On 2012-05-10 09:29, Avi Kivity wrote: > Currently when you mount a filesystem, you face two issues: > - you have to be root > - if the media is untrusted, it can exploit your kernel > > With kvm and fuse, we can have a virtualized kernel mount the > filesystem, and re-export to the host, which mounts it using a fuse > interface. This solves both problems, at the expense of speed and > simplicity. In theory this can be used for mounting untrusted USB > sticks (perhaps only for the less well tested filesystems). >
I preferred mountlo [1] for this task, specifically due to the quick mount time and reasonable performance. Unfortunately, this setup, specifically uml, required some love back then when I last tried. Jan [1] http://sourceforge.net/projects/fuse/files/mountlo -- Siemens AG, Corporate Technology, CT T DE IT 1 Corporate Competence Center Embedded Linux
