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

Last Modified: Oct 24, 2019

Bug Tracker

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

Known Affected Versions:
13.1.0, 13.1.0.1, 13.1.0.2, 13.1.0.3, 13.1.0.4, 13.1.0.5, 13.1.0.6, 13.1.0.7, 13.1.0.8, 13.1.1, 13.1.1.1, 13.1.1.2, 13.1.1.3, 14.0.0, 14.0.0.1, 14.0.0.2, 14.0.0.3, 14.0.0.4, 14.0.0.5, 14.0.1, 14.0.1.1, 14.1.0, 14.1.0.1

Fixed In:
15.0.0, 14.1.0.2, 13.1.1.4

Opened: Oct 25, 2018
Severity: 3-Major

Symptoms

Tmm crashes while performing log ACL match logging.

Impact

Traffic disrupted while tmm restarts.

Conditions

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.

Workaround

None

Fix Information

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

Behavior Change