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 * @test 26 * @bug 8010927 27 * @summary Kitchensink crashed with SIGSEGV, Problematic frame: v ~StubRoutines::checkcast_arraycopy 28 * @library /testlibrary/whitebox /testlibrary 29 * @build Test8010927 30 * @run main ClassFileInstaller sun.hotspot.WhiteBox 31 * sun.hotspot.WhiteBox$WhiteBoxPermission 32 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+IgnoreUnrecognizedVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:. -Xmx64m -XX:NewSize=20971520 -XX:MaxNewSize=32m -XX:-UseTLAB -XX:-UseAdaptiveSizePolicy Test8010927 33 */ 34 35 import sun.hotspot.WhiteBox; 36 import java.lang.reflect.Field; 37 import sun.misc.Unsafe; 38 39 /** 40 * The test creates uncommitted space between oldgen and young gen 41 * by specifying MaxNewSize bigger than NewSize. 42 * NewSize = 20971520 = (512*4K) * 10 for 4k pages 43 * Then it tries to execute arraycopy() with elements type check 44 * to the array at the end of survive space near unused space. 45 */ 46 47 public class Test8010927 { 48 49 private static final Unsafe U; 50 51 static { 52 try { 53 Field unsafe = Unsafe.class.getDeclaredField("theUnsafe"); 54 unsafe.setAccessible(true); 55 U = (Unsafe) unsafe.get(null); | 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* 25 * @test 26 * @bug 8010927 27 * @summary Kitchensink crashed with SIGSEGV, Problematic frame: v ~StubRoutines::checkcast_arraycopy 28 * @library /../../test/lib /testlibrary 29 * @build Test8010927 30 * @run main ClassFileInstaller jdk.testlib.WhiteBox 31 * jdk.testlib.WhiteBox$WhiteBoxPermission 32 * @run main/othervm -XX:+UnlockDiagnosticVMOptions -XX:+IgnoreUnrecognizedVMOptions -XX:+WhiteBoxAPI -Xbootclasspath/a:. -Xmx64m -XX:NewSize=20971520 -XX:MaxNewSize=32m -XX:-UseTLAB -XX:-UseAdaptiveSizePolicy Test8010927 33 */ 34 35 import jdk.testlib.WhiteBox; 36 import java.lang.reflect.Field; 37 import sun.misc.Unsafe; 38 39 /** 40 * The test creates uncommitted space between oldgen and young gen 41 * by specifying MaxNewSize bigger than NewSize. 42 * NewSize = 20971520 = (512*4K) * 10 for 4k pages 43 * Then it tries to execute arraycopy() with elements type check 44 * to the array at the end of survive space near unused space. 45 */ 46 47 public class Test8010927 { 48 49 private static final Unsafe U; 50 51 static { 52 try { 53 Field unsafe = Unsafe.class.getDeclaredField("theUnsafe"); 54 unsafe.setAccessible(true); 55 U = (Unsafe) unsafe.get(null); |