On Fri, 22 Sep 2017 06:07:18 +0200 Michał Górny <mgo...@gentoo.org> wrote:
> W dniu czw, 21.09.2017 o godzinie 15∶41 -0700, użytkownik Matt Turner > napisał: > > On Thu, Sep 21, 2017 at 2:25 PM, Michał Górny <mgo...@gentoo.org> > > wrote: > > > Given that sandbox is utterly broken by design, I don't really > > > want to put too much effort in trying to make it a little better. > > > I'd rather put the minimal effort required to make it > > > not-much-worse. > > > > You said in your initial email that you weren't an expert in its > > internals, but here you say it's broken by design. Why do you think > > that? > > > > Because it uses LD_PRELOAD which is a huge hack and which causes > guaranteed issues we can't really fix. All we can do is disable it for > emacs, for compiler-rt and I'm afraid this list will grow because > overriding random library functions is never a good idea. > I think we're all ears for a better solution. There are probably much better ways to do sandboxing these days than 15 years ago. LD_PRELOAD does not work with static binaries. Hence the non portable ptrace stuff. Hence bugs. Etc. The point is, that's the best we have now. Alexis.