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IIS Agent 12.52.104.2032 crashes --> Critical Section: ISAPI6WebAgent!CSmTliBuffer::`vftable' No owner recorded, in transition or corrupt open start of function

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Article ID: 236839

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Updated On:

Products

CA Single Sign On Agents (SiteMinder)

Issue/Introduction

IIS Web server Agent randomly crashes with the below call stack 

 

Crashing Stack

============================================

DbgID ThreadID        User Kernel Create Time (UTC)

20   2d38 (0n11576) 250ms  250ms 02/17/2022 01:46:17.937 AM

 

# Child-SP         Return           Call Site                                      Info                                                                                                 Source

0 00000095f6fddc30 00007ffc4e4fb364 ntdll!RtlpWaitOnCriticalSection+0xb6                                                                                                                open start of function
1 00000095f6fddd00 0000000000754e54 ntdll!RtlpEnterCriticalSectionContended+0xa4   Critical Section: ISAPI6WebAgent!CSmTliBuffer::`vftable' No owner recorded, in transition or corrupt open start of function
2 00000095f6fddd40 00000000008144c9ISAPI6WebAgent!CSmAgentTliPacket::`default constructor closure'+0x93d4
 3 00000095f6fddef0 000000000071347f ISAPI6WebAgent!CSmPasswordMsgWriter::WriteMessage+0x2a509
 4 00000095f6fddf30 000000000083cc0b ISAPI6WebAgent!CSmPasswordMsgWriter::operator=+0x161f
 5 00000095f6fdf060 0000000000737106 ISAPI6WebAgent!CSmPasswordMsgWriter::WriteMessage+0x52c4b
 6 00000095f6fdf090 0000000000735d98 ISAPI6WebAgent!CSmPasswordMsgWriter::operator=+0x252a6
 7 00000095f6fdf160 0000000000851c2a ISAPI6WebAgent!CSmPasswordMsgWriter::operator=+0x23f38
 8 00000095f6fdf1c0 0000000000851e56 ISAPI6WebAgent!CSmPasswordMsgWriter::WriteMessage+0x67c6a
 9 00000095f6fdf210 00007ffc4e4dc404 ISAPI6WebAgent!CSmPasswordMsgWriter::WriteMessage+0x67e96

Environment

Release : 1252 SP1 CR04

Component : SITEMINDER -WEB AGENT FOR IIS

Resolution

12.52 SP1 CR04 is an older version which many Defects / Enhancement were Introduced on top of it available in the 12.52 SP1 CR11.

Upgrading to CR11 release will fix the above reported crash