linux-kernel - Re: why UDF have so ugly filesize limit?

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Message-ID: <4627A3C3.8050108@redhat.com>
Date:	Thu, 19 Apr 2007 13:15:47 -0400
From:	Chuck Ebbert <cebbert@...hat.com>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
CC:	Marat Buharov <marat.buharov@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: why UDF have so ugly filesize limit?

Alan Cox wrote:
> On Thu, 19 Apr 2007 12:56:27 -0400
> Chuck Ebbert <cebbert@...hat.com> wrote:
> 
>> Marat Buharov wrote:
>>> from fs/udf/super.c:
>>> in function udf_fill_super
>>> sb->s_maxbytes = 1<<30; (1 GB)
>>>
>>> Why sb->s_maxbytes is not equal to MAX_LFS_FILESIZE?
>>>
>> Patches to fix that are in the -mm kernel already (and in
>> Fedora Core 6 latest update.)
> 
> Good to know, presumably these also fix the underlying UDF problems in the
> UDF filesystem code that caused it to be put there in the first pace ?
> 
> (Security CVE-2006-4145)

Yeah, the patches are by Jan Kara who put the original limitation
in there as a temporary band-aid.
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