Fix overflow in ecma_op_dataview_create (#3111)

Fixes #3109 JerryScript-DCO-1.0-Signed-off-by: Daniel Balla dballa@inf.u-szeged.hu
2019-09-13 17:19:49 +03:00
parent 9f85d21578
commit 17e63e892a
2 changed files with 24 additions and 1 deletions
@@ -135,7 +135,7 @@ ecma_op_dataview_create (const ecma_value_t *arguments_list_p, /**< arguments li
    }

    /* 12.c */
-    if ((ecma_length_t) offset + viewByteLength > buffer_byte_length)
+    if ((ecma_number_t) offset + viewByteLength > buffer_byte_length)
    {
      return ecma_raise_range_error (ECMA_ERR_MSG ("Start offset is outside the bounds of the buffer."));
    }