Bug ID 612419: APM - suspected memory leak (umem_alloc_32/network access (variable))

Last Modified: Jul 13, 2024

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

Known Affected Versions:
11.4.1, 11.5.4, 11.5.4 HF1, 11.5.4 HF2, 11.6.1, 11.6.1 HF1, 12.0.0, 12.0.0 HF1, 12.0.0 HF2, 12.0.0 HF3, 12.0.0 HF4, 12.1.0, 12.1.0 HF1, 12.1.0 HF2, 12.1.1, 12.1.1 HF1, 12.1.1 HF2, 12.1.2

Fixed In:
13.0.0, 12.1.2 HF1, 11.6.1 HF2, 11.5.4 HF3

Opened: Aug 23, 2016

Severity: 3-Major

Symptoms

When there are multiple network access resources, and users switch between them within the same connection, a small memory leak happens.

Impact

Memory usage increases over time.

Conditions

Network access; full webtop, multiple Network Access resources.

Workaround

There is no workaround. It is a relatively slow leak though. In the case where it was observed, the leak was about 130MB per month.

Fix Information

Fixed a memory leak related to network access.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips