--- old/test/hotspot/jtreg/runtime/appcds/dynamicArchive/ArchiveConsistency.java 2019-07-24 08:27:16.517469445 -0400 +++ /dev/null 2019-07-22 09:37:15.068007775 -0400 @@ -1,167 +0,0 @@ -/* - * Copyright (c) 2019, Oracle and/or its affiliates. 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 - * @summary Corrupt the header CRC fields of the top archive. VM should exit with an error. - * @requires vm.cds - * @library /test/lib /test/hotspot/jtreg/runtime/appcds /test/hotspot/jtreg/runtime/appcds/test-classes - * @build Hello sun.hotspot.WhiteBox - * @run driver ClassFileInstaller -jar hello.jar Hello - * @run driver ClassFileInstaller sun.hotspot.WhiteBox - * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI ArchiveConsistency - */ - -import java.io.File; -import java.io.IOException; -import java.nio.ByteBuffer; -import java.nio.ByteOrder; -import java.nio.channels.FileChannel; -import java.nio.file.StandardOpenOption; -import static java.nio.file.StandardOpenOption.READ; -import static java.nio.file.StandardOpenOption.WRITE; -import java.util.ArrayList; -import java.util.HashSet; -import java.util.List; -import sun.hotspot.WhiteBox; - -public class ArchiveConsistency extends DynamicArchiveTestBase { - public static WhiteBox wb; - public static int int_size; // size of int - public static String[] shared_region_name = {"MiscCode", "ReadWrite", "ReadOnly", "MiscData"}; - public static int num_regions = shared_region_name.length; - - public static void main(String[] args) throws Exception { - runTest(ArchiveConsistency::testCustomBase); - } - - // Test with custom base archive + top archive - static void testCustomBase() throws Exception { - String topArchiveName = getNewArchiveName("top2"); - String baseArchiveName = getNewArchiveName("base"); - dumpBaseArchive(baseArchiveName); - doTest(baseArchiveName, topArchiveName); - } - - public static void setReadWritePermission(File file) throws Exception { - if (!file.canRead()) { - if (!file.setReadable(true)) { - throw new IOException("Cannot modify file " + file + " as readable"); - } - } - if (!file.canWrite()) { - if (!file.setWritable(true)) { - throw new IOException("Cannot modify file " + file + " as writable"); - } - } - } - - public static long readInt(FileChannel fc, long offset, int nbytes) throws Exception { - ByteBuffer bb = ByteBuffer.allocate(nbytes); - bb.order(ByteOrder.nativeOrder()); - fc.position(offset); - fc.read(bb); - return (nbytes > 4 ? bb.getLong(0) : bb.getInt(0)); - } - - public static long align_up_page(long l) throws Exception { - // wb is obtained in getFileOffsetInfo() which is called first in main() else we should call - // WhiteBox.getWhiteBox() here first. - int pageSize = wb.getVMPageSize(); - return (l + pageSize -1) & (~ (pageSize - 1)); - } - - public static void writeData(FileChannel fc, long offset, ByteBuffer bb) throws Exception { - fc.position(offset); - fc.write(bb); - fc.force(true); - } - - public static FileChannel getFileChannel(File jsa) throws Exception { - List arry = new ArrayList(); - arry.add(READ); - arry.add(WRITE); - return FileChannel.open(jsa.toPath(), new HashSet(arry)); - } - - public static void modifyJsaHeaderCRC(File jsa) throws Exception { - FileChannel fc = getFileChannel(jsa); - int_size = wb.getOffsetForName("int_size"); - System.out.println(" int_size " + int_size); - ByteBuffer bbuf = ByteBuffer.allocateDirect(int_size); - for (int i = 0; i < int_size; i++) { - bbuf.put((byte)0); - } - - int baseArchiveCRCOffset = wb.getOffsetForName("DynamicArchiveHeader::_base_archive_crc"); - int crc = 0; - System.out.printf("%-12s%-12s\n", "Space name", "CRC"); - for (int i = 0; i < 4; i++) { - baseArchiveCRCOffset += int_size * i; - System.out.println(" baseArchiveCRCOffset " + baseArchiveCRCOffset); - crc = (int)readInt(fc, baseArchiveCRCOffset, int_size ); - System.out.printf("%-11s%-12d\n", shared_region_name[i], crc); - bbuf.rewind(); - writeData(fc, baseArchiveCRCOffset, bbuf); - } - fc.force(true); - if (fc.isOpen()) { - fc.close(); - } - } - - private static void doTest(String baseArchiveName, String topArchiveName) throws Exception { - String appJar = ClassFileInstaller.getJarPath("hello.jar"); - String mainClass = "Hello"; - dump2(baseArchiveName, topArchiveName, - "-Xlog:cds", - "-Xlog:cds+dynamic=debug", - "-cp", appJar, mainClass) - .assertNormalExit(output -> { - output.shouldContain("Buffer-space to target-space delta") - .shouldContain("Written dynamic archive 0x"); - }); - - File jsa = new File(topArchiveName); - if (!jsa.exists()) { - throw new IOException(jsa + " does not exist!"); - } - - // Modify the CRC values in the header of the top archive. - wb = WhiteBox.getWhiteBox(); - setReadWritePermission(jsa); - modifyJsaHeaderCRC(jsa); - - run2(baseArchiveName, topArchiveName, - "-Xlog:class+load", - "-Xlog:cds+dynamic=debug,cds=debug", - "-XX:+VerifySharedSpaces", - "-cp", appJar, mainClass) - .assertAbnormalExit(output -> { - output.shouldContain("Header checksum verification failed") - .shouldContain("Unable to use shared archive") - .shouldHaveExitValue(1); - }); - } -} --- /dev/null 2019-07-22 09:37:15.068007775 -0400 +++ new/test/hotspot/jtreg/runtime/cds/dynamicArchive/ArchiveConsistency.java 2019-07-24 08:27:16.229469455 -0400 @@ -0,0 +1,167 @@ +/* + * Copyright (c) 2019, Oracle and/or its affiliates. 