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=-5.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 CE7D5C433E6 for ; Fri, 15 Jan 2021 12:51:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A6C46223E0 for ; Fri, 15 Jan 2021 12:51:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388261AbhAOMus (ORCPT ); Fri, 15 Jan 2021 07:50:48 -0500 Received: from mga11.intel.com ([192.55.52.93]:25301 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387823AbhAOMup (ORCPT ); Fri, 15 Jan 2021 07:50:45 -0500 IronPort-SDR: 6G06CakxgiTh+QML2R+ZAZBbyYUCumaTQ9wVTy9EFHqMFrUr3QMSikcHfki2/1u8UJ+ddIjUff CIob1rVbc/+Q== X-IronPort-AV: E=McAfee;i="6000,8403,9864"; a="175038398" X-IronPort-AV: E=Sophos;i="5.79,349,1602572400"; d="scan'208";a="175038398" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Jan 2021 04:50:04 -0800 IronPort-SDR: dpfUTDQvsp3I5TtXyYQrGXEQrA9qpLvEe95dX581oclfNQ7ngDPOXccSuKu8Nj2ycuNTds1KVI aA9ucku9Rl2w== X-IronPort-AV: E=Sophos;i="5.79,349,1602572400"; d="scan'208";a="382652210" Received: from crlyons-mobl2.ger.corp.intel.com (HELO btopel-mobl.ger.intel.com) ([10.252.51.162]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Jan 2021 04:49:58 -0800 Subject: Re: general protection fault in xsk_recvmsg To: syzbot , andrii@kernel.org, ast@kernel.org, bpf@vger.kernel.org, daniel@iogearbox.net, davem@davemloft.net, hawk@kernel.org, johannes.berg@intel.com, johannes@sipsolutions.net, john.fastabend@gmail.com, jonathan.lemon@gmail.com, kafai@fb.com, kpsingh@chromium.org, kuba@kernel.org, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, magnus.karlsson@intel.com, netdev@vger.kernel.org, songliubraving@fb.com, syzkaller-bugs@googlegroups.com, yhs@fb.com References: <000000000000ee881505b8e27cf2@google.com> From: =?UTF-8?B?QmrDtnJuIFTDtnBlbA==?= Message-ID: Date: Fri, 15 Jan 2021 13:49:53 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.5.0 MIME-Version: 1.0 In-Reply-To: <000000000000ee881505b8e27cf2@google.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org #syz fix: xsk: Validate socket state in xsk_recvmsg, prior touching socket members