Check before dereferencing dnsc res.Answer (#121)

mosajjal · Jul 27, 2024 · 9b135cb · 9b135cb
1 parent 9f3ad05
commit 9b135cb
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/pkg/dns.go b/pkg/dns.go
@@ -71,6 +71,9 @@ func (dnsc *DNSClient) PerformExternalAQuery(fqdn string, QType uint16) ([]dns.R
 	}
 	res, err := dnsc.Resolve(&msg, rdns.ClientInfo{})
 	dnsLock.Unlock()
+	if res == nil {
+		return nil, err
+	}
 	return res.Answer, err
 }