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annotate test/runtime/7107135/Test7107135.sh @ 8710:9058789475af

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7107135: Stack guard pages are no more protected after loading a shared library with executable stack Summary: Detect the execstack attribute of the loaded library and attempt to fix the stack guard using Safepoint op. Reviewed-by: dholmes, zgu Contributed-by: ioi.lam@oracle.com
author iklam
date Tue, 05 Mar 2013 13:55:56 -0800
parents
children 04d6d4322c6a
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1 #!/bin/sh
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2
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3 #
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4 # Copyright (c) 1998, 2013, Oracle and/or its affiliates. All rights reserved.
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5 # Copyright (c) 2011 SAP AG. All Rights Reserved.
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6 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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7 #
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8 # This code is free software; you can redistribute it and/or modify it
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9 # under the terms of the GNU General Public License version 2 only, as
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10 # published by the Free Software Foundation.
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11 #
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12 # This code is distributed in the hope that it will be useful, but WITHOUT
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13 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 # FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 # version 2 for more details (a copy is included in the LICENSE file that
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16 # accompanied this code).
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17 #
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18 # You should have received a copy of the GNU General Public License version
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19 # 2 along with this work; if not, write to the Free Software Foundation,
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20 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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21 #
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22 # Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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23 # or visit www.oracle.com if you need additional information or have any
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24 # questions.
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25 #
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26
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27 ##
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28 ## @test Test7107135.sh
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29 ## @bug 7107135
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30 ## @summary Stack guard pages lost after loading library with executable stack.
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31 ## @run shell Test7107135.sh
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32 ##
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33
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34 if [ "${TESTSRC}" = "" ]
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35 then TESTSRC=.
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36 fi
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37
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38 if [ "${TESTJAVA}" = "" ]
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39 then
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40 PARENT=`dirname \`which java\``
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41 TESTJAVA=`dirname ${PARENT}`
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42 echo "TESTJAVA not set, selecting " ${TESTJAVA}
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43 echo "If this is incorrect, try setting the variable manually."
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44 fi
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45
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46 BIT_FLAG=""
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47
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48 # set platform-dependent variables
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49 OS=`uname -s`
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50 case "$OS" in
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51 Linux)
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52 NULL=/dev/null
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53 PS=":"
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54 FS="/"
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55 ;;
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56 *)
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57 NULL=NUL
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58 PS=";"
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59 FS="\\"
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60 echo "Test passed; only valid for Linux"
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61 exit 0;
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62 ;;
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63 esac
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64
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65 ARCH=`uname -m`
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66
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67 THIS_DIR=`pwd`
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68
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69 cp ${TESTSRC}${FS}*.java ${THIS_DIR}
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70 ${TESTJAVA}${FS}bin${FS}javac *.java
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71
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72 gcc -fPIC -shared -c -o test.o -I${TESTJAVA}${FS}include -I${TESTJAVA}${FS}include${FS}linux ${TESTSRC}${FS}test.c
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73 ld -shared -z execstack -o libtest-rwx.so test.o
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74 ld -shared -z noexecstack -o libtest-rw.so test.o
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75
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76
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77 LD_LIBRARY_PATH=${THIS_DIR}
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78 echo LD_LIBRARY_PATH = ${LD_LIBRARY_PATH}
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79 export LD_LIBRARY_PATH
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80
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81 # This should not fail.
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82 echo Check testprogram. Expected to pass:
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83 echo ${TESTJAVA}${FS}bin${FS}java -cp ${THIS_DIR} Test test-rw
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84 ${TESTJAVA}${FS}bin${FS}java -cp ${THIS_DIR} Test test-rw
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85
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86 echo
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87 echo Test changing of stack protection:
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88 echo ${TESTJAVA}${FS}bin${FS}java -cp ${THIS_DIR} Test test-rw
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89 ${TESTJAVA}${FS}bin${FS}java -cp ${THIS_DIR} Test test-rwx
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90
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91 if [ "$?" == "0" ]
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92 then
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93 echo
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94 echo ${TESTJAVA}${FS}bin${FS}java -cp ${THIS_DIR} TestMT test-rwx
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95 ${TESTJAVA}${FS}bin${FS}java -cp ${THIS_DIR} TestMT test-rwx
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96 fi
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97
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98 exit $?