FIELD: computer science.
SUBSTANCE: after procedure call, control saving of return address in address space of calling program is performed, and prior to return from procedure, control check of return address is performed, and if values match, than transfer of control to calling software is permitted, in other cases, program, to which procedure belongs, is forcibly removed from memory of computer system.
EFFECT: possible effective detection and prevention of unsanctioned access attempt with use of distortion of memory address due to reservation of true return address.
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