Bug ID 433822: Uninitialized variable may cause packets to be directed to wrong TMM

Last Modified: Nov 22, 2021

Bug Tracker

Affected Product:  See more info
BIG-IP LTM(all modules)

Known Affected Versions:
11.3.0, 11.4.1

Fixed In:
11.5.0, 11.4.1 HF9, 11.3.0 HF9

Opened: Oct 14, 2013
Severity: 2-Critical

Symptoms

Packets may be redirected to the wrong TMM. Such redirections are indicated by a non-zero count in the 'packets' column of the 'tmctl -d blade tmm/flow_redir_stats' command, as in the below example: tmctl -d blade tmm/flow_redir_stats pg pu redirect_pg redirect_pu packets -- -- ----------- ----------- ------- 0 1 0 0 11

Impact

Performance may be impacted as packets are redirected to the correct TMM.

Conditions

This may occur on VIPRION B4300 blades in VIPRION C4800 (8-slot) chassis.

Workaround

None.

Fix Information

Resolved an uninitialized variable issue that may cause erroneous results when searching for a local port using the P8DAG hash. This fix initializes variables to F5 coding standards.

Behavior Change