Symptoms

Memory increases when using certain iRule methods related to Diameter (for example, AVP::insert, AVP::replace, AVP::codes). Inside the underlying function dime_method_optional_args_parse, A call to the function Tcl_GetIndexFromObj was not decrementing the refcount of an object.

Impact

As a result of this issue, you may encounter one or more of the following symptoms: -- The BIG-IP system fails to process traffic for a brief period of time. -- The BIG-IP system fails over to another host in the device group. -- TMM generates a core file in the /var/core directory.

Conditions

This issue occurs when all of the following conditions are met: -- You have configured a virtual server to process Diameter messages. -- The virtual server references an iRule that uses Diameter based commands. For example, AVP::insert, AVP::replace, AVP::codes.

Workaround

None.

Fix Information

None

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips