On Fri, 9 Feb 2007 19:23:31 -0500 "Russ Cox" <rsc@xxxxxxxxx> wrote: > > "The file system mounted on /tmp/z in the example contains 2^50 > > directories". heh. > > > > I do wonder how realistic this problem is in real life. > > That's a fair concern, although I was trying this as part > of evaluating how much someone could hose a system > if we let them mount arbitrary FUSE servers. And the > answer is: they could make it completely unusable, > requiring reboot. > > I ran a later test that printed how deep it got into > the file tree and it was only a few hundred thousand > if I recall correctly. A determined attacker might even > manage to do this in a normal file system. > > But sure, it's not a common case. ;-) Well that's a good point - sometimes people do crazy things on purpose. We were all University students once ;) The patches look nice and as I said, potentially of some use for memory reclaim. But I hope that someone who has worked on dcache.c more recently than I has time to apply a toothcomb to this work. - To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
