应用程序中的每个线程都需要内存来保存它的栈(用于在调用函数时保存本地变量和维持状态的内存区)。

Every thread in an application requires memory to hold its stack (the area of memory used to hold local variables and maintain state when calling functions).

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内存空间缺口——通过栈溢出、缓冲区溢出或堆错误来实现，以宿主进程的权限执行攻击者提供的任何代码。

Memory space breach — Accomplished via stack overflow, buffer overrun, or heap error, enables execution of arbitrary code supplied by the attacker with the permissions of the host process.

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通道参数实际上更像是全局区，只不过在模板调用栈中可以改变它的值。

Tunnel parameters are actually more like a global pool, except you can change a value as you go further in your stack of template invocations.

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