1 /*

     2  * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    23 

    24 

    25 /*

    26  * @test Testlibadimalloc.java

    27  * @bug 8141445

    28  * @summary make sure the Solaris Sparc M7 libadimalloc.so library generates SIGSEGV's on buffer overflow

    29  * @requires (os.family == "solaris" & os.arch == "sparcv9")

    30  * @library /testlibrary

    31  * @build jdk.test.lib.*

    32  * @compile SEGVOverflow.java

    33  * @run driver Testlibadimalloc

    34  */

    35 

    36 import java.io.*;

    37 import java.nio.file.*;

    38 import java.util.*;

    39 import jdk.test.lib.ProcessTools;

    40 

    41 public class Testlibadimalloc {

    42 

    43     // Expected return value when java program cores

    44     static final int EXPECTED_RET_VAL = 6;

    45 

    46     public static void main(String[] args) throws Throwable {

    47 

    48         // See if the libadimalloc.so library exists

    49         Path path = Paths.get("/usr/lib/64/libadimalloc.so");

    50 

    51         // If the libadimalloc.so file does not exist, pass the test

    52         if (!(Files.isRegularFile(path) || Files.isSymbolicLink(path))) {

    53             System.out.println("Test skipped; libadimalloc.so does not exist");

    54             return;

    55         }

    56 

    57         // Get the JDK, library and class path properties

    58         String libpath = System.getProperty("java.library.path");

    59 

    60         // Create a new java process for the SEGVOverflow Java/JNI test

    61         ProcessBuilder builder = ProcessTools.createJavaProcessBuilder(

    62             "-Djava.library.path=" + libpath + ":.", "SEGVOverflow");

    63 

    64         // Add the LD_PRELOAD_64 value to the environment

    65         Map<String, String> env = builder.environment();

    66         env.put("LD_PRELOAD_64", "libadimalloc.so");

    67 

    68         // Start the process, get the pid and then wait for the test to finish

    69         Process process = builder.start();

    70         long pid = process.getPid();

    71         int retval = process.waitFor();

    72 

    73         // make sure the SEGVOverflow test crashed

    74         boolean found = false;

    75         if (retval == EXPECTED_RET_VAL) {

    76             String filename = "hs_err_pid" + pid + ".log";

    77             Path filepath = Paths.get(filename);

    78             // check to see if hs_err_file exists

    79             if (Files.isRegularFile(filepath)) {

    80                 // see if the crash was due to a SEGV_ACCPERR signal

    81                 File hs_err_file = new File(filename);

    82                 Scanner scanner = new Scanner(hs_err_file);

    83                 while (!found && scanner.hasNextLine()) {

    84                     String nextline = scanner.nextLine();

    85                     if (nextline.contains("SEGV_ACCPERR")) {

    86                          found = true;

    87                     }

    88                 }

    89             } else {

    90                 System.out.println("Test failed; hs_err_file does not exist: "

    91                                    + filepath);

    92             }

    93         } else {

    94             System.out.println("Test failed; java test program did not " +

    95                                "return expected error: expected = " +

    96                                EXPECTED_RET_VAL + ", retval = " + retval);

    97         }

    98         // If SEGV_ACCPERR was not found in the hs_err file fail the test

    99         if (!found) {

   100             System.out.println("FAIL: SEGV_ACCPERR not found");

   101             throw new RuntimeException("FAIL: SEGV_ACCPERR not found");

   102         }

   103     }

   104 }