Mercurial > hg > truffle
diff test/runtime/7107135/Test7107135.sh @ 8710:9058789475af
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
author | iklam |
---|---|
date | Tue, 05 Mar 2013 13:55:56 -0800 |
parents | |
children | 04d6d4322c6a |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/runtime/7107135/Test7107135.sh Tue Mar 05 13:55:56 2013 -0800 @@ -0,0 +1,98 @@ +#!/bin/sh + +# +# Copyright (c) 1998, 2013, Oracle and/or its affiliates. All rights reserved. +# Copyright (c) 2011 SAP AG. All Rights Reserved. +# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. +# +# This code is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License version 2 only, as +# published by the Free Software Foundation. +# +# This code is distributed in the hope that it will be useful, but WITHOUT +# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or +# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +# version 2 for more details (a copy is included in the LICENSE file that +# accompanied this code). +# +# You should have received a copy of the GNU General Public License version +# 2 along with this work; if not, write to the Free Software Foundation, +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. +# +# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA +# or visit www.oracle.com if you need additional information or have any +# questions. +# + +## +## @test Test7107135.sh +## @bug 7107135 +## @summary Stack guard pages lost after loading library with executable stack. +## @run shell Test7107135.sh +## + +if [ "${TESTSRC}" = "" ] +then TESTSRC=. +fi + +if [ "${TESTJAVA}" = "" ] +then + PARENT=`dirname \`which java\`` + TESTJAVA=`dirname ${PARENT}` + echo "TESTJAVA not set, selecting " ${TESTJAVA} + echo "If this is incorrect, try setting the variable manually." +fi + +BIT_FLAG="" + +# set platform-dependent variables +OS=`uname -s` +case "$OS" in + Linux) + NULL=/dev/null + PS=":" + FS="/" + ;; + *) + NULL=NUL + PS=";" + FS="\\" + echo "Test passed; only valid for Linux" + exit 0; + ;; +esac + +ARCH=`uname -m` + +THIS_DIR=`pwd` + +cp ${TESTSRC}${FS}*.java ${THIS_DIR} +${TESTJAVA}${FS}bin${FS}javac *.java + +gcc -fPIC -shared -c -o test.o -I${TESTJAVA}${FS}include -I${TESTJAVA}${FS}include${FS}linux ${TESTSRC}${FS}test.c +ld -shared -z execstack -o libtest-rwx.so test.o +ld -shared -z noexecstack -o libtest-rw.so test.o + + +LD_LIBRARY_PATH=${THIS_DIR} +echo LD_LIBRARY_PATH = ${LD_LIBRARY_PATH} +export LD_LIBRARY_PATH + +# This should not fail. +echo Check testprogram. Expected to pass: +echo ${TESTJAVA}${FS}bin${FS}java -cp ${THIS_DIR} Test test-rw +${TESTJAVA}${FS}bin${FS}java -cp ${THIS_DIR} Test test-rw + +echo +echo Test changing of stack protection: +echo ${TESTJAVA}${FS}bin${FS}java -cp ${THIS_DIR} Test test-rw +${TESTJAVA}${FS}bin${FS}java -cp ${THIS_DIR} Test test-rwx + +if [ "$?" == "0" ] +then + echo + echo ${TESTJAVA}${FS}bin${FS}java -cp ${THIS_DIR} TestMT test-rwx + ${TESTJAVA}${FS}bin${FS}java -cp ${THIS_DIR} TestMT test-rwx +fi + +exit $?