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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id A6812C53200 for ; Wed, 29 Jul 2026 05:40:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=H/AgoQ66Gx1QNJluQMlsR452ZiotXg+Sue4g3ozRJhw=; b=ri1y9uvi6BdajYSL1hLw2CCFi1 C4hZVT6T6hnshLkEkufvGXiZXi0e2jzv7Kn+2zVXrk2wXLRThth4mJIyOPvqhaE8uC4RIqj531BYm L5yNgSZ7E2bzD6Tr38tAW3R2rBQQaLeNNlh0wquoH8QyzyXCkPAe8sKSUPp4PixtCh7xaLqFD9zGm pvaFyD4zM+adxfz0E9uVPFB6E4Hs9YmGLaL+dtMXeMrw8Agumdzv/toigQtX7eJFHNL3JTVzoXwfC xg/z4nZIDxnfd+dQ3pfr5LrLMu/N6sud3SO07TNt0bPovxxBzDGZ8ErDyUWPWXpurZuJWil36j1zc 7J/X0I2g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wox22-00000006xFU-47Nd; Wed, 29 Jul 2026 05:40:43 +0000 Received: from tor.source.kernel.org ([2600:3c04:e001:324:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wox1y-00000006xFN-0YhB for linux-nvme@lists.infradead.org; Wed, 29 Jul 2026 05:40:38 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with ESMTP id F2A0C60A5F; Wed, 29 Jul 2026 05:40:36 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 292741F000E9; Wed, 29 Jul 2026 05:40:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1785303636; bh=H/AgoQ66Gx1QNJluQMlsR452ZiotXg+Sue4g3ozRJhw=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=Kejc6IsBmAytfBzRNDmMxidpJx3JKjUc4QNt7tAoLpYtCEpIz9y44Jl/0xuNpQUa8 wNCJ7NQex0VTglRMeGmkpNpxz7rV96LC45gmsZi1TqYGMXs2dKkF6fqqW/+4BPasy+ 2m23amk5pJQ3/nNyMJjMyudM0ttYzXCkyYREP+5c= Date: Wed, 29 Jul 2026 07:39:09 +0200 From: Greg Kroah-Hartman To: Keith Busch Cc: Christoph Hellwig , Sagi Grimberg , Chaitanya Kulkarni , linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org, stable Subject: Re: [PATCH] nvmet-tcp: Do not WARN on remotely-controlled oversized SGL allocations Message-ID: <2026072944-express-relapsing-42d7@gregkh> References: <20260727-nvme-tcp-v1-1-61c0e36763eb@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org On Tue, Jul 28, 2026 at 11:14:46AM -0600, Keith Busch wrote: > On Mon, Jul 27, 2026 at 10:03:31PM +0200, Greg Kroah-Hartman wrote: > > When fuzzing the nvme target code, I tripped a kernel warning in > > nvmet_tcp_map_data() because the length passed into the allocator is > > controlled by the remote initiator. > > Thanks, applied to nvme-7.3 with a minor fix for an overly long line. Thanks, I thought you all would allow stuff longer than 80 columns like the rest of the kernel does in places :) greg k-h