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IV61513: CIFS CRASH IN SMB_FPHELP APPLIES TO AIX 7100-02

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

    IV61513

  • Reported component name

    AIX V7.1

  • Reported component ID

    5765H4000

  • Reported release

    710

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Submitted date

    2014-06-13

  • Closed date

    2014-06-13

  • Last modified date

    2016-05-10

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

    IV60024

  • 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 U867227

       UP15/01/19 I 1000

PTF to Fileset Mapping



Document information

More support for: AIX Enterprise Edition

Software version: 710

Operating system(s): AIX

Reference #: IV61513

Modified date: 10 May 2016