src/java.base/share/classes/jdk/internal/jimage/UTF8String.java

@@ -256,14 +256,14 @@
         }
     }
 
     @Override
     public String toString() {
-        ByteBuffer buffer = ByteBuffer.allocate(bytes.length+2);
+        ByteBuffer buffer = ByteBuffer.allocate(count+2);
         buffer.order(ByteOrder.BIG_ENDIAN);
-        buffer.putShort((short)bytes.length);
-        buffer.put(bytes);
+        buffer.putShort((short)count);
+        buffer.put(bytes, offset, count);
         ByteArrayInputStream stream = new ByteArrayInputStream(buffer.array());
         DataInputStream in = new DataInputStream(stream);
         try {
             return in.readUTF();
         } catch (IOException ex) {