XFOR: Access Violation in Lsdxants.exe with Long Fullname Field

 Last reviewed: February 20, 1998
Article ID: Q181421
The information in this article applies to:
  • Microsoft Exchange Server, versions 4.0, 5.0, and 5.5
  • Linkage Message Exchange, version 3.2

SYMPTOMS

The Linkage Directory Exchange Agent for Lotus Notes version 3.2 may access violate when encountering a Lotus Notes document Fullname attribute that is greater than 252 characters. The resulting crash will include LSDXANTS!LNDXAProcessOutbound in the stack frame.

The Linkage event log will look similar to the following when this occurs: 

1998/01/30 12:12:44-                     DXM(01d2) 3 62501:Starting DX work
item 16 for agent LINKAGE(DXANOTES): RequestDXAUpdates Full 
 >> dxmpo(417)
1998/01/30 12:12:45-                     DXM(01d2) 3 60277:Opening the MIF
read queue dxm.in 
 >> mif(362)
1998/01/30 12:12:45-                     DXM(01d2) 3 60277:Opening the MIF
write queue frouter.in 
 >> mif(362)
*****************some entries removed********************************* 

1998/01/30 12:12:46-                DXANOTES(01ad) 3 60315:Create a new
outbound item for agent 0, sequence 2, partition 1 
 >> mifpbld(238)
1998/01/30 12:12:46-                DXANOTES(01ad) 3 60283:New message is
being created for agent 0 
 >> mifbuild(329)
1998/01/30 12:12:46-                DXANOTES(01ad) 4 04107:Queue router.in
has been opened (physical location is q\router.in) 
 >> qm(1884)
1998/01/30 12:12:46-                DXANOTES(01ad) 3 60326:Creating a new
partition in the queue c:\linkage\q\archive >> mifbuild(591) 
1998/01/30 12:12:46-                DXANOTES(01ad) 3 60284:Writing header
with sequence 2, part 1 
 >> mifbuild(1006)
1998/01/30 12:12:46-                DXANOTES(01ad) 3 60248:Searching
directory c:\linkage\q\archive\ for MIF partition block files 
 >> mifmpb(1648)
1998/01/30 12:12:46-                DXANOTES(01ad) 4 64136:Looking for
changes in CEMENT.NSF 
 >> lndxapo(966)
1998/01/30 12:12:48-                DXANOTES(01ad) 3 41121:Looking for
changes since 01/01/1980 12:00:00AM 
 >> lsnabapi(1930)
1998/01/30 12:12:48-                DXANOTES(01ad) 3 41110:The number of
possible notes to process is 4

The process DX Agent for Lotus Notes (DXANOTES) will be set to “Generating Updates” in the current activity column in the Linkage Administrator Process Manager window.

CAUSE

The Directory Agent for Lotus Notes allocates a maximum buffer of 252 character for the Fullname field. It provides no error handling when a Fullname string greater than this is encountered. This causes the process to overflow the buffer, corrupt the stack, and eventually access violate. );

STATUS

Microsoft has confirmed this to be a problem in Linkage Message Exchange version 3.2. A supported fix is now available, but has not been fully regression-tested and should be applied only to systems experiencing this specific problem. Unless you are severely impacted by this specific problem, Microsoft recommends that you wait for the next Service Pack that contains this fix. Contact Microsoft Technical Support for more information.

Additional query words: Lotus crash hang AV Dr. Watson LDE
Keywords : XFOR
Version : WINDOWS:4.0,5.0,5.5
Platform : WINDOWS
Issue type : kbbug
Solution Type : kbfix

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Last reviewed: February 20, 1998
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