Received: by 2002:a05:6a10:1a4d:0:0:0:0 with SMTP id nk13csp1939911pxb; Wed, 9 Feb 2022 07:41:42 -0800 (PST) X-Google-Smtp-Source: ABdhPJzXbHXBvPkX9muU6B1DMrxVkS/wbarSyChc1IzYZbub3jGiSuTVyN5rYp7JRR6rAzLkGS+s X-Received: by 2002:a17:902:8a8d:: with SMTP id p13mr2955708plo.80.1644421302319; Wed, 09 Feb 2022 07:41:42 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1644421302; cv=none; d=google.com; s=arc-20160816; b=Xq1dPzmnRmDRRzgMmpf2nvdlygSH2hr2bMEw/HNS1NtOQwI+0qdKMamyM9SwJnSWvP HY2T7gKNuBRSTQKBMNSKQPJRpBDqMjxUqDBcooAfA+nTp1YlMkEev6axfBgvvAEsX8ID g3jwQSVGXeR3zQD693NL0A3sc1b2M+N9BqSsed1hJOVC1pncV6EcFloO+MJJDQRkcWQb KpKRcPhtjGjhYnVynePgU9C3mT+Ooz/pEyEOtE7KEy9lAYAtx8MyBKfMgxE/74dYSJwi MkBF7JoAkSri5tMLG2d05cB8UA5rBzEqQ7wor2U0R6kZXBjLk9DVyfXePRCqvV9YAXl1 VQnQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:user-agent:in-reply-to:content-disposition :mime-version:references:message-id:subject:cc:to:from:date; bh=EzaJBoTUPX7PYpB7V5fBM6/bWuLyU4o3U/ZTbVx+jEA=; b=vYMgcAX6xYZOJwEbX3k2NBcOYFZLl0CEbQHDsF+BrD8u99NN3mfQyZWzNdIS59IwAa UX2v+SiY4w+hdTpz9Y3YyBikkT3sKyrHrgLRr2uPsaS975xYtklwih9aPjBU0di/IQSd KoDisrx8JQ92A+2+iVGi7b2gvuh7ZYE39L4fw6sE/rfRCTtIM6Tk4CPuQ4KKx0XEXkno ZWzEnInwe42dn0DnBAgwqK1JkS0tO5xu8F/PYknalPf0JBTiFEGcGofTbi+T8F2tl+bz d3ip8KNyvMGAQHvR+TcVDa90KzKERUB77t5MbCwe+jOQGiXNwivzLGhMlDcT5xrXHMEq 1/+g== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id k71si16322152pgd.431.2022.02.09.07.41.25; Wed, 09 Feb 2022 07:41:42 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235534AbiBIPJL (ORCPT + 99 others); Wed, 9 Feb 2022 10:09:11 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54106 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229820AbiBIPJI (ORCPT ); Wed, 9 Feb 2022 10:09:08 -0500 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A4912C06157B; Wed, 9 Feb 2022 07:09:10 -0800 (PST) Received: by verein.lst.de (Postfix, from userid 2407) id E948168BEB; Wed, 9 Feb 2022 16:09:04 +0100 (CET) Date: Wed, 9 Feb 2022 16:09:04 +0100 From: Christoph Hellwig To: Lee Jones Cc: linux-kernel@vger.kernel.org, Stable , Christoph Hellwig , Dave Chinner , Goldwyn Rodrigues , "Darrick J . Wong" , Bob Peterson , Damien Le Moal , Theodore Ts'o , Andreas Gruenbacher , Ritesh Harjani , Johannes Thumshirn , linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org, cluster-devel@redhat.com, syzbot+0ed9f769264276638893@syzkaller.appspotmail.com Subject: Re: [PATCH 1/1] Revert "iomap: fall back to buffered writes for invalidation failures" Message-ID: <20220209150904.GA22025@lst.de> References: <20220209085243.3136536-1-lee.jones@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220209085243.3136536-1-lee.jones@linaro.org> User-Agent: Mutt/1.5.17 (2007-11-01) X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,SPF_HELO_NONE, SPF_NONE,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Feb 09, 2022 at 08:52:43AM +0000, Lee Jones wrote: > This reverts commit 60263d5889e6dc5987dc51b801be4955ff2e4aa7. > > Reverting since this commit opens a potential avenue for abuse. > > The C-reproducer and more information can be found at the link below. > > With this patch applied, I can no longer get the repro to trigger. Well, maybe you should actually debug and try to understand what is going on before blindly reverting random commits.