Bug ID 747926: Rare TMM restart due to NULL pointer access during AFM ACL logging

Last Modified: Feb 26, 2019

Bug Tracker

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

Known Affected Versions:
13.1.0,,,,,,,,, 13.1.1,,,, 14.0.0,,,,, 14.1.0,

Fixed In:,

Opened: Oct 25, 2018
Severity: 3-Major


Tmm crashes while performing log ACL match logging.


Traffic disrupted while tmm restarts.


The problem can happen only with the following configuration: 1) AFM Logging for ACLs enabled. 2) Security Network Logging profile has the property "log-translation-fields enabled" The problem happens under extremely rare circumstances.



Fix Information

Defensive error handling to avoid the scenario of NULL pointer access.

Behavior Change