8211826: StringIndexOutOfBoundsException happens via GetStringUTFRegion()

Reviewed-by: serb
This commit is contained in:
Ichiroh Takiguchi 2019-05-08 22:59:20 -07:00
parent 1d922fee0e
commit 0ea35e9bb9
3 changed files with 58 additions and 6 deletions

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@ -1,5 +1,5 @@
/*
* Copyright (c) 2004, 2018, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2004, 2019, 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
@ -113,6 +113,7 @@ Java_sun_awt_UNIXToolkit_load_1gtk_1icon(JNIEnv *env, jobject this,
{
#ifndef HEADLESS
int len;
jsize jlen;
char *filename_str = NULL;
GError **error = NULL;
@ -122,6 +123,7 @@ Java_sun_awt_UNIXToolkit_load_1gtk_1icon(JNIEnv *env, jobject this,
}
len = (*env)->GetStringUTFLength(env, filename);
jlen = (*env)->GetStringLength(env, filename);
filename_str = (char *)SAFE_SIZE_ARRAY_ALLOC(malloc,
sizeof(char), len + 1);
if (filename_str == NULL) {
@ -132,7 +134,7 @@ Java_sun_awt_UNIXToolkit_load_1gtk_1icon(JNIEnv *env, jobject this,
free(filename_str);
return JNI_FALSE;
}
(*env)->GetStringUTFRegion(env, filename, 0, len, filename_str);
(*env)->GetStringUTFRegion(env, filename, 0, jlen, filename_str);
jboolean result = gtk->get_file_icon_data(env, filename_str, error,
icon_upcall_method, this);
@ -159,6 +161,7 @@ Java_sun_awt_UNIXToolkit_load_1stock_1icon(JNIEnv *env, jobject this,
{
#ifndef HEADLESS
int len;
jsize jlen;
char *stock_id_str = NULL;
char *detail_str = NULL;
jboolean result = JNI_FALSE;
@ -169,18 +172,20 @@ Java_sun_awt_UNIXToolkit_load_1stock_1icon(JNIEnv *env, jobject this,
}
len = (*env)->GetStringUTFLength(env, stock_id);
jlen = (*env)->GetStringLength(env, stock_id);
stock_id_str = (char *)SAFE_SIZE_ARRAY_ALLOC(malloc,
sizeof(char), len + 1);
if (stock_id_str == NULL) {
JNU_ThrowOutOfMemoryError(env, "OutOfMemoryError");
return JNI_FALSE;
}
(*env)->GetStringUTFRegion(env, stock_id, 0, len, stock_id_str);
(*env)->GetStringUTFRegion(env, stock_id, 0, jlen, stock_id_str);
/* Detail isn't required so check for NULL. */
if (detail != NULL)
{
len = (*env)->GetStringUTFLength(env, detail);
jlen = (*env)->GetStringLength(env, detail);
detail_str = (char *)SAFE_SIZE_ARRAY_ALLOC(malloc,
sizeof(char), len + 1);
if (detail_str == NULL) {
@ -188,7 +193,7 @@ Java_sun_awt_UNIXToolkit_load_1stock_1icon(JNIEnv *env, jobject this,
JNU_ThrowOutOfMemoryError(env, "OutOfMemoryError");
return JNI_FALSE;
}
(*env)->GetStringUTFRegion(env, detail, 0, len, detail_str);
(*env)->GetStringUTFRegion(env, detail, 0, jlen, detail_str);
}
if (init_method(env, this)) {

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@ -1,5 +1,5 @@
/*
* Copyright (c) 2005, 2016, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2005, 2019, 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
@ -24,11 +24,12 @@
*/
#include <stdlib.h>
#include <string.h>
#include "gtk_interface.h"
#include "com_sun_java_swing_plaf_gtk_GTKEngine.h"
/* Static buffer for conversion from java.lang.String to UTF-8 */
static char conversionBuffer[CONV_BUFFER_SIZE];
static char conversionBuffer[(CONV_BUFFER_SIZE - 1) * 3 + 1];
const char *getStrFor(JNIEnv *env, jstring val)
{
@ -38,6 +39,7 @@ const char *getStrFor(JNIEnv *env, jstring val)
length = CONV_BUFFER_SIZE-1;
}
memset(conversionBuffer, 0, sizeof(conversionBuffer));
(*env)->GetStringUTFRegion(env, val, 0, length, conversionBuffer);
return conversionBuffer;
}

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@ -0,0 +1,45 @@
/*
* Copyright (c) 2019, 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
* @key headful
* @bug 8211826
* @summary StringIndexOutOfBoundsException happens via GetStringUTFRegion()
* @modules java.desktop/sun.awt
* @requires (os.family == "linux")
* @run main GtkIconTest
*/
import java.awt.Toolkit;
import sun.awt.UNIXToolkit;
public class GtkIconTest {
public static void main(String[] args) throws Exception {
UNIXToolkit utk = (UNIXToolkit)Toolkit.getDefaultToolkit();
if (utk.loadGTK()) {
for (String s : new String[]{ "abc", "\u3042" }) {
Object obj = utk.getGTKIcon(s);
}
}
}
}