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IV51995: GSSD DAEMON CORE DUMPS IN GETHOSTCRED() APPLIES TO AIX 6100-09

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

  • AIX NFSv4 daemon, gssd, core dumps in the gethostcred()
    routine
    with the following stack:
    
    
    IOT/Abort trap in pth_signal.pthread_kill
    [./usr/lib/libpthreads.a] at 0xd05187c0 ($t1)
    0xd05187c0 (pthread_kill+0xa0) 80410014         lwz
    r2,0x14(r1)
    
    (dbx) where
    pth_signal.pthread_kill(??, ??) at 0xd05187c0
    pth_signal._p_raise(??) at 0xd0517c64
    raise.raise(??) at 0xd0120ba0
    abort() at 0xd017bf64
    gethostcred(minor_status = 0x2ff229a4), line 181 in
    "gssd_proc.c"
    gss_init_sec_context_1_svc(argp = 0x2ff22920, res =
    0x2ff22998, rqstp = 0x200d16c8), line 2033 in
    "gssd_proc.c"
    gssprog_1(rqstp = 0x200d16c8, transp = 0x200d1578), line
    321 in "gssd_svc.c"
    _svc_prog_dispatch(??, ??, ??) at 0xd135b03c
    _svc_run_mt() at 0xd135dc80
    svc_run.svc_run() at 0xd135eff0
    main(argc = 1, argv = 0x2ff22c50), line 437 in "gssd.c"
    

Local fix

Problem summary

  • gssd core dumps at gethostcred()
    

Problem conclusion

  • In gethostcred(), remove call krb5_cc_close(), since it is
    attempting to access freed memory for hostkeycache
    

Temporary fix

Comments

  • 6100-07 - use AIX APAR IV58296
    6100-08 - use AIX APAR IV57838
    6100-09 - use AIX APAR IV51995
    6100-09 - use AIX APAR IV51995
    6100-09 - use AIX APAR IV51995
    7100-01 - use AIX APAR IV57545
    7100-02 - use AIX APAR IV37673
    7100-02 - use AIX APAR IV37673
    7100-03 - use AIX APAR IV52721
    

APAR Information

  • APAR number

    IV51995

  • Reported component name

    AIX 610 STD EDI

  • Reported component ID

    5765G6200

  • Reported release

    610

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Submitted date

    2013-11-12

  • Closed date

    2013-11-12

  • Last modified date

    2014-08-14

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

    IV37673

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

Fix information

  • Fixed component name

    AIX 610 STD EDI

  • Fixed component ID

    5765G6200

Applicable component levels

  • R610 PSY U859271

       UP14/05/21 I 1000

PTF to Fileset Mapping



Document information

More support for: AIX Enterprise Edition

Software version: 610

Operating system(s): AIX

Reference #: IV51995

Modified date: 14 August 2014