Fixes are available
APAR status
Closed as program error.
Error description
During re-execution of a statement processing columnar data, a cached invalid pointer is accessed resulting in memory corruption. The overwritten memory is often memory allocation metadata, resulting in traps while allocating or freeing memory. Trapping functions may vary widely, but the most common functions are : allocMem / sqloFastThreadAllocator::allocMem termFastAlloc / sqloFastThreadAllocator::termFastAlloc
Local fix
db2set -im DB2_REDUCED_OPTIMIZATION="COL_IXSCAN_ALL_V1133 OFF" db2 connect to <database> db2 flush package cache dynamic - the "flush" is required to invalidate vulnerable cached SQL execution plans
Problem summary
**************************************************************** * USERS AFFECTED: * * ALL * **************************************************************** * PROBLEM DESCRIPTION: * * See Error Description * **************************************************************** * RECOMMENDATION: * * Upgrade to Db2 11.1 Mod 4 Fixpack 5 or higher * ****************************************************************
Problem conclusion
First fixed in Db2 11.1 Mod 4 Fixpack 5
Temporary fix
Comments
APAR Information
APAR number
IT29344
Reported component name
DB2 FOR LUW
Reported component ID
DB2FORLUW
Reported release
B10
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2019-06-05
Closed date
2020-01-20
Last modified date
2020-01-20
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
DB2 FOR LUW
Fixed component ID
DB2FORLUW
Applicable component levels
RB10 PSN
UP
[{"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":"11.1","Line of Business":{"code":"LOB10","label":"Data and AI"}}]
Document Information
Modified date:
03 May 2022