From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from szxga08-in.huawei.com (szxga08-in.huawei.com [45.249.212.255]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 20E6B179B7; Sat, 25 May 2024 10:21:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.255 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716632476; cv=none; b=aELIDgU+fLn/iyKT9JZyLC695LBZIRzjdK899d5EHYURTOr2mLnSaBMRcK1dcpy92q0Ctn4O7aJO5ViSlmQOigmd8DwuYd9WaFIyZxyTyhVF5ROwCJJDNXm2vcYC8Ce3rZd9mIhay9xNNRPd+e5oxQ5zJZE23H8yDf19nOCsYvM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716632476; c=relaxed/simple; bh=owXOYxICyjkkQR1wYwKyKf/bwsErQYSY5YS6+3DrE+A=; h=Message-ID:Date:MIME-Version:Subject:To:CC:References:From: In-Reply-To:Content-Type; b=DmL2/yFVTJFAu10GvWfbv28YBZnEGnQPpFSmkDHOkgM5VxzTrnHFVBrbqRXBVBiQvSiQcr1zvjd56BMtiJ4LVSeVORM83RyLgWMSIBW/6x0vwFmvU++HgkNdkl0eWcr/Pk8sCv9Bw3v+LJZgc+zmqGm8dLfibZJ31WIsXCkfelA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com; spf=pass smtp.mailfrom=huawei.com; arc=none smtp.client-ip=45.249.212.255 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huawei.com Received: from mail.maildlp.com (unknown [172.19.163.174]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4VmdBb1dZRz1S4xh; Sat, 25 May 2024 18:17:27 +0800 (CST) Received: from dggpeml500026.china.huawei.com (unknown [7.185.36.106]) by mail.maildlp.com (Postfix) with ESMTPS id 3750314011D; Sat, 25 May 2024 18:21:09 +0800 (CST) Received: from [10.174.178.66] (10.174.178.66) by dggpeml500026.china.huawei.com (7.185.36.106) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.35; Sat, 25 May 2024 18:21:08 +0800 Message-ID: <9940d719-ee96-341d-93e6-ffd04b6fddba@huawei.com> Date: Sat, 25 May 2024 18:21:08 +0800 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.0.2 Subject: Re: [PATCH stable,5.15 0/2] Revert the patchset for fix CVE-2024-26865 To: Greg KH CC: , , , , , , , , , References: <20240506030554.3168143-1-shaozhengchao@huawei.com> <2024052355-doze-implicate-236d@gregkh> <92bc4c96-9aaa-056c-e59a-4396d19a9f58@huawei.com> <2024052511-aflutter-outsider-4917@gregkh> From: shaozhengchao In-Reply-To: <2024052511-aflutter-outsider-4917@gregkh> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) To dggpeml500026.china.huawei.com (7.185.36.106) On 2024/5/25 17:42, Greg KH wrote: > On Sat, May 25, 2024 at 05:33:00PM +0800, shaozhengchao wrote: >> >> >> On 2024/5/23 19:34, Greg KH wrote: >>> On Mon, May 06, 2024 at 11:05:52AM +0800, Zhengchao Shao wrote: >>>> There's no "pernet" variable in the struct hashinfo. The "pernet" variable >>>> is introduced from v6.1-rc1. Revert pre-patch and post-patch. >>> >>> I do not understand, why are these reverts needed? >>> >>> How does the code currently build if there is no variable here? >>> >>> confused, >>> >>> greg k-h >> Hi greg: >> If only the first patch is merged, compilation will fail. >> There's no "pernet" variable in the struct hashinfo. > > But both patches are merged together here. Does the released kernel > versions fail to build somehow? > > thanks, > > greg k-h > Work well, as I know. Thank you Zhengchao Shao