--- a/src/hotspot/share/gc/g1/g1SATBCardTableModRefBS.cpp	Thu Nov 23 15:51:06 2017 +0100
+++ b/src/hotspot/share/gc/g1/g1SATBCardTableModRefBS.cpp	Thu Nov 23 15:51:06 2017 +0100
@@ -175,6 +175,9 @@
 
 void
 G1SATBCardTableLoggingModRefBS::invalidate(MemRegion mr) {
+  if (mr.is_empty()) {
+    return;
+  }
   volatile jbyte* byte = byte_for(mr.start());
   jbyte* last_byte = byte_for(mr.last());
   Thread* thr = Thread::current();