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IZ75635: CRASH IN SNAHPRIP64

A fix is available

Communications Server for AIX, Version 6.3 -- Last PTFs

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APAR status

  • Closed as program error.

Error description

  • Communications Server for AIX and Linux
---------------------------------------
Crash in snahprip64

Local fix

  • 



Problem summary


    

  • * USERS AFFECTED:
* All systems using Enterprise Extender.
*
* PROBLEM DESCRIPTION:
* Crash in snahprip64.
* Dump stack trace:
* pvthread+001C00 STACK:
* [04A9EE34]snahprip64:sna_hprip_vsi_send_ips+0000F0 (000080020
* 0008002, F10006000487FE00)
* [04AAD538]snahprip64:sna_hprip_nba_send_ips+0002B0 (F1000600F
* 1000600, 4000000000004000,F10006000487FE00, 0000000000000000,
* F1000108419448)
* [04AB3928]snahprip64:sna_hprip_nbm_free_buffer+00011C (F10006
* 000487FE00, F100010038419448)
* [04ACA4C8]snahprip64:udp_destroy_proc+00002C (F10001003841944
* 8)
* [04AAC74C]snahprip64:sna_hprip_nba_dispatch_destroy+0000B0 (F
* 100010034025C58, F100010038419448)
* [04AAC540]snahprip64:sna_hprip_nba_dispatch_process+0000E8 (F
* 100010034025C58, F100010038419448)
* [04AACC38]snahprip64:sna_hprip_nba_scheduler+000158 ()
* [04A9D7B8]snahprip64:sna_hprip_vsi_stream_uw_service+0002DC (
* F100060004E26120)
* [041BA07C]pse:sq_wrapper+00015C (??)
* [041A5358]pse:csq_run+000528 (??)
* [041A4008]pse:csq_lateral+0000BC (??, ??, ??)
* [041BA9F8]pse:scheduled_run+0000D0 ()
* [001F8430]Netintr+0001A0 ()
* [001F824C]netisr_thread+000014 ()
* [0016DA44]threadentry+000014 (??, ??, ??, ??)
*
* PROBLEM SUMMARY:
* There is a very narrow window condition on a multiple-CPU
* system that causes a piece of memory to be accessed after it
* has been freed.

    



Problem conclusion


    

  • Code has been corrected to clear the reference to this memory
buffer when it is released.

    



Temporary fix


    

  • snahprip64

    



Comments


    

  • 



APAR Information




    

  • APAR number
    IZ75635
    • 

  • Reported component name
    CS AIX V6.X
    • 

  • Reported component ID
    5765E5100
    • 

  • Reported release
    630
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt
    • 

  • Submitted date
    2010-05-05
    • 

  • Closed date
    2010-05-27
    • 

  • Last modified date
    2011-11-18
    • 





    

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

    • 

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

    
IZ81516 LI75652 LI75653 LI75654 LI76318 LI76319 LI76320
    

    • 



Fix information


    

  • Fixed component name
    CS AIX V6.X
    • 

  • Fixed component ID
    5765E5100
    • 



Applicable component levels


    

  • R631  PSY  U848721
       UP11/11/18  I  1000
    • 

  • R640  PSY
       UP
    • 








      
              
                            

              

              [{"Line of Business":{"code":"LOB35","label":"Mainframe SW"},"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSPQKF","label":"Communications Server for AIX"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"630"}]
              

                          

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            07 October 2021
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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