jdk8-mips64-public/hotspot: test/runtime/7107135/Test7107135.sh@9058789475af

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

     1 #!/bin/sh

3 #

     4 #  Copyright (c) 1998, 2013, Oracle and/or its affiliates. All rights reserved.

     5 #  Copyright (c) 2011 SAP AG.  All Rights Reserved.

     6 #  DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

7 #

     8 #  This code is free software; you can redistribute it and/or modify it

     9 #  under the terms of the GNU General Public License version 2 only, as

    10 #  published by the Free Software Foundation.

    11 #

    12 #  This code is distributed in the hope that it will be useful, but WITHOUT

    13 #  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    14 #  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    15 #  version 2 for more details (a copy is included in the LICENSE file that

    16 #  accompanied this code).

    17 #

    18 #  You should have received a copy of the GNU General Public License version

    19 #  2 along with this work; if not, write to the Free Software Foundation,

    20 #  Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    21 #

    22 #  Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    23 #  or visit www.oracle.com if you need additional information or have any

    24 #  questions.

    25 #

    27 ##

    28 ## @test Test7107135.sh

    29 ## @bug 7107135

    30 ## @summary Stack guard pages lost after loading library with executable stack.

    31 ## @run shell Test7107135.sh

    32 ##

    34 if [ "${TESTSRC}" = "" ]

    35 then TESTSRC=.

    36 fi

    38 if [ "${TESTJAVA}" = "" ]

    39 then

    40   PARENT=`dirname \`which java\``

    41   TESTJAVA=`dirname ${PARENT}`

    42   echo "TESTJAVA not set, selecting " ${TESTJAVA}

    43   echo "If this is incorrect, try setting the variable manually."

    44 fi

    46 BIT_FLAG=""

    48 # set platform-dependent variables

    49 OS=`uname -s`

    50 case "$OS" in

    51   Linux)

    52     NULL=/dev/null

    53     PS=":"

    54     FS="/"

    55     ;;

    56   *)

    57     NULL=NUL

    58     PS=";"

    59     FS="\\"

    60     echo "Test passed; only valid for Linux"

    61     exit 0;

    62     ;;

    63 esac

    65 ARCH=`uname -m`

    67 THIS_DIR=`pwd`

    69 cp ${TESTSRC}${FS}*.java ${THIS_DIR}

    70 ${TESTJAVA}${FS}bin${FS}javac *.java

    72 gcc -fPIC -shared -c -o test.o -I${TESTJAVA}${FS}include -I${TESTJAVA}${FS}include${FS}linux ${TESTSRC}${FS}test.c

    73 ld -shared -z   execstack -o libtest-rwx.so test.o

    74 ld -shared -z noexecstack -o libtest-rw.so  test.o

    77 LD_LIBRARY_PATH=${THIS_DIR}

    78 echo   LD_LIBRARY_PATH = ${LD_LIBRARY_PATH}

    79 export LD_LIBRARY_PATH

    81 # This should not fail.

    82 echo Check testprogram. Expected to pass:

    83 echo ${TESTJAVA}${FS}bin${FS}java -cp ${THIS_DIR} Test test-rw

    84 ${TESTJAVA}${FS}bin${FS}java -cp ${THIS_DIR} Test test-rw

    86 echo

    87 echo Test changing of stack protection:

    88 echo ${TESTJAVA}${FS}bin${FS}java -cp ${THIS_DIR} Test test-rw

    89 ${TESTJAVA}${FS}bin${FS}java -cp ${THIS_DIR} Test test-rwx

    91 if [ "$?" == "0" ]

    92 then

    93   echo

    94   echo ${TESTJAVA}${FS}bin${FS}java -cp ${THIS_DIR} TestMT test-rwx

    95   ${TESTJAVA}${FS}bin${FS}java -cp ${THIS_DIR} TestMT test-rwx

    96 fi

    98 exit $?

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test/runtime/7107135/Test7107135.sh@9058789475af

test/runtime/7107135/Test7107135.sh