crashfix: handle bad OSC message

OSC/Source/OSC/OSC.Build.cs

@@ -34,6 +34,8 @@ namespace UnrealBuildTool.Rules
 					"OSC/Private/Send",
 				}
 			);
+
+            bEnableExceptions = true;
         }
 	}
 }

OSC/Source/OSC/Private/Receive/OscDispatcher.cpp

@@ -140,6 +140,8 @@ static void SendBundle(TCircularQueue<std::pair<FName, TArray<FOscDataElemStruct
 void UOscDispatcher::Callback(const FArrayReaderPtr& data, const FIPv4Endpoint&)
 {
     UE_LOG(LogOSC, Verbose, TEXT("OSC Received"));
+    try
+    {
         const osc::ReceivedPacket packet((const char *)data->GetData(), data->Num());
         if(packet.IsBundle())
         {
@@ -149,6 +151,14 @@ void UOscDispatcher::Callback(const FArrayReaderPtr& data, const FIPv4Endpoint&)
         {
             SendMessage(_pendingMessages, osc::ReceivedMessage(packet));
         }
+    }
+    catch(osc::Exception &e)
+    {
+        // Exceptions are disabled by default, so destructors are not called.
+        // We don't care: there is no acquired resource to release.
+        const FString wide(e.what());
+        UE_LOG(LogOSC, Warning, TEXT("OSC Message Error: %s"), *wide);
+    }
     
     if(!_pendingMessages.IsEmpty())
     {