(1) Extend memory access monitoring boundary to the full page boundary

(2) Fixed off-by-one when checking boundaries

watchsyscall/wa_callbacks.c

@@ -195,10 +195,16 @@ void zipr_post_allocate_watcher(int ret, reg_values_t rv)
 //	print_int(*(int*)rv.edx);
 //	print_str("\n");
 #endif
+
 	int start=*(int*)(rv.edx);
-	int end=start+rv.ebx;
+
+	// need to round up to nearest 4K!
+	//   orig code: int end = start + rv.ebx;  
+	int end = start + ((rv.ebx / PAGESIZE) * PAGESIZE);
+	if (rv.ebx % PAGESIZE > 0)
+		end += PAGESIZE; 
+	end--;
 	add_to_list(start,end);
-	
 }