Bug ID 477967: TMM may segfault when applying TSO to invalid packets

Last Modified: Feb 13, 2019

Bug Tracker

Affected Product:  See more info
BIG-IP None(all modules)

Known Affected Versions:
11.5.0, 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

Fixed In:
11.5.1 HF6

Opened: Sep 04, 2014
Severity: 2-Critical
Related AskF5 Article:
K16447

Symptoms

TMM segfaults when attempting to apply TSO processing to an outbound packet that does not need it.

Impact

TMM crashes and the system fails over.

Conditions

Occurs when applying TSO to packets.

Workaround

None.

Fix Information

MPTCP component now correctly applies TSO processing to outbound packets, so TMM no longer segfaults.

Behavior Change