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Re: [Qemu-devel] 9p mapped-* security model infos are architecture-speci


From: Aneesh Kumar K.V
Subject: Re: [Qemu-devel] 9p mapped-* security model infos are architecture-specific
Date: Wed, 30 Jul 2014 21:55:08 +0530
User-agent: Notmuch/0.18.1+51~gbbbdf04 (http://notmuchmail.org) Emacs/24.3.91.1 (x86_64-unknown-linux-gnu)

Michael Tokarev <address@hidden> writes:

> Apparently the the mapped-* security models results in a raw bytes
> being dumped to host without any architecture normalization (in
> host byte order).  This may even lead to security issues in guest
> when the same files are served from another host for example.
>
> This bug has been initially submitted against debian qemu package, see
> http://bugs.debian.org/755740
>

Thanks for reporting the bug. Yes we do have issue with
mapped-xattr. But mapped-file should be ok. We record the uid/gid as
string in the file.

-aneesh




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