--- old/src/share/vm/asm/assembler.cpp	2014-03-06 11:59:53.557128601 +0100
+++ new/src/share/vm/asm/assembler.cpp	2014-03-06 11:59:53.198251619 +0100
@@ -134,7 +134,7 @@
     // is greater than a page.
 
     const int page_size = os::vm_page_size();
-    int bang_end = StackShadowPages*page_size;
+    int bang_end = (StackShadowPages+1)*page_size;
 
     // This is how far the previous frame's stack banging extended.
     const int bang_end_safe = bang_end;