Overwrite detection diagnostic for memory heap

A data structure within a block of allocable memory of a memory structure such as a heap is used to store an overwrite detection pattern. When memory is passed back to the operation system for any reason (typically freeing the memory, reallocating a larger/smaller buffer, or querying the size of the...

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Bibliographic Details
Main Authors SWAFFORD MICHAEL, CHASE KEVIN C
Format Patent
LanguageEnglish
Published 30.06.2005
Edition7
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Summary:A data structure within a block of allocable memory of a memory structure such as a heap is used to store an overwrite detection pattern. When memory is passed back to the operation system for any reason (typically freeing the memory, reallocating a larger/smaller buffer, or querying the size of the allocation), the overwrite detection pattern is usually checked. If the overwrite pattern has been modified, an access violation can be forced.
Bibliography:Application Number: US20030750455