XWEB: Bad Error Handling in CfolderRender::put_DataSource Causes OWA to Crash

ID: Q193675

The information in this article applies to:

Microsoft Exchange Server, version 5.5 Service Pack 1

SYMPTOMS

When you use Outlook Web Access (OWA) to access folders on Microsoft Exchange Server, an access violation may occur. The access violation may result in a Dr. Watson error, with the following information in the Drwtsn32.log file:


   Application exception occurred:
      App: exe\inetinfo.dbg (pid=145)
      When: 7/10/1998 @ 13:56:52.70
      Exception number: c0000005 (access violation)

Below is the thread that caused the fault. Please note that the thread information below was seen on an Alpha platform; however, the problem exists in both the x86 and Alpha builds of OWA.


   function: CContainerRenderer::put_DataSource
      023de280: 214a001f lda     s1,1f(s1)
      023de284: b07e0050 stl     t2,50(sp)
      023de288: b15e004c stl     s1,4c(sp)
      023de28c: a2090038 ldl     a0,38(s0)
      023de290: a0b00000 ldl     t4,0(a0)
      023de294: a0050014 ldl     v0,14(t4)
      023de298: 6b404000 jsr     ra,(v0),0    8004010c
      023de29c: a03e0058 ldl     t0,58(sp)
      023de2a0: 47e0040b bis     zero,v0,s2
      023de2a4: 263f0243 ldah    a1,243(zero)
      FAULT ->023de2a8: a0610000 ldl     t2,0(t0)
      023de2ac: 223176b0 lda     a1,76b0(a1)
      023de2b0: 406a05a3 cmpeq   t2,s1,t2
      023de2b4: e460000f beq     t2,023de2f4
       CContainerRenderer::put_DataSource+404
      023de2b8: a2010008 ldl     a0,8(t0)
      023de2bc: d3415744 bsr     ra,02433fd0  wcsicmp
      023de2c0: f4000003 bne     v0,023de2d0
       CContainerRenderer::put_DataSource+3e0
      023de2c4: 47e05401 bis     zero,#2,t0
      023de2c8: b0290060 stl     t0,60(s0)
      023de2cc: c3e0000a br      zero,023de2f8
       CContainerRenderer::put_DataSource+408
      023de2d0: a07e0058 ldl     t2,58(sp)
      023de2d4: 263f0243 ldah    a1,243(zero)

   *----> Stack Back Trace <----*

   FramePtr ReturnAd Param#1  Param#2  Param#3  Param#4  Function Name
   042bf290 651cbcfc 045d3080 02430000 0532d518 2b2326b0
    cdohtml!CContainerRenderer::put_DataSource [omap]
   042bf340 6523a184 0065726f 00000009 072750a0 00000000
    oleaut32!DispCallFunc
   042bf3c0 fffffffc 042bf578 00000009 00000009 00000004
    oleaut32!<nosymbols>
   042bf3c0 00000000 042bf578 00000009 00000009 00000004 <nosymbols>

CAUSE

A call to m_pmp->GetProps can return MAPI_E_NOT_FOUND but this condition is not handled properly and results in an access violation. This problem was introduced in Microsoft Exchange Server 5.5 Service Pack 1.

RESOLUTION

To resolve this problem, obtain the latest service pack for Exchange Server version 5.5. For more information, please see the following article in the Microsoft Knowledge Base:

Q191014 XGEN: How to Obtain the Latest Exchange Server 5.5 Service Pack

The English version of this fix should have the following file attributes or later:

Component: Outlook Web Access


   File Name     Version
   ------------------------
   Cdohtml.dll   5.5.2387.0

STATUS

Microsoft has confirmed this to be a problem in Microsoft Exchange Server version 5.5 Service Pack 1. This problem was first corrected in Exchange Server 5.5 Service Pack 2.

Additional query words: exfclnfaq cdohmtl crash OWA

Keywords : exc55sp2fix XWEB
Version : 5.5 SP1
Platform : winnt
Issue type : kbbug