IBM Support

IV89713: INTERCEPTION OF SYSTEM CALL USING KMOD_UTIL() CAUSING SEGV

A fix is available

Obtain the fix for this APAR.

Subscribe

You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • Interception of execve() system call using kmod_util()
service with pre handler causing SIGSEGV.

Local fix

  • 



Problem summary


    

  • If the execve system call is intercepted and an error is
returned, the process core dumps.

    



Problem conclusion


    

  • Add special handling when intercepting some system calls:
execve, fork, thread_create.  Prevent some internal
system calls from being intercepted.

    



Temporary fix


    

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    IV89713
    • 

  • Reported component name
    AIX V7.2
    • 

  • Reported component ID
    5765CD200
    • 

  • Reported release
    720
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Submitted date
    2016-10-05
    • 

  • Closed date
    2016-10-05
    • 

  • Last modified date
    2017-10-12
    • 





    

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

    
IV86929
    

    • 

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

    • 



Fix information


    

  • Fixed component name
    AIX V7.2
    • 

  • Fixed component ID
    5765CD200
    • 



Applicable component levels


    

  • R720  PSY  U869946
       UP17/10/12  I  1000
    • 



PTF to Fileset Mapping








      
              
                            

              

              [{"Business Unit":{"code":"BU070","label":"IBM Infrastructure"},"Product":{"code":"SSVEF8","label":"AIX 7.2 Enterprise Edition"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"720","Edition":"","Line of Business":{"code":"LOB68","label":"Power HW"}},{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SG11S","label":"AIX 7.2 HIPERS, APARs and Fixes"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"720","Edition":"","Line of Business":{"code":"LOB08","label":"Cognitive Systems"}}]
              

                                                                    

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            10 September 2025
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
Page Feedback