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 9B5D0C19F29 for ; Tue, 26 Jul 2022 21:22:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229926AbiGZVWH (ORCPT ); Tue, 26 Jul 2022 17:22:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36322 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229493AbiGZVWG (ORCPT ); Tue, 26 Jul 2022 17:22:06 -0400 Received: from mail-pg1-f172.google.com (mail-pg1-f172.google.com [209.85.215.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 90CA22E9EE for ; Tue, 26 Jul 2022 14:22:05 -0700 (PDT) Received: by mail-pg1-f172.google.com with SMTP id q22so9048840pgt.9 for ; Tue, 26 Jul 2022 14:22:05 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=kPFY4BKtVpY3SqyUsNsQSoWEDyTjdgDbiZB3gFIzutk=; b=qJ0peNxC1YhW4U95cmTzMchXyJdrM2qi6zVVuPdsVkujqh73S1muhs7DtPmfQhc5BA yTfzZWyedAns0ZHAVN+XhwnDr4dngMHQmpp0GhdL25UxRTYwS/BVUaftiyMMD4r+AI6p /4IUURi+K1OwuMvi8FnMsjON0jgynjhJmywePxQravANS/syYgwWD1W9bPutk65wonIA psQ4IDWtl5BLJmwKbRyvgF6gxMbUzT7Fpz422xdSJCwn2HZBZZNTUQVyN+ervU0l08il 0RrBwf5wrI0d0iIK00b0gA5BTuMfUBkn2HL+AAMQsMRppsYEphHY7vwPEBwlF83jQ6lp mt7A== X-Gm-Message-State: AJIora+Ga8zkuOK1psN7ZU8w3H9V6tPnFGIAfOamiwP05r8o6YQo+T3w iCnf7e8Eem2JUDTvfQt/OF5zKeBUHzw= X-Google-Smtp-Source: AGRyM1s6yuUjVJgIhjS/7uqfBaNLLSM4XWPOy9eIfvw4/K5zhNYE166I+0wf0UrMZZeH6DPPvZV71A== X-Received: by 2002:a63:8c47:0:b0:40d:2d4:e3a2 with SMTP id q7-20020a638c47000000b0040d02d4e3a2mr16761912pgn.2.1658870524931; Tue, 26 Jul 2022 14:22:04 -0700 (PDT) Received: from bvanassche-linux.mtv.corp.google.com ([2620:15c:211:201:34f4:7aa8:57:d456]) by smtp.gmail.com with ESMTPSA id g5-20020aa796a5000000b00528999fba99sm12398983pfk.175.2022.07.26.14.22.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 26 Jul 2022 14:22:03 -0700 (PDT) From: Bart Van Assche To: Jason Gunthorpe Cc: Leon Romanovsky , linux-rdma@vger.kernel.org, Li Zhijian , Hillf Danton , Mike Christie , Bart Van Assche Subject: [PATCH 0/3] Fix a use-after-free in the SRP target driver Date: Tue, 26 Jul 2022 14:21:53 -0700 Message-Id: <20220726212156.1318010-1-bvanassche@acm.org> X-Mailer: git-send-email 2.37.1.359.gd136c6c3e2-goog MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org Hi Jason, A known issue in the SRP target driver is that a use-after-free is triggered if an RDMA port is removed while a LIO target port is still associated with that RDMA port. This patch series fixes that use-after-free. Thanks, Bart. See also: * Commit 9b64f7d0bb0a ("RDMA/srpt: Postpone HCA removal until after configfs directory removal"). * https://lore.kernel.org/all/17649b9c-7e42-1625-8bc9-8ad333ab771c@fujitsu.com/ Bart Van Assche (3): RDMA/srpt: Duplicate port name members RDMA/srpt: Introduce a reference count in struct srpt_device RDMA/srpt: Fix a use-after-free drivers/infiniband/ulp/srpt/ib_srpt.c | 151 ++++++++++++++++++-------- drivers/infiniband/ulp/srpt/ib_srpt.h | 18 ++- 2 files changed, 120 insertions(+), 49 deletions(-)