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 + * @summary Corrupt the header CRC fields of the top archive. VM should exit with an error. + * @requires vm.cds + * @library /test/lib /test/hotspot/jtreg/runtime/cds /test/hotspot/jtreg/runtime/cds/test-classes + * @build Hello sun.hotspot.WhiteBox + * @run driver ClassFileInstaller -jar hello.jar Hello + * @run driver ClassFileInstaller sun.hotspot.WhiteBox + * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI ArchiveConsistency + */ + +import java.io.File; +import java.io.IOException; +import java.nio.ByteBuffer; +import java.nio.ByteOrder; +import java.nio.channels.FileChannel; +import java.nio.file.StandardOpenOption; +import static java.nio.file.StandardOpenOption.READ; +import static java.nio.file.StandardOpenOption.WRITE; +import java.util.ArrayList; +import java.util.HashSet; +import java.util.List; +import sun.hotspot.WhiteBox; + +public class ArchiveConsistency extends DynamicArchiveTestBase { + public static WhiteBox wb; + public static int int_size; // size of int + public static String[] shared_region_name = {"MiscCode", "ReadWrite", "ReadOnly", "MiscData"}; + public static int num_regions = shared_region_name.length; + + public static void main(String[] args) throws Exception { + runTest(ArchiveConsistency::testCustomBase); + } + + // Test with custom base archive + top archive + static void testCustomBase() throws Exception { + String topArchiveName = getNewArchiveName("top2"); + String baseArchiveName = getNewArchiveName("base"); + dumpBaseArchive(baseArchiveName); + doTest(baseArchiveName, topArchiveName); + } + + public static void setReadWritePermission(File file) throws Exception { + if (!file.canRead()) { + if (!file.setReadable(true)) { + throw new IOException("Cannot modify file " + file + " as readable"); + } + } + if (!file.canWrite()) { + if (!file.setWritable(true)) { + throw new IOException("Cannot modify file " + file + " as writable"); + } + } + } + + public static long readInt(FileChannel fc, long offset, int nbytes) throws Exception { + ByteBuffer bb = ByteBuffer.allocate(nbytes); + bb.order(ByteOrder.nativeOrder()); + fc.position(offset); + fc.read(bb); + return (nbytes > 4 ? bb.getLong(0) : bb.getInt(0)); + } + + public static long align_up_page(long l) throws Exception { + // wb is obtained in getFileOffsetInfo() which is called first in main() else we should call + // WhiteBox.getWhiteBox() here first. + int pageSize = wb.getVMPageSize(); + return (l + pageSize -1) & (~ (pageSize - 1)); + } + + public static void writeData(FileChannel fc, long offset, ByteBuffer bb) throws Exception { + fc.position(offset); + fc.write(bb); + fc.force(true); + } + + public static FileChannel getFileChannel(File jsa) throws Exception { + List arry = new ArrayList(); + arry.add(READ); + arry.add(WRITE); + return FileChannel.open(jsa.toPath(), new HashSet(arry)); + } + + public static void modifyJsaHeaderCRC(File jsa) throws Exception { + FileChannel fc = getFileChannel(jsa); + int_size = wb.getOffsetForName("int_size"); + System.out.println(" int_size " + int_size); + ByteBuffer bbuf = ByteBuffer.allocateDirect(int_size); + for (int i = 0; i < int_size; i++) { + bbuf.put((byte)0); + } + + int baseArchiveCRCOffset = wb.getOffsetForName("DynamicArchiveHeader::_base_archive_crc"); + int crc = 0; + System.out.printf("%-12s%-12s\n", "Space name", "CRC"); + for (int i = 0; i < 4; i++) { + baseArchiveCRCOffset += int_size * i; + System.out.println(" baseArchiveCRCOffset " + baseArchiveCRCOffset); + crc = (int)readInt(fc, baseArchiveCRCOffset, int_size ); + System.out.printf("%-11s%-12d\n", shared_region_name[i], crc); + bbuf.rewind(); + writeData(fc, baseArchiveCRCOffset, bbuf); + } + fc.force(true); + if (fc.isOpen()) { + fc.close(); + } + } + + private static void doTest(String baseArchiveName, String topArchiveName) throws Exception { + String appJar = ClassFileInstaller.getJarPath("hello.jar"); + String mainClass = "Hello"; + dump2(baseArchiveName, topArchiveName, + "-Xlog:cds", + "-Xlog:cds+dynamic=debug", + "-cp", appJar, mainClass) + .assertNormalExit(output -> { + output.shouldContain("Buffer-space to target-space delta") + .shouldContain("Written dynamic archive 0x"); + }); + + File jsa = new File(topArchiveName); + if (!jsa.exists()) { + throw new IOException(jsa + " does not exist!"); + } + + // Modify the CRC values in the header of the top archive. + wb = WhiteBox.getWhiteBox(); + setReadWritePermission(jsa); + modifyJsaHeaderCRC(jsa); + + run2(baseArchiveName, topArchiveName, + "-Xlog:class+load", + "-Xlog:cds+dynamic=debug,cds=debug", + "-XX:+VerifySharedSpaces", + "-cp", appJar, mainClass) + .assertAbnormalExit(output -> { + output.shouldContain("Header checksum verification failed") + .shouldContain("Unable to use shared archive") + .shouldHaveExitValue(1); + }); + } +}