Add SB Curated (copied from the smartbugs repository).

dataset/access_control/mapping_write.sol

@@ -0,0 +1,30 @@
+/*
+ * @source: https://smartcontractsecurity.github.io/SWC-registry/docs/SWC-124#mapping-writesol
+ * @author: Suhabe Bugrara
+ * @vulnerable_at_lines: 20
+ */
+
+ pragma solidity ^0.4.24;
+
+ //This code is derived from the Capture the Ether https://capturetheether.com/challenges/math/mapping/
+
+ contract Map {
+     address public owner;
+     uint256[] map;
+
+     function set(uint256 key, uint256 value) public {
+         if (map.length <= key) {
+             map.length = key + 1;
+         }
+        // <yes> <report> ACCESS_CONTROL
+         map[key] = value;
+     }
+
+     function get(uint256 key) public view returns (uint256) {
+         return map[key];
+     }
+     function withdraw() public{
+       require(msg.sender == owner);
+       msg.sender.transfer(address(this).balance);
+     }
+ }