Processes in OS have their own virtual address spaces. Say, I allocate some dynamic memory using malloc() function call in a c program and subtract some positive value(say 1000) from the address returned by it. Now, I try to read what is written on that location which should be fine but what about writing to that location? Processes in OS have their own virtual address
阅读背景：
进程能否从它的虚拟内存中读取/写入任何地址?
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