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] [thread-next>] [day] [month] [year] [list]
Date:	Wed, 19 Dec 2012 17:22:30 +0100
From:	Oleg Nesterov <oleg@...hat.com>
To:	Neil Horman <nhorman@...driver.com>
Cc:	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Pavel Emelyanov <xemul@...allels.com>,
	Daniel Berrange <berrange@...hat.com>,
	Alexander Viro <viro@...iv.linux.org.uk>,
	Serge Hallyn <serge.hallyn@...onical.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: +
	core_pattern-set-core-helpers-root-and-namespace-to-crashing-process
	.patch added to -mm tree

On 12/18, Neil Horman wrote:
>
> On Tue, Dec 18, 2012 at 09:06:04PM +0100, Oleg Nesterov wrote:
> > > Perhaps its best just to restrict this patch to adjusting the root fs location
> > > for the chroot case.
> >
> > Probably... at least for the start.
> >
> > BTW. Of course this is subjective, but personally I think that "||"
> > looks strange. Perhaps it would be better to add something like
> > --croot argument?
> >
> The || is ambiguous with its simmilarity to a shell 'or' command,

Ah, I didn't mean this.

I meant, this is not flexible. We can implement --croot, then we can
(may be) add --switch_ns. If you use "||" now for chroot, what will you
do for switch_ns?

> but I don't
> think the --croot argument is much better on that front, as that then becomes
> ambiguous with arguments supplied to the pipe reader directly.

Not sure I understand... why?

> The token should
> be leading the pipe_reader string in core_pattern to indicate a change in
> environment independent of the executable path.

Do you mean that || at the front is more "visible" ? True, but I am
not sure this is that important.

But I won't insist.

Oleg.

--
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/

Powered by blists - more mailing lists