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IV48237: CRASH IN TCP_INPUT0

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

  • When the socket being listened on is closed just at the
    wrong time, a DSI can result.  The stack will be:
    
    csa at f1000815b002bd00 intpri:3 backt:0 ticks:4 (4)
    *****
          dar=deadbeefdeadbeef
        dsisr=0000000040000000
        srval=00007fffffffd080
         dar2=deadbeefdeadbeef
        cause=4000000000000106
    iar: 0000000000009074 [unix.DATA:disable_lock] + 0x70 =>
                                                  ldarx
    r7,r0,r4
     lr: 0000000004456cbc [netinet:tcp_input0] + 0x881c
         00000000044582c0 [netinet:tcp_input] + 0x60
         00000000043ac034 [netinet:ipintr_noqueue_post_fw] +
    0x954
         00000000043ad2a0 [netinet:ipintr_noqueue] + 0x120
         00000000043ad490 [netinet:ipintr] + 0xf0
         000000000026732c [unix.DATA:i_offlevel] + 0x14c
         0000000000266e0c [unix.DATA:i_softmod] + 0x5ec
         0000000000141c8c [unix.DATA:flih_util] + 0x258
    

Local fix

Problem summary

  • System crash in tcp_input0( ) with DSI
    

Problem conclusion

  • Code is modified to handle Attach error case
    properly.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IV48237

  • Reported component name

    AIX 610 STD EDI

  • Reported component ID

    5765G6200

  • Reported release

    610

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Submitted date

    2013-09-11

  • Closed date

    2013-09-11

  • Last modified date

    2014-02-17

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

    IV18667

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

    U864755

Fix information

  • Fixed component name

    AIX 610 STD EDI

  • Fixed component ID

    5765G6200

Applicable component levels

  • R610 PSY U864755

       UP14/02/17 I 1000

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Document Information

Modified date:
17 February 2014