Received: by 2002:a05:7412:bbc7:b0:fc:a2b0:25d7 with SMTP id kh7csp1800332rdb; Sun, 4 Feb 2024 01:45:00 -0800 (PST) X-Google-Smtp-Source: AGHT+IENGfwHkswORSoGoIZn3znO4a3wPONllOnJt+GlTHpc5wHJGZ0j8VcBsk6tdw7teZjlm+os X-Received: by 2002:a17:903:904:b0:1d9:8b4f:90ab with SMTP id ll4-20020a170903090400b001d98b4f90abmr6497713plb.27.1707039899901; Sun, 04 Feb 2024 01:44:59 -0800 (PST) ARC-Seal: i=2; a=rsa-sha256; t=1707039899; cv=pass; d=google.com; s=arc-20160816; b=upFyicx9bGapSQF1V9F1V13GYjviGYJjqt+6A+ho3xufL36KiS0vn8Mc7AWFTrrFCC 3s3Gj2NMk7Fh8XFj0DEMdzZkZJZs/02+faS4z99Ej1vjxp8H3hwlizJDgQvAML0bdrt+ ziMDBLm430cdwlD3Qn4WJwSg8VlP97CLxfbjB3zjnFz2MtkeZOXFJlWs4E4EHdoRMdTH uHro130QWep3CPDP6sNWOmlrj6zZYiFwsZ/vcM5Lakn1ULF7SBRjLJHC7RTRyYI+JJ0P AcNHmvRM1zaWcwMUCpL+NTuG9UbQDui0litZE4+WtjEHvfEHpa4pgfOrdFuZ5Ykb7Q4M 9yrQ== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=in-reply-to:content-disposition:mime-version:list-unsubscribe :list-subscribe:list-id:precedence:references:message-id:subject:cc :to:from:date:dkim-signature; bh=IMyYVu8W7yQfrAVQlbSXxp7W9iR4M9hujCH5AivPmrI=; fh=444fAgbNmZSMo78AlFv4CUMgEUYBG4CTKT1glfLUpaY=; b=0G67+EWCplfjwBmCcnRkFMYp9Q/OzYjLO6RUU7owcaffFKmBDmEhcLaLhZywaHdwci s3ErzKeZIXevPpLZDiBFUszrFFHkXOaJB+9mdEH7lqTBXR11wX1Rq9hWJE//GnsT7AVI o7brTSAaF8KddvWBd23V1kLLRCh1+bARQUMYcn50cSTcc1tdHjLGdnu6BP8UB3hVY0RZ BLtr2gvQKjBXlfDyNN/IfCgs22HyeUTOo0NCN8VpYqlJPE+tzZoqtprz3CcGI4zBRIy9 djso3R4NFpi3qLgaiZBvXufkVpNte84I7dKT1EV+oNRR8exR1PqalFinnItum8oBfgLA h5Hg==; dara=google.com ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=KBFjMBl4; arc=pass (i=1 dkim=pass dkdomain=kernel.org); spf=pass (google.com: domain of linux-kernel+bounces-51564-linux.lists.archive=gmail.com@vger.kernel.org designates 139.178.88.99 as permitted sender) smtp.mailfrom="linux-kernel+bounces-51564-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org X-Forwarded-Encrypted: i=1; AJvYcCV1fY+oNKSnWucv63EdtpD5Xvc38+o1+7/pOo97v9Pxeeg24PQiFAtSOvOWp/3gD61PgjQvN9vsxbkVxd0+kfdmAIPDHg2l4Q/e/4I3TQ== Return-Path: Received: from sv.mirrors.kernel.org (sv.mirrors.kernel.org. [139.178.88.99]) by mx.google.com with ESMTPS id c2-20020a17090abf0200b00295da5ef7dasi2764585pjs.110.2024.02.04.01.44.59 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 04 Feb 2024 01:44:59 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-51564-linux.lists.archive=gmail.com@vger.kernel.org designates 139.178.88.99 as permitted sender) client-ip=139.178.88.99; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=KBFjMBl4; arc=pass (i=1 dkim=pass dkdomain=kernel.org); spf=pass (google.com: domain of linux-kernel+bounces-51564-linux.lists.archive=gmail.com@vger.kernel.org designates 139.178.88.99 as permitted sender) smtp.mailfrom="linux-kernel+bounces-51564-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sv.mirrors.kernel.org (Postfix) with ESMTPS id 89150282E90 for ; Sun, 