From patchwork Mon Feb 17 07:01:19 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Junxian Huang X-Patchwork-Id: 13977186 Received: from szxga01-in.huawei.com (szxga01-in.huawei.com [45.249.212.187]) (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 84A32183098 for ; Mon, 17 Feb 2025 07:08:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.187 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739776132; cv=none; b=XxSd7X9ycZGAcawp98ZP+H89KjZOuZs3bJ4+SbGIIgjuIutgDzTeMwe4he/K3G6Y3ksmbZyq9kqAClv74K2KDxZozO9i6BiDI0lk7Gi0l89nNBQI3peAUkGoijOWS5hMc3kc8pSzkjfYV9j5OOU7EBr2LFSh6VgOr0nG86zzDe8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739776132; c=relaxed/simple; bh=5ZJpsM/7AqdnPCNn8MBS6VMH9OoVlmhSV+xcW0lk7Ls=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=GN+bZuuSfuWf8QqVw8YCXb4krAUfDdIRSx4IcQ4YkDyBgRgYWfqUWSxfDeQsgTEeKSUYh/A2mu6C6YHJ6Obi5Ga57bwGSjjJs3ly4JpUY/x1EcFue0vcpdvBilV2SuG90915G+P6RZYb8jaxvAj+pLGvTYMUR22Wxco5WImJybY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=hisilicon.com; spf=pass smtp.mailfrom=hisilicon.com; arc=none smtp.client-ip=45.249.212.187 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=hisilicon.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=hisilicon.com Received: from mail.maildlp.com (unknown [172.19.88.105]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4YxDCw6xR8z11VXs; Mon, 17 Feb 2025 15:04:12 +0800 (CST) Received: from kwepemf100018.china.huawei.com (unknown [7.202.181.17]) by mail.maildlp.com (Postfix) with ESMTPS id 7E3481401F2; Mon, 17 Feb 2025 15:08:46 +0800 (CST) Received: from localhost.localdomain (10.90.30.45) by kwepemf100018.china.huawei.com (7.202.181.17) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Mon, 17 Feb 2025 15:08:45 +0800 From: Junxian Huang To: , CC: , , , Subject: [PATCH for-next 0/4] RDMA/hns: Introduce delay-destruction mechanism Date: Mon, 17 Feb 2025 15:01:19 +0800 Message-ID: <20250217070123.3171232-1-huangjunxian6@hisilicon.com> X-Mailer: git-send-email 2.30.0 Precedence: bulk X-Mailing-List: linux-rdma@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To kwepemf100018.china.huawei.com (7.202.181.17) When mailboxes for resource(QP/CQ/SRQ) destruction fail, it's unable to notify HW about the destruction. In this case, driver will still free the resources, while HW may still access them, thus leading to a UAF. This series introduces delay-destruction mechanism to fix such HW UAF, including thw HW CTX and doorbells. Junxian Huang (2): RDMA/hns: Change mtr member to pointer in hns QP/CQ/MR/SRQ/EQ struct RDMA/hns: Fix HW doorbell UAF by adding delay-destruction mechanism wenglianfa (2): RDMA/hns: Fix HW CTX UAF by adding delay-destruction mechanism Revert "RDMA/hns: Do not destroy QP resources in the hw resetting phase" drivers/infiniband/hw/hns/hns_roce_cq.c | 34 +++-- drivers/infiniband/hw/hns/hns_roce_db.c | 91 ++++++++++---- drivers/infiniband/hw/hns/hns_roce_device.h | 73 ++++++++--- drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 97 +++++++-------- drivers/infiniband/hw/hns/hns_roce_main.c | 13 ++ drivers/infiniband/hw/hns/hns_roce_mr.c | 117 ++++++++++++++---- drivers/infiniband/hw/hns/hns_roce_qp.c | 30 +++-- drivers/infiniband/hw/hns/hns_roce_restrack.c | 4 +- drivers/infiniband/hw/hns/hns_roce_srq.c | 45 ++++--- 9 files changed, 348 insertions(+), 156 deletions(-) --- 2.33.0