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Security-related innovation in Unix
Jason Miller, 2005-09-28

Recently, a good friend of mine forwarded me an article from kerneltrap.org, which talked about a new heap implementation that's being introduced into an upcoming release of the OpenBSD operating system. This article was of specific interest to me, as I have been experimenting with the creation of a more secure heap implementation myself.

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Re: Security-related innovation in Unix 2005-10-03
Anonymous
These are opinion columns, so I can't really get into the dirty technical details in the article. A guard page is basically an invalid (or valid but protected) page of memory on either side of an allocated chunk.

For example, let's say you allocated a big chunk of memory, and the heap returned a ...

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