Re: [PATCH, RFC] tty: stop abusing file->f_u.fu_list

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Fri, Jun 04, 2010 at 02:39:34PM -0400, Christoph Hellwig wrote:
> The ttry code currently abuses the file anchor for the per-sb file list
> to track instances of a given tty.  But there's no good reason for
> that, we can just install a proxy object in file->private that gets
> added to the list and points to the tty and keep the list away from
> VFS internals.
> 
> Note that I've just if 0'd the selinux mess poking into it.  While we
> could trivially port it to the new code by making the tty_private
> structure public this code is just too revolting to be kept around.
> It would never have been there anyway if a person with some amount of
> clue had ever reviewed the selinux code.  And no, it's not just the
> tty portion, the rest of that function is just as bad.

This is disgusting, as much as selinux code you've mentioned ;-/

FWIW, selinux problem here is interesting - essentially, it violates its
own rules since the real object here is not an inode.  It's tty.  And
inode pretty much serves as a name - potentially one of many.  So the
policy should've been associated with tty instead...
--
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


[Index of Archives]     [Linux Ext4 Filesystem]     [Union Filesystem]     [Filesystem Testing]     [Ceph Users]     [Ecryptfs]     [AutoFS]     [Kernel Newbies]     [Share Photos]     [Security]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux Cachefs]     [Reiser Filesystem]     [Linux RAID]     [Samba]     [Device Mapper]     [CEPH Development]
  Powered by Linux