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IV66589: SYSTEM CRASH IN _SEM_CLOSE() APPLIES TO AIX 6100-09

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APAR status

  • Closed as program error.

Error description

  • Passing invalid semaphore id to _sem_close() can crash
the system with following stack.
(0)> f
pvthread+02CD00 STACK:
[00636950]rtipcd_search_u+000050 (0000000000000000,
FFFFFFFF00000001,
   0000000000000000, F00000002FF47568, F00000002FF47560,
FFFFFFFF00000001 [??])
[00644480]_sem_close+000100 (??)
[000038A4]mfspurr_sc_flih01+0000E4 ()
[kdb_get_virtual_memory] no real storage @ 2FF21D28
[D03627D0]D03627D0 ()
[kdb_read_mem] no real storage @ FFFFFFFFFFF9560

Local fix

  • 



Problem summary


    

  • System crash with a stack like:
 00636950 rtipcd_search_u+000050 ( ?? )
 00644480 _sem_close+000100 (??)

    



Problem conclusion


    

  • Validate the semaphore descriptor in _sem_close().

    



Temporary fix


    

  • 



Comments


    

  • 6100-08 - use AIX APAR IV69970
6100-09 - use AIX APAR IV66589
7100-02 - use AIX APAR IV65747
7100-03 - use AIX APAR IV66694

    



APAR Information




    

  • APAR number
    IV66589
    • 

  • Reported component name
    AIX 610 STD EDI
    • 

  • Reported component ID
    5765G6200
    • 

  • Reported release
    610
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Submitted date
    2014-11-05
    • 

  • Closed date
    2014-11-05
    • 

  • Last modified date
    2015-11-22
    • 





    

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

    
IV65747
    

    • 

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

    • 



Fix information


    

  • Fixed component name
    AIX 610 STD EDI
    • 

  • Fixed component ID
    5765G6200
    • 



Applicable component levels


    

  • R610  PSY  U861403
       UP15/11/22  I  1000
    • 



PTF to Fileset Mapping








      
              
                            

              

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Document Information


            

            


                        

            Modified date:
            

            17 December 2021
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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