IZ29504: CRON CORE DUMP DUE TO BUFFER OVERFLOW APPLIES TO AIX 6100-03

Obtain the fix for this APAR.

APAR status

• Closed as program error.

Error description

• Cron can core dump leaving a core stack trace like the
  following:
  
  Segmentation fault in ex at line 1919 in file ""
  could not read
  "../../../../../../src/bos/usr/sbin/cron/cron.c"
  ex(e = 0x20575757), line 1919 in "cron.c"
  main(argc = 1, argv = 0x2ff22de0), line 495 in "cron.c"
    $r0:0xd0338888  $stkp:0x2ff1e880   $toc:0x200026b4
  $r3:0x00000001
    $r4:0x00000000    $r5:0x20004757    $r6:0x00000000
  $r7:0x00000039
    $r8:0x00000000    $r9:0x00000000   $r10:0x80808080
  $r11:0x7f7f7f7f
   $r12:0x10003f34   $r13:0xdeadbeef   $r14:0x00000001
  $r15:0x2ff22de0
   $r16:0x2ff22de8   $r17:0x00000000   $r18:0xdeadbeef
  $r19:0xdeadbeef
   $r20:0xdeadbeef   $r21:0xdeadbeef   $r22:0xdeadbeef
  $r23:0xdeadbeef
   $r24:0xdeadbeef   $r25:0xdeadbeef   $r26:0xdeadbeef
  $r27:0xdeadbeef
   $r28:0xdeadbeef   $r29:0x20001060   $r30:0x20004728
  $r31:0x20000508
   $iar:0x10003f5c   $msr:0x0000d0b2    $cr:0x88222828
  $link:0x10003f34
   $ctr:0x00000004   $xer:0x2002a0a2    $mq:0xffffffff
            Condition status = 0:l 1:l 2:e 3:e 4:e 5:l 6:e
  7:l
          [unset $noflregs to view floating point
  registers]
          [unset $novregs to view vector registers]
  in ex at line 1919 in file ""
  0x10003f5c (ex+0x508) 90640010        stw   r3,0x10(r4)
  
  or like:
  
  Segmentation fault in idle at line 2284 in file ""
  idle(tyme = 60, old_time = 1190591400), line 2284 in
  "cron.c"
  main(argc = 1, argv = 0x2ff22d90), line 484 in "cron.c"
    $r0:0xd036183c  $stkp:0x2ff228e0   $toc:0x200026b4
  $r3:0x7463726f
    $r4:0x46f6fba8    $r5:0x393d5a00    $r6:0x08dedf75
  $r7:0x21a52fa2
    $r8:0x07a6f51d    $r9:0x0137ea57   $r10:0x00000000
  $r11:0x00003600
   $r12:0x100050d0   $r13:0xdeadbeef   $r14:0x00000001
  $r15:0x2ff22d90
   $r16:0x2ff22d98   $r17:0x00000000   $r18:0xdeadbeef
  $r19:0xdeadbeef
   $r20:0xdeadbeef   $r21:0xdeadbeef   $r22:0xdeadbeef
  $r23:0xdeadbeef
   $r24:0xdeadbeef   $r25:0xdeadbeef   $r26:0xdeadbeef
  $r27:0xdeadbeef
   $r28:0xdeadbeef   $r29:0x00000000   $r30:0x2000300c
  $r31:0x20000508
   $iar:0x10005100   $msr:0x0000d0b2    $cr:0x42222222
  $link:0x100050d0
   $ctr:0x00000000   $xer:0x20000000    $mq:0xffffffff
            Condition status = 0:g 1:e 2:e 3:e 4:e 5:e 6:e
  7:e
          [unset $noflregs to view floating point
  registers]
          [unset $novregs to view vector registers]
  in idle at line 2284 in file "/tmp/cron_code/cron.c"
  0x10005100 (idle+0x300) 80630000        lwz   r3,0x0(r3)
  

Local fix

• To get around this don't use long crontab names or
  multiple
  commands in the file seprated by an ;. Instead put them
  in
  a script to run the commands.
  

Problem summary

Problem conclusion

Temporary fix

Comments

APAR Information

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

  IZ05652

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

Fix information

• Fixed component name

  AIX 610

• Fixed component ID

  5765G6200

Applicable component levels

• R610 PSY U819599

     UP09/05/08 I 1000

PTF to Fileset Mapping

• U819599 bos.rte.cron 6.1.3.0