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=-10.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT 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 3BE14C5519F for ; Wed, 18 Nov 2020 14:37:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B6D6320DD4 for ; Wed, 18 Nov 2020 14:37:21 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="skoTceNe" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726489AbgKROhV (ORCPT ); Wed, 18 Nov 2020 09:37:21 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40148 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726384AbgKROhV (ORCPT ); Wed, 18 Nov 2020 09:37:21 -0500 Received: from mail-wr1-x442.google.com (mail-wr1-x442.google.com [IPv6:2a00:1450:4864:20::442]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BCC59C0613D4; Wed, 18 Nov 2020 06:37:20 -0800 (PST) Received: by mail-wr1-x442.google.com with SMTP id 23so2406588wrc.8; Wed, 18 Nov 2020 06:37:20 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=mSNOadgDuSf0Kh14ug+1LzuE2/ssSyJri8G52JsgkEU=; b=skoTceNe0Ys7CdTFmrbPMoSzxw36XxYP/OqxOMPRsGFlce7W12fndwkIttkaTHC0xt eVDgpVZofJUqGP/0PehwZm4Av+CkyR7zrN0T+nVD12vutYDF60dqVIGMdktry9cOPHTL LXoVQWyy6gfik0HUs4/DKl2uhw8u3Dtue7wsJwY79aUr+RUQLeH+dDR/vEcp7LLF/lYn JeULTOkuIl52Bw0kK00+59899mUV2TrWRssdR6T1xUwovQmAQCdvk3wiXBZ0WTREFNYM eHMS1fbL2PVJG6oU3H5r6oRzWB9uOcuzpgHwczIpv9gBbIoDy+5TkeEQXlmT4//x5EMJ J6+A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=mSNOadgDuSf0Kh14ug+1LzuE2/ssSyJri8G52JsgkEU=; b=J3l7J+ekftXxPu2WAldLda1Iwi9QARzkqbBK8/+s0JaUf+y7btJw8Ho/h4k/94eq3x a73dCTrqiCar/RyV/gLSnd+By3ldy9zReSG6IfLg0TA76WrmFxqwJ4AYtump34111inK vE4wSpNJgI8ayzeN4ZPcrXgZVquuS3xnk2vjWknSsLkjlO9EmGRVtvtwxua8cyNLHo0e Ef/MZPnaSqKwD+WQ+9LlMQOy4dru+u6Lhw0nMbFlkAGH7LiioytnMS0RzUf3DSyivHaN fjRoNV3qq7Sleq7mc2AE7Fc6iJtafLAlhpV96KcwsWmQWwymEwCkaHElE1jHUr9vEyOK Mw4Q== X-Gm-Message-State: AOAM531+V/kYSao80kzXTgEXNqpl/C4VWFNyLVopJwTlZYfJFmmEXOPj tmWhI4luhEoxPNbXQ/SX9f/ruUVx5jrwoQ== X-Google-Smtp-Source: ABdhPJxscJcibGGUE5w7byT1afNZFElBH1a4Ocqe7CuqBFC4r4gZA/9IdVWBdz1tEmGCgkst+hPgbA== X-Received: by 2002:a5d:4e4c:: with SMTP id r12mr5152053wrt.348.1605710234269; Wed, 18 Nov 2020 06:37:14 -0800 (PST) Received: from localhost.localdomain (host-82-51-6-75.retail.telecomitalia.it. [82.51.6.75]) by smtp.gmail.com with ESMTPSA id w10sm34795307wra.34.2020.11.18.06.37.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 18 Nov 2020 06:37:13 -0800 (PST) From: "Andrea Parri (Microsoft)" To: linux-kernel@vger.kernel.org Cc: "K . Y . Srinivasan" , Haiyang Zhang , Stephen Hemminger , Wei Liu , linux-hyperv@vger.kernel.org, Michael Kelley , Juan Vazquez , Saruhan Karademir , "Andrea Parri (Microsoft)" Subject: [PATCH 0/6] Drivers: hv: vmbus: More VMBus-hardening changes Date: Wed, 18 Nov 2020 15:36:43 +0100 Message-Id: <20201118143649.108465-1-parri.andrea@gmail.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-hyperv@vger.kernel.org Hi all, This set is a continuation of the work for hardening the VMBus drivers against an erroneous or malicious host. This is based on hyperv-next. Thanks, Andrea Andrea Parri (Microsoft) (6): Drivers: hv: vmbus: Initialize memory to be sent to the host Drivers: hv: vmbus: Avoid double fetch of msgtype in vmbus_on_msg_dpc() Drivers: hv: vmbus: Avoid double fetch of payload_size in vmbus_on_msg_dpc() Drivers: hv: vmbus: Avoid use-after-free in vmbus_onoffer_rescind() Drivers: hv: vmbus: Resolve race condition in vmbus_onoffer_rescind() Drivers: hv: vmbus: Do not allow overwriting vmbus_connection.channels[] drivers/hv/channel.c | 4 ++-- drivers/hv/channel_mgmt.c | 45 +++++++++++++++++++++++++++------------ drivers/hv/hyperv_vmbus.h | 2 +- drivers/hv/vmbus_drv.c | 33 ++++++++++++++++------------ include/linux/hyperv.h | 1 + 5 files changed, 54 insertions(+), 31 deletions(-) -- 2.25.1