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 $?