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Re: mmap(), security and /dev/zero
From: Curt Sampson (cjs
cynic.net)
Date: Wed Jun 23 2004 - 19:51:46 CDT
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On Wed, 23 Jun 2004, Thor Lancelot Simon wrote:
> From your point of view. From my point of view, requiring execute
> permission on any file backing an executable mapping would give an
> enormous security benefit; it would, for example, allow one to ensure
> that code could never be executed from any writable file system.
Doesn't the noexec flag allow you to do this already?
cjs
--
Curt Sampson <cjscynic.net> +81 90 7737 2974 http://www.NetBSD.org
Don't you know, in this new Dark Age, we're all light. --XTC
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