Bug ID 1926733: Tmm memory leak with L7 response policy

Last Modified: Jun 28, 2025

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

Known Affected Versions:
16.1.0, 16.1.1, 16.1.2, 16.1.2.1, 16.1.2.2, 16.1.3, 16.1.3.1, 16.1.3.2, 16.1.3.3, 16.1.3.4, 16.1.3.5, 16.1.4, 16.1.4.1, 16.1.4.2, 16.1.4.3, 16.1.5, 16.1.5.1, 16.1.5.2, 16.1.6, 17.0.0, 17.0.0.1, 17.0.0.2, 17.1.0, 17.1.0.1, 17.1.0.2, 17.1.0.3, 17.1.1, 17.1.1.1, 17.1.1.2, 17.1.1.3, 17.1.1.4, 17.1.2, 17.1.2.1, 17.1.2.2, 17.5.0, 17.5.1

Opened: Apr 11, 2025

Severity: 4-Minor

Symptoms

TMM slowly leaks memory. During diagnosis, with the following diagnostic command: tmctl -w192 -id blade memory_usage_stat | egrep "http_data|cur_" http_data indicates the highest memory usage

Impact

Http_data usage goes up over time and does not return to prior levels when traffic ceases.

Conditions

-- Virtual Server with fastL4 + HTTP -- L7 response policy attached (for example redirect-http-https)

Workaround

None

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips