a

Robust.Shared/Network/Messages/MsgState.cs

@@ -51,6 +51,12 @@ public override void ReadFromBuffer(NetIncomingMessage buffer, IRobustSerializer
             }
 
             serializer.DeserializeDirect(finalStream, out State);
+
+            // This is just a sanity check the the pool isn't leaking.
+#if DEBUG
+            Array.Clear(finalStream.GetBuffer());
+#endif
+
             State.PayloadSize = uncompressedLength;
         }
 
@@ -83,10 +89,14 @@ public override void WriteToBuffer(NetOutgoingMessage buffer, IRobustSerializer
             {
                 // 0 means that the state isn't compressed.
                 buffer.WriteVariableInt32(0);
-
                 buffer.Write(stateStream.AsSpan());
             }
 
+            // This is just a sanity check the the pool isn't leaking.
+#if DEBUG
+            Array.Clear(stateStream.GetBuffer());
+#endif
+
             _hasWritten = true;
             MsgSize = buffer.LengthBytes;
         }