Re: [Ksummit-2013-discuss] [ARM ATTEND] catching up on exploitmitigations

From: Dave Jones
Date: Tue Jul 30 2013 - 19:16:23 EST

On Wed, Jul 31, 2013 at 02:11:20AM +0300, Aaro Koskinen wrote:
> Hi,
> On Tue, Jul 30, 2013 at 06:14:35PM -0400, Dave Jones wrote:
> > On Tue, Jul 30, 2013 at 12:05:40PM -0700, Kees Cook wrote:
> > > - fuzzing (is anyone running trinity or similar on the ARM tree?)
> >
> > Someone was kind enough to send me an arm chromebook, so I tried this just
> > last week (albeit, on the 3.4 kernel it shipped with). The results make
> > me think the answer is a resounding 'no'.
> Shouldn't you run trinity only under QEMU or similar virtual
> environment? Don't know about chromebook, but on some of my ARM boards
> a misbehaving kernel could at least in theory brick the board...

I like to live dangerously. Don't imitate everything you see on TV,
or read about on lkml.

More seriously, that's true if you're running trinity as root, which
yes, I usually advise people only do in qemu etc.

If you're running it as a regular user and you can brick the board,
you might have bigger problems.


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