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 X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C5E94C43470 for ; Wed, 5 May 2021 17:21:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 981CA60FD7 for ; Wed, 5 May 2021 17:21:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240960AbhEERWE (ORCPT ); Wed, 5 May 2021 13:22:04 -0400 Received: from mx2.suse.de ([195.135.220.15]:56280 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239001AbhEERKX (ORCPT ); Wed, 5 May 2021 13:10:23 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 099E9AF3D; Wed, 5 May 2021 17:09:26 +0000 (UTC) MIME-Version: 1.0 Date: Wed, 05 May 2021 10:09:25 -0700 From: Davidlohr Bueso To: Varad Gautam Cc: linux-kernel@vger.kernel.org, Matthias von Faber , Christian Brauner , Oleg Nesterov , "Eric W. Biederman" , Manfred Spraul , Andrew Morton Subject: Re: [PATCH] ipc/mqueue: Avoid relying on a stack reference past its expiry In-Reply-To: References: <20210504155534.17270-1-varad.gautam@suse.com> <4959eb8d8c14b00113370ae86dc7c9f5@suse.de> <6fbcb0fa502e7574f87213fc29877ed8@suse.de> <5abf8348-b1fc-fecb-d130-6d45b84ee081@suse.com> User-Agent: Roundcube Webmail Message-ID: <0b1da1311f1d9f60ae3cf3f037c2bfe3@suse.de> X-Sender: dbueso@suse.de Organization: SUSE Labs Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2021-05-05 09:24, Davidlohr Bueso wrote: > On 2021-05-05 08:36, Varad Gautam wrote: >> If you're still unconvinced, I'll send out a v2 w/ wake_q_add called >> before >> smp_store_release. > > Yeah, please send a v2, I believe this is the right way to fix the > issue. Also, it would be good to add: Cc: # 5.6 Thanks, Davidlohr