Bug ID 625172: tmm crashes when classification is enabled and ftp traffic is flowing trough the box

Last Modified: Oct 01, 2018

Bug Tracker

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

Known Affected Versions:
12.1.0, 12.1.0 HF1, 12.1.0 HF2, 12.1.1, 12.1.1 HF1, 12.1.1 HF2, 12.1.2

Fixed In:
13.0.0, 12.1.2 HF1

Opened: Oct 26, 2016
Severity: 2-Critical

Symptoms

tmm crash

Impact

Traffic disrupted while tmm restarts.

Conditions

1. classification profile attached to the virtual server 2. ftp traffic flows through the system 3. complex configuration with iRules and multiple modules enabled

Workaround

remove classification profile from the virtual server

Fix Information

Incorrect memory management in one of classification matching mechanisms led to a crash.

Behavior Change