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IV68918: SYSTEM CRASH IN FP_GET_PATH FOR CIFS FILESYSTEM APPLIES TO AIX 7100-03

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APAR status

  • Closed as program error.

Error description

  • System crashes with a stack trace similar to:

CRASH INFORMATION:
CPU 16 CSA F0000000301ED600 at time of crash, error code
for LEDs:
70000000
pvthread+142E00 STACK:
[00678B28]fp_get_path+000188 (0000000000000000,
0000000000000000,
   F0000000301ED0C0, 0000000000000400 [??])
[006784D8]fp_audit_svcbcopy+000018 (??)
[006B9354]ftrunc_common+000134 (??, ??)

Local fix

  • Avoid functionalities that attempt to get the full path
name
through local filesystem functions.

Problem summary

  • Crash in fp_get_path with the following
stack trace:

CRASH INFORMATION:
CPU 16 CSA F0000000301ED600 at time of crash,
   error code
for LEDs:
70000000
pvthread+142E00 STACK:
 00678B28 fp_get_path+000188 (0000000000000000,
0000000000000000,
F0000000301ED0C0, 0000000000000400  ?? )
 006784D8 fp_audit_svcbcopy+000018 (??)
 006B9354 ftrunc_common+000134 (??, ??)

Problem conclusion

  • In cn_fid(), set inode value from smbnode structure,
and not dirseq structure
In cifs_vget(), if an inode search results in a NULL vnode
ptr, return appropriate error

Temporary fix

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    IV68918
    • 

  • Reported component name
    AIX V7.1
    • 

  • Reported component ID
    5765H4000
    • 

  • Reported release
    710
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Submitted date
    2015-01-23
    • 

  • Closed date
    2015-01-29
    • 

  • Last modified date
    2015-05-22
    • 





    

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

    • 

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

    
IV69073 IV69123
    

    • 



Fix information


    

  • Fixed component name
    AIX V7.1
    • 

  • Fixed component ID
    5765H4000
    • 



Applicable component levels


    

  • R710  PSY  U865720
       UP15/05/19  I  1000
    • 



PTF to Fileset Mapping








      
              
                            

              

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Document Information


            

            


                        

            Modified date:
            

            22 May 2015
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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