IT17615: HEAP CORRUPTION WHEN CREATING A CONNECTION USING USERID AND PASSWORD IN XMS.NET

APAR status

• Closed as program error.

Error description

• Heap corrupted exception is thrown when creating a connection
  using UserId and password in XMS.NET, when using bindings and
  unmanaged as the connection mode.
  

Local fix

• NA
  

Problem summary

• ****************************************************************
  USERS AFFECTED:
  All XMS.NET applications using UserId and Password while
  creating a connection and using Unmanaged and Bindings as the
  connection mode
  
  
  Platforms affected:
  Windows
  
  ****************************************************************
  PROBLEM DESCRIPTION:
  If UserId and Password were passed while creating a connection
  using XMS.NET, the application ended abruptly because of Heap
  Corrupted Exception.This happened only while using Unmanaged and
  Bindings as the connection mode.
  
  A logic error while handling the UserID and Password structures
  caused a block of memory to be freed twice, resulting in the
  Heap Corrupted Exception.
  

Problem conclusion

• The XMS.NET classes have been updated to avoid freeing this
  memory twice.
  
  ---------------------------------------------------------------
  The fix is targeted for delivery in the following PTFs:
  
  Version    Maintenance Level
  v8.0       8.0.0.7
  v9.0 CD    9.0.3
  v9.0 LTS   9.0.0.2
  
  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

  WMQ BASE MULTIP

• Fixed component ID

  5724H7251

Applicable component levels

• R800 PSY

     UP