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 BF02AC433EF for ; Thu, 13 Jan 2022 07:37:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231404AbiAMHhp (ORCPT ); Thu, 13 Jan 2022 02:37:45 -0500 Received: from szxga01-in.huawei.com ([45.249.212.187]:16708 "EHLO szxga01-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230310AbiAMHho (ORCPT ); Thu, 13 Jan 2022 02:37:44 -0500 Received: from dggpeml500020.china.huawei.com (unknown [172.30.72.54]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4JZGQP0lTMzZdyW; Thu, 13 Jan 2022 15:34:05 +0800 (CST) Received: from huawei.com (10.175.127.227) by dggpeml500020.china.huawei.com (7.185.36.88) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.20; Thu, 13 Jan 2022 15:37:42 +0800 From: Baokun Li To: , , , CC: , Subject: [PATCH -next v2 0/2] jffs2: fix two memory leak when mount jffs2 Date: Thu, 13 Jan 2022 15:48:46 +0800 Message-ID: <20220113074848.1308414-1-libaokun1@huawei.com> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [10.175.127.227] X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) To dggpeml500020.china.huawei.com (7.185.36.88) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org V1->V2: In jffs2_scan_medium, if s = kzalloc(sizeof(struct jffs2_summary), GFP_KERNEL); returns error, go to "out" to do clear. Null pointer dereference occurs when if (s->sum_list_head) is executed in "out". Baokun Li (2): jffs2: fix memory leak in jffs2_do_mount_fs jffs2: fix memory leak in jffs2_scan_medium fs/jffs2/build.c | 4 +++- fs/jffs2/scan.c | 2 ++ 2 files changed, 5 insertions(+), 1 deletion(-) -- 2.31.1