1 files changed, 5 insertions, 0 deletions
diff --git a/examples/network/secureudpclient/association.cpp b/examples/network/secureudpclient/association.cpp
index c950260078..59df94d5b9 100644
--- a/examples/network/secureudpclient/association.cpp
+++ b/examples/network/secureudpclient/association.cpp
@@ -112,6 +112,11 @@ void DtlsAssociation::udpSocketConnected()
 
 void DtlsAssociation::readyRead()
 {
+    if (socket.pendingDatagramSize() <= 0) {
+        emit warningMessage(tr("%1: spurious read notification?").arg(name));
+        return;
+    }
+
     //! [6]
     QByteArray dgram(socket.pendingDatagramSize(), Qt::Uninitialized);
     const qint64 bytesRead = socket.readDatagram(dgram.data(), dgram.size());