PI85832: S0C4 abend or other unexpected abends/behavior due to an incorrect address used to access storage

Obtain the fix for this APAR.

APAR status

• Closed as program error.

Error description

• S0C4 abend or other unexpected abends/behavior due to an
  incorrect address used to access storage
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED: All users of the IBM Automatic Binary        *
  *                 Optimizer (ABO) for z/OS, v1.2               *
  ****************************************************************
  * PROBLEM DESCRIPTION: In exceptionally rare circumstances an  *
  *                      incorrect address may be used to read   *
  *                      from, or write to, storage.             *
  *                                                              *
  *                      The symptom is likely to be a           *
  *                      protection exception (System            *
  *                      Completion Code=0C4) abend but other    *
  *                      unexpected behavior, abends and         *
  *                      results are possible if the             *
  *                      incorrect address is able to access     *
  *                      the storage location.                   *
  *                                                              *
  *                      The symptom is likely to be a           *
  *                      protection exception (System            *
  *                      Completion Code=0C4) abend but other    *
  *                      unexpected behavior, abends and         *
  *                      results are possible if the             *
  *                      incorrect address is able to access     *
  *                      the storage location.                   *
  *                                                              *
  *                      The conditions for this problem         *
  *                      occurring are the result of many        *
  *                      independent and hard to predict         *
  *                      factors, including                      *
  *                      1. the specific type of hardware        *
  *                      register allocation in the generated    *
  *                      code produced by the compiler that      *
  *                      built the input module to ABO           *
  *                      2. a close proximity of statements      *
  *                      that read or write to storage likely    *
  *                      including one or more long or variable  *
  *                      move statements                         *
  *                      3. the specific optimization            *
  *                      possibilities for ABO given the local   *
  *                      and surrounding code                    *
  *                                                              *
  ****************************************************************
  * RECOMMENDATION: Apply the provided PTF.                      *
  *                                                              *
  ****************************************************************
  ABO was modified to correctly optimize these modules.
  

Problem conclusion

• The ABO optimized module uses the correct address in these cases
  to read from, or write to, storage.
  

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:

  UI49689 UI49690

Modules/Macros

•    BOZEXE1  BOZJIVP  BOZMSGE  BOZMSGK  BOZMSGT
  BOZOBJ1  BOZOPT   BOZSRC1
  

Fix information

• Fixed component name

  AUTO BINARY OPT

• Fixed component ID

  5697AB100

Applicable component levels

• R12J PSY UI49690

     UP17/08/22 P F708

• R120 PSY UI49689

     UP17/08/22 P F708

Fix is available

• Select the PTF appropriate for your component level. You will be required to sign in. Distribution on physical media is not available in all countries.