Bug ID 468472: Unexpected ordering of internal events can lead to TMM core.

Last Modified: Oct 06, 2020

Bug Tracker

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

Known Affected Versions:
10.2.4, 11.2.1, 11.3.0, 11.4.0, 11.4.1, 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, 11.5.1 HF6, 11.5.1 HF7, 11.5.1 HF8, 11.5.1 HF9, 11.5.10, 11.5.2, 11.5.2 HF1, 11.5.3, 11.5.3 HF1, 11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4

Fixed In:
12.0.0, 11.6.0 HF5, 11.5.3 HF2, 11.4.1 HF9

Opened: Jun 23, 2014
Severity: 3-Major

Symptoms

TMM may core and failover with the following tcp4 assert: ../modules/hudfilter/tcp4/tcp4.c:937: %svalid pcb%s.

Impact

Traffic disrupted while tmm restarts.

Conditions

If the TCP profile receives a spurious event it can cause TMM to crash.

Workaround

None.

Fix Information

Unexpected ordering of internal events no longer leads to TMM core.

Behavior Change