X509_V_ERR_UNHANDLED_CRITICAL_CRL_EXTENSION
case X509_V_ERR_UNHANDLED_CRITICAL_CRL_EXTENSION:
&& (crl->flags & EXFLAG_CRITICAL) != 0 && !verify_cb_crl(ctx, X509_V_ERR_UNHANDLED_CRITICAL_CRL_EXTENSION))
X509_V_ERR_UNHANDLED_CRITICAL_CRL_EXTENSION);