Bug ID 655211: bigd crash (SIGSEGV) when running FQDN node monitors

Last Modified: Apr 28, 2025

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

Known Affected Versions:
11.6.1, 11.6.1 HF1, 11.6.1 HF2, 11.6.2, 11.6.2 HF1, 11.6.3, 11.6.3.1, 12.0.0, 12.0.0 HF1, 12.0.0 HF2, 12.0.0 HF3, 12.0.0 HF4, 12.1.0, 12.1.0 HF1, 12.1.0 HF2, 12.1.1, 12.1.1 HF1, 12.1.1 HF2, 12.1.2, 12.1.2 HF1, 12.1.2 HF2, 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, 11.6.3.2

Opened: Apr 04, 2017

Severity: 2-Critical

Related Article: K25384206

Symptoms

bigd processing FQDN node monitors may crash due to a timing issue when processing probe responses.

Impact

bigd crashes (SIGSEGV). The system restarts bigd automatically, and monitoring resumes. No other action is needed.

Conditions

bigd is configured for FQDN node monitors.

Workaround

Although no workaround is available for bigd configured for FQDN node monitors, this crash occurs due to a timing issue, and should be rare.

Fix Information

bigd no longer crashes (SIGSEGV) when running FQDN node monitors due to a timing issue.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips