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IJ38308: KERNEL CRASH IN THE REFRESHCACHEATTRS FUNCTION WHEN AFMSYNCNFSV4ACL IS ENABLED

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APAR status

  • Closed as program error.

Error description

  • When afmSyncNFSv4ACL is set, ACL buffer size is
not verified during the cache refresh. This
causes the kernel to crash if the returned
buffer length is zero.

Local fix

  • 



Problem summary


    

  • When afmSyncNFSv4ACL is set, ACL buffer size is
not verified during the cache refresh. This
causes the kernel to crash if the returned
buffer length is zero.

    



Problem conclusion


    

  • This problem is fixed in 5.1.3  PTF 1
To see all Spectrum Scale APARs and
their respective fix solutions refer to page
https://public.dhe.ibm.com/storage/spectrumscale/spectrum_scale_
apars.html

Benefits of the solution:
Fixed the kernel crash

Work around: None

Problem trigger:
AFM caching with afmSyncNFSv4ACL option

Symptom:  Crash

Platforms affected: All Linux OS environments

Functional Area affected:  AFM

Customer Impact: High Importance

    



Temporary fix


    

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    IJ38308
    • 

  • Reported component name
    SPEC SCALE STD
    • 

  • Reported component ID
    5737F33AP
    • 

  • Reported release
    513
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt / Xsystem
    • 

  • Submitted date
    2022-03-09
    • 

  • Closed date
    2022-03-09
    • 

  • Last modified date
    2022-03-09
    • 





    

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

    • 

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

    • 



Fix information


    

  • Fixed component name
    SPEC SCALE STD
    • 

  • Fixed component ID
    5737F33AP
    • 



Applicable component levels


    








      
              
                            

              

              [{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"STXKQY"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"513","Line of Business":{"code":"LOB26","label":"Storage"}}]
              

                          

          
 
        

      

    

      

        

          

            
Document Information


            

            


                        

            Modified date:
            

            10 March 2022
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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