Bug ID 696908: Updating iRule causes TMM to crash

Last Modified: Sep 13, 2023

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

Known Affected Versions:
12.1.5, 12.1.5.1, 12.1.5.2, 12.1.5.3, 12.1.6, 13.1.0, 13.1.0.1, 13.1.0.2, 13.1.0.3, 13.1.0.4, 13.1.0.5, 13.1.0.6, 13.1.0.7, 13.1.0.8, 13.1.1, 13.1.1.2, 13.1.1.3, 13.1.1.4, 13.1.1.5, 13.1.3, 13.1.3.1, 13.1.3.2, 13.1.3.3

Fixed In:
14.0.0, 13.1.3.4

Opened: Nov 30, 2017

Severity: 2-Critical

Symptoms

A tmm core occurs when reloading an iRulesLX (iLX) Plugin. You might see error messages: notice ** SIGFPE ** pgo_use x86_64 vadc TMM Version 13.1.3.2.0.0.4 panic: Tcl Object 5600092578f8 is currently on free list

Impact

Crash in TMM caused by updating an iLX instance. Traffic disrupted while tmm restarts.

Conditions

iRulesLXPlugin was reloaded into Workspace.

Workaround

None.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips