dns_cache_setcleaninginterval() could try to access timer after it had been freed
dns_cache_setcleaninginterval() could try to access
timer after it had been freed

pecharmin/bind9,pecharmin/bind9,each/bind9-collab,each/bind9-collab,pecharmin/bind9,each/bind9-collab,pecharmin/bind9,pecharmin/bind9,each/bind9-collab,each/bind9-collab,pecharmin/bind9,each/bind9-collab