Re: [PATCH 0/5] VFS: DazukoFS, stackable-fs, file access control

[John Ogness]

On 2008-12-23, Pavel Machek <pavel@xxxxxxx> wrote:
>> MOTIVATION
>> 
>> Since 2001 various anti-virus vendors have been providing
>> out-of-tree solutions for online virus scanning. Although GNU/Linux
>> systems currently are not targets of virus authors, many
>> organizations are interested in online virus scanning on
>> Linux-based servers in order to help protect Microsoft Windows
>> clients. It is often argued that file scanning should be
>> implemented in the various services (such as Samba, Apache, vsftpd,
>> etc.), and indeed many such solutions have been
>> implemented. However, there is a continued demand for a
>> kernel-based solution because it can guard the entire filesystem
>> independent from the types and numbers of services running on a
>> system.
>
> Somewhere here you should mention that unlike other solutions that
> work 100% of time, dazuko is be design racy and may still allow
> viruses to be spread from linux system when mmap is used.

This thread is about DazukoFS. I feel there is no need to discuss
previous incarnations of Dazuko, all of which share _no_ code with
DazukoFS.

If you are aware of a race condition in DazukoFS, please report
it. Thank you.

John Ogness
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