AccessVio

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  AccessViolationException when we try to access the IMAPI objects. This seems to be happen in few machines after windows update (August 13, 2019—KB4512501 (OS Build 17134.950)).

  1. Also it not only affect IMAPI it affect different places where Interop Marshaling is happening.
  2. Also we found AccessViolationException in our Reporting component. (LayoutManager.UpdatePageBreaks())
  3. UCMS IT service tool also crashing because of the same issue.

  Currently we found it is happening in 4 machines after this KB update. Once we uninstall we don’t see this issue.

  Attached call stack for various places.

  Optical Drive:
  _______________________
  Application: syngo.DS.FE.Shell.exe
  Framework Version: v4.0.30319
  Description: The process was terminated due to an unhandled exception.
  Exception Info: System.AccessViolationException
  at System.Runtime.InteropServices.CustomMarshalers.EnumeratorViewOfEnumVariant.GetEnumVariant()
  at System.Runtime.InteropServices.CustomMarshalers.EnumeratorViewOfEnumVariant.MoveNext()
  at syngo.DS.FE.LocalMedia.OpticalDrive.OpticalDrives+<get_DeviceIds>d__8.MoveNext()
  at System.Linq.Enumerable+WhereEnumerableIterator`1[[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].MoveNext()
  at syngo.DS.FE.LocalMedia.OpticalDrive.OpticalDrives.GetMediaRecorders(syngo.DS.FE.LocalMedia.OpticalDrive.DeviceType, System.Func`2<syngo.DS.FE.LocalMedia.OpticalDrive.IMediaRecorder,Boolean>)
  at syngo.DS.FE.LocalMedia.ViewModels.CustomExportDialogViewModel.AvailableOpticalDrive()
  at syngo.DS.FE.LocalMedia.ViewModels.CustomExportDialogViewModel.GetDvdList()
  at System.Threading.Tasks.Task`1[[System.__Canon, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089]].InnerInvoke()
  at System.Threading.Tasks.Task.Execute()
  at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
  at System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
  at System.Threading.Tasks.Task.ExecuteWithThreadLocal(System.Threading.Tasks.Task ByRef)
  at System.Threading.Tasks.Task.ExecuteEntry(Boolean)
  at System.Threading.ThreadPoolWorkQueue.Dispatch()
  
  Reporting:
  ________________________________________
  Unhandled exception in Reporting: System.AccessViolationException: Attempted to read or write protected memory. This is often an indication that other memory is corrupt.
  at System.Runtime.InteropServices.CustomMarshalers.EnumeratorViewOfEnumVariant.GetEnumVariant()
  at System.Runtime.InteropServices.CustomMarshalers.EnumeratorViewOfEnumVariant.MoveNext()
  at KinetDx.CommonUtilities.HTMLUtilities.<GetAllVisibleHtmlElementsHelper>d__3.MoveNext() in d:\ProductFolder\Main\Report\Common\CommonUtilities\HTMLUtilities.cs:line 71
  at KinetDx.CommonUtilities.HTMLUtilities.<GetAllVisibleHtmlElements>d__5.MoveNext() in d:\ProductFolder\Main\Report\Common\CommonUtilities\HTMLUtilities.cs:line 122
  at KinetDx.Report.LayoutManager.ClearSectionsWithPageBreaks() in d:\ProductFolder\Main\Report\Report\LayoutManager.cs:line 514
  at KinetDx.Report.LayoutManager.UpdatePageBreaks() in d:\ProductFolder\Main\Report\Report\LayoutManager.cs:line 557
  ________________________________________
  UCMS:
  ________________________________________
  Application: UCMS.exe
  Framework Version: v4.0.30319
  Description: The process was terminated due to an unhandled exception.
  Exception Info: System.AccessViolationException
  at System.Runtime.InteropServices.CustomMarshalers.EnumeratorViewOfEnumVariant.GetEnumVariant()
  at System.Runtime.InteropServices.CustomMarshalers.EnumeratorViewOfEnumVariant.MoveNext()
  at UCMS.Service.CoreService.ivuxpQUO3XdKwTtYrJh(System.Object)
  at UCMS.Service.CoreService.O5NzMvBKX(Boolean, Boolean, Boolean)
  at UCMS.Service.CoreService.IkxQYFCLr()
  at System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
  at System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object, Boolean)
  at System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext, System.Threading.ContextCallback, System.Object)
  at System.Threading.ThreadHelper.ThreadStart()
  

  
  
  

  • Moved by Wendy ZangMicrosoft contingent staff Wednesday, September 4, 2019 9:23 AM

  Tuesday, September 3, 2019 5:33 AM