linux-kernel - Re: [patch 1/2] [RFC] Simple tamper-proof device filesystem.

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]

Message-ID: <476512F1.5010701@davidnewall.com>
Date:	Sun, 16 Dec 2007 22:28:41 +1030
From:	David Newall <david@...idnewall.com>
To:	Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>
CC:	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [patch 1/2] [RFC] Simple tamper-proof device filesystem.

Tetsuo Handa wrote:
>>> I meant that "/dev must be mounted for read-write mode"
>>>       
>> Again, why?
>>     
>
> You won't be able to login to the system because /sbin/mingetty
> fails to "chown/chmod" /dev/tty* if /dev is mounted for read-only mode.
>   

Good point.  So, if only root can modify files in /dev, what's the 
problem you're fixing?  (I'm sure you tried to explain this in your 
original post, but your reasons weren't clear to me.)
--
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/