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=-5.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=unavailable 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 19DF5C3A5A0 for ; Mon, 19 Aug 2019 14:36:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E37FF2070D for ; Mon, 19 Aug 2019 14:36:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1566225393; bh=7GHG3qP/65u7/idHzQXFAmmZuMo/SIqETzSvYcl8JG8=; h=Subject:To:Cc:References:From:Date:In-Reply-To:List-ID:From; b=l9TXMQ4uD8duDW6n7TWVANJxNAgdtP88DoXL6mI1JHDaBYW5W78Uk103r0V0Mf5IO FdzFtYmJlC64CMJqUl+iSHe8wWvMkHstz8HxYOunRkIZuGeTwWyej4ZM8rWGch7XAz R0g+uPqgN83OSl2Z4LEyJ+IUtlB5O0/jB61A9n2c= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727356AbfHSOg2 (ORCPT ); Mon, 19 Aug 2019 10:36:28 -0400 Received: from mail.kernel.org ([198.145.29.99]:39742 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726654AbfHSOg2 (ORCPT ); Mon, 19 Aug 2019 10:36:28 -0400 Received: from [192.168.0.101] (unknown [180.111.132.43]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 1B32C20651; Mon, 19 Aug 2019 14:36:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1566225387; bh=7GHG3qP/65u7/idHzQXFAmmZuMo/SIqETzSvYcl8JG8=; h=Subject:To:Cc:References:From:Date:In-Reply-To:From; b=acXOLcwtxm0GJInd3x1I19pzAqxmw0OBeJktzTBfaHq+KOwaENrp//eWxMoPUx58A BML3rwJ0MMFD/UrX8exm3RvSl69C9ZSJI+PIZun4DYTkTtlI+2ZxeWURguh649KQvf k7Y64kagf808/416GjAZZw/zj1HzNjyx6PZZBDrk= Subject: Re: [PATCH 1/6] staging: erofs: some compressed cluster should be submitted for corrupted images To: Gao Xiang , Chao Yu , Greg Kroah-Hartman , devel@driverdev.osuosl.org, linux-fsdevel@vger.kernel.org Cc: LKML , linux-erofs@lists.ozlabs.org, Miao Xie , weidu.du@huawei.com, Fang Wei , stable@vger.kernel.org References: <20190819080218.GA42231@138> <20190819103426.87579-1-gaoxiang25@huawei.com> <20190819103426.87579-2-gaoxiang25@huawei.com> From: Chao Yu Message-ID: <6fd4d968-86f3-71bd-41de-2e2d3b61b1dc@kernel.org> Date: Mon, 19 Aug 2019 22:36:19 +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: <20190819103426.87579-2-gaoxiang25@huawei.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On 2019-8-19 18:34, Gao Xiang wrote: > As reported by erofs_utils fuzzer, a logical page can belong > to at most 2 compressed clusters, if one compressed cluster > is corrupted, but the other has been ready in submitting chain. > > The chain needs to submit anyway in order to keep the page > working properly (page unlocked with PG_error set, PG_uptodate > not set). > > Let's fix it now. > > Fixes: 3883a79abd02 ("staging: erofs: introduce VLE decompression support") > Cc: # 4.19+ > Signed-off-by: Gao Xiang Reviewed-by: Chao Yu Thanks,