Bug ID 452900: IP iRules may cause TMM to segfault in low memory scenarios

Last Modified: Nov 07, 2022

Bug Tracker

Affected Product:  See more info
BIG-IP LTM(all modules)

Known Affected Versions:
10.2.4, 11.5.1, 11.5.1 HF1, 11.5.1 HF10, 11.5.1 HF11, 11.5.1 HF2, 11.5.1 HF3, 11.5.1 HF4, 11.5.1 HF5, 11.5.1 HF6, 11.5.1 HF7, 11.5.1 HF8, 11.5.1 HF9, 11.5.10, 11.5.2, 11.5.2 HF1, 11.5.3, 11.5.3 HF1, 11.5.3 HF2, 11.5.4, 11.5.4 HF1

Fixed In:
11.6.0, 11.5.4 HF2, 10.2.4 HF8

Opened: Mar 19, 2014
Severity: 3-Major
Related Article:
K17249

Symptoms

TMM may core during low memory conditions when executing iRules containing the following commands: IP::local_addr IP::remote_addr IP::client_addr IP::server_addr

Impact

TMM will be restarted.

Conditions

No memory available to allocate IP iRule objects.

Workaround

This issue has no workaround.

Fix Information

Memory allocations are verified when using the following iRules: IP::local_addr IP::remote_addr IP::client_addr IP::server_addr

Behavior Change