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IV67372: SYSTEM CRASH IN FP_FSTAT DOING IOCTL TO LOOPMOUNT DEVICE APPLIES TO AIX 7100-03

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APAR status

  • Closed as program error.

Error description

  • System crash at:
(0)> f
pvthread+10AB00 STACK:
[00617584]fp_fstat@AF56_41+000024 (F1000F1E704A06A8,
F00000002FF46E80,
   005A78E0005A7CA8, 0000000000000001, 0000000000000016
[??])
[00014F50].kernel_add_gate_cstack+000030 ()
[04E507CC]loop_iocinfo+00002C (??, ??, ??)
[04E524A8]loop_ioctl+0001E8 (??, ??, ??, ??, ??, ??)
[005B7AE0]rdevioctl+0000C0 (??, ??, ??, ??, ??, ??)
[0079BF20]spec_ioctl+000080 (??, ??, ??, ??, ??, ??)
[005FE190]vnop_ioctl+000050 (??, ??, ??, ??, ??, ??)
[006153DC]vno_ioctl+00009C (??, ??, ??, ??, ??)
[006B9F38]common_ioctl+0000F8 (??, ??, ??, ??)

with an invalid address in register r5:
(0)> dr r5
r5  : 005A78E0005A7CA8

Local fix

  • N/A

Problem summary

  • System might crash while doing IOCTL to loop mount device.

Problem conclusion

  • Upon fp_close returning error we must do clean up of state and
file pointers.

Temporary fix

  • 



Comments


    

  • 7100-02 - use AIX APAR IV70370
7100-03 - use AIX APAR IV67372

    



APAR Information




    

  • APAR number
    IV67372
    • 

  • Reported component name
    AIX V7.1
    • 

  • Reported component ID
    5765H4000
    • 

  • Reported release
    710
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Submitted date
    2014-12-01
    • 

  • Closed date
    2014-12-01
    • 

  • Last modified date
    2015-12-31
    • 





    

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

    
IV64843
    

    • 

  • 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  U862241
       UP15/05/19  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:
            

            31 December 2015
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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