undefect. CWE-407 — 63 sites patched across 27 ecosystems
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.
This commit is contained in:
commit
0a580b313d
70422 changed files with 17213626 additions and 0 deletions
|
|
@ -0,0 +1,403 @@
|
|||
/*
|
||||
* Copyright (c) 2011, 2025, 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 id=G1
|
||||
* @bug 6173675 8231209 8304074 8313081
|
||||
* @summary Basic test of ThreadMXBean.getThreadAllocatedBytes
|
||||
* @requires vm.gc.G1
|
||||
* @requires test.thread.factory != "Virtual"
|
||||
* @run main/othervm -XX:+UseG1GC ThreadAllocatedMemory
|
||||
*/
|
||||
|
||||
/*
|
||||
* @test id=Serial
|
||||
* @bug 6173675 8231209 8304074 8313081
|
||||
* @summary Basic test of ThreadMXBean.getThreadAllocatedBytes
|
||||
* @requires vm.gc.Serial
|
||||
* @requires test.thread.factory != "Virtual"
|
||||
* @run main/othervm -XX:+UseSerialGC ThreadAllocatedMemory
|
||||
*/
|
||||
|
||||
import java.lang.management.*;
|
||||
|
||||
public class ThreadAllocatedMemory {
|
||||
private static com.sun.management.ThreadMXBean mbean =
|
||||
(com.sun.management.ThreadMXBean)ManagementFactory.getThreadMXBean();
|
||||
private static boolean testFailed = false;
|
||||
private static volatile boolean done = false;
|
||||
private static volatile boolean done1 = false;
|
||||
private static Object obj = new Object();
|
||||
private static final int NUM_THREADS = 10;
|
||||
private static Thread[] threads = new Thread[NUM_THREADS];
|
||||
private static long[] sizes = new long[NUM_THREADS];
|
||||
|
||||
public static void main(String[] argv)
|
||||
throws Exception {
|
||||
|
||||
testSupportEnableDisable();
|
||||
|
||||
// Test current thread two ways
|
||||
testGetCurrentThreadAllocatedBytes();
|
||||
testCurrentThreadGetThreadAllocatedBytes();
|
||||
|
||||
// Test a single thread that is not this one
|
||||
testGetThreadAllocatedBytes();
|
||||
|
||||
// Test many threads that are not this one
|
||||
testGetThreadsAllocatedBytes();
|
||||
|
||||
// Test cumulative Java thread allocation since JVM launch
|
||||
testGetTotalThreadAllocatedBytes();
|
||||
|
||||
if (testFailed) {
|
||||
throw new RuntimeException("TEST FAILED");
|
||||
}
|
||||
|
||||
System.out.println("Test passed");
|
||||
}
|
||||
|
||||
private static void testSupportEnableDisable() {
|
||||
if (!mbean.isThreadAllocatedMemorySupported()) {
|
||||
return;
|
||||
}
|
||||
|
||||
// disable allocated memory measurement
|
||||
if (mbean.isThreadAllocatedMemoryEnabled()) {
|
||||
mbean.setThreadAllocatedMemoryEnabled(false);
|
||||
}
|
||||
|
||||
if (mbean.isThreadAllocatedMemoryEnabled()) {
|
||||
throw new RuntimeException(
|
||||
"ThreadAllocatedMemory is expected to be disabled");
|
||||
}
|
||||
|
||||
long s = mbean.getCurrentThreadAllocatedBytes();
|
||||
if (s != -1) {
|
||||
throw new RuntimeException(
|
||||
"Invalid ThreadAllocatedBytes returned = " +
|
||||
s + " expected = -1");
|
||||
}
|
||||
|
||||
// enable allocated memory measurement
|
||||
if (!mbean.isThreadAllocatedMemoryEnabled()) {
|
||||
mbean.setThreadAllocatedMemoryEnabled(true);
|
||||
}
|
||||
|
||||
if (!mbean.isThreadAllocatedMemoryEnabled()) {
|
||||
throw new RuntimeException(
|
||||
"ThreadAllocatedMemory is expected to be enabled");
|
||||
}
|
||||
}
|
||||
|
||||
private static void testGetCurrentThreadAllocatedBytes() {
|
||||
Thread curThread = Thread.currentThread();
|
||||
|
||||
long size = mbean.getCurrentThreadAllocatedBytes();
|
||||
ensureValidSize(curThread, size);
|
||||
|
||||
// do some more allocation
|
||||
doit();
|
||||
|
||||
checkResult(curThread, size,
|
||||
mbean.getCurrentThreadAllocatedBytes());
|
||||
}
|
||||
|
||||
private static void testCurrentThreadGetThreadAllocatedBytes() {
|
||||
Thread curThread = Thread.currentThread();
|
||||
long id = curThread.getId();
|
||||
|
||||
long size = mbean.getThreadAllocatedBytes(id);
|
||||
ensureValidSize(curThread, size);
|
||||
|
||||
// do some more allocation
|
||||
doit();
|
||||
|
||||
checkResult(curThread, size, mbean.getThreadAllocatedBytes(id));
|
||||
}
|
||||
|
||||
private static void testGetThreadAllocatedBytes()
|
||||
throws Exception {
|
||||
|
||||
// start a thread
|
||||
done = false;
|
||||
done1 = false;
|
||||
Thread curThread = new MyThread("MyThread");
|
||||
curThread.start();
|
||||
long id = curThread.getId();
|
||||
|
||||
// wait for thread to block after doing some allocation
|
||||
waitUntilThreadBlocked(curThread);
|
||||
|
||||
long size = mbean.getThreadAllocatedBytes(id);
|
||||
ensureValidSize(curThread, size);
|
||||
|
||||
// let thread go to do some more allocation
|
||||
synchronized (obj) {
|
||||
done = true;
|
||||
obj.notifyAll();
|
||||
}
|
||||
|
||||
// wait for thread to get going again. we don't care if we
|
||||
// catch it in mid-execution or if it hasn't
|
||||
// restarted after we're done sleeping.