4 Feb 2024 09:44:59 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id D7D2F18EB9; Sun, 4 Feb 2024 09:44:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="KBFjMBl4" Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 EEDBA18EAB; Sun, 4 Feb 2024 09:44:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707039891; cv=none; b=owWOyltnadFJMITFxxQaRbTHVuTFoix2QlTQUccTfvO+Wa4X2whynG8IGEqh+/ITfjelZA+nPqH5C2xKdrz/2LnbV4haJT6zV0ArjDZf7ZaxwT+UiUwxrNtq5MlJdIr3c/aMHBtbYSNC00Lj+CeKCW7F1OUZS+9e1tZiCJq2T04= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707039891; c=relaxed/simple; bh=YCcPHerLjGDl0BbYD/mn0R8vtWeZaXPkp3y96favmLI=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=r/esD0Q8FE5M+PeCAEsRg/5CV9O8d0t9FVqOXySsnBA4EuvSFy+8D562jnPQPLqqBut0yGeQFERVq79LRGu45gNG+aYgBOCeA+W0peo9pQveMQYjREcAfT/74omuYuK/H0hNmfaJOGv2H+kkgasPl14NUb1dpuzFyiarWEGCE6E= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=KBFjMBl4; arc=none smtp.client-ip=10.30.226.201 Received: by smtp.kernel.org (Postfix) with ESMTPSA id D9A40C433F1; Sun, 4 Feb 2024 09:44:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1707039890; bh=YCcPHerLjGDl0BbYD/mn0R8vtWeZaXPkp3y96favmLI=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=KBFjMBl4HtwVlXCO71isBNBGQOTRuxDXEylxnhktNuTMSpz5Rx2c3aJNLCZUATCcM 68Q8OJ/AgdEJ3CzsQ47V53tOfJNWUB8cTsxnzXZZ7EPA4j+2emDMErwl0VgXBeTDfb RK8r1J5g39GeqrXfE9EaiwqtCz+OHPzSt3k/edyL5s+f+cXQid4c5PmeJ42sl6fi+a g7yHfTsEddOqd+EN8jpx2uDBnifcL9mi6zTGeZ8cX1+tIphOcVLoXgFGcDufMcu/X8 EoTnYymXMw93ib2FLsRe/SHH+Sfs0a/ZLAvuMFReoma2WB0Zu+0qJgfVq6x2O4077C vSQPkXp3lLNNA== Date: Sun, 4 Feb 2024 11:44:46 +0200 From: Leon Romanovsky To: Bart Van Assche Cc: William Kucharski , Jason Gunthorpe , linux-rdma@vger.kernel.org, target-devel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/1] RDMA/srpt: Do not register event handler until srpt device is fully setup Message-ID: <20240204094446.GA5400@unreal> References: <20240131062438.869370-1-william.kucharski@oracle.com> <20240131062438.869370-2-william.kucharski@oracle.com> <894db19d-5287-4ed8-a0d9-0211b365eafa@acm.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <894db19d-5287-4ed8-a0d9-0211b365eafa@acm.org> On Thu, Feb 01, 2024 at 06:48:34AM -0800, Bart Van Assche wrote: > On 1/30/24 22:24, William Kucharski wrote: > > Upon rare occasions, KASAN reports a use-after-free Write > > in srpt_refresh_port(). > > > > This seems to be because an event handler is registered before the > > srpt device is fully setup and a race condition upon error may leave a > > partially setup event handler in place. > > > > Instead, only register the event handler after srpt device initialization > > is complete. > > A Fixes: tag is missing. Otherwise this patch looks good to me. Hence: I added this line: Fixes: a42d985bd5b2 ("ib_srpt: Initial SRP Target merge for v3.3-rc1") > > Reviewed-by: Bart Van Assche Thanks