Bug ID 1111149: Nlad core observed due to ERR_func_error_string can return NULL

Last Modified: Jan 16, 2023

Bug Tracker

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

Known Affected Versions:
15.1.0, 15.1.0.1, 15.1.0.2, 15.1.0.3, 15.1.0.4, 15.1.0.5, 15.1.1, 15.1.2, 15.1.2.1, 15.1.3, 15.1.3.1, 15.1.4, 15.1.4.1, 15.1.5, 15.1.5.1, 15.1.6, 15.1.6.1, 15.1.7, 15.1.8, 15.1.8.1

Opened: May 31, 2022
Severity: 2-Critical

Symptoms

The following symptoms are observed In /var/log/ltm: err nlad[17535]: OpenSSL: DRBG Continuous RNG test failed: DRBG stuck. Nlad core is observed /var/log/kern.log:Apr 7 03:46:53 <vs name > info kernel: nlad[13119]: segfault at 0 ip <> sp <> error 4.

Impact

Core results in disruption of APM sessions

Conditions

NLAD core is SIGSEGV - crashing while processing a SSL Certificate via a SAML login.

Workaround

None

Fix Information

None

Behavior Change