Q166162: XFOR: MACGATE Access Violation During Generation of Admin Msg
Article: Q166162
Product(s): Microsoft Exchange
Version(s): 4.0 5.0
Operating System(s):
Keyword(s): kbtshoot kbusage
Last Modified: 13-MAY-1999
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The information in this article applies to:
- Microsoft Exchange Server, versions 4.0, 5.0
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SYMPTOMS
========
When processing a bad message, the Macintosh Gateway causes an access violation
in Macgate.exe.
CAUSE
=====
An improper argument is being passed to a heap deallocation routine.
STATUS
======
Microsoft has confirmed this to be a problem in Microsoft Exchange versions 4.0
and 5.0.
This problem has been corrected in the latest U.S. Service Pack for Microsoft
Exchange Server version 4.0. For information on obtaining the Service Pack,
query on the following word in the Microsoft Knowledge Base (without the
spaces):
S E R V P A C K
This problem was corrected in the latest Microsoft Exchange Server 5.0 U.S.
Service Pack. For information on obtaining the service pack, query on the
following word in the Microsoft Knowledge Base (without the spaces):
S E R V P A C K
MORE INFORMATION
================
The Drwtsn32.log may look similar to:
State Dump for Thread Id 0x177
Application exception occurred:
App: macgate.DBG (pid=177)
When: 3/27/1997 @ 10:58:16.609
Exception number: c0000005 (access violation)
eax=ffffffff ebx=00000000 ecx=77f3be08 edx=00140548 esi=00140000
edi=00d2f690
eip=77f64d9a esp=00d2f63c ebp=00d2f654 iopl=0 nv up ei pl zr na
po nc
cs=001b ss=0023 ds=0023 es=0023 fs=0038 gs=0000
efl=00000246
function: RtlFreeHeap
77f64d75 85db test ebx,ebx
77f64d77 0f85a1000000 jne RtlFreeHeap+0x1ec (77f64e1e)
77f64d7d ffb6b8040000 push dword ptr [esi+0x4b8]
ds:001404b8=00140548
77f64d83 e8e8270000 call RtlLeaveCriticalSection
(77f67570)
77f64d88 e991000000 jmp RtlFreeHeap+0x1ec (77f64e1e)
77f64d8d 83ef18 sub edi,0x18
77f64d90 85db test ebx,ebx
77f64d92 897df8 mov [ebp-0x8],edi
ss:01c3e05a=????????
77f64d95 8b0f mov ecx,[edi]
ds:00d2f690=77f3be08
77f64d97 8b4704 mov eax,[edi+0x4]
ds:01c3e096=????????
FAULT ->77f64d9a 8908 mov [eax],ecx
ds:ffffffff=????????
77f64d9c 894104 mov [ecx+0x4],eax
ds:78e4a80e=????????
77f64d9f 750b jnz RtlFreeHeap+0x17a (77f64dac)
77f64da1 ffb6b8040000 push dword ptr [esi+0x4b8]
ds:001404b8=00140548
77f64da7 e8c4270000 call RtlLeaveCriticalSection
(77f67570)
77f64dac 6800800000 push 0x8000
77f64db1 8d45fc lea eax,[ebp-0x4]
ss:01c3e05a=????????
77f64db4 50 push eax
77f64db5 8d4df8 lea ecx,[ebp-0x8]
ss:01c3e05a=????????
77f64db8 c745fc00000000 mov dword ptr [ebp-0x4],0x0
ss:01c3e05a=????????
77f64dbf 51 push ecx
77f64dc0 6aff push 0xff
*----> Stack Back Trace <----*
FramePtr ReturnAd Param#1 Param#2 Param#3 Param#4 Function Name
00d2f654 77f02a81 00140000 00000000 00d2f6b0 77f13130 ntdll!RtlFreeHeap
00d2f698 00406715 00d2f6b0 77e77ea7 00000001 00143900 kernel32!LocalFree
00d2f710 00403181 80020bc2 80020bbe 00d2f748 00000000
macgate!GenerateAdminMsg
00d2f988 00403c70 00d2f9f0 00000000 00000001 0000ea60 macgate!LogBadFile
00d2fe70 00402852 00d2ffec 00000000 00000000 00000000
macgate!ProcessMactoPCMessages
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Keywords : kbtshoot kbusage
Technology : kbExchangeSearch kbExchange500 kbExchange400 kbZNotKeyword2
Version : 4.0 5.0
Issue type : kbbug
Solution Type : kbfix
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