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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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107
test/langtools/tools/javap/stackmap/StackmapTest.java Normal file
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/*
* Copyright (c) 2013, 2016, 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 6271292
* @summary Verify that javap prints StackMapTable attribute contents
* @library /tools/lib
* @modules jdk.compiler/com.sun.tools.javac.api
* jdk.compiler/com.sun.tools.javac.main
* jdk.jdeps/com.sun.tools.javap
* @build toolbox.ToolBox toolbox.JavacTask toolbox.JavapTask
* @run main StackmapTest
*/
import java.util.ArrayList;
import java.util.List;
import toolbox.JavacTask;
import toolbox.JavapTask;
import toolbox.Task;
import toolbox.ToolBox;
// Original test: test/tools/javap/stackmap/T6271292.sh
public class StackmapTest {
private static final String TestSrc =
"public class Test extends SuperClass {\n" +
" public static void main(String[] args) {\n" +
" new SuperClass((args[0].equals(\"0\")) ? 0 : 1)\n" +
" .test();\n" +
" }\n" +
" Test(boolean b) {\n" +
" super(b ? 1 : 2);\n" +
" }\n" +
"}\n" +
"class SuperClass {\n" +
" double d;\n" +
" SuperClass(double dd) { d = dd; }\n" +
" double test() {\n" +
" if (d == 0)\n" +
" return d;\n" +
" else\n" +
" return d > 0 ? d++ : d--;\n" +
" }\n" +
"}\n";
private static final String goldenOut =
" frame_type = 255 /* full_frame */\n" +
" frame_type = 255 /* full_frame */\n" +
" frame_type = 73 /* same_locals_1_stack_item */\n" +
" frame_type = 255 /* full_frame */\n" +
" offset_delta = 19\n" +
" offset_delta = 0\n" +
" offset_delta = 2\n" +
" stack = [ uninitialized 0, uninitialized 0 ]\n" +
" stack = [ uninitialized 0, uninitialized 0, double ]\n" +
" stack = [ this ]\n" +
" stack = [ this, double ]\n" +
" locals = [ class \"[Ljava/lang/String;\" ]\n" +
" locals = [ class \"[Ljava/lang/String;\" ]\n" +
" locals = [ this, int ]\n";
public static void main(String[] args) throws Exception {
ToolBox tb = new ToolBox();
new JavacTask(tb)
.sources(TestSrc)
.run();
List<String> out = new JavapTask(tb)
.options("-v")
.classes("Test.class")
.run()
.getOutputLines(Task.OutputKind.DIRECT);
List<String> grepResult = new ArrayList<>();
grepResult.addAll(tb.grep("frame_type", out));
grepResult.addAll(tb.grep("offset_delta", out));
grepResult.addAll(tb.grep("stack = ", out));
grepResult.addAll(tb.grep("locals = ", out));
List<String> goldenList = tb.split(goldenOut, "\n");
tb.checkEqual(goldenList, grepResult);
}
}