/* * Copyright (c) 2026, Oracle and/or its affiliates. All rights reserved. * Copyright (c) 2026, NTT DATA * 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. */ import java.lang.invoke.MethodHandle; import java.lang.foreign.FunctionDescriptor; import java.lang.foreign.Linker; import java.lang.foreign.ValueLayout; import jdk.test.lib.Asserts; import jdk.test.lib.apps.LingeredApp; public class LingeredAppWithVDSOCall extends LingeredApp { private static final MethodHandle gettimeofday; static { var desc = FunctionDescriptor.of(ValueLayout.JAVA_INT, // return ValueLayout.JAVA_LONG, // tv ValueLayout.JAVA_LONG); // tz var linker = Linker.nativeLinker(); var gettimeofdayPtr = linker.defaultLookup().findOrThrow("gettimeofday"); gettimeofday = linker.downcallHandle(gettimeofdayPtr, desc); } private static void crashAtGettimeofday(long tvAddr, long tzAddr) { try { gettimeofday.invoke(tvAddr, tzAddr); } catch (Throwable t) { throw new RuntimeException(t); } Asserts.fail("gettimeofday() didn't crash"); } public static void main(String[] args) { setCrasher(() -> crashAtGettimeofday(100L, 200L)); LingeredApp.main(args); } }