Received: by 2002:a05:6a10:f3d0:0:0:0:0 with SMTP id a16csp4456351pxv; Tue, 29 Jun 2021 07:27:56 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzJziyvPgI//mJHoj2S6kYnoeeitFBAOGTqCCMLoyLxK5N3EE+zBlCgXvw3Kn/aO5iDNXpC X-Received: by 2002:a5e:9306:: with SMTP id k6mr4322032iom.157.1624976876642; Tue, 29 Jun 2021 07:27:56 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1624976876; cv=none; d=google.com; s=arc-20160816; b=AtVmtDloEvaC9ApZiCevG5Zh12kE0cZWihN90MPdpzqumhcB0Upy5RYuf1+/J+HSe6 mSa3hyXYeP193Qh+sbcl/ORRAk7uBiC0lH5pjPUHeB96rhiTCIIVdafH66kHQ/DEQ92s 95l2b1HFvfZVgN8crpXaq1lo08nR4p/HSmqkHTUUOfyJxMsJ8NuJv8baQWjErEB9A8Ot ZFUUSV86/pMjEjv06pkgEMgA56rnmLPKRPEjzhr3kgB+Ibcv9ufCic+IZovHKkljMF6W cQ6/ELlpjl9c9mQieSHSiChvOwq9YnLtkSMeCf0TQpAbRqtSkuqhSaeRF0Myf0KA/9Is gl9A== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from; bh=qcDYnfQNXeKqv21OOLDjSlRg2M9mBD5oHsBnWuExLkk=; b=dPTzNQ2L1HwhnVro2NKfBZBwvy7YGpTZCX134bIHdrlS/U/EY4vYaEBqgW7Iu/rnQa a/DLnA3MB0KFYnSSQLpoBpGjAMt8OFPEneU3aDd1NRviEjR8H5ktdA8mPSUlM2lTW+kK pXCNe4Ue4Xd4bMcwEA0TPcTui1Tp7L7Shmi5FCOY7xOQROxXuY66s56T9gQqh0HogRdQ tT9UUHM1DjDfN8h1EFyxzQYudOwr6oqmwbCDBGisYPsTcaT8SnClnVhKmD6gzRyDkjyr Au4IJanFfu2oPFdCtbMnWzrjAkUIg1n78HNf85Z1u70SdtloZ8r/kKFMEVXULJKmonmW s23Q== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-ext4-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-ext4-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=huawei.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id z16si20626994ilo.50.2021.06.29.07.27.39; Tue, 29 Jun 2021 07:27:56 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-ext4-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-ext4-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-ext4-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=huawei.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234112AbhF2O34 (ORCPT + 99 others); Tue, 29 Jun 2021 10:29:56 -0400 Received: from szxga08-in.huawei.com ([45.249.212.255]:9298 "EHLO szxga08-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234018AbhF2O3x (ORCPT ); Tue, 29 Jun 2021 10:29:53 -0400 Received: from dggeme754-chm.china.huawei.com (unknown [172.30.72.57]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4GDmrX47Kpz1BT6b; Tue, 29 Jun 2021 22:22:04 +0800 (CST) Received: from huawei.com (10.175.127.227) by dggeme754-chm.china.huawei.com (10.3.19.100) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2; Tue, 29 Jun 2021 22:27:22 +0800 From: Ye Bin To: , , , , CC: Ye Bin Subject: [PATCH 0/2] Fix use-after-free about sbi->s_mmp_tsk Date: Tue, 29 Jun 2021 22:36:01 +0800 Message-ID: <20210629143603.2166962-1-yebin10@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: dggems706-chm.china.huawei.com (10.3.19.183) To dggeme754-chm.china.huawei.com (10.3.19.100) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org Ye Bin (2): ext4: Fix use-after-free about sbi->s_mmp_tsk ext4: Fix potential uas-after-free about sbi->s_mmp_tsk when kmmpd kthread exit before set sbi->s_mmp_tsk fs/ext4/ext4.h | 1 + fs/ext4/mmp.c | 34 ++++++++++++++++++++++++++++------ fs/ext4/super.c | 1 + 3 files changed, 30 insertions(+), 6 deletions(-) -- 2.31.1