Bug ID 536932: Under heavy load, BIGIP may crash due to some operations not exiting properly

Last Modified: Sep 13, 2023

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

Known Affected Versions:
12.0.0, 12.0.0 HF1, 12.1.0 HF1, 12.0.0 HF2, 12.1.0 HF2, 12.1.1 HF1, 12.1.1 HF2, 12.1.2 HF1, 12.1.2 HF2

Fixed In:
12.1.0, 12.0.0 HF3

Opened: Jul 31, 2015

Severity: 2-Critical

Symptoms

Under extreme load, as the BIGIP runs out of memory resources, some code does not properly exit when it fails to receive the memory requested. This can cause the system to crash.

Impact

Processing and routing SIP messages on an overloaded system which is running out of memory may cause the TMOS software to crash.

Conditions

Processing and routing SIP messages on an overloaded system which is running out of memory may cause the TMOS software to crash.

Workaround

None.

Fix Information

Crashes should hot happen under extreme load.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips