Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751488AbcCLHne (ORCPT ); Sat, 12 Mar 2016 02:43:34 -0500 Received: from mail-pa0-f50.google.com ([209.85.220.50]:34092 "EHLO mail-pa0-f50.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750799AbcCLHnd (ORCPT ); Sat, 12 Mar 2016 02:43:33 -0500 Date: Fri, 11 Mar 2016 22:43:29 -0900 From: Kent Overstreet To: mlin@kernel.org, axboe@kernel.dk Cc: linux-kernel@vger.kernel.org Subject: e827091cb1 "block: merge: get the 1st and last bvec via helpers" broken Message-ID: <20160312074329.GA19066@kmo-pixel> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.24 (2015-08-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 181 Lines: 4 I don't know exactly how it's broken, but with that patch segment counting is broken - I'm seeing blk_rq_map_sg() overrun the end of the sgtable. I suggest reverting it for 4.5...