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8007475: Memory stomp with UseMallocOnly

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Fix off-by-one error

Reviewed-by: coleenp, hseigel
This commit is contained in:
Volker Simonis 2013-02-04 13:14:12 -05:00
parent 6c6a537471
commit 37d83019d0
2 changed files with 42 additions and 1 deletions
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2
hotspot/src/share/vm/classfile/stackMapFrame.hpp
View File

@ -178,7 +178,7 @@ class StackMapFrame : public ResourceObj {
#ifdef DEBUG
// Put bogus type to indicate it's no longer valid.
if (_stack_mark != -1) {
for (int i = _stack_mark; i >= _stack_size; --i) {
for (int i = _stack_mark - 1; i >= _stack_size; --i) {
_stack[i] = VerificationType::bogus_type();
}
}

41
hotspot/test/runtime/8007475/StackMapFrameTest.java Normal file
View File

@ -0,0 +1,41 @@
/*
* Copyright (c) 2013, 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 8007475
* @summary Test memory stomp in stack map test
* @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+UseMallocOnly StackMapFrameTest
*/
public class StackMapFrameTest {
public static void foo() {
Object o = new Object();
}
public static void main(String args[]) {
for (int i = 0; i < 25000; i++) {
foo();
}
}
}