IT35362: Application terminates with SIGSEGV when trace is enabled for AMS operations

APAR status

• Closed as program error.

Error description

• An application which performs AMS API calls terminates with a
  SIGSEGV when MQ tracing is enabled with a trace specification
  that includes AMS calls.
  

Local fix

Problem summary

• ****************************************************************
  USERS AFFECTED:
  Users of MQ who have enabled AMS and require a trace for
  diagnostic purposes
  
  
  Platforms affected:
  MultiPlatform
  
  ****************************************************************
  PROBLEM DESCRIPTION:
  A programming error meant that an invalid variable access was
  made when tracing some internal AMS operations.
  

Problem conclusion

• The MQ AMS code has been corrected to prevent the incorrect
  variable access when trace is enabled.
  
  ---------------------------------------------------------------
  The fix is targeted for delivery in the following PTFs:
  
  Version    Maintenance Level
  v9.0 LTS   9.0.0.12
  v9.1 LTS   9.1.0.8
  v9.2 LTS   9.2.0.2
  v9.x CD    9.2.2
  
  The latest available maintenance can be obtained from
  'WebSphere MQ Recommended Fixes'
  http://www-1.ibm.com/support/docview.wss?rs=171&uid=swg27006037
  
  If the maintenance level is not yet available information on
  its planned availability can be found in 'WebSphere MQ
  Planned Maintenance Release Dates'
  http://www-1.ibm.com/support/docview.wss?rs=171&uid=swg27006309
  ---------------------------------------------------------------
  

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

  IBM MQ BASE M/P

• Fixed component ID

  5724H7261

Applicable component levels