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IV64264: CRASH IN UDP_INPUT0 PROCESSING MULTICAST APPLIES TO AIX 7100-02

A fix is available

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APAR status

  • Closed as program error.

Error description

  • The system crashes with a stack trace similar to
    
    pvthread+090000 STACK:
    [046B9938]udp_input0+001178 (0000000000000000,
    FFFFFFFFFFFFFFE4,000000000000001C, 0000000000000000 [??])
    [046BB688]udp_input1+000068 (F1000E0001D9C800,
    0000001400000014,0000000000000000)
    [0461C370]ipintr_noqueue_post_fw+0008B0
    (F1000A038A9013F8,
    F1000E0001D9C800,F1000815B07389C0)
    [0461D6C0]ipintr_noqueue+000120 (??, ??, ??)
    
    while processing a multicast packet.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:
    * Systems running the 7100-02 Technology Level with
    * bos.net.tcp.client at 7.1.2.17 or 7.1.2.18
    ****************************************************************
    * PROBLEM DESCRIPTION:
    * The system crashes with a stack trace similar to
    * pvthread+090000 STACK:
    *  046B9938 udp_input0+001178 (0000000000000000,
    * FFFFFFFFFFFFFFE4,000000000000001C, 0000000000000000  ?? )
    *  046BB688 udp_input1+000068 (F1000E0001D9C800,
    * 0000001400000014,0000000000000000)
    *  0461C370 ipintr_noqueue_post_fw+0008B0
    * (F1000A038A9013F8,
    * F1000E0001D9C800,F1000815B07389C0)
    *  0461D6C0 ipintr_noqueue+000120 (??, ??, ??)
    * while processing a multicast packet.
    ****************************************************************
    * RECOMMENDATION:
    * Install APAR IV64264.
    ****************************************************************
    

Problem conclusion

  • The UDP code is modified to handle the error condition and
    not to access NULL pointers. This avoids the system crash.
    

Temporary fix

Comments

  • 6100-08 - use AIX APAR IV60948
    6100-09 - use AIX APAR IV61541
    6100-09 - use AIX APAR IV61541
    7100-02 - use AIX APAR IV64264
    7100-03 - use AIX APAR IV62443
    

APAR Information

  • APAR number

    IV64264

  • Reported component name

    AIX V7.1

  • Reported component ID

    5765H4000

  • Reported release

    710

  • Status

    CLOSED PER

  • PE

    YesPE

  • 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:

    IV60948

  • 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 U865330

       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 #: IV64264

Modified date: 11 May 2016