Protecting memory operations involving zero byte allocations

Details Protecting memory operations involving zero byte allocations Protecting memory operations involving zero byte allocations

2007-03-29

2010-10-12

Elmore, Stephen C (Department: 2185)

Electrical computers and digital processing systems: memory

Storage accessing and control

Control technique

C711S100000, C711S111000, C711S170000, C714S100000, C714S025000, C714S037000, C714S039000, C714S048000, C714S053000

Reexamination Certificate

active

07814288

ABSTRACT:
Applications are protected from being exposed to exploits and instabilities due to memory operations involving zero byte allocations. Memory operations involving a zero byte allocation are handled by a zero byte memory manager. When an application requests a zero byte allocation, a pointer to a protected part of memory is returned such that when the application attempts to read and/or write to the location the program flow is interrupted.

REFERENCES:
patent: 6363467 (2002-03-01), Weeks
patent: 2007/0136547 (2007-06-01), Swafford
patent: 2008/0162849 (2008-07-01), Savagaonkar et al.

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