APAR status
Closed as program error.
Error description
Issuing an executecommand request may abnormally terminate after the command has completed its processing on the target system with the following output to the user's screen, *** glibc detected *** /opt/IBM/ITM/lx8266/ue/bin/tacmd: double free or corruption (!prev): 0x0000000000605bd0 *** RECREATE INSTRUCTIONS: The occurrance of the problem is dependent on the contents of memory at the moment in time that the command completes and it is the duplicate freeing of the allocated Heap storage that results in the error. 1. Install ITM 630 FP7 TEMS 2. Enable KT1 Security setting 3. Install OS Agent on target endpoint 4. Execute the command /opt/IBM/ITM/bin/tacmd executecommand -m agent:LZ -c 'if [ ! -f $configDir ]; then mkdir -m 2775 -p /opt/IBM/ITM/custom/conf/ && chown tivoli:tivoli /opt/IBM/ITM/custom/conf/; fi; mv /opt/IBM/ITM/custom/conf/pingfile.conf /opt/IBM/ITM/custom/conf/pingfile.conf.bak' 5. Observe the error displayed to the user *** glibc detected *** /opt/IBM/ITM/lx8266/ue/bin/tacmd: double free or corruption (!prev): 0x0000000000605bd0 ***
Local fix
Problem summary
Executing the Command Line command /opt/IBM/ITM/bin/tacmd executecommand -m <MSN> -c <Command String> may abend with the following error message displayed at the user's console, *** glibc detected *** /opt/IBM/ITM/lx8266/ue/bin/tacmd: double free or corruption (!prev): 0x0000000000605bd0 *** The executecommand processing incorrectly attempts to free heap storage that is not allocated.
Problem conclusion
The processing will only free heap storage that is already allocated. The fix for this APAR is contained in the following maintenance packages: | service pack | 6.3.0.7-TIV-ITM-SP0001
Temporary fix
Temporarily use the 063006000 (ITM 630 Fix Pack 6) version software (KUE) as a Command Line interface until this fix is applied.
Comments
APAR Information
APAR number
IV94415
Reported component name
TEMS
Reported component ID
5724C04MS
Reported release
630
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2017-03-23
Closed date
2019-05-07
Last modified date
2019-05-07
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
TEMS
Fixed component ID
5724C04MS
Applicable component levels
[{"Business Unit":{"code":"BU059","label":"IBM Software w\/o TPS"},"Product":{"code":"SSTFXA","label":"Tivoli Monitoring"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"630","Line of Business":{"code":"LOB45","label":"Automation"}}]
Document Information
Modified date:
08 March 2023