--- a/hotspot/src/os/bsd/vm/decoder_machO.cpp	Tue Apr 21 10:23:13 2015 +0200
+++ b/hotspot/src/os/bsd/vm/decoder_machO.cpp	Tue Apr 07 14:19:03 2015 +0200
@@ -97,6 +97,7 @@
   char * symname = mach_find_in_stringtable((char*) ((uintptr_t)mach_base + stroff), strsize, found_strx);
   if (symname) {
       strncpy(buf, symname, buflen);
+      buf[buflen - 1] = '\0';
       return true;
   }
   DEBUG_ONLY(tty->print_cr("no string or null string found."));