Re: [Xen-devel] Guest to Host communication

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Thu, 2013-10-31 at 19:42 +0100, Jose A. Lopes wrote:

> When you say "look inside" the filesystem do you mean to mount that
> filesystem
> in the host OS? If so, it seems that it is very dangerous to mount
> guest filesystems
> due to a number of exploits.

If you only need r/o access from the host then you could use
tools/libfsimage (which has python binding, used by pygrub) which at
least constrains things to a userspace process and not a kernel mode
exploit. With suitable privilege dropping this can be made reasonably
safe...

Ian.



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