# HG changeset patch
# User jbachorik
# Date 1428068435 -7200
# Node ID dc351997b749842813c739b2d624296803e2190d
# Parent  2d8a6a2ee2794748c915e985bf7643e993c71acf
8074368: ThreadMXBean.getThreadInfo() corrupts memory when called with empty array for thread ids
Reviewed-by: mchung

diff -r 2d8a6a2ee279 -r dc351997b749 hotspot/src/share/vm/services/management.cpp
--- a/hotspot/src/share/vm/services/management.cpp	Tue Apr 07 20:18:28 2015 -0700
+++ b/hotspot/src/share/vm/services/management.cpp	Fri Apr 03 15:40:35 2015 +0200
@@ -1109,6 +1109,8 @@
                            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.