Jay Tribick wrote:
>
> > There is a way to overflow / filesystem even is quota is enabled.
> >
> > Just make many hard links (for example /bin/sh) to /tmp/
> >
> > for ($q=0;$q<100000;$q++){
> > system ("ln /bin/sh /tmp/ln$q");
> > }
> >
> > Because /tmp directory usually owned by root that why quotas has no effect.
> > *Directory* size of /tmp can be grown up to available space on / filesystem.
> >
> > Any way to fix it?
>
> Haven't tested this, but are you sure it fills the filesystem up -
> all a hard link is, is a file with the same inode as the
> original file (correct me if I'm wrong) - therefore it
> doesn't actually use any space other than that required
> to store the file entry.
You missed the dirty trick... :-) It's the size of +/tmp+ that fills
/. The *directory* size. Because it has to *store* all these
links...
--
Daniel C. Sobral (8-DCS)
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