Bug ID 616215: TMM can core when using LB::detach and TCP::notify commands in an iRule

Last Modified: Sep 13, 2023

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

Known Affected Versions:
11.5.1 HF2, 11.5.1 HF3, 11.5.1 HF4, 11.5.1 HF5, 11.5.1 HF6, 11.5.1 HF7, 11.5.1 HF8, 11.5.1 HF9, 11.5.1 HF10, 11.5.1 HF11, 11.5.2 HF1, 11.5.3 HF1, 11.5.3 HF2, 11.5.4 HF1, 11.5.4 HF2, 11.6.0, 11.6.1, 11.6.2, 11.6.3, 11.6.3.1, 11.6.3.2, 11.6.3.3, 11.6.3.4, 11.6.4, 11.6.5, 11.6.5.1, 11.6.5.2, 11.6.5.3, 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, 12.1.1

Fixed In:
13.0.0, 12.1.2, 11.6.1 HF2, 11.5.4 HF3

Opened: Sep 14, 2016

Severity: 2-Critical

Symptoms

TMM cores when running an iRule that has the LB::detach command before the TCP::notify command.

Impact

Traffic disrupted while tmm restarts.

Conditions

A virtual server with an iRule that has the LB::detach command executed before the TCP::notify command.

Workaround

Avoid the combination of the TCP::notify and LB::detach commands.

Fix Information

TMM no longer cores in this instance.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips