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 436B1C43334 for ; Mon, 27 Jun 2022 16:37:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239558AbiF0Qhc (ORCPT ); Mon, 27 Jun 2022 12:37:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36112 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239532AbiF0Qh0 (ORCPT ); Mon, 27 Jun 2022 12:37:26 -0400 Received: from mail-pj1-f54.google.com (mail-pj1-f54.google.com [209.85.216.54]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 22D56120AA; Mon, 27 Jun 2022 09:37:24 -0700 (PDT) Received: by mail-pj1-f54.google.com with SMTP id i8-20020a17090aee8800b001ecc929d14dso10555760pjz.0; Mon, 27 Jun 2022 09:37:24 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=h+CBkZaCUAPsWCF3WoXppHNKCyy0dZJN6jYn++00T3g=; b=7p1fFtmxjpgpdCxfjBHM1/VvTSG6Lpy9043NJpMYFZvwJzsJKlyeMseOTDj9+yFtBO XP8VxNnsyciE6/OHjDc3RAd81A9hgwmtxesSC4opzbmEV9lJmPwSHWxvyNXSK8/9ntIv 8T15ZK1PnGHKIaW48WErH/47wJRY8itJXSxsDCC1VDpHcuS3ovEuvnO/i+7dlclnAa5k D9W2ds7N4JRSTbOgdxCjCgW9rPEgI7ew+a7pooShyhtFixgNmJrVOCjR27Iha1SUGGXR xJv+HfCOdoYqcBrLj1lJl5qEnlSY1TVx9L53ibCszzCShfZYqJ6Xc2B8x/FdAqZt/9K1 4CFA== X-Gm-Message-State: AJIora98faboZt6EoG9xTun9oAE15ZN3Zn5yWNpmiQ9BQ+7BscbWGnxi FfvNNhEUr+B0DwEUrDoA/PE= X-Google-Smtp-Source: AGRyM1uxX09PPBW2F2Ve5hEmUYge6i2EYx09NheABWO/DbMTHVZ8M4EiHWU/Ay5mZjKCh3PMVRT2OQ== X-Received: by 2002:a17:902:d4c8:b0:16a:480b:b79c with SMTP id o8-20020a170902d4c800b0016a480bb79cmr235609plg.15.1656347843352; Mon, 27 Jun 2022 09:37:23 -0700 (PDT) Received: from ?IPV6:2620:15c:211:201:ebc3:3a94:fe74:44f0? ([2620:15c:211:201:ebc3:3a94:fe74:44f0]) by smtp.gmail.com with ESMTPSA id v19-20020aa78093000000b0051b693baadcsm7559184pff.205.2022.06.27.09.37.22 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 27 Jun 2022 09:37:22 -0700 (PDT) Message-ID: Date: Mon, 27 Jun 2022 09:37:21 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.10.0 Subject: Re: use-after-free in srpt_enable_tpg() Content-Language: en-US To: Mike Christie Cc: "lizhijian@fujitsu.com" , Jason Gunthorpe , Leon Romanovsky , "linux-rdma@vger.kernel.org" , "target-devel@vger.kernel.org" , open list References: <17649b9c-7e42-1625-8bc9-8ad333ab771c@fujitsu.com> From: Bart Van Assche In-Reply-To: <17649b9c-7e42-1625-8bc9-8ad333ab771c@fujitsu.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 6/27/22 00:09, lizhijian@fujitsu.com wrote: > So far, I doubt if the previous defect of configfs mentioned in > 9b64f7d0b: "(RDMA/srpt: Postpone HCA removal until after configfs > directory removal)" has got a better solution. if not, i have no a > clear mechanism to avoid it yet. > > feedbacks are very welcome. Mike, are you perhaps aware of any plans to add functions to the LIO core for removing tpg and wwn objects? Thanks, Bart.