On Thu, 11 Sep 2008, ebiederm@xxxxxxxxxxxx (Eric W. Biederman) > There is a weird corner case I'm trying to wrap my head around. > unlink and rmdir do not work on dentries that are mount points > in another mount namespace. > > Which is at least needed for the moment so we don't leak mounts. > > Once we have unprivileged mounts does that introduce a DOS attack? Hmm, yes. That's a tough one... I think if the dentry has only user mounts, unlink should go ahead and on success dissolve any mounts on the dentry. Does that sound workable? Thanks, Miklos -- 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
