Bug ID 635399: TMM assert in umem_free_bufctl() due to corrupted slab

Last Modified: Sep 13, 2023

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

Known Affected Versions:
12.1.0, 12.1.1, 12.1.2, 12.1.3, 12.1.3.1, 12.1.3.2, 12.1.3.3, 12.1.3.4, 12.1.3.5, 12.1.3.6, 12.1.3.7, 12.1.4, 12.1.4.1, 12.1.5, 12.1.5.1, 12.1.5.2, 12.1.5.3, 12.1.6

Opened: Dec 21, 2016

Severity: 2-Critical

Symptoms

TMM cores because of corrupted memory slab.

Impact

Traffic disrupted while tmm restarts.

Conditions

It is unknown how this corruption occurs.

Workaround

None

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips