Bug ID 775185: TMM crash and fp error flood caused by Browser Challenges Live Update

Last Modified: Sep 06, 2019

Bug Tracker

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

Known Affected Versions:
14.1.0, 14.1.0.1, 14.1.0.2, 14.1.0.3, 14.1.0.4, 14.1.0.5, 14.1.0.6, 14.1.2

Opened: Apr 22, 2019
Severity: 2-Critical

Symptoms

When the first two Live Update files, there may be flooding of the following error message in /var/log/tmm*, and possibly a crash caused by flooding of the log. notice CLNG|EROR|dosl7_fp_fill_collect_array:1985|bad value for fp_att_id on att 28: 63 >= 40

Impact

TMM Crash and flood of log file. Traffic disrupted while tmm restarts.

Conditions

-- Installing either of the following Browser Challenges Live Updates: 2019-02-24 or 2019-04-03. -- Bot Defense profile enabled.

Workaround

None

Fix Information

None

Behavior Change