From: Otto Moerbeek <otto.moerbeek@open-xchange.com>
Date: Mon, 5 Oct 2020 10:32:00 +0000 (+0200)
Subject: NULL check for return value of mutable_response() as noted by CodeQL
X-Git-Tag: auth-4.4.0-alpha2~48^2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=dba033ad41f376b61f96a11d20b8012a6d04ed83;p=thirdparty%2Fpdns.git

NULL check for return value of mutable_response() as noted by CodeQL
---

diff --git a/pdns/rec-protobuf.cc b/pdns/rec-protobuf.cc
index af22526170..e5a7f4e8b4 100644
--- a/pdns/rec-protobuf.cc
+++ b/pdns/rec-protobuf.cc
@@ -14,6 +14,9 @@ void RecProtoBufMessage::clearUDR()
 {
 #ifdef HAVE_PROTOBUF
   auto response = d_message.mutable_response();
+  if (!response) {
+    return;
+  }
   const int count = response->rrs_size();
   for (int idx = 0; idx < count; idx++) {
     auto rr = response->mutable_rrs(idx);