1 /**
2  * Copyright (C) 2020 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package android.security.cts;
18 
19 import static org.junit.Assert.*;
20 
21 import android.platform.test.annotations.AsbSecurityTest;
22 
23 import com.android.sts.common.tradefed.testtype.NonRootSecurityTestCase;
24 import com.android.tradefed.testtype.DeviceJUnit4ClassRunner;
25 
26 import org.junit.Test;
27 import org.junit.runner.RunWith;
28 
29 @RunWith(DeviceJUnit4ClassRunner.class)
30 public class Poc16_12 extends NonRootSecurityTestCase {
31 
32     //Criticals
33     /**
34      *  b/31796940
35      */
36     @Test
37     @AsbSecurityTest(cveBugId = 31796940)
testPocCVE_2016_8406()38     public void testPocCVE_2016_8406() throws Exception {
39         assertNotKernelPointer(() -> {
40             String cmd = "ls /sys/kernel/slab 2>/dev/null | grep nf_conntrack";
41             String result =  AdbUtils.runCommandLine(cmd, getDevice());
42             String pattern = "nf_conntrack_";
43             int index = result.indexOf(pattern);
44             if (index == -1) {
45                 return null;
46             }
47             return result.substring(index + pattern.length());
48         }, getDevice());
49     }
50 }
51