src/java.base/share/classes/java/io/BufferedInputStream.java

*** 194,203 ****
--- 194,206 ----
       * @param   size   the buffer size.
       * @exception IllegalArgumentException if {@code size <= 0}.
       */
      public BufferedInputStream(InputStream in, int size) {
          super(in);
+         if (in == null) {
+             throw new NullPointerException();
+         }
          if (size <= 0) {
              throw new IllegalArgumentException("Buffer size <= 0");
          }
          buf = new byte[size];
      }