Fix OOM with JsonSerializer (#2529)

neo-project · Jul 10, 2021 · cf3a865 · cf3a865
1 parent 1bcbc6b
commit cf3a865
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/neo/SmartContract/JsonSerializer.cs b/src/neo/SmartContract/JsonSerializer.cs
@@ -137,7 +137,7 @@ public static byte[] SerializeToByteArray(StackItem item, uint maxSize)
                     default:
                         throw new InvalidOperationException();
                 }
-                if (ms.Position > maxSize) throw new InvalidOperationException();
+                if (ms.Position + writer.BytesPending > maxSize) throw new InvalidOperationException();
             }
             writer.Flush();
             if (ms.Position > maxSize) throw new InvalidOperationException();