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IV66694: SYSTEM CRASH IN _SEM_CLOSE() 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

  • Passing invalid semaphore id to _sem_close() can crash
    the system with following stack.
    (0)> f
    pvthread+02CD00 STACK:
    [00636950]rtipcd_search_u+000050 (0000000000000000,
    FFFFFFFF00000001,
       0000000000000000, F00000002FF47568, F00000002FF47560,
    FFFFFFFF00000001 [??])
    [00644480]_sem_close+000100 (??)
    [000038A4]mfspurr_sc_flih01+0000E4 ()
    [kdb_get_virtual_memory] no real storage @ 2FF21D28
    [D03627D0]D03627D0 ()
    [kdb_read_mem] no real storage @ FFFFFFFFFFF9560
    

Local fix

Problem summary

  • System crash with a stack like:
     00636950 rtipcd_search_u+000050 ( ?? )
     00644480 _sem_close+000100 (??)
    

Problem conclusion

  • Validate the semaphore descriptor in _sem_close().
    

Temporary fix

Comments

  • 6100-08 - use AIX APAR IV69970
    6100-09 - use AIX APAR IV66589
    7100-02 - use AIX APAR IV65747
    7100-03 - use AIX APAR IV66694
    

APAR Information

  • APAR number

    IV66694

  • Reported component name

    AIX V7.1

  • Reported component ID

    5765H4000

  • Reported release

    710

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Submitted date

    2014-11-07

  • Closed date

    2014-11-07

  • Last modified date

    2015-09-30

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

    IV65747

  • 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 U865837

       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 #: IV66694

Modified date: 30 September 2015