| /* |
| * Copyright (c) 2015, 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. |
| */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <unistd.h> |
| #include <jni.h> |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| JNIEXPORT jstring JNICALL Java_SEGVOverflow_nativesegv(JNIEnv *env, jobject obj) { |
| char *buffer1; |
| char *buffer2; |
| char *buffer3; |
| char ch; |
| |
| jstring ret = NULL; |
| |
| // sleep for a bit to let the libadimalloc library initialize |
| sleep(5); |
| |
| // allocate three buffers |
| buffer1 = (char *)malloc(64); |
| buffer2 = (char *)malloc(64); |
| buffer3 = (char *)malloc(64); |
| if ((buffer1 == NULL) || (buffer2 == NULL) || (buffer3 == NULL)) { |
| // this return will result in a test failure |
| return ret; |
| } |
| |
| // Read past the end of each buffer multiple times to increase the probability |
| // that an ADI version mismatch occurs so an ADI fault is triggered. |
| ch = buffer1[70]; |
| ch = buffer2[70]; |
| ch = buffer3[70]; |
| ch = buffer1[140]; |
| ch = buffer2[140]; |
| ch = buffer3[140]; |
| |
| // create a failed test return value because this test should have cored |
| buffer1 = "TEST FAILED, a read past the end of a buffer succeeded."; |
| ret = (*env)->NewStringUTF(env, buffer1); |
| |
| return ret; |
| } |
| |
| #ifdef __cplusplus |
| } |
| #endif |