FIX: A Microsoft Foundation Classes (MFC) application that you create in Visual Studio .NET 2003 and that uses the CStringArray class and the CStringData class may unexpectedly close (902338)


The information in this article applies to:

  • Microsoft Visual Studio .NET (2003), Professional Edition
  • Microsoft Visual Studio .NET (2003), Enterprise Developer Edition
  • Microsoft Visual Studio .NET (2003), Enterprise Architect Edition
  • Microsoft Visual Studio .NET (2003), Academic Edition

SYMPTOMS

In Microsoft Visual Studio .NET 2003, you create a Microsoft Foundation Classes (MFC) application that uses the CStringArray class and the CStringData class. After the application runs for an extended period, the application may unexpectedly close (crash). When you examine the call stack information, you notice that the application unexpectedly closes when the MFC71u!ATL::CStringData::Release method is executed.

CAUSE

This problem occurs because every time that you call the CStringArray::InsertAt method, the nRefs member is increased by 4. When the value of the nRefs member exceeds 2,147,483,647, the value of the nRefs member becomes negative. A negative value changes the way in which the CStringData class manages shared access.

RESOLUTION

Hotfix information

A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next Visual Studio .NET 2003 service pack that contains this hotfix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support

Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

Prerequisites

To apply this hotfix, you must have Visual Studio .NET 2003 installed on the computer.

Restart requirement

You do not have to restart the computer after you apply this hotfix.

