From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C3A30C43217 for ; Tue, 10 May 2022 05:50:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236815AbiEJFyn (ORCPT ); Tue, 10 May 2022 01:54:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51462 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236823AbiEJFyl (ORCPT ); Tue, 10 May 2022 01:54:41 -0400 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E2FCFE16; Mon, 9 May 2022 22:50:42 -0700 (PDT) Received: by verein.lst.de (Postfix, from userid 2407) id B515F68AFE; Tue, 10 May 2022 07:50:39 +0200 (CEST) Date: Tue, 10 May 2022 07:50:39 +0200 From: Christoph Hellwig To: Ming Lei Cc: Jens Axboe , syzbot , andrii@kernel.org, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, john.fastabend@gmail.com, kafai@fb.com, kpsingh@kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, songliubraving@fb.com, syzkaller-bugs@googlegroups.com, yhs@fb.com, Christoph Hellwig Subject: Re: [syzbot] KASAN: use-after-free Read in bio_poll Message-ID: <20220510055039.GA10576@lst.de> References: <00000000000029572505de968021@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Tue, May 10, 2022 at 08:13:58AM +0800, Ming Lei wrote: > > Guys, should we just queue: > > > > ommit 9650b453a3d4b1b8ed4ea8bcb9b40109608d1faf > > Author: Ming Lei > > Date: Wed Apr 20 22:31:10 2022 +0800 > > > > block: ignore RWF_HIPRI hint for sync dio > > > > up for 5.18 and stable? > > I am fine with merging to 5.18 & stable. I'm fine, too. But are we sure this actually is one and the same issue? Otherwise I'll try to find some time to feed it to syzbot first.