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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A7AD4C001DF for ; Mon, 31 Jul 2023 01:35:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229613AbjGaBft (ORCPT ); Sun, 30 Jul 2023 21:35:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50600 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229379AbjGaBfr (ORCPT ); Sun, 30 Jul 2023 21:35:47 -0400 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C4A09E49 for ; Sun, 30 Jul 2023 18:35:45 -0700 (PDT) Received: from dggpeml100024.china.huawei.com (unknown [172.30.72.56]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4RDglR6s8kzrRqN; Mon, 31 Jul 2023 09:34:43 +0800 (CST) Received: from [10.174.176.83] (10.174.176.83) by dggpeml100024.china.huawei.com (7.185.36.115) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.27; Mon, 31 Jul 2023 09:35:43 +0800 Message-ID: Date: Mon, 31 Jul 2023 09:35:42 +0800 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:102.0) Gecko/20100101 Thunderbird/102.12.0 Subject: Re: [PATCH] mtd: fix use-after-free in mtd release To: "Usyskin, Alexander" , Miquel Raynal , Andy Shevchenko CC: Richard Weinberger , Vignesh Raghavendra , "linux-mtd@lists.infradead.org" , "linux-kernel@vger.kernel.org" , "Winkler, Tomas" , "Lubart, Vitaly" References: <20230727145758.3880967-1-alexander.usyskin@intel.com> <20230727172013.7c85c05d@xps-13> <20230727183611.37d01f51@xps-13> From: "zhangxiaoxu (A)" In-Reply-To: Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 8bit X-Originating-IP: [10.174.176.83] X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) To dggpeml100024.china.huawei.com (7.185.36.115) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 在 2023/7/30 19:10, Usyskin, Alexander 写道: > Miquel, is this patch helps with your original problem of devices not freed? > > Zhang, is this patch helps with your problem with KAsan? After this patch applied, the problem can still be reproduced.