Bug ID 1029397: Tmm may crash with SIP-ALG deployment in a particular race condition

Last Modified: Jul 20, 2021

Bug Tracker

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

Opened: Jun 28, 2021
Severity: 2-Critical

Symptoms

Tmm crashes in SIP-ALG deployment, when lsn DB callback is returned from a different tmm, and the SIP connection has been lost on tmm where the REGISTER request arrived.

Impact

Traffic disrupted while tmm restarts

Conditions

--- SIP-ALG is deployed --- Processing of SIP REGISTER message at server side --- lsn DB entry is mapped to a different tmm

Workaround

NA

Fix Information

None

Behavior Change