linux-kernel - Re: [PATCH] chroot= as a new kernel parameter

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Date:	Wed, 5 Mar 2008 14:23:44 +0100
From:	"Guillaume Chazarain" <guichaz@...il.com>
To:	"Pawel Plociennik" <paplociennik@...il.com>
Cc:	"Pavel Machek" <pavel@....cz>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] chroot= as a new kernel parameter

On Wed, Mar 5, 2008 at 2:38 PM, Pawel Plociennik <paplociennik@...il.com> wrote:
>  At last my patch is as simple as possible and it has *only* a *few lines of the code* and it can be used
>  as *independent* method to various *hundred* distroes.

Your method requires a certain kernel, mine does not ;-)

>   static void run_init_process(char *init_filename)
>   {
>  +       if (chroot_str)
>  +               if (sys_chroot(chroot_str) < 0)
>  +                       printk(KERN_WARNING "chroot=%s failed\n", chroot_str);
>  +

As I said before, this chroot= option can be used for security reason
instead of testing purpose, and in this case, continuing booting after
a failed chroot sounds like a security issue.

-- 
Guillaume
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