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Date:      Wed, 31 Jul 1996 18:37:27 +1000
From:      Bruce Evans <bde@zeta.org.au>
To:        rnordier@iafrica.com, terry@lambert.org
Cc:        current@FreeBSD.ORG, hackers@FreeBSD.ORG
Subject:   Re: anyone working on upgrading the msdosfs to NetBSD levels?
Message-ID:  <199607310837.SAA12179@godzilla.zeta.org.au>
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>All new FS's should expect to work on a "device" that is totally
>committed to the FS and looks like it starts at offset 0, and return
>EINVAL or EFAULT for out of range operations on the device.  If
>this were there now, then the MSDOSFS would be incapable of
>corrupting non-MSDOSFS disk areas with the current code.

It's always been there.  Broken code can only write outside the range
by corrupting the device number.

Bruce
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