Bug ID 657632: Rarely if a subscriber delete is performed following HA switchover, tmm may crash

Last Modified: Sep 13, 2023

Affected Product(s):
BIG-IP PEM(all modules)

Known Affected Versions:
12.1.0, 12.1.1, 12.1.2, 13.0.0, 13.0.0 HF1, 13.0.0 HF2, 13.0.0 HF3

Fixed In:
13.1.0, 13.0.1, 12.1.3

Opened: Apr 10, 2017

Severity: 2-Critical

Symptoms

If a subscriber delete is performed following a HA switchover, tmm may coredump. The probability of this scenario is rare, where a subscriber may have been freed during switchover and a subsequent forced delete command quickly follows.

Impact

Traffic disrupted while tmm restarts.

Conditions

-- A subscriber delete command followed by a HA switchover. -- During the switchover, the subscriber was freed.

Workaround

None.

Fix Information

The system now removes the subscriber index from the table if present in these cases.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips