From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Mahoney Subject: Re: Btrfs v0.14 Released Date: Thu, 01 May 2008 15:27:16 -0400 Message-ID: <481A1994.5020000@suse.com> References: <200804291601.32945.chris.mason@oracle.com> <481A14BA.9090305@canonical.com> <200805011517.55698.chris.mason@oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: Tim Gardner , jeffschroeder@computer.org, linux-fsdevel@vger.kernel.org, kernel-team@lists.ubuntu.com, linux-kernel@vger.kernel.org, linux-btrfs@vger.kernel.org To: Chris Mason Return-path: In-Reply-To: <200805011517.55698.chris.mason@oracle.com> Sender: linux-btrfs-owner@vger.kernel.org List-Id: linux-fsdevel.vger.kernel.org -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Chris Mason wrote: > On Thursday 01 May 2008, Tim Gardner wrote: > > [ btrfs oops on ubuntu ] > >>>> This is because ubuntu kernels ship with apparmor, you'll need this >>>> patch: >>>> >>>> If there is a #ifdef IM_A_UBUNTU_KERNEL I can use, I'll do it. Jeff >>>> Mahoney has a similar patch for SUSE that I've been meaning to merge, >>>> but I wanted to lookup some way to check for ubuntu as well. >>>> >>>> -chris >>>> >>>> diff -r e7da2489b19b file.c >>>> --- a/file.c Wed Apr 30 13:59:35 2008 -0400 >>>> +++ b/file.c Thu May 01 12:25:11 2008 -0400 >>>> @@ -852,7 +852,7 @@ static ssize_t btrfs_file_write(struct f >>>> goto out_nolock; >>>> if (count == 0) >>>> goto out_nolock; >>>> - err = remove_suid(fdentry(file)); >>>> + err = remove_suid(&file->f_path); >>>> if (err) >>>> goto out_nolock; >>>> file_update_time(file); >> Couldn't you #ifdef based on CONFIG_SECURITY_APPARMOR ? This ought to >> work for Hardy. However the next development kernel (Intrepid) does not >> have the APPARMOR patches, so just knowing that its an UBUNTU kernel is >> not specific enough. > > I've been assuming the apparmor patches change remove_suid even when they are > not enabled in the config. Yeah, unless Ubuntu is doing some magic with the function arguments (which sounds like the fix is worse than the problem), this is true. - -Jeff - -- Jeff Mahoney SUSE Labs -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.4-svn0 (GNU/Linux) Comment: Using GnuPG with SUSE - http://enigmail.mozdev.org iD8DBQFIGhmULPWxlyuTD7IRAgJcAJ4zYYcgQ2V0eT6Fv6LstlwpnK9bUwCgpdBD XHUzfiFBd+HQLt5Tw5vHH0A= =KWIZ -----END PGP SIGNATURE-----