fix(dnsdist): Check OPT owner in `locateEDNSOptRR`

diff --git a/pdns/dnsdistdist/dnsdist-ecs.cc b/pdns/dnsdistdist/dnsdist-ecs.cc
index 031d250c5b1d3b258f7b105358a7eae2c97f6bf8..17f121e75275fa265e4a483208d8b576d178361b 100644 (file)
--- a/pdns/dnsdistdist/dnsdist-ecs.cc
+++ b/pdns/dnsdistdist/dnsdist-ecs.cc
@@ -20,6 +20,7 @@
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 #include "dns.hh"
+#include "dnsname.hh"
 #include "dolog.hh"
 #include "dnsdist.hh"
 #include "dnsdist-dnsparser.hh"
@@ -307,7 +308,7 @@ int locateEDNSOptRR(const PacketBuffer& packet, uint16_t* optStart, size_t* optL
     rrname = packetReader.getName();
     packetReader.getDnsrecordheader(recordHeader);
 
-    if (recordHeader.d_type == QType::OPT) {
+    if (rrname == g_rootdnsname && recordHeader.d_type == QType::OPT) {
       *optStart = start;
       *optLen = (packetReader.getPosition() - start) + recordHeader.d_clen;