cancelled writes hypothesis

[adamsitnik]

related to #56894, please ignore it for now

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Issue Details

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related to #56894, please ignore it for now

Author:	adamsitnik
Assignees:	-
Labels:	area-System.IO
Milestone:	6.0.0

[adamsitnik]

I was right:

Process terminated. Assertion failed.
Callback returned 995 error and 1547079704 bytes
   at Microsoft.Win32.SafeHandles.SafeFileHandle.OverlappedValueTaskSource.Complete(UInt32 errorCode, UInt32 numBytes) in /_/src/libraries/System.Private.CoreLib/src/Microsoft/Win32/SafeHandles/SafeFileHandle.OverlappedValueTaskSource.Windows.cs:line 198
   at System.Threading._IOCompletionCallback.PerformIOCompletionCallback(UInt32 errorCode, UInt32 numBytes, NativeOverlapped* pNativeOverlapped) in /_/src/coreclr/System.Private.CoreLib/src/System/Threading

    System.IO.Tests.FileStream_WriteAsync_AsyncWrites.TriggerTheProblemAsync [FAIL]
      System.Exception : The error code was 995 and numBytes was 189216864
      Stack Trace:
        /_/src/libraries/System.Private.CoreLib/src/Microsoft/Win32/SafeHandles/SafeFileHandle.OverlappedValueTaskSource.Windows.cs(101,0): at Microsoft.Win32.SafeHandles.SafeFileHandle.OverlappedValueTaskSource.GetResult(Int16 token)
        /_/src/libraries/System.Private.CoreLib/src/Microsoft/Win32/SafeHandles/SafeFileHandle.OverlappedValueTaskSource.Windows.cs(96,0): at Microsoft.Win32.SafeHandles.SafeFileHandle.OverlappedValueTaskSource.System.Threading.Tasks.Sources.IValueTaskSource.GetResult(Int16 token)
        /_/src/libraries/System.Private.CoreLib/src/System/Threading/Tasks/ValueTask.cs(251,0): at System.Threading.Tasks.ValueTask.ValueTaskSourceAsTask.<>c.<.cctor>b__4_0(Object state)
        --- End of stack trace from previous location ---
        /_/src/libraries/System.IO.FileSystem/tests/FileStream/WriteAsync.cs(131,0): at System.IO.Tests.FileStream_AsyncWrites.WriteAsyncCancelledFile(Int32 bufferSize, FileOptions fileOptions)
        /_/src/libraries/System.IO.FileSystem/tests/FileStream/WriteAsync.cs(110,0): at System.IO.Tests.FileStream_AsyncWrites.TriggerTheProblemAsync()
        --- End of stack trace from previous location ---