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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id CCF07C433F5 for ; Thu, 17 Feb 2022 07:29:27 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 4A2016B0074; Thu, 17 Feb 2022 02:29:27 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 451426B0075; Thu, 17 Feb 2022 02:29:27 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 340516B0078; Thu, 17 Feb 2022 02:29:27 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0035.hostedemail.com [216.40.44.35]) by kanga.kvack.org (Postfix) with ESMTP id 226226B0074 for ; Thu, 17 Feb 2022 02:29:27 -0500 (EST) Received: from smtpin06.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id D6BA495276 for ; Thu, 17 Feb 2022 07:29:26 +0000 (UTC) X-FDA: 79151446332.06.1CFF8AE Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by imf02.hostedemail.com (Postfix) with ESMTP id 419F480006 for ; Thu, 17 Feb 2022 07:29:26 +0000 (UTC) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 545D661A66; Thu, 17 Feb 2022 07:29:25 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4F291C340E8; Thu, 17 Feb 2022 07:29:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1645082964; bh=pnXOxu90AJxyypH+8loU5y4SRFkkQnaJMq3XJR+O0fs=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=kwhqRrsClw2vfa5iA/JAjFW3WWNR98A+qjQnbCljCgnK+CxFyXXakrVrQSoM89RrI JZUiZQXWV2KE0yLiWz66Nf/JL59nkI6lV7Bnfo6bFEM4cEYa9MOhT2H54Vk1wiX3Ni ySdi5xZR8Sxb26SU2PQ9FjlKC3Cy70vBMbTcKbOY= Date: Thu, 17 Feb 2022 08:29:21 +0100 From: Greg KH To: liqiong Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: Re: [PATCH] mm: fix dereference a null pointer in migrate[_huge]_page_move_mapping() Message-ID: References: <20220217063808.42018-1-liqiong@nfschina.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220217063808.42018-1-liqiong@nfschina.com> X-Rspam-User: X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: 419F480006 X-Stat-Signature: eue1cjknj93unebb77j8nwr3emrougds Authentication-Results: imf02.hostedemail.com; dkim=pass header.d=linuxfoundation.org header.s=korg header.b=kwhqRrsC; spf=pass (imf02.hostedemail.com: domain of gregkh@linuxfoundation.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=gregkh@linuxfoundation.org; dmarc=pass (policy=none) header.from=linuxfoundation.org X-HE-Tag: 1645082966-666994 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Thu, Feb 17, 2022 at 02:38:08PM +0800, liqiong wrote: > Upstream has no this bug. What do you mean by this? confused, greg k-h