Messages in this thread |  | | Date | Wed, 3 Jan 2001 18:02:17 -0500 (EST) | From | Alexander Viro <> | Subject | Re: [RFC] prevention of syscalls from writable segments, breaking bug exploits |
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On Thu, 4 Jan 2001, Dan Aloni wrote:
> Did you notice that question was ambiguous? I understood that sentence in > its other meaning, i.e, someone insulting Alex ;-)
<choke><sputter> Well, _that_ definitely takes more than posting a patch ;-)
> Anyway, while it is agreed that you can't completely eliminate exploits, > it is recommended that, it should be at least harder to create them, maybe > it can even minimize the will to write them.
<shrug> large overhead to every syscall and protection that can be defeated in a couple of instructions. Doesn't look like a good tradeoff.
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