From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934636AbcIVPRN (ORCPT ); Thu, 22 Sep 2016 11:17:13 -0400 Received: from mx1.redhat.com ([209.132.183.28]:53192 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933466AbcIVPRM (ORCPT ); Thu, 22 Sep 2016 11:17:12 -0400 Message-ID: <1474557429.14139.10.camel@redhat.com> Subject: Re: cifs mount regression in 4.8 and 4.4 stable From: Sachin Prabhu To: Seth Forshee , Steve French , Aurelien Aptel Cc: Greg Kroah-Hartman , linux-cifs@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org In-Reply-To: <20160922150918.GA127053@ubuntu-hedt> References: <20160922150918.GA127053@ubuntu-hedt> Content-Type: text/plain; charset="UTF-8" Date: Thu, 22 Sep 2016 16:17:09 +0100 Mime-Version: 1.0 Content-Transfer-Encoding: 8bit X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.30]); Thu, 22 Sep 2016 15:17:11 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2016-09-22 at 10:09 -0500, Seth Forshee wrote: > We've received reports from users of a cifs mount regression in our > 4.4-based kernel, e.g. [1]. It is fixed by reverting the follwing > commit > from 4.8 which was applied to 4.4 stable: > >  a6b5058 fs/cifs: make share unaccessible at root level mountable > > Testing against 4.8-rc7 shows that the problem is present there as > well. > > Thanks, > Seth > > [1] http://bugs.launchpad.net/bugs/1626112 Hello Seth,  We have identified some regressions introduced by the mentioned patch These include a) mounting of DFS shares breaks. The fix is included in Steve's tree at https://git.samba.org/?p=sfrench/cifs-2.6.git;a=commit;h=de5233745cd59c f5853d963ad216067788a87594 b) mounting of the same share with different paths breaks. Fixed by upstream commit c1d8b24d18192764fe82067ec6aa8d4c3bf094e0 c) memory leaks in mounting fixed by upstream  4214ebf4654798309 364d0c678b799e402f38288 Can you please share any other reports not mentioned above? Sachin Prabhu