[OpenAFS] find /afs/ breaking the client?
Sun, 04 Feb 2007 09:26:52 -0500
Jakub Witkowski wrote:
> I just ran into a fairly annoying problem:
> One of our students found out, by accident I guess, that running
> find /afs/ -name whatever
> breaks the AFS client _and_ makes the machine hang on access to _any_
> file anywhere in the file system hierarhy, not only within afs.
> The problem is, this exploit has been successfully used to torpedo exams
> that involved students logging in to our SSH server, also as a general
> DoS style attack.
> Only our cell, wszib.edu.pl, is configured in the client on SSH server.
> Client version is 1.5.14; the system is Linux 18.104.22.168 running as
> unpriviledged guest within Xen.
> Any suggestions?
> Jakub Witkowski.
I would try running the afs-client with the -fakestat-all switch .
See if that makes a diff.
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