Bug ID 456175: Memory issues possible with really long interface names

Last Modified: Apr 28, 2025

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

Known Affected Versions:
11.5.3, 11.5.3 HF1, 11.5.3 HF2

Fixed In:
11.6.0, 11.5.4

Opened: Apr 08, 2014

Severity: 2-Critical

Symptoms

When an interface has a very long name, it is possible for various functions to overrun the memory allocated and cause other problems. The other problems will vary, depending on what is running at the time of the memory overrun.

Impact

Possible loss of client connectivity or random errors possibly resulting in cores. Traffic disrupted while tmm restarts.

Conditions

This can occur if the interface is associated with a non-default route domain.

Workaround

None

Fix Information

Long interface names no longer cause issues.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips