Re: secure computing for 2.6.7

[Alan Cox]

On Sul, 2004-08-01 at 18:29, chris@xxxxxxxxxxxxxxxx wrote:
> How hard would it be to have a per-task bitmap of syscalls allowed? This
> way, a task could restrict to the exact subset of syscalls required for
> maximum security.

Very easy indeed, although you might have to do a tiny bit of tweaking
for kernel made syscalls (eg hotplug triggers).

You can already do all of this using several user space applications
that manage it via ptrace. They do have a performance hit however.

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