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IV60024: CIFS CRASH IN SMB_FPHELP APPLIES TO AIX 6100-08

A fix is available

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • Removing a directory tree in a CIFS file
    system that is at least two levels above
    a directory in use by another process
    causes the system to crash the next time
    the directory or files in the directory
    are accessed by the first process.
    
    The stack trace is:
    
    [F1000000C0319D30]smb_fphelp+000090
    [F1000000C031A478]smbfs_fullpath+0000F8
    [F1000000C03097D0]smbfs_smb_trans2find2+000150
    [F1000000C0308E2C]smbfs_findnextLM2+00006C
    [F1000000C030A968]smbfs_findnext+0000E8
    [F1000000C030A558]smbfs_smb_lookup+0000B8
    [F1000000C0302A98]cn_lookup+0003B8
    [00014D70].hkey_legacy_gate+00004C
    [005CACA4]vnop_lookup+000184
    [0058E884]lookuppn+000A04
    [0058F040]lookupname_internal+0000A0
    [0058F164]lookupname_cur+000024
    [005E2C94]statx+0001D4
    

Local fix

Problem summary

  • System crash when accessing contents of current working
    directory when it has beed deleted by another process.
    

Problem conclusion

  • Avoid dereferencing freed node.
    

Temporary fix

Comments

  • 6100-08 - use AIX APAR IV60024
    6100-09 - use AIX APAR IV61056
    6100-09 - use AIX APAR IV61056
    7100-02 - use AIX APAR IV61513
    7100-03 - use AIX APAR IV61052
    7100-04 - use AIX APAR IV61068
    

APAR Information

  • APAR number

    IV60024

  • Reported component name

    AIX 610 STD EDI

  • Reported component ID

    5765G6200

  • Reported release

    610

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Submitted date

    2014-05-02

  • Closed date

    2014-05-28

  • Last modified date

    2016-05-10

Fix information

  • Fixed component name

    AIX 610 STD EDI

  • Fixed component ID

    5765G6200

Applicable component levels

  • R610 PSY U867369

       UP15/01/18 I 1000

PTF to Fileset Mapping

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Document Information

Modified date:
10 May 2016