Received: by 2002:a05:6a10:f347:0:0:0:0 with SMTP id d7csp14353937pxu; Mon, 4 Jan 2021 22:08:28 -0800 (PST) X-Google-Smtp-Source: ABdhPJwym6im6GRjcgny2ADdp+RyrShBsBYDEjhyfbch0KSMYlYo1eMaALznbsRsd5ChOpCnmq2X X-Received: by 2002:a50:c209:: with SMTP id n9mr73845901edf.123.1609826908171; Mon, 04 Jan 2021 22:08:28 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1609826908; cv=none; d=google.com; s=arc-20160816; b=mE2OCAH5ThafmN8JRN8jrVG4ItkcJseEes2HPJOWGF6uH2jniyb9koRBn05NnTtvCB eMspgjD7VvCb2ALsqaxRjx6POEy0cRKnVB1p9tlgeKZ3DhhnoKo/j+8Y0tDTx3aJG2Rj nqQW97T8uc91MRLTA4lqx4yVWqI5JsL0WcTfpZmU0Hk2VpBd7rmcQpVl+tDcL+5nYNns rS6AeTpT8EPOyfas6LIxEkGa9Ra0M6GGxoQZ8X7eZRb0vP0T58i9KxpVQE9g0pIECI6n kjBFikBU4hLPS+qc4rKrn8qqqYlVLjSUP2AUyUQOvr6q2Prk7hpW5uFjXP+diYoL5TCJ Bn8Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:content-language :in-reply-to:mime-version:user-agent:date:message-id:from:references :cc:to:subject; bh=F9+0qI3fpdGAG4ZC8SoPjgpYPsJBDyqVsqs4lxaJUy8=; b=oSY4oLqY6hsd6unSnC/DI5st6/P59mXnGL296lJHsf/UakMzicMZL+tCdSOuUbJE9u krXeSfos09V7zrOGXezI+SeCXxhBHARRtZ2mWVHY3mgsIi7RUmDhnWjZuDzb3fs/By5F ie1RpCSAFidDJ2OxnJ3i+RavvnfmSfB8VoQ5OZJ0zExkg9IskYLBaqScR3iDljrYll9W lLFtOhyEIWFCJpI7YfwjznavzzeCdTF0Ot2clh2ghHYmXTKFYajZbQTFdw/Qv5qY14Y5 yZBJIoO3s5woVmngFRJ0VAmpxeKjId63ML9MVGmJcVRMpGWlgXlU0X4fTdHWU66itmSq Vl4w== ARC-Authentication-Results: i=1; mx.google.com; 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 Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id x8si39717898edl.539.2021.01.04.22.08.05; Mon, 04 Jan 2021 22:08:28 -0800 (PST) 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; 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 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728013AbhAEGG3 (ORCPT + 99 others); Tue, 5 Jan 2021 01:06:29 -0500 Received: from szxga06-in.huawei.com ([45.249.212.32]:9955 "EHLO szxga06-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727234AbhAEGG2 (ORCPT ); Tue, 5 Jan 2021 01:06:28 -0500 Received: from DGGEMS407-HUB.china.huawei.com (unknown [172.30.72.60]) by szxga06-in.huawei.com (SkyGuard) with ESMTP id 4D925p10F3zj2f2; Tue, 5 Jan 2021 14:05:02 +0800 (CST) Received: from [10.136.114.67] (10.136.114.67) by smtp.huawei.com (10.3.19.207) with Microsoft SMTP Server (TLS) id 14.3.498.0; Tue, 5 Jan 2021 14:05:37 +0800 Subject: Re: [f2fs-dev] [PATCH v2] f2fs: fix null page reference in redirty_blocks To: Daeho Jeong , , , CC: Colin Ian King , Daeho Jeong References: <20210105041630.1393157-1-daeho43@gmail.com> From: Chao Yu Message-ID: Date: Tue, 5 Jan 2021 14:05:36 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <20210105041630.1393157-1-daeho43@gmail.com> Content-Type: text/plain; charset="windows-1252"; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [10.136.114.67] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2021/1/5 12:16, Daeho Jeong wrote: > From: Daeho Jeong > > Fixed null page reference when find_lock_page() fails in > redirty_blocks(). > > Signed-off-by: Daeho Jeong > Reported-by: Colin Ian King > Fixes: 5fdb322ff2c2 ("f2fs: add F2FS_IOC_DECOMPRESS_FILE and F2FS_IOC_COMPRESS_FILE") Reviewed-by: Chao Yu Thanks,