diff -r 7384f6a12fc1 -r 78bbf4d43a14 src/share/vm/utilities/events.cpp
--- a/src/share/vm/utilities/events.cpp	Thu May 15 18:23:26 2014 -0400
+++ b/src/share/vm/utilities/events.cpp	Thu May 22 15:52:41 2014 -0400
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 2014, 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
@@ -82,7 +82,7 @@
     va_start(ap, format);
     // Save a copy of begin message and log it.
     _buffer.printv(format, ap);
-    Events::log(NULL, _buffer);
+    Events::log(NULL, "%s", _buffer.buffer());
     va_end(ap);
   }
 }
@@ -91,6 +91,6 @@
   if (LogEvents) {
     // Append " done" to the begin message and log it
     _buffer.append(" done");
-    Events::log(NULL, _buffer);
+    Events::log(NULL, "%s", _buffer.buffer());
   }
 }