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 X-Spam-Level: X-Spam-Status: No, score=-11.4 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CC332C433E6 for ; Tue, 2 Feb 2021 04:01:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A476664D92 for ; Tue, 2 Feb 2021 04:01:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231470AbhBBEAv (ORCPT ); Mon, 1 Feb 2021 23:00:51 -0500 Received: from mail.kernel.org ([198.145.29.99]:46716 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230168AbhBBEAs (ORCPT ); Mon, 1 Feb 2021 23:00:48 -0500 Received: by mail.kernel.org (Postfix) with ESMTPS id 82A1D64ED3; Tue, 2 Feb 2021 04:00:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1612238407; bh=zuhCPkf5QFbIWBkMc2pWKRatlh1UIvV/sLTyAQn4Qxg=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=QaTEPFkJE6fV/hW5FLb6QDbgJt5SFQz0BeGQvq1YHqlgz9htL2tDII4WnbNkmpAvl zoMxD7JjGZTBiM96sftCvjDskOl4jsHOgzQFVc4es8X1Oce3rBs2r29la4vOwlJfHW iGkhVH7SBAV4xROUvc93MUyjfaP9fXShihKEMks3mrLUEY10P1cBTJyhP41v6ifr03 qXvs4V3Xef1f4XTd1Lmboz8mD/XmaPexy6XJipM159DTK0ACtMD/Y/wuGxMiQ0isvT zJjpH+se9XN+uhme5QBT1TCkAaYbiXtbXK7AtKmfuVLUuMKyz0obXLb5bv/fbr5RFS XwdrejZakLsHw== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH v2 1/1] vsock: fix the race conditions in multi-transport support From: patchwork-bot+netdevbpf@kernel.org Message-Id: <161223840744.29348.6975246146992657399.git-patchwork-notify@kernel.org> Date: Tue, 02 Feb 2021 04:00:07 +0000 References: <20210201084719.2257066-1-alex.popov@linux.com> In-Reply-To: <20210201084719.2257066-1-alex.popov@linux.com> To: Alexander Popov Cc: davem@davemloft.net, kuba@kernel.org, sgarzare@redhat.com, jhansen@vmware.com, stefan@datenfreihafen.org, jeffv@google.com, greg@kroah.com, torvalds@linuxfoundation.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello: This patch was applied to netdev/net.git (refs/heads/master): On Mon, 1 Feb 2021 11:47:19 +0300 you wrote: > There are multiple similar bugs implicitly introduced by the > commit c0cfa2d8a788fcf4 ("vsock: add multi-transports support") and > commit 6a2c0962105ae8ce ("vsock: prevent transport modules unloading"). > > The bug pattern: > [1] vsock_sock.transport pointer is copied to a local variable, > [2] lock_sock() is called, > [3] the local variable is used. > VSOCK multi-transport support introduced the race condition: > vsock_sock.transport value may change between [1] and [2]. > > [...] Here is the summary with links: - [v2,1/1] vsock: fix the race conditions in multi-transport support https://git.kernel.org/netdev/net/c/c518adafa39f You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html