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IJ20206: PERMISSION DENIED FOR /PROC/<PID>/CWD APPLIES TO AIX 7200-05

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APAR status

  • Closed as program error.

Error description

  • Permission denied for /proc/<PID>/cwd for
program with different group and SGID Bit set.

Local fix

  • 



Problem summary


    

  • If the user is part of more than one group, and if the user's
current primary group id is different from the binary group id,
and set the sgid(g+s) on the bianry, then readlink() will fail
with error EACCESS(return code 13).

    



Problem conclusion


    

  • There is a bug is checking group id of the user
with the binary.  Modified the code to fix the issue.

    



Temporary fix


    

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    IJ20206
    • 

  • Reported component name
    AIX V7.2
    • 

  • Reported component ID
    5765CD200
    • 

  • Reported release
    720
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Submitted date
    2019-10-10
    • 

  • Closed date
    2019-10-10
    • 

  • Last modified date
    2020-11-16
    • 





    

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

    
IJ16209
    

    • 

  • 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  U884088
       UP20/11/04  I  1000
    • 



PTF to Fileset Mapping








      
              
                            

              

              [{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSVEF8","label":"AIX 7.2 Enterprise Edition"},"Platform":[{"code":"PF053","label":"Power Systems"}],"Version":"720","Line of Business":{"code":"LOB08","label":"Cognitive Systems"}}]
              

                          

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            09 March 2021
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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