Messages in this thread | | | From | Rémi Denis-Courmont <> | Subject | Re: RFC: Network privilege separation. | Date | Mon, 12 Jan 2009 22:30:25 +0200 |
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Le lundi 12 janvier 2009 22:39:31 Andi Kleen, vous avez écrit : > > What's the point of writing a parser (that could also have bugs) when the > > Sorry you lost me. What do you mean with parser here? > > > kernel can do it? > > And what does it have to do with the kernel?
The parser at the other end of the pipe. The more intricate the over-the-pipe protocol is, the more likely it is to be buggy and the security scheme to break.
> > A normal DVD would be over 30 megabytes per seconds once decoded, just > > for the > > On many modern systems 30MB/s copies is nothing ... Also in this > case they tend to be cache hot, which makes them much cheaper.
> Yes it would be somewhat slower, but if it avoids a couple of security > updates that would be probably worth it.
If codecs did not care about performance, they'd be written in some high-level language that could easily be sandboxed by its own VM.
As the guy who's been dealing with VLC security issues for the past two years, I have to say, I am in no way interested in SECCOMP as it _currently_ is.
-- Rémi Denis-Courmont http://www.remlab.net/ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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