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IV67372: SYSTEM CRASH IN FP_FSTAT DOING IOCTL TO LOOPMOUNT DEVICE APPLIES TO AIX 7100-03

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 crash at:
    (0)> f
    pvthread+10AB00 STACK:
    [00617584]fp_fstat@AF56_41+000024 (F1000F1E704A06A8,
    F00000002FF46E80,
       005A78E0005A7CA8, 0000000000000001, 0000000000000016
    [??])
    [00014F50].kernel_add_gate_cstack+000030 ()
    [04E507CC]loop_iocinfo+00002C (??, ??, ??)
    [04E524A8]loop_ioctl+0001E8 (??, ??, ??, ??, ??, ??)
    [005B7AE0]rdevioctl+0000C0 (??, ??, ??, ??, ??, ??)
    [0079BF20]spec_ioctl+000080 (??, ??, ??, ??, ??, ??)
    [005FE190]vnop_ioctl+000050 (??, ??, ??, ??, ??, ??)
    [006153DC]vno_ioctl+00009C (??, ??, ??, ??, ??)
    [006B9F38]common_ioctl+0000F8 (??, ??, ??, ??)
    
    with an invalid address in register r5:
    (0)> dr r5
    r5  : 005A78E0005A7CA8
    

Local fix

  • N/A
    

Problem summary

  • System might crash while doing IOCTL to loop mount device.
    

Problem conclusion

  • Upon fp_close returning error we must do clean up of state and
    file pointers.
    

Temporary fix

Comments

  • 7100-02 - use AIX APAR IV70370
    7100-03 - use AIX APAR IV67372
    

APAR Information

  • APAR number

    IV67372

  • Reported component name

    AIX V7.1

  • Reported component ID

    5765H4000

  • Reported release

    710

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Submitted date

    2014-12-01

  • Closed date

    2014-12-01

  • Last modified date

    2015-12-31

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

    IV64843

  • 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 U862241

       UP15/05/19 I 1000

PTF to Fileset Mapping



Document information

More support for: AIX Enterprise Edition

Software version: 710

Operating system(s): AIX

Reference #: IV67372

Modified date: 31 December 2015