Bug ID 612229: TMM may crash if LTM a disable policy action for 'LTM Policy' is not last

Last Modified: Apr 10, 2019

Bug Tracker

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

Known Affected Versions:
11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4, 11.6.0 HF5, 11.6.0 HF6, 11.6.0 HF7, 11.6.0 HF8, 11.6.1, 11.6.1 HF1, 12.0.0, 12.0.0 HF1, 12.0.0 HF2, 12.0.0 HF3, 12.0.0 HF4, 12.1.0, 12.1.0 HF1, 12.1.0 HF2, 12.1.1, 12.1.1 HF1, 12.1.1 HF2

Fixed In:
13.0.0, 12.1.2, 11.6.1 HF2

Opened: Aug 23, 2016
Severity: 2-Critical
Related AskF5 Article:
K25585945

Symptoms

TMM may crash while processing an LTM policy.

Impact

TMM crash with the following in one of the /var/log/tmm log files: notice ** SIGABRT ** Traffic disrupted while tmm restarts.

Conditions

- VIP with LTM policy attached. - LTM policy contains rule with 2 or more actions. - Policy action of disable - LTMN Policy is not the last one in the list of actions.

Workaround

Ensure any LTM policy disable action is the last in the list of actions.

Fix Information

TMM no longer crashes if LTM a disable policy action for 'LTM Policy' is not last in the list of actions in the rule.

Behavior Change