1. In fact, there are other approaches as well, including randomizing the locations of executables; Crispen''s " PointGuard " extends the canary idea to the heap, and so on.
    事实上还有其他方法，包括随机化可执行程序的位置；Crispen的“PointGuard”将这种探测仪思想引申到了堆中，等等。