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IV71085: KSH93 CRASHES IN PAT_LINE APPLIES TO AIX 7100-02

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APAR status

  • Closed as program error.

Error description

  • ksh93 crashes in pat_line function while pattern matching

Local fix

  • 



Problem summary


    

  • ksh93 dump with the following stack:
Segmentation fault in pat_line at 0x100072408
0x100072408 (pat_line+0x68) 88030001         lbz   r0,0x1(r3)
(dbx) where
pat_line(??, ??, ??) at 0x100072408
io_patseek(??, ??, ??, ??) at 0x1000722f0
sh_redirect(??, ??, ??) at 0x10007536c
sh_exec(??, ??) at 0x1000c65b4
sh_exec(??, ??) at 0x1000c7694
sh_exec(??, ??) at 0x1000c782c
sh_exec(??, ??) at 0x1000c76b8
sh_funscope(??, ??, ??, ??, ??) at 0x1000c9940
sh_funct(??, ??, ??, ??, ??, ??) at 0x1000c3dfc
sh_exec(??, ??) at 0x1000c5844
sh_exec(??, ??) at 0x1000c6048
sh_exec(??, ??) at 0x1000c7564
sh_exec(??, ??) at 0x1000c5e78
exfile(??, ??, ??) at 0x100001258
sh_main(??, ??, ??) at 0x100001bb8
pmain.main(??, ??) at 0x1000004b0

    



Problem conclusion


    

  • Modified the buggy conditional loop not to overrun.

    



Temporary fix


    

  • 



Comments


    

  • 7100-02 - use AIX APAR IV71085
7100-03 - use AIX APAR IV69339

    



APAR Information




    

  • APAR number
    IV71085
    • 

  • Reported component name
    AIX V7.1
    • 

  • Reported component ID
    5765H4000
    • 

  • Reported release
    710
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Submitted date
    2015-03-16
    • 

  • Closed date
    2015-03-16
    • 

  • Last modified date
    2015-09-30
    • 





    

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

    
IV69339
    

    • 

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

    • 



Fix information


    

  • Fixed component name
    AIX V7.1
    • 

  • Fixed component ID
    5765H4000
    • 



Applicable component levels


    

  • R710  PSY  U867551
       UP15/09/21  I  1000
    • 



PTF to Fileset Mapping








      
              
                            

              

              [{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SSMV87","label":"AIX 6.1 Enterprise Edition"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"710","Edition":"","Line of Business":{"code":"LOB08","label":"Cognitive Systems"}},{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSMVAX","label":"AIX Express Edition"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"710","Edition":"","Line of Business":{"code":"LOB08","label":"Cognitive Systems"}},{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SG11R","label":"AIX 7.1 HIPERS, APARs and Fixes"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"710","Edition":"","Line of Business":{"code":"","label":""}}]
              

                          

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            30 September 2015
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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