diff --git a/src/share/classes/com/sun/management/HotSpotDiagnosticMXBean.java b/src/share/classes/com/sun/management/HotSpotDiagnosticMXBean.java
index 9bcdd8547f64003fb0154d78d63e4780d941f57d..488edcdeae53eaed8087ab4885e083f3815ba9a6 100644
--- a/src/share/classes/com/sun/management/HotSpotDiagnosticMXBean.java
+++ b/src/share/classes/com/sun/management/HotSpotDiagnosticMXBean.java
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2017, 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
@@ -63,9 +63,10 @@ public interface HotSpotDiagnosticMXBean extends PlatformManagedObject {
* @param outputFile the system-dependent filename
* @param live if true dump only live objects
* i.e. objects that are reachable from others
- * @throws IOException if the outputFile
+ * @throws IOException if the outputFile already exists,
* cannot be created, opened, or written to.
* @throws UnsupportedOperationException if this operation is not supported.
+ * @throws IllegalArgumentException if outputFile does not end with ".hprof" suffix.
* @throws NullPointerException if outputFile is null.
* @throws SecurityException
* If a security manager exists and its {@link
diff --git a/src/share/classes/sun/management/HotSpotDiagnostic.java b/src/share/classes/sun/management/HotSpotDiagnostic.java
index d2e7b397208789197260a6f9d168e915a273f4d9..dffaafe5524afb1f28c280d905a6aba80aa59c4d 100644
--- a/src/share/classes/sun/management/HotSpotDiagnostic.java
+++ b/src/share/classes/sun/management/HotSpotDiagnostic.java
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2017, 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
@@ -32,6 +32,8 @@ import javax.management.ObjectName;
import com.sun.management.HotSpotDiagnosticMXBean;
import com.sun.management.VMOption;
+import java.security.AccessController;
+import java.security.PrivilegedAction;
/**
* Implementation of the diagnostic MBean for Hotspot VM.
@@ -41,6 +43,14 @@ public class HotSpotDiagnostic implements HotSpotDiagnosticMXBean {
}
public void dumpHeap(String outputFile, boolean live) throws IOException {
+
+ String propertyName = "jdk.management.heapdump.allowAnyFileSuffix";
+ PrivilegedAction pa = () -> Boolean.parseBoolean(System.getProperty(propertyName, "false"));
+ boolean allowAnyFileSuffix = AccessController.doPrivileged(pa);
+ if (!allowAnyFileSuffix && !outputFile.endsWith(".hprof")) {
+ throw new IllegalArgumentException("heapdump file must have .hprof extention");
+ }
+
SecurityManager security = System.getSecurityManager();
if (security != null) {
security.checkWrite(outputFile);