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IT22631: DB2 MAY CRASH WHEN PROCESSING EXTENSIVE LIST OF TABLESPACES IN HISTORY FILE

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APAR status

  • Closed as program error.

Error description

  • The problem happens during processing of the history file for
    tablespaces information, which goes beyond boundaries of the
    allocated memory blocks.
    
    Once this happens, DB2 may crash with following stack:
    
    <StackTrace>
    -------Frame------ ------Function + Offset------
    0x090000000BBD998C sqlofmblkEx + 0xD4
    0x090000000DCB2310 sqluhHandleFree__FPP12SQLUH_HANDLE + 0xD8
    0x09000000094B12D0 sqluhClose__FPP12SQLUH_HANDLEb + 0x258
    0x09000000089B9AC0 sqluhGetNextHistoryFileEntry + 0x568
    0x090000000A84C588 sqlesrvr__FP14db2UCinterface + 0x259A8
    0x090000000A87F3C0 sqlesrvr__FP14db2UCinterface + 0x628
    0x090000000A87DEDC sqleMappingFnServer__FP5sqldaP5sqlca + 0x3D8
    0x090000000A87D788
    sqlerKnownProcedure__FiPcPiP5sqldaT4P13sqlerFmpTableP8sqeAgentP5
    sqlca + 0xEE0
    0x090000000A85E914 sqlerCallDL__FP14db2UCinterfaceP9UCstpInfo +
    0x604
    0x090000000C58D864
    sqljsParseRdbAccessed__FP13sqljsDrdaAsCbP13sqljDDMObjectP14db2UC
    interface + 0x644
    0x090000000C5768E0 @72@sqljsSqlam__FP14db2UCinterfaceP8sqeAgentb
    + 0x11E4
    0x090000000C5768E0 @72@sqljsSqlam__FP14db2UCinterfaceP8sqeAgentb
    + 0x11E4
    0x090000000C5764D4 @72@sqljsSqlam__FP14db2UCinterfaceP8sqeAgentb
    + 0xDD8
    0x090000000D2E44E4
    @72@sqljsDriveRequests__FP8sqeAgentP14db2UCconHandle + 0xA8
    0x090000000D2E4FF8
    @72@sqljsDrdaAsInnerDriver__FP18SQLCC_INITSTRUCT_Tb + 0x5FC
    0x090000000CD3495C RunEDU__8sqeAgentFv + 0x40E1C
    0x090000000CCA9738 RunEDU__8sqeAgentFv + 0x124
    0x090000000BABEAE4 EDUDriver__9sqzEDUObjFv + 0x130
    0x090000000B7502D4 sqloEDUEntry + 0x3A0
    </StackTrace>
    

Local fix

  • N/A
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * ALL                                                          *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See Error Description                                        *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Upgrade to Db2 11.1 Mod 3 Fix Pack 3 or higher               *
    ****************************************************************
    

Problem conclusion

  • First fixed in Db2 11.1 Mod 3 Fix Pack 3
    

Temporary fix

Comments

APAR Information

  • APAR number

    IT22631

  • Reported component name

    DB2 FOR LUW

  • Reported component ID

    DB2FORLUW

  • Reported release

    B10

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2017-10-02

  • Closed date

    2018-03-19

  • Last modified date

    2018-03-19

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

    IT20510

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

Fix information

  • Fixed component name

    DB2 FOR LUW

  • Fixed component ID

    DB2FORLUW

Applicable component levels

  • RB10 PSN

       UP

[{"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSEPGG","label":"DB2 for Linux, UNIX and Windows"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"11.1","Edition":"","Line of Business":{"code":"LOB10","label":"Data and AI"}}]

Document Information

Modified date:
19 March 2018