linux-kernel - Re: RFC: banning device driver reserved resources from /dev/mem

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20081006162914.4f140938@lxorguk.ukuu.org.uk>
Date:	Mon, 6 Oct 2008 16:29:14 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Arjan van de Ven <arjan@...radead.org>
Cc:	Maxim Levitsky <maximlevitsky@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: RFC: banning device driver reserved resources from /dev/mem

On Mon, 6 Oct 2008 07:57:38 -0700
Arjan van de Ven <arjan@...radead.org> wrote:

> > 
> > For debug tools that would be almost all drivers, and for distribution
> > use that needs to be a runtime selection.
> 
> is boottime (read: kernel parameter) ok ?
> it would totally make sense to have a kernel boot parameter that
> disables all /dev/mem sanity checks.

A boot parameter probably catches most cases yes.

> that's a hard case but probably not the most interesting case; drivers
> get loaded early thankfully.
> (yes revoke is hard ;( )

Yeah .. I was hoping you'd write it ;)
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/