linux-kernel - Re: System reboot triggered by just reading a device file....!?

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Date:	Wed, 21 Nov 2007 12:29:40 -0000
From:	"Simon Arlott" <simon@...e.lp0.eu>
To:	devzero@....de
Cc:	"Robert Hancock" <hancockr@...w.ca>, linux-kernel@...r.kernel.org
Subject: Re: System reboot triggered by just reading a device file....!?

On Wed, November 21, 2007 00:01, devzero@....de wrote:
>>There is.. it's called "root privileges".
> yes, true.
>
> but - regardless of being a windows app or not - what if you want to take a look on your system as a whole,
> especially when using some tool which graphically shows how and where your diskspace is being used?  if i
> let this run from ordinary useraccount it would get lot`s of "permission denied"  and then it`s only telling
> half of the truth.....

Such a tool shouldn't need to open any files, whether they're device files or not. Do you expect it to open
/dev/zero etc. too and read from an infinitely sized "file"?

>> > i`d wish there would be some fence around this or iTCO_wdt /dev/watchdog not being active after a
>> default desktop installation.

Delete it?

-- 
Simon Arlott
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