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.
2026-03-26 17:11:57 -04:00 · 2026-03-26 17:11:57 -04:00 · 0a580b313d
commit 0a580b313d
70422 changed files with 17213626 additions and 0 deletions
--- a/test/hotspot/jtreg/compiler/codecache/CheckCodeCacheInfo.java
+++ b/test/hotspot/jtreg/compiler/codecache/CheckCodeCacheInfo.java
@ -0,0 +1,81 @@
+/*
+ * Copyright Amazon.com Inc. 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 CheckCodeCacheInfo
+ * @bug 8005885
+ * @summary Checks VM verbose information related to the code cache
+ * @library /test/lib
+ * @requires vm.debug
+ *
+ * @run driver compiler.codecache.CheckCodeCacheInfo
+ */
+
+package compiler.codecache;
+
+import jdk.test.lib.process.OutputAnalyzer;
+import jdk.test.lib.process.ProcessTools;
+
+public class CheckCodeCacheInfo {
+    private static final String VERBOSE_REGEXP;
+
+    static {
+        String entry = "\\d+K( \\(hdr \\d+K \\d+%, loc \\d+K \\d+%, code \\d+K \\d+%, stub \\d+K \\d+%, \\[oops \\d+K \\d+%, metadata \\d+K \\d+%, data \\d+K \\d+%, pcs \\d+K \\d+%\\]\\))?\\n";
+        String pair = " #\\d+ live = " + entry;
+
+        VERBOSE_REGEXP = "nmethod blobs per compilation level:\\n"
+                       + "none:\\n"
+                       + pair
+                       + "simple:\\n"
+                       + pair
+                       + "limited profile:\\n"
+                       + pair
+                       + "full profile:\\n"
+                       + pair
+                       + "full optimization:\\n"
+                       + pair
+                       + "Non-nmethod blobs:\\n"
+                       + " #\\d+ runtime = " + entry
+                       + " #\\d+ upcall = " + entry
+                       + " #\\d+ uncommon trap = " + entry
+                       + " #\\d+ deoptimization = " + entry
+                       + " #\\d+ exception = " + entry
+                       + " #\\d+ safepoint = " + entry
+                       + " #\\d+ adapter = " + entry
+                       + " #\\d+ mh_adapter = " + entry
+                       + " #\\d+ vtable = " + entry
+                       + " #\\d+ buffer blob = " + entry
+                       + " #\\d+ other = " + entry;
+    }
+
+    public static void main(String[] args) throws Exception {
+        ProcessBuilder pb;
+
+        pb = ProcessTools.createTestJavaProcessBuilder("-XX:+PrintCodeCache",
+                                                       "-XX:+Verbose",
+                                                       "-version");
+        OutputAnalyzer out = new OutputAnalyzer(pb.start());
+        out.shouldHaveExitValue(0);
+        out.stdoutShouldMatch(VERBOSE_REGEXP);
+    }
+}