Bug ID 698338: Potential core in MRF occurs when pending egress messages are queued and an iRule error aborts the connection

Last Modified: May 29, 2024

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

Known Affected Versions:
11.5.0, 11.5.1, 11.5.2, 11.5.3, 11.5.4, 11.5.5, 11.5.6, 11.5.7, 11.5.8, 11.5.9, 11.5.10, 11.6.0, 11.6.1, 11.6.2, 11.6.3, 11.6.3.1, 11.6.3.2, 11.6.3.3, 11.6.3.4, 11.6.4, 11.6.5, 11.6.5.1, 12.0.0, 12.0.0 HF1, 12.1.0 HF1, 12.0.0 HF2, 12.1.0 HF2, 12.0.0 HF3, 12.0.0 HF4, 12.1.1 HF1, 12.1.1 HF2, 12.1.2 HF1, 12.1.2 HF2, 12.1.0, 12.1.1, 12.1.2, 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, 13.1.0, 13.1.0.1, 13.1.0.2, 13.1.0.3

Fixed In:
14.0.0, 13.1.0.4, 12.1.3.6, 11.6.5.2

Opened: Dec 11, 2017

Severity: 2-Critical

Symptoms

The system may core.

Impact

The system cores and will restart.

Conditions

-- Egress messages are queued waiting for MR_EGRESS event to be raised. -- Current MR event exits with an error, thus aborting the connection.

Workaround

None.

Fix Information

The system now returns pending messages back to the originator if the connection aborts due to an iRule error.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips