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openjdk-1.8.0/8193682-Infinite-loop-in-ZipOutputStream.close.patch

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From ba4213c7350e7a145a142d0cbe54718a8c92b93c Mon Sep 17 00:00:00 2001
Subject: 8193682: Infinite loop in ZipOutputStream.close()
---
.../java/util/zip/DeflaterOutputStream.java | 9 +-
.../java/util/zip/GZIPOutputStream.java | 38 +++--
.../java/util/zip/ZipOutputStream.java | 96 ++++++------
jdk/test/java/util/zip/CloseDeflaterTest.java | 147 ++++++++++++++++++
4 files changed, 226 insertions(+), 64 deletions(-)
create mode 100644 jdk/test/java/util/zip/CloseDeflaterTest.java
diff --git a/jdk/src/share/classes/java/util/zip/DeflaterOutputStream.java b/jdk/src/share/classes/java/util/zip/DeflaterOutputStream.java
index a1f768cae..f4cf79693 100644
--- a/jdk/src/share/classes/java/util/zip/DeflaterOutputStream.java
+++ b/jdk/src/share/classes/java/util/zip/DeflaterOutputStream.java
@@ -235,9 +235,12 @@ class DeflaterOutputStream extends FilterOutputStream {
*/
public void close() throws IOException {
if (!closed) {
- finish();
- if (usesDefaultDeflater)
- def.end();
+ try {
+ finish();
+ } finally {
+ if (usesDefaultDeflater)
+ def.end();
+ }
out.close();
closed = true;
}
diff --git a/jdk/src/share/classes/java/util/zip/GZIPOutputStream.java b/jdk/src/share/classes/java/util/zip/GZIPOutputStream.java
index 2c1cd409b..1c3f8592e 100644
--- a/jdk/src/share/classes/java/util/zip/GZIPOutputStream.java
+++ b/jdk/src/share/classes/java/util/zip/GZIPOutputStream.java
@@ -154,24 +154,30 @@ class GZIPOutputStream extends DeflaterOutputStream {
*/
public void finish() throws IOException {
if (!def.finished()) {
- def.finish();
- while (!def.finished()) {
- int len = def.deflate(buf, 0, buf.length);
- if (def.finished() && len <= buf.length - TRAILER_SIZE) {
- // last deflater buffer. Fit trailer at the end
- writeTrailer(buf, len);
- len = len + TRAILER_SIZE;
- out.write(buf, 0, len);
- return;
+ try {
+ def.finish();
+ while (!def.finished()) {
+ int len = def.deflate(buf, 0, buf.length);
+ if (def.finished() && len <= buf.length - TRAILER_SIZE) {
+ // last deflater buffer. Fit trailer at the end
+ writeTrailer(buf, len);
+ len = len + TRAILER_SIZE;
+ out.write(buf, 0, len);
+ return;
+ }
+ if (len > 0)
+ out.write(buf, 0, len);
}
- if (len > 0)
- out.write(buf, 0, len);
+ // if we can't fit the trailer at the end of the last
+ // deflater buffer, we write it separately
+ byte[] trailer = new byte[TRAILER_SIZE];
+ writeTrailer(trailer, 0);
+ out.write(trailer);
+ } catch (IOException e) {
+ if (usesDefaultDeflater)
+ def.end();
+ throw e;
}
- // if we can't fit the trailer at the end of the last
- // deflater buffer, we write it separately
- byte[] trailer = new byte[TRAILER_SIZE];
- writeTrailer(trailer, 0);
- out.write(trailer);
}
}
diff --git a/jdk/src/share/classes/java/util/zip/ZipOutputStream.java b/jdk/src/share/classes/java/util/zip/ZipOutputStream.java
index 6b480aa1d..f001ddf00 100644
--- a/jdk/src/share/classes/java/util/zip/ZipOutputStream.java
+++ b/jdk/src/share/classes/java/util/zip/ZipOutputStream.java
@@ -247,59 +247,65 @@ class ZipOutputStream extends DeflaterOutputStream implements ZipConstants {
public void closeEntry() throws IOException {
ensureOpen();
if (current != null) {
- ZipEntry e = current.entry;
