Bug ID 669739: Potential core when using MRF SIP with SCTP

Last Modified: May 14, 2019

Bug Tracker

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

Known Affected Versions:
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, 12.1.2 HF1, 12.1.2 HF2, 12.1.3, 12.1.3.1, 12.1.3.2, 12.1.3.3, 12.1.3.4, 12.1.3.5, 13.0.0, 13.0.0 HF1, 13.0.0 HF2, 13.0.0 HF3, 13.0.1

Fixed In:
13.1.0, 12.1.3.6

Opened: Jun 17, 2017
Severity: 2-Critical
Related AskF5 Article:
K71963740

Symptoms

The system may core when using SCTP with MRF SIP if the outgoing connection receives more messages than it can process.

Impact

Traffic disrupted while tmm restarts.

Conditions

-- SCTP with MRF SIP configured. -- Outgoing connection receives more messages than it can process.

Workaround

None.

Fix Information

With SCTP with MRF SIP, the system better handles conditions when the outgoing connection receives more messages than it can process, so the system does not core and restart.

Behavior Change