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

Last Modified: Sep 14, 2023

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

Known Affected Versions:
14.1.0, 14.1.0.1, 14.1.0.2, 14.1.0.3, 14.1.0.5, 14.1.0.6, 14.1.2, 14.1.2.1, 14.1.2.2, 14.1.2.3, 14.1.2.4, 14.1.2.5, 14.1.2.6, 14.1.2.7, 14.1.2.8, 14.1.3, 14.1.3.1, 14.1.4, 14.1.4.1, 14.1.4.2, 14.1.4.3, 14.1.4.4, 14.1.4.5, 14.1.4.6, 14.1.5, 14.1.5.1, 14.1.5.2, 14.1.5.3, 14.1.5.4, 14.1.5.6

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

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips