Re: [PATCH 047/104] virtiofsd: sandbox mount namespace

[Daniel P . Berrangé]

On Thu, Dec 12, 2019 at 04:38:07PM +0000, Dr. David Alan Gilbert (git) wrote:
> From: Stefan Hajnoczi <address@hidden>
> 
> Use a mount namespace with the shared directory tree mounted at "/" and
> no other mounts.
> 
> This prevents symlink escape attacks because symlink targets are
> resolved only against the shared directory and cannot go outside it.
> 
> Signed-off-by: Stefan Hajnoczi <address@hidden>
> Signed-off-by: Peng Tao <address@hidden>
> ---
>  tools/virtiofsd/passthrough_ll.c | 89 ++++++++++++++++++++++++++++++++
>  1 file changed, 89 insertions(+)

Reviewed-by: Daniel P. Berrangé <address@hidden>

Regards,
Daniel
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