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IV64242: SYSTEM CRASH WHILE EXECUTING MKNOD AND IF AUDIT IS ENABLED 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

  • System can crash with following stack trace when
    executing
    mknod system call on a Namefs filesystem created on top
    of
    GPFS filesystem.
    
    [007F7A18]ObjectId+000058 (??, ??, ??)
    [007F737C]ObjectMake+00005C (??, ??, ??)
    [007FA4B8]aud_vn_create+000078 (??, ??, ??, ??, ??, ??,
    ??)
    [005C4C94]vnop_create_attr+0002F4 (??, ??, ??, ??, ??,
    ??, ??,
    dvp = F1000100E19B1BB0
    [0069F4D0]namefs_create+000030 (??, ??, ??, ??, ??, ??,
    ??, ??)
    [005C4AE4]vnop_create_attr+000144 (??, ??, ??, ??, ??,
    ??, ??,
    dvp = F1000100E2216AF0
    [006DF8B8]mknod+000318 (??, ??, ??)
    [00003888]mfspurr_sc_flih01+0000E4 ()
    

Local fix

  • Set the audit to OFF.
    

Problem summary

  • System can crash with following stack trace when
    executing mknod system call on a Namefs filesystem
    created on top of GPFS filesystem.
    
     007F7A18 ObjectId+000058 (??, ??, ??)
     007F737C ObjectMake+00005C (??, ??, ??)
     007FA4B8 aud_vn_create+000078 (??, ??, ??, ??, ??, ??,
    ??)
     005C4C94 vnop_create_attr+0002F4 (??, ??, ??, ??, ??,
    ??, ??,
    dvp = F1000100E19B1BB0
     0069F4D0 namefs_create+000030 (??, ??, ??, ??, ??, ??,
    ??, ??)
     005C4AE4 vnop_create_attr+000144 (??, ??, ??, ??, ??,
    ??, ??,
    dvp = F1000100E2216AF0
     006DF8B8 mknod+000318 (??, ??, ??)
     00003888 mfspurr_sc_flih01+0000E4 ()
    

Problem conclusion

  • Ensure newpvp properly initialized in namefs_create.
    

Temporary fix

Comments

  • 6100-08 - use AIX APAR IV61370
    6100-09 - use AIX APAR IV61868
    6100-09 - use AIX APAR IV61868
    7100-02 - use AIX APAR IV64242
    7100-03 - use AIX APAR IV61859
    7100-04 - use AIX APAR IV62064
    

APAR Information

  • APAR number

    IV64242

  • Reported component name

    AIX V7.1

  • Reported component ID

    5765H4000

  • Reported release

    710

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Submitted date

    2014-08-29

  • Closed date

    2014-08-29

  • Last modified date

    2016-05-11

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

    IV61370

  • 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 U867194

       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 #: IV64242

Modified date: 11 May 2016