Bug ID 475143: CATEGORY::filetype command may cause tmm to crash and restart

Last Modified: Apr 28, 2025

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

Known Affected Versions:
11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3

Fixed In:
11.6.0 HF4

Opened: Aug 11, 2014

Severity: 3-Major

Symptoms

If an iRule command is created using the CATEGORY::filetype command, the tmm may eventually suffer a failure, and restart.

Impact

Traffic disrupted while tmm restarts.

Conditions

A bug in the implementation of CATEGORY::filetype iRule command triggers undefined behavior, leading to tmm crash and restart.

Workaround

None

Fix Information

The errant code was corrected to remove the undefined behavior.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips