IBM Support

IV17475: FIX SQL MESSAGE BUFFER AND MALLOC CORRUPTION

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APAR status

  • Closed as program error.

Error description

  • Some SQL error message construction scenarios with
very long tokens result in buffer overflow and malloc
heap corruption.

Local fix

  • 



Problem summary


    

  • Some SQL error message construction scenarios with
very long tokens result in buffer overflow and malloc
heap corruption.

    



Problem conclusion


    

  • We fixed the arithmetic for the reported case AND ALSO
added a "guard" to the insert_char() method, so we will
never have another buffer/malloc overrun in this code -
at worst we get a poor/truncated error message.

    



Temporary fix


    

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    IV17475
    • 

  • Reported component name
    GPFS/AIX5L V3
    • 

  • Reported component ID
    5765G66AP
    • 

  • Reported release
    340
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Submitted date
    2012-03-19
    • 

  • Closed date
    2012-03-19
    • 

  • Last modified date
    2015-05-14
    • 





    

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

    
IV17470
    

    • 

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

    • 



Fix information


    

  • Fixed component name
    GPFS/AIX5L V3
    • 

  • Fixed component ID
    5765G66AP
    • 



Applicable component levels


    

  • R340  PSY  U869511
       15/05/14  I  1000
    • 



PTF to Fileset Mapping








      
              
                            

              

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Document Information


            

            


                        

            Modified date:
            

            22 August 2022
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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