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 D2CF3C3DA5D for ; Thu, 25 Jul 2024 14:29:40 +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=u1qXkjROW7KjPU4DSeaXivAUTvOHYsqVpEaoCYpMneU=; b=ySs6/XnCcK6q3aflikk44Dxj5L jJiiEF4sNgQ/iDnresM2vT2Sh7tOUQe1+LYbkzMQF93A2Sj25XyLUKZzv6qUyHQQZS0II9eSeA+1r Eqaaq9xC4Oa9Bh1zyMMUr/rmUEDwQ9Gnxr5MnNWJpbaSpzt6qmZOqmc8Pf3TPqOQZuXivJji8kAfQ fyNTOqyyHBFZJFTFdWHfOogr6QmrRo/bTlpqOURImG9A75ktlDUbEFyNyD1RGsXZ2NfhkbI5EKrxm 2DAHkExxVo7en0zeFShrw0/eDwQ5037vqGaK4oOTM11qo9/1UxOif8uj3QIockeq65IXbIpH7Zjxr KVTl3qJw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sWzTO-00000001GeG-49CZ; Thu, 25 Jul 2024 14:29:38 +0000 Received: from sin.source.kernel.org ([2604:1380:40e1:4800::1]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sWzTK-00000001Gcb-3fZh for linux-nvme@lists.infradead.org; Thu, 25 Jul 2024 14:29:36 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sin.source.kernel.org (Postfix) with ESMTP id 15086CE10F7; Thu, 25 Jul 2024 14:29:33 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 807BDC116B1; Thu, 25 Jul 2024 14:29:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1721917772; bh=YPVwZISppMNNtJugbjRyRBJF+SaRqxTdU9F8rN/Mnkg=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=a0uEhNqgT5Few0Nfy/+a6Yu5XDnK3jQeKnhnYFP/IeX6rFYlhAPtm33PyE1ymY9Ko 4zy0S/xGEKohwF54s5rCiqdQdLCGe6emL8Cgmneo/wkcErL0++/wUZ2Ct3MbO+wMKi 1kVXXGBazcHEC/x3sRi4x2FpLKemi8cL4Fi63rvcI6koIv4ND757aMlUl3oA/xh0wt l5oDgc6OZwSEl3wbWWiwQY8Rs32Ixv0adT6z1sYBb1LosFZgziBIfhYJ0MJ3vZVDPG o+ht2mJ9b62en7rLGxONFGfjeh2YPA2DC01VNL0ktc1v6Fb0QmSgmsKJnkjyYHuFD3 j02P+8i+PVgfQ== Date: Thu, 25 Jul 2024 08:29:29 -0600 From: Keith Busch To: Leon Romanovsky Cc: Jens Axboe , Christoph Hellwig , Sagi Grimberg , Leon Romanovsky , Chaitanya Kulkarni , linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] nvme-pci: add missing condition check for existence of mapped data Message-ID: References: <23e8ca814177474160a516e09b562af339cec837.1721816805.git.leon@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <23e8ca814177474160a516e09b562af339cec837.1721816805.git.leon@kernel.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240725_072935_109502_E0D61818 X-CRM114-Status: UNSURE ( 9.87 ) X-CRM114-Notice: Please train this message. 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 Wed, Jul 24, 2024 at 01:31:14PM +0300, Leon Romanovsky wrote: > From: Leon Romanovsky > > nvme_map_data() is called when request has physical segments, hence > the nvme_unmap_data() should have same condition to avoid dereference. Thanks, applied to nvme-6.11.