> > - network/userspace filesystems should be fine aswell
>
> They should, but again I wonder if NFS with all it's complexity is
> being careful enough with what it accepts from the server.
>
> Smbfs might be close to safe, since it's already available for users
> to mount from an arbitrary server.
I take that back. Any filesystem using page cache and allowing shared
writable mapping is currently unsafe because of OOM deadlock if
mounted from local machine, or simply DoS against client by delaying
writeback.
So other than FUSE, what's left as safe?
Miklos
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