Bug ID 523296: TMM may core when using iRule custom actions in PEM policies

Last Modified: Sep 13, 2023

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

Known Affected Versions:
11.5.1 HF1, 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, 11.5.4 HF3, 11.5.4 HF4, 12.1.0 HF1, 12.1.0 HF2, 12.1.1 HF1, 12.1.1 HF2, 12.1.2 HF1, 12.1.2 HF2

Fixed In:
12.0.0, 11.6.0 HF6

Opened: May 14, 2015

Severity: 2-Critical

Symptoms

TMM cores

Impact

Traffic disrupted while tmm restarts.

Conditions

When using custom iRule actions in a PEM policy, triggering a use of the action or modifying the action will cause the TMM to reset.

Workaround

Avoid using custom iRule actions in PEM policies.

Fix Information

Freeing of memory for storing the custom action was done to a different pool than whence it was allocated; used the correct free routine.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips