[PATCH 0/3] Add O_DENY* flags to fcntl and cifs
alan at lxorguk.ukuu.org.uk
Fri Dec 7 15:35:20 CST 2012
> The problem is the possibility of denial-of-service attacks here. We
> can try to prevent them by:
> 1) specifying an extra security bit on the file that indicates that
> share flags are accepted (like we have for mandatory locks now) and
> setting it for neccessary files only, or
> 2) adding a special mount option (but it it probably makes sense if we
> decided to add this support for CIFS and NFS only).
3) making it a property that the process opts into - the same fs can have
Linux and wine users at once.
But for such a big set of changes and with the kind of potential fallout
you need to demonstrate a good practical use case IMHO, not just a "neat
idea I had".
More information about the wine-devel