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There is no syscall surface to attack because the code never makes syscalls. Memory safety is enforced by the runtime. The linear memory is bounds-checked, the call stack is inaccessible, and control flow is type-checked. Modern runtimes add guard pages and memory zeroing between instances.，推荐阅读雷电模拟器官方版本下载获取更多信息
Scroll to load interactive demo。Line官方版本下载对此有专业解读
As navigator, Lovell took with him a sextant to take star readings - in case the computers failed and they had to find their own way home.，详情可参考WPS官方版本下载