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 X-Spam-Level: X-Spam-Status: No, score=-4.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 95D04C43387 for ; Fri, 4 Jan 2019 09:32:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6FCF9217F5 for ; Fri, 4 Jan 2019 09:32:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725958AbfADJc2 (ORCPT ); Fri, 4 Jan 2019 04:32:28 -0500 Received: from szxga07-in.huawei.com ([45.249.212.35]:60969 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727474AbfADJc1 (ORCPT ); Fri, 4 Jan 2019 04:32:27 -0500 Received: from DGGEMS403-HUB.china.huawei.com (unknown [172.30.72.58]) by Forcepoint Email with ESMTP id A2D98D4B4C144; Fri, 4 Jan 2019 17:32:25 +0800 (CST) Received: from [127.0.0.1] (10.134.22.195) by DGGEMS403-HUB.china.huawei.com (10.3.19.203) with Microsoft SMTP Server id 14.3.408.0; Fri, 4 Jan 2019 17:32:23 +0800 Subject: Re: [f2fs-dev] [PATCH 2/2] f2fs: don't access node/meta inode mapping after iput To: Jaegeuk Kim , , References: <20190104042025.31982-1-jaegeuk@kernel.org> <20190104042025.31982-2-jaegeuk@kernel.org> From: Chao Yu Message-ID: <1f89b87c-dd69-66c0-4d0b-ff9f5215c588@huawei.com> Date: Fri, 4 Jan 2019 17:32:22 +0800 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <20190104042025.31982-2-jaegeuk@kernel.org> Content-Type: text/plain; charset="windows-1252" Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [10.134.22.195] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2019/1/4 12:20, Jaegeuk Kim wrote: > This fixes wrong access of address spaces of node and meta inodes after iput. > > Fixes: 60aa4d5536ab ("f2fs: fix use-after-free issue when accessing sbi->stat_info") > Signed-off-by: Jaegeuk Kim Reviewed-by: Chao Yu Thanks,