Subject: Re: PR 36963
To: Steven M. Bellovin <>
From: Jan Danielsson <>
List: tech-kern
Date: 09/20/2007 14:02:56
Hash: SHA512

Steven M. Bellovin wrote:
>>> Grasping at more straws -- is the USB key formatted as FAT or FFS?
>>    ffs. I was worried about FAT potentially causing permission
>> problem, ironically. :)
> Hmm.  I was hoping you'd say FAT, because then I could say "I wonder if
> that's causing a permission problem"....
> Now I'm wondering if there's some problem with either (a) a cgd device
> and permissions, or (b) mounting something over /.

   Hmm... I would think that a cgd device wouldn't even be aware of
permissions -- it just passes raw blocks to the file system driver. But
(b) sounds more plausible to me.

   I could pretty easily put together a boot image which does what I've
done (sans the encryption), if anyone is willing to take a look.
"Hopefully", it'll have the same problem.

   So, anyone want a USB memory key image? Or perhaps a CD image? Let me
know, and I'll start working on it.

- --
Kind regards,
Jan Danielsson

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