Received: by 2002:a05:6a10:9e8c:0:0:0:0 with SMTP id y12csp484548pxx; Mon, 26 Oct 2020 13:05:11 -0700 (PDT) X-Google-Smtp-Source: ABdhPJwJMAlOiebPK7Rnu96b+0r+Ps87gB2PuHc6hX6wgIrINOXbffLJVAi0/3ADbdGFOyQfIgwF X-Received: by 2002:a17:906:139a:: with SMTP id f26mr17047616ejc.472.1603742711214; Mon, 26 Oct 2020 13:05:11 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1603742711; cv=none; d=google.com; s=arc-20160816; b=EUBWmMoSbQCVe6QJardNPtGcaSQjMO4uU/9etXYxjRVl93Oe85iYv3xjQsxsbm3O5L Oluv0RuvawnbDxJIszSCOWr35+glUHqBTd2E4pRG2LF/dsqXB5UwkaVlqTZxpSRZUNdM z7XOFHE0n5ElnOfu7WaKx0sxZ2+sDnGJv8ffBGabVBKYs9c8knMOgYuK3+51Li8/Sjqa IjOl3ScO1mWZiWbtL+kOczk+1Wms9CPg1QS7gOYwjWXJxWHAviPq9ms7iaLHmmudVrPE ft6v01pFDV/pZjlA2WGz3Xy1dDWl24UjuSOvYa5P+z/Nn3N8lZuNTnBGjxUKQfbDNn2V /pDQ== 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 :dkim-signature; bh=kKa5rwd58FaNWE0BGn96xvYN4MyUgh8XVpBPUnoaT/U=; b=wPnQ5eevD/fbF2hmxQE7sELPcvAc1ExAHw7l2PWHJsW50KOJq/G5TQO148F6o+qvnF pma0QrmdGi0zg9PrhiID1WYnxVfFWFUeHt2BPOWOUlTQPxvS/hW1TArs1eMd6MQ67ibc sTwwiry0foIe8jbbULn9VOWpv92a7djkNSOGXsGwFqu2xuGpaQGcjd8yQtt1dWpyfhZS 1EyksEyrlQuKkRy+XN8opEvWjTNHECW1vE2B2bDp0/mVB47AWOxb7LQnuS+MN8C7FARf 1BgV0cLa1KeGuW0xdXGna5Emxw/UDYMqJqFFxhHm6SpGsvUYxPlVcNhKKwRpXkN0uccq RHzg== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@codewreck.org header.s=2 header.b=36ySKFXI; 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; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=codewreck.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id d10si8112058edm.314.2020.10.26.13.04.40; Mon, 26 Oct 2020 13:05:11 -0700 (PDT) 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; dkim=fail header.i=@codewreck.org header.s=2 header.b=36ySKFXI; 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; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=codewreck.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1787439AbgJZRO2 (ORCPT + 99 others); Mon, 26 Oct 2020 13:14:28 -0400 Received: from nautica.notk.org ([91.121.71.147]:54312 "EHLO nautica.notk.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2438019AbgJZRO2 (ORCPT ); Mon, 26 Oct 2020 13:14:28 -0400 Received: by nautica.notk.org (Postfix, from userid 1001) id CD1BFC009; Mon, 26 Oct 2020 18:14:25 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=codewreck.org; s=2; t=1603732465; bh=k+Wgzjav+6/NLtxHMAhXa+c0i5J8LiGwvoX4SQgDuIM=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=36ySKFXIu8EOdz4pHiZMhFpfhulw6/kpyKUaUlsF03SPPgyzR5z3w2Hh+ODya4gcG f1o6seAenlkngQy4dueVtxStxjTxXli5CV5xYQIWKgdO+wp+KdBSvAVCtZhROk8RvX 0UIkbhn39BD0qO7sXVudUHVLy8uoOZ3/Lwau59TNJWcYn/ds/8a5x9Sa5WHZbKbfIo nGpifs9wJ1KmOviqBozVFTLUgVG2CF87eLO5A/i/84r0YZQiMTZDo7h2U9MFgfyxQc VXIg+F/IdyNJ8PO93My3tgSWYV4g/I/20FekHrlUfHX/ACmic1SV8/f8ZjWk3SNGlV BglvIky8H/hrw== Date: Mon, 26 Oct 2020 18:14:10 +0100 From: Dominique Martinet To: "Matthew Wilcox (Oracle)" Cc: linux-fsdevel@vger.kernel.org, ericvh@gmail.com, lucho@ionkov.net, viro@zeniv.linux.org.uk, jlayton@kernel.org, idryomov@gmail.com, mark@fasheh.com, jlbec@evilplan.org, joseph.qi@linux.alibaba.com, v9fs-developer@lists.sourceforge.net, linux-kernel@vger.kernel.org, ceph-devel@vger.kernel.org, ocfs2-devel@oss.oracle.com, linux-btrfs@vger.kernel.org, clm@fb.com, josef@toxicpanda.com, dsterba@suse.com, stable@vger.kernel.org Subject: Re: [PATCH 1/7] 9P: Cast to loff_t before multiplying Message-ID: <20201026171410.GA31121@nautica> References: <20201004180428.14494-1-willy@infradead.org> <20201004180428.14494-2-willy@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20201004180428.14494-2-willy@infradead.org> User-Agent: Mutt/1.5.21 (2010-09-15) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Matthew Wilcox (Oracle) wrote on Sun, Oct 04, 2020: > On 32-bit systems, this multiplication will overflow for files larger > than 4GB. > > Cc: stable@vger.kernel.org > Fixes: fb89b45cdfdc ("9P: introduction of a new cache=mmap model.") > Signed-off-by: Matthew Wilcox (Oracle) I realize I hadn't sent a mail -- FWIW this 9p patch has been merged, thanks! -- Dominique