IT17190: db2audit hit EFAULT when trying to format the output.

DB2 Version 11.1 Mod1 Fix Pack1 iFix001 for Linux, UNIX, and Windows
DB2 Version 11.1 Mod 2 Fix Pack 2 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod2 Fix Pack2 iFix001 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod2 Fix Pack2 iFix002 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod 3 Fix Pack 3 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod3 Fix Pack3 iFix001 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod3 Fix Pack3 iFix002 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod4 Fix Pack4 iFix001 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod 4 Fix Pack 4 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod 4 Fix Pack 6 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod 4 Fix Pack 5 for Linux, UNIX, and Windows
Db2 Version 11.1 Mod 4 Fix Pack 7 for Linux, UNIX, and Windows

APAR status

• Closed as program error.

Error description

• db2audit may hit EFAULT in write() when trying to format audit
  data.
  
   At that time, db2audit will insert diag entry as following to
  db2diag.log
  
  2016-08-30-11.08.14.309568+540 I924412E2012          LEVEL:
  Error (OS)
  PID     : 25148                TID : 140454268876608 PROC :
  db2audit
  INSTANCE: db2inst1             NODE : 000
  HOSTNAME: host1
  FUNCTION: DB2 Common, OSSe, ossErrorIOAnalysis, probe:100
  CALLED  : OS, -, write                            OSERR: EFAULT
  (14)
  DATA #1 : String, 115 bytes
  A total of 3 analysis will be performed :
  - User info
  - Target file info
  - I/O attempt
  
  Target file handle = 4
  DATA #2 : String, 192 bytes
    Real user ID of current process       = 10100
    Effective user ID of current process  = 10100
    Real group ID of current process      = 10100
    Effective group ID of current process = 10100
  DATA #3 : String, 41 bytes
  current sbrk(0) value: 0x00000000024d5000
  DATA #4 : String, 264 bytes
  Target File Information :
    Size               = 1294316
    Link               = No
    Reference path     = N/A
    Type               = 0x8000
    Permissions        = rw-rw-rw-
    UID                = 10100
    GID                = 10100
    Last modified time = 1472522894
  DATA #5 : String, 33 bytes
  I/O attempt not implemented yet.
  CALLSTCK: (Static functions may not be resolved correctly, as
  they areresolved to the nearest symbol)
    [0] 0x00007FBE0B35FBFB /db2inst1/sqllib/lib64/libdb2osse.so.1
  +0x236BFB
    [1] 0x00007FBE0B3610B4 ossLogSysRC + 0xB4
    [2] 0x00007FBE0B352E62 /db2inst1/sqllib/lib64/libdb2osse.so.1
  +0x229E62
    [3] 0x00007FBE0B35076D ossErrorAnalysis + 0x2D
    [4] 0x00007FBE0CA5339B sqloSystemErrorHandler + 0x6BB
    [5] 0x00007FBE0C9D0D71 sqlowrite + 0x721
    [6]
  0x00007FBE0C6DF07D_Z39sqlex_db2audit_writerecord_comp_env_logP20
  sqlrr_generic_headerP22sqlexExtractOutputFileP20sqlexAuditSyslog
  Info + 0xC0D
    [7] 0x00007FBE0C6D5AA3 /db2inst1/sqllib/lib64/libdb2.so.1 +
  0xDFCAA3
    [8] 0x00007FBE0C6CE99C sqlexDb2auditExtractAPI + 0x1D7C
    [9] 0x00000000004061D7 db2audit + 0x61D7
    [10] 0x0000000000403711 main + 0x171
    [11] 0x00007FBE0A56AAF5 __libc_start_main + 0xF5
    [12] 0x00000000004034D9 db2audit + 0x34D9
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:                                              *
  * ALL                                                          *
  ****************************************************************
  * PROBLEM DESCRIPTION:                                         *
  * See Error Description                                        *
  ****************************************************************
  * RECOMMENDATION:                                              *
  * Upgrade to DB2 11.1 Fix Pack 1                               *
  ****************************************************************
  

Problem conclusion

• First Fixed in DB2 11.1 Fix Pack 1
  

Temporary fix

Comments

APAR Information

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

• 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

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