- switch (e.method) {
- case DEFLATED:
- def.finish();
- while (!def.finished()) {
- deflate();
- }
- if ((e.flag & 8) == 0) {
- // verify size, compressed size, and crc-32 settings
- if (e.size != def.getBytesRead()) {
- throw new ZipException(
- "invalid entry size (expected " + e.size +
- " but got " + def.getBytesRead() + " bytes)");
+ try {
+ ZipEntry e = current.entry;
+ switch (e.method) {
+ case DEFLATED:
+ def.finish();
+ while (!def.finished()) {
+ deflate();
}
- if (e.csize != def.getBytesWritten()) {
+ if ((e.flag & 8) == 0) {
+ // verify size, compressed size, and crc-32 settings
+ if (e.size != def.getBytesRead()) {
+ throw new ZipException(
+ "invalid entry size (expected " + e.size +
+ " but got " + def.getBytesRead() + " bytes)");
+ }
+ if (e.csize != def.getBytesWritten()) {
+ throw new ZipException(
+ "invalid entry compressed size (expected " +
+ e.csize + " but got " + def.getBytesWritten() + " bytes)");
+ }
+ if (e.crc != crc.getValue()) {
+ throw new ZipException(
+ "invalid entry CRC-32 (expected 0x" +
+ Long.toHexString(e.crc) + " but got 0x" +
+ Long.toHexString(crc.getValue()) + ")");
+ }
+ } else {
+ e.size = def.getBytesRead();
+ e.csize = def.getBytesWritten();
+ e.crc = crc.getValue();
+ writeEXT(e);
+ }
+ def.reset();
+ written += e.csize;
+ break;
+ case STORED:
+ // we already know that both e.size and e.csize are the same
+ if (e.size != written - locoff) {
throw new ZipException(
- "invalid entry compressed size (expected " +
- e.csize + " but got " + def.getBytesWritten() + " bytes)");
+ "invalid entry size (expected " + e.size +
+ " but got " + (written - locoff) + " bytes)");
}
if (e.crc != crc.getValue()) {
throw new ZipException(
- "invalid entry CRC-32 (expected 0x" +
- Long.toHexString(e.crc) + " but got 0x" +
- Long.toHexString(crc.getValue()) + ")");
+ "invalid entry crc-32 (expected 0x" +
+ Long.toHexString(e.crc) + " but got 0x" +
+ Long.toHexString(crc.getValue()) + ")");
}
- } else {
- e.size = def.getBytesRead();
- e.csize = def.getBytesWritten();
- e.crc = crc.getValue();
- writeEXT(e);
+ break;
+ default:
+ throw new ZipException("invalid compression method");
}
- def.reset();
- written += e.csize;
- break;
- case STORED:
- // we already know that both e.size and e.csize are the same
- if (e.size != written - locoff) {
- throw new ZipException(
- "invalid entry size (expected " + e.size +
- " but got " + (written - locoff) + " bytes)");
- }
- if (e.crc != crc.getValue()) {
- throw new ZipException(
- "invalid entry crc-32 (expected 0x" +
- Long.toHexString(e.crc) + " but got 0x" +
- Long.toHexString(crc.getValue()) + ")");
- }
- break;
- default:
- throw new ZipException("invalid compression method");
+ crc.reset();
+ current = null;
+ } catch (IOException e) {
+ if (usesDefaultDeflater && !(e instanceof ZipException))
+ def.end();
+ throw e;
}
- crc.reset();
- current = null;
}
}
diff --git a/jdk/test/java/util/zip/CloseDeflaterTest.java b/jdk/test/java/util/zip/CloseDeflaterTest.java
new file mode 100644
index 000000000..8aa4960f5
--- /dev/null
+++ b/jdk/test/java/util/zip/CloseDeflaterTest.java
@@ -0,0 +1,147 @@
+/*
+ * Copyright (c) 2021, 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
+ * @bug 8193682
+ * @summary Test Infinite loop while writing on closed GZipOutputStream , ZipOutputStream and JarOutputStream.
+ * @run testng CloseDeflaterTest
+ */
+import java.io.*;
+import java.util.Random;
+import java.util.jar.JarOutputStream;
+import java.util.zip.GZIPOutputStream;
+import java.util.zip.ZipOutputStream;
+import java.util.zip.ZipEntry;
+
+import org.testng.annotations.BeforeTest;
+import org.testng.annotations.DataProvider;
+import org.testng.annotations.Test;
+import static org.testng.Assert.fail;
+
+
+public class CloseDeflaterTest {
+
+ //number of bytes to write
+ private static final int INPUT_LENGTH= 512;
+ //OutputStream that will throw an exception during a write operation
+ private static OutputStream outStream = new OutputStream() {
+ @Override
+ public void write(byte[] b, int off, int len) throws IOException {
+ //throw exception during write
+ throw new IOException();
+ }
+ @Override
+ public void write(byte b[]) throws IOException {}
+ @Override
+ public void write(int b) throws IOException {}
+ };
+ private static byte[] inputBytes = new byte[INPUT_LENGTH];
+ private static Random rand = new Random();
+
+ @DataProvider(name = "testgzipinput")
+ public Object[][] testGZipInput() {
+ //testGZip will close the GZipOutputStream using close() method when the boolean
+ //useCloseMethod is set to true and finish() method if the value is set to false
+ return new Object[][] {
+ { GZIPOutputStream.class, true },
+ { GZIPOutputStream.class, false },
+ };
+ }
+
+ @DataProvider(name = "testzipjarinput")
+ public Object[][] testZipAndJarInput() {
+ //testZipAndJarInput will perfrom write/closeEntry operations on JarOutputStream when the boolean
+ //useJar is set to true and on ZipOutputStream if the value is set to false
+ return new Object[][] {
+ { JarOutputStream.class, true },
+ { ZipOutputStream.class, false },
+ };
+ }
+
+ @BeforeTest
+ public void before_test()
+ {
+ //add inputBytes array with random bytes to write into Zip
+ rand.nextBytes(inputBytes);
+ }
+
+ //Test for infinite loop by writing bytes to closed GZIPOutputStream
+ @Test(dataProvider = "testgzipinput")
+ public void testGZip(Class<?> type, boolean useCloseMethod) throws IOException {
+ GZIPOutputStream zip = new GZIPOutputStream(outStream);
+ try {
+ zip.write(inputBytes, 0, INPUT_LENGTH);
+ //close zip
+ if(useCloseMethod) {
+ zip.close();
+ } else {
+ zip.finish();
+ }
+ } catch (IOException e) {
+ //expected
+ }
+ for (int i = 0; i < 3; i++) {
+ try {
+ //write on a closed GZIPOutputStream
+ zip.write(inputBytes, 0, INPUT_LENGTH);
+ fail("Deflater closed exception not thrown");
+ } catch (NullPointerException e) {
+ //expected , Deflater has been closed exception
+ }
+ }
+ }
+
+ //Test for infinite loop by writing bytes to closed ZipOutputStream/JarOutputStream
+ @Test(dataProvider = "testzipjarinput")
+ public void testZipCloseEntry(Class<?> type,boolean useJar) throws IOException {
+ ZipOutputStream zip = null;
+ if(useJar) {
+ zip = new JarOutputStream(outStream);
+ } else {
+ zip = new ZipOutputStream(outStream);
+ }
+ try {
+ zip.putNextEntry(new ZipEntry(""));
+ } catch (IOException e) {
+ //expected to throw IOException since putNextEntry calls write method
+ }
+ try {
+ zip.write(inputBytes, 0, INPUT_LENGTH);
+ //close zip entry
+ zip.closeEntry();
+ } catch (IOException e) {
+ //expected
+ }
+ for (int i = 0; i < 3; i++) {
+ try {
+ //write on a closed ZipOutputStream
+ zip.write(inputBytes, 0, INPUT_LENGTH);
+ fail("Deflater closed exception not thrown");
+ } catch (NullPointerException e) {
+ //expected , Deflater has been closed exception
+ }
+ }
+ }
+
+}
--
2.22.0
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