|
||||
goSleep(400);
|
||||
|
||||
checkResult(curThread, size, mbean.getThreadAllocatedBytes(id));
|
||||
|
||||
// let thread exit
|
||||
synchronized (obj) {
|
||||
done1 = true;
|
||||
obj.notifyAll();
|
||||
}
|
||||
|
||||
try {
|
||||
curThread.join();
|
||||
} catch (InterruptedException e) {
|
||||
reportUnexpected(e, "during join");
|
||||
}
|
||||
}
|
||||
|
||||
private static void testGetThreadsAllocatedBytes()
|
||||
throws Exception {
|
||||
|
||||
// start threads
|
||||
done = false;
|
||||
done1 = false;
|
||||
for (int i = 0; i < NUM_THREADS; i++) {
|
||||
threads[i] = new MyThread("MyThread-" + i);
|
||||
threads[i].start();
|
||||
}
|
||||
|
||||
// wait for threads to block after doing some allocation
|
||||
waitUntilThreadsBlocked();
|
||||
|
||||
for (int i = 0; i < NUM_THREADS; i++) {
|
||||
sizes[i] = mbean.getThreadAllocatedBytes(threads[i].getId());
|
||||
ensureValidSize(threads[i], sizes[i]);
|
||||
}
|
||||
|
||||
// let threads go to do some more allocation
|
||||
synchronized (obj) {
|
||||
done = true;
|
||||
obj.notifyAll();
|
||||
}
|
||||
|
||||
// wait for threads to get going again. we don't care if we
|
||||
// catch them in mid-execution or if some of them haven't
|
||||
// restarted after we're done sleeping.
|
||||
goSleep(400);
|
||||
|
||||
for (int i = 0; i < NUM_THREADS; i++) {
|
||||
checkResult(threads[i], sizes[i],
|
||||
mbean.getThreadAllocatedBytes(threads[i].getId()));
|
||||
}
|
||||
|
||||
// let threads exit
|
||||
synchronized (obj) {
|
||||
done1 = true;
|
||||
obj.notifyAll();
|
||||
}
|
||||
|
||||
for (int i = 0; i < NUM_THREADS; i++) {
|
||||
try {
|
||||
threads[i].join();
|
||||
} catch (InterruptedException e) {
|
||||
reportUnexpected(e, "during join");
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private static void testGetTotalThreadAllocatedBytes()
|
||||
throws Exception {
|
||||
|
||||
// baseline should be positive
|
||||
Thread curThread = Thread.currentThread();
|
||||
long cumulativeSize = mbean.getTotalThreadAllocatedBytes();
|
||||
if (cumulativeSize <= 0) {
|
||||
throw new RuntimeException(
|
||||
"Invalid allocated bytes returned for " + curThread.getName() + " = " + cumulativeSize);
|
||||
}
|
||||
|
||||
// start threads
|
||||
done = false;
|
||||
done1 = false;
|
||||
for (int i = 0; i < NUM_THREADS; i++) {
|
||||
threads[i] = new MyThread("MyThread-" + i);
|
||||
threads[i].start();
|
||||
}
|
||||
|
||||
// wait for threads to block after doing some allocation
|
||||
waitUntilThreadsBlocked();
|
||||
|
||||
// check after threads are blocked
|
||||
cumulativeSize = checkResult(curThread, cumulativeSize, mbean.getTotalThreadAllocatedBytes());
|
||||
|
||||
// let threads go to do some more allocation
|
||||
synchronized (obj) {
|
||||
done = true;
|
||||
obj.notifyAll();
|
||||
}
|
||||
|
||||
// wait for threads to get going again. we don't care if we
|
||||
// catch them in mid-execution or if some of them haven't
|
||||
// restarted after we're done sleeping.
|
||||
goSleep(400);
|
||||
|
||||
System.out.println("Done sleeping");
|
||||
|
||||
// check while threads are running
|
||||
cumulativeSize = checkResult(curThread, cumulativeSize, mbean.getTotalThreadAllocatedBytes());
|
||||
|
||||
// let threads exit
|
||||
synchronized (obj) {
|
||||
done1 = true;
|
||||
obj.notifyAll();
|
||||
}
|
||||
|
||||
for (int i = 0; i < NUM_THREADS; i++) {
|
||||
try {
|
||||
threads[i].join();
|
||||
} catch (InterruptedException e) {
|
||||
reportUnexpected(e, "during join");
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
// check after threads exit
|
||||
checkResult(curThread, cumulativeSize, mbean.getTotalThreadAllocatedBytes());
|
||||
}
|
||||
|
||||
private static void ensureValidSize(Thread curThread, long size) {
|
||||
// implementation could have started measurement when
|
||||
// measurement was enabled, in which case size can be 0
|
||||
if (size < 0) {
|
||||
throw new RuntimeException(
|
||||
"Invalid allocated bytes returned for thread " +
|
||||
curThread.getName() + " = " + size);
|
||||
}
|
||||
}
|
||||
|
||||
private static long checkResult(Thread curThread,
|
||||
long prevSize, long currSize) {
|
||||
System.out.println(curThread.getName() +
|
||||
" Previous allocated bytes = " + prevSize +
|
||||
" Current allocated bytes = " + currSize);
|
||||
if (currSize < prevSize) {
|
||||
throw new RuntimeException("TEST FAILED: " +
|
||||
curThread.getName() +
|
||||
" previous allocated bytes = " + prevSize +
|
||||
" > current allocated bytes = " + currSize);
|
||||
}
|
||||
return currSize;
|
||||
}
|
||||
|
||||
private static void reportUnexpected(Exception e, String when) {
|
||||
System.out.println("Unexpected exception thrown " + when + ".");
|
||||
e.printStackTrace(System.out);
|
||||
testFailed = true;
|
||||
}
|
||||
|
||||
private static void goSleep(long ms) throws Exception {
|
||||
try {
|
||||
Thread.sleep(ms);
|
||||
} catch (InterruptedException e) {
|
||||
throw e;
|
||||
}
|
||||
}
|
||||
|
||||
private static void waitUntilThreadBlocked(Thread thread)
|
||||
throws Exception {
|
||||
while (true) {
|
||||
goSleep(100);
|
||||
ThreadInfo info = mbean.getThreadInfo(thread.getId());
|
||||
if (info.getThreadState() == Thread.State.WAITING) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
private static void waitUntilThreadsBlocked()
|
||||
throws Exception {
|
||||
int count = 0;
|
||||
while (count != NUM_THREADS) {
|
||||
goSleep(100);
|
||||
count = 0;
|
||||
for (int i = 0; i < NUM_THREADS; i++) {
|
||||
ThreadInfo info = mbean.getThreadInfo(threads[i].getId());
|
||||
if (info.getThreadState() == Thread.State.WAITING) {
|
||||
count++;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
public static void doit() {
|
||||
String tmp = "";
|
||||
long hashCode = 0;
|
||||
for (int counter = 0; counter < 1000; counter++) {
|
||||
tmp += counter;
|
||||
hashCode = tmp.hashCode();
|
||||
}
|
||||
System.out.println(Thread.currentThread().getName() +
|
||||
" hashcode: " + hashCode);
|
||||
}
|
||||
|
||||
static class MyThread extends Thread {
|
||||
public MyThread(String name) {
|
||||
super(name);
|
||||
}
|
||||
|
||||
public void run() {
|
||||
ThreadAllocatedMemory.doit();
|
||||
|
||||
synchronized (obj) {
|
||||
while (!done) {
|
||||
try {
|
||||
obj.wait();
|
||||
} catch (InterruptedException e) {
|
||||
reportUnexpected(e, "while !done");
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
long prevSize = mbean.getThreadAllocatedBytes(getId());
|
||||
ThreadAllocatedMemory.doit();
|
||||
long currSize = mbean.getThreadAllocatedBytes(getId());
|
||||
checkResult(this, prevSize, currSize);
|
||||
|
||||
synchronized (obj) {
|
||||
while (!done1) {
|
||||
try {
|
||||
obj.wait();
|
||||
} catch (InterruptedException e) {
|
||||
reportUnexpected(e, "while !done1");
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue