Just to add, it's more often case now (due to increase number of TLS clients) ``` 2022-10-12T12:46:52.905533+02:00 mycompanyphone-0058-fe-1.mycompany.domain /usr/local/sbin/kamailio[53316]: CRITICAL: <core> [core/mem/q_malloc.c:521]: qm_free(): BUG: freeing already freed pointer (0x7f51947f3470), called from tls: tls_init.c: ser_free(316), first free tls: tls_init.c: ser_free(316) - ignoring 2022-10-12T12:46:52.905969+02:00 mycompanyphone-0058-fe-1.mycompany.domain /usr/local/sbin/kamailio[53316]: CRITICAL: <core> [core/mem/q_malloc.c:521]: qm_free(): BUG: freeing already freed pointer (0x7f51947fba20), called from tls: tls_init.c: ser_free(316), first free tls: tls_init.c: ser_malloc(282) - ignoring ``` Centos 7, ``` openssl version OpenSSL 1.0.2k-fips 26 Jan 2017 ```