Bug ID 707207: iRuleLx returning undefined value may cause TMM restart

Last Modified: Sep 13, 2023

Affected Product(s):
BIG-IP LTM(all modules)

Known Affected Versions:
12.0.0, 12.0.0 HF1, 12.1.0 HF1, 12.0.0 HF2, 12.1.0 HF2, 12.0.0 HF3, 12.0.0 HF4, 12.1.1 HF1, 12.1.1 HF2, 12.1.2 HF1, 12.1.2 HF2, 12.1.0, 12.1.1, 12.1.2, 12.1.3,,,,,, 13.0.0, 13.0.0 HF1, 13.0.0 HF2, 13.0.0 HF3, 13.0.1, 13.1.0,,,,,,,, 14.0.0,,,,

Fixed In:

Opened: Feb 20, 2018

Severity: 2-Critical


When an iRulesLX rule returns an undefined value, TMM may restart. An example of an undefined value is one where its jsonrpc v2.0 representation is missing required fields, such as "result".


Traffic is interrupted.


iRulesLX is licensed, and a rule is run that returns an undefined value.


There is no workaround at this time.

Fix Information

A TMM restart resulting from an iRulesLX rule returning an undefined value was fixed.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips