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PM87367: ABEND0C4 RC38 DSNXGRDS.DSNXOCS +50FE

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APAR status

  • Closed as program error.

Error description

  • ABEND0C4 RC00000038 at DSNXGRDS.DSNXOCS +50FE OFFSET50FE

Additional Keywords: SMCOVERLAY DB2OVRLAY/K

Local fix

  • N/A

Problem summary

  • ****************************************************************
* USERS AFFECTED: All users of DB2 10 and DB2 11 for z/OS who  *
*                 have DSN_DETCOST_TABLE defined               *
****************************************************************
* PROBLEM DESCRIPTION: ABEND0C4 RC38 in DSNXOCS +50FE          *
*                      ABEND0C4 RC3B in DSNXOCSM +6772         *
*                      ABEND0C4 RC3B in DSNXOCSN +A9B0         *
*                      ABEND0C4 RC38 in DSNXOCSM +5FD4         *
*                      ABEND0C4 RC3A in DSNXOCSM +5FD4         *
*                      or various abends can                   *
*                      occur for a query during EXPLAIN when   *
*                      DSN_DETCOST_TABLE is defined            *
****************************************************************
* RECOMMENDATION:                                              *
****************************************************************
ABEND0C4 RC38 in DSNXOCS +50FE
ABEND0C4 RC3B in DSNXOCSM +6772
ABEND0C4 RC3B in DSNXOCSN +A9B0
ABEND0C4 RC38 in DSNXOCSM +5FD4
ABEND0C4 RC3A in DSNXOCSM +5FD4
or various related abends can occur on EXPLAIN of a query
when DSN_DETCOST_TABLE is defined.  A dangling pointer can
exist that points to freed storage.  The pointer can later be
referenced to pick up garbage.  Certain garbage values can
result in the abend.

Additional Keywords:
SQLEXPLAIN
ABEND0C4 RC38 DSNXOCS OFFSET50FE
ABEND0C4 RC3B DSNXOCSM OFFSET6772
ABEND0C4 RC3B DSNXOCSN OFFSETA9B0
ABEND0C4 RC38 DSNXOCSM OFFSET5FD4
ABEND0C4 RC3A DSNXOCSM OFFSET5FD4

Problem conclusion

  • Code is changed to free the storage after the pointer is no
longer needed.

Temporary fix

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    PM87367
    • 

  • Reported component name
    DB2 OS/390 & Z/
    • 

  • Reported component ID
    5740XYR00
    • 

  • Reported release
    A10
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt
    • 

  • Submitted date
    2013-04-19
    • 

  • Closed date
    2013-10-11
    • 

  • Last modified date
    2013-11-04
    • 





    

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

    • 

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

    
UK98286 UK98287
    

    • 



Modules/Macros


    

  • DSNXOSJO DSNXOTS

    



Fix information


    

  • Fixed component name
    DB2 OS/390 & Z/
    • 

  • Fixed component ID
    5740XYR00
    • 



Applicable component levels


    

  • RA10  PSY  UK98286
       UP13/10/23  P  F310
    • 

  • RB10  PSY  UK98287
       UP13/10/23  P  F310
    • 



Fix is available


    

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Document Information


            

            


                        

            Modified date:
            

            04 November 2013
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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