IBM Support

IT35881: MQ appliance might reload while closing an LDAP connection

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APAR status

  • Closed as program error.

Error description

  • MQ appliance might reload while closing an LDAP connection and
the
following error was reported in the appliance Error Report.

Thread 0xbb3bfc17: SecsUp 0x00000000001ba0cb, ptid
0x00007f0d28ec6700, xactid 0x0000000000173c47
Thread 0xbb3bfc17: death_action: signum 0x000000000000000b,
si_code 0x0000000000000001, eip 0x0000000002bd57ad, si_addr
0x00000000000000f2
Thread 0xbb3bfc17: Component=xmlfirewall, Domain=default,
Config=map
Thread 0xbb3bfc17: Context=dpPort, Type=1
Thread 0xbb3bfc17: Function detail: "drLDAP::sHandleRead".
Thread 0xbb3bfc17: System Name: ABCD1234
Thread 0xbb3bfc17: Serial: 99099099099

Local fix

  • 



Problem summary


    

  • ****************************************************************
USERS AFFECTED:
Users using MQ appliance with LDAP authentication


Platforms affected:
MultiPlatform

****************************************************************
PROBLEM DESCRIPTION:
A defect in MQ appliance SSL/TLS LDAP logic caused an invalid
pointer access and resulted in reload. MQ channels using TLS use
separate logic and are not affected by this issue.

    



Problem conclusion


    

  • MQ appliance SSL/TLS LDAP logic has been modified to prevent
invalid pointer access.

---------------------------------------------------------------
The fix is targeted for delivery in the following PTFs:

Version    Maintenance Level
v9.1 LTS   9.1.0.8
v9.2 LTS   9.2.0.2
v9.x CD    9.2.3

The latest available maintenance can be obtained from
'WebSphere MQ Recommended Fixes'
http://www-1.ibm.com/support/docview.wss?rs=171&uid=swg27006037

If the maintenance level is not yet available information on
its planned availability can be found in 'WebSphere MQ
Planned Maintenance Release Dates'
http://www-1.ibm.com/support/docview.wss?rs=171&uid=swg27006309
---------------------------------------------------------------

    



Temporary fix


    

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    IT35881
    • 

  • Reported component name
    MQ APPLIANCE M2
    • 

  • Reported component ID
    5737H4700
    • 

  • Reported release
    910
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    YesHIPER
    • 

  • Special Attention
    NoSpecatt / Xsystem
    • 

  • Submitted date
    2021-02-11
    • 

  • Closed date
    2021-03-30
    • 

  • Last modified date
    2021-03-30
    • 





    

  • APAR is sysrouted FROM one or more of the following:
    

    • 

  • APAR is sysrouted TO one or more of the following:
    

    • 



Fix information


    

  • Fixed component name
    MQ APPLIANCE M2
    • 

  • Fixed component ID
    5737H4700
    • 



Applicable component levels


    








      
              
                            

              

              [{"Line of Business":{"code":"LOB36","label":"IBM Automation"},"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SS5K6E","label":"IBM MQ Appliance"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"910"}]
              

                          

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            31 March 2021
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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