Fixes are available
APAR status
Closed as program error.
Error description
On 64 bit platform, when memory manager is asked to allocate huge size of memory, it does not check if the asked 'size' is too big. After adding size of overhead etc, the final adjust size can overflow and becomes very small , but a legal size. This could lead to memory corruption.
Local fix
Problem summary
**************************************************************** * USERS AFFECTED: * * 64 bit platforms. * **************************************************************** * PROBLEM DESCRIPTION: * * MEMORY ALLOCATION DOES NOT SANITY CHECK SIZE REQUESTED ON * * 64BITPLATFORM. * **************************************************************** * RECOMMENDATION: * * Upgrade to DB2 LUW Version 9.5, FixPak 6 * ****************************************************************
Problem conclusion
Problem was first fixed in Version 9.5 Fix Pack 6
Temporary fix
Comments
APAR Information
APAR number
IZ59293
Reported component name
DB2 UDB ESE SOL
Reported component ID
5765F4102
Reported release
950
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt
Submitted date
2009-08-25
Closed date
2010-06-14
Last modified date
2010-06-14
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
IC68444 IC68445
Fix information
Fixed component name
DB2 UDB ESE SOL
Fixed component ID
5765F4102
Applicable component levels
R950 PSN
UP
[{"Line of Business":{"code":"LOB10","label":"Data and AI"},"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSEPGG","label":"DB2 for Linux- UNIX and Windows"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"950"}]
Document Information
Modified date:
03 October 2021