# HG changeset patch
# User jbachorik
# Date 1428068435 -7200
# Node ID eba0866f93796b93f7591b96519d91c9d0b06bea
# Parent  bf95d7ddba60912bda62bb11ef8e65a97802f575
8074368: ThreadMXBean.getThreadInfo() corrupts memory when called with empty array for thread ids
Reviewed-by: mchung

diff -r bf95d7ddba60 -r eba0866f9379 src/share/vm/services/management.cpp
--- a/src/share/vm/services/management.cpp	Mon Oct 12 19:31:16 2015 +0200
+++ b/src/share/vm/services/management.cpp	Fri Apr 03 15:40:35 2015 +0200
@@ -1107,6 +1107,8 @@
                            bool with_locked_monitors,
                            bool with_locked_synchronizers,
                            TRAPS) {
+  // no need to actually perform thread dump if no TIDs are specified
+  if (num_threads == 0) return;
 
   // First get an array of threadObj handles.
   // A JavaThread may terminate before we get the stack trace.