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undefect. CWE-407 — 63 sites patched across 27 ecosystems

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Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com

Patches, unit tests, benchmarks, whitepaper, and outreach briefs.
Public domain — no copyright claimed. Use freely.
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russell@unturf.com 2026-03-26 17:11:57 -04:00
commit 0a580b313d
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73
test/jdk/java/lang/ClassLoader/nativeLibrary/libnativeLibraryTest.c Normal file
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/*
* Copyright (c) 2017, 2022, 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 "jni.h"
static jint count = 0;
static jclass test_class;
static jint current_jni_version = JNI_VERSION_19;
JNIEXPORT jint JNICALL
JNI_OnLoad(JavaVM *vm, void *reserved) {
JNIEnv *env;
jclass cl;
(*vm)->GetEnv(vm, (void **) &env, current_jni_version);
cl = (*env)->FindClass(env, "NativeLibraryTest");
test_class = (*env)->NewGlobalRef(env, cl);
// increment the count when JNI_OnLoad is called
count++;
return current_jni_version;
}
JNIEXPORT void JNICALL
JNI_OnUnload(JavaVM *vm, void *reserved) {
JNIEnv *env;
jmethodID mid;
jclass cl;
(*vm)->GetEnv(vm, (void **) &env, current_jni_version);
mid = (*env)->GetStaticMethodID(env, test_class, "nativeLibraryUnloaded", "()V");
(*env)->CallStaticVoidMethod(env, test_class, mid);
if ((*env)->ExceptionCheck(env)) {
(*env)->ExceptionDescribe(env);
(*env)->FatalError(env, "Exception thrown");
}
cl = (*env)->FindClass(env, "p/Test");
if (cl != NULL) {
(*env)->FatalError(env, "p/Test class should not be found");
}
}
JNIEXPORT jint JNICALL
Java_p_Test_count
(JNIEnv *env, jclass cls) {
return count;
}