Patent ReferencesMethod of relocating the stack in a computer system for preventing overrate by an exploit program Patent #: 5949973 InventorsApplicationNo. 09772373 filed on 01/30/2001ExaminersPrimary: Morse, GregoryAssistant: Nalven, Andrew Attorney, Agent or FirmInternational ClassG06F012/16AbstractA memory device is provided that is used by a computer system and that has a memory pattern obtained after a function is called when the computer system executes a program, the memory pattern comprising: a return address storage area for storing a return address 230 for the source of a call for the execution of a currently active function; a previous frame pointer storage area for storing a previous frame pointer 220 to the calling source for the execution of a currently active function; and a local variable storage area to be located below the return address storage area 230 and the previous frame pointer storage area 22, wherein when a data array 211 is stored in the local variable area, a guard variable 212 is stored in a location preceding the data array 211, and wherein the guard variable is used as a target to confirm whether the return address has been destroyed.Other References
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