File information

The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.
   Date         Time   Version      Size        File name
   ------------------------------------------------------------
   17-Jul-2003  23:22                   56,223  Afx.h
   14-Jun-2005  17:25                    9,801  Array_s.cpp
   29-Jun-2005  03:22                   14,546  Atl.lib
   29-Jun-2005  03:22  7.10.5011.0     106,496  Atl71.dll
   29-Jun-2005  03:22  7.10.5011.0      89,088  Atl71.dll
   29-Jun-2005  03:22  7.10.5011.0      89,088  Atl71.dll
   29-Jun-2005  03:22                2,043,904  Atl71.pdb
   29-Jun-2005  03:22                2,052,096  Atl71.pdb
   18-Nov-2003  05:55                   17,677  ATLComTime.inl
   22-Jan-2004  20:05                   13,014  Atlevent.h
   04-May-2004  19:11                   76,374  Atlhost.h
   29-Jun-2005  03:22                1,199,632  Atls.lib
   29-Jun-2005  03:22                1,323,008  Atls.pdb
   29-Jun-2005  03:22                1,240,238  Atlsd.lib
   29-Jun-2005  03:22                1,323,008  Atlsd.pdb
   29-Aug-2003  23:16                   10,647  Atltime.h
   29-Aug-2003  23:18                   14,773  Atltime.inl
   03-Aug-2004  20:55                  118,402  Dbcore.cpp
   02-Nov-2004  20:46                   22,956  Dllinit.cpp
   29-Jun-2005  03:55                  319,838  Eafxis.lib
   29-Jun-2005  03:55                  897,024  Eafxis.pdb
   29-Jun-2005  03:55                  311,100  Eafxisd.lib
   29-Jun-2005  03:55                  724,992  Eafxisd.pdb
   11-Sep-2003  21:30                    9,121  Filest.cpp
   29-Jun-2005  03:57  7.10.5011.0   2,187,264  Mfc71d.dll
   29-Jun-2005  03:58  7.10.5011.0   1,056,768  MFC71.dll
   29-Jun-2005  03:58                2,580,010  Mfc71.lib
   29-Jun-2005  03:58                7,105,536  Mfc71.pdb
   29-Jun-2005  04:03  7.10.5011.0      40,960  MFC71CHS.DLL
   29-Jun-2005  04:03  7.10.5011.0      45,056  MFC71CHT.DLL
   29-Jun-2005  03:57                3,361,062  Mfc71d.lib
   29-Jun-2005  03:57                8,326,144  MFC71d.pdb
   29-Jun-2005  04:03  7.10.5011.0      65,536  MFC71DEU.DLL
   29-Jun-2005  04:03  7.10.5011.0      57,344  MFC71ENU.DLL
   29-Jun-2005  04:03  7.10.5011.0      61,440  MFC71ESP.DLL
   29-Jun-2005  04:03  7.10.5011.0      61,440  MFC71FRA.DLL
   29-Jun-2005  04:03  7.10.5011.0      61,440  MFC71ITA.DLL
   29-Jun-2005  04:03  7.10.5011.0      49,152  MFC71JPN.DLL
   29-Jun-2005  04:03  7.10.5011.0      49,152  MFC71KOR.DLL
   29-Jun-2005  04:16  7.10.5011.0   1,049,600  MFC71u.dll
   29-Jun-2005  04:00                3,348,140  Mfc71u.lib
   29-Jun-2005  04:16               10,415,104  Mfc71u.pdb
   29-Jun-2005  03:58  7.10.5011.0   2,182,144  Mfc71ud.dll
   29-Jun-2005  03:59                4,287,960  Mfc71ud.lib
   29-Jun-2005  03:58                8,367,104  Mfc71ud.pdb
   29-Jun-2005  03:58                  561,646  Mfcs71.lib
   29-Jun-2005  03:58                1,929,216  Mfcs71.pdb
   29-Jun-2005  03:57                  582,136  Mfcs71d.lib
   29-Jun-2005  03:57                1,937,408  Mfcs71d.pdb
   29-Jun-2005  04:07                  490,054  Mfcs71u.lib
   29-Jun-2005  04:07                1,937,408  Mfcs71u.pdb
   29-Jun-2005  03:59                  507,600  Mfcs71ud.lib
   29-Jun-2005  03:59                1,945,600  Mfcs71ud.pdb
   29-Jun-2005  03:55               16,946,546  Nafxcw.lib
   29-Jun-2005  03:55                2,125,824  Nafxcw.pdb
   29-Jun-2005  03:55               17,069,486  Nafxcwd.lib
   29-Jun-2005  03:55                2,142,208  Nafxcwd.pdb
   29-Jun-2005  03:55                  129,230  Nafxis.lib
   29-Jun-2005  03:55                  110,592  Nafxis.pdb
   29-Jun-2005  03:55                  133,302  Nafxisd.lib
   29-Jun-2005  03:55                  110,592  Nafxisd.pdb
   17-Jul-2003  23:19                    6,073  Objcore.cpp
   18-Jul-2003  00:21                   24,323  Occcont.cpp
   16-Jul-2004  22:33                   20,901  Occdlg.cpp
   05-Aug-2004  23:07                   39,089  Oledlgs1.cpp
   01-Feb-2005  21:37                   21,661  Oledobj2.cpp
   20-Jan-2004  21:31                   16,801  Olefact.cpp
   25-Mar-2004  07:32                   40,431  Olepset.cpp
   05-May-2004  16:48                   14,141  Olestrm.cpp
   14-Jul-2004  20:47                   34,214  Statreg.h
   29-Jun-2005  03:57               17,245,174  Uafxcw.lib
   29-Jun-2005  03:56                2,125,824  Uafxcw.pdb
   29-Jun-2005  03:57               17,461,510  Uafxcwd.lib
   29-Jun-2005  03:56                2,142,208  Uafxcwd.pdb
   29-Jun-2005  16:18                  101,376  VC_User_ATL71_RTL_X86_---.msm
   29-Jun-2005  16:18                  100,864  VC_User_MFC71_Loc_RTL_X86_---.msm
   29-Jun-2005  16:18                  890,880  VC_User_MFC71_RTL_X86_---.msm
   17-Aug-2004  21:01                   65,514  Winfrm.cpp
   23-Feb-2005  00:04                   23,623  Winocc.cpp

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

MORE INFORMATION

For more information, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates

For more information, visit the following Microsoft Developer Network (MSDN) Web sites:

CStringArray class
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vclib/html/_MFC_CStringArray.asp

CStringData class
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vclib/html/vclrfCStringData.asp

Microsoft Foundation Class Library
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vcmfc98/html/mfchm.asp

Call stack information

When this problem occurs, the following call stack is generated:

18cfe844 0038347e MFC71u!ATL::CStringData::Release+0x16 
18cff3e8 77f467f9 msvcr71!_NLG_Return 
18cff568 7c27400d ntdll!RtlFreeHeap+0x642 
18cff590 00730508 MFC71u!CThreadLocalObject::GetData+0x4f

Modification Type:MajorLast Reviewed:5/15/2006
Keywords:kbBug kbfix kbQFE kbVSNET2003preSP1fix kbHotfixServer KB902338 kbAudDeveloper
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