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=-2.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,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 D9387C433E1 for ; Thu, 9 Jul 2020 20:07:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BC5F520720 for ; Thu, 9 Jul 2020 20:07:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726755AbgGIUHK (ORCPT ); Thu, 9 Jul 2020 16:07:10 -0400 Received: from www62.your-server.de ([213.133.104.62]:49774 "EHLO www62.your-server.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726290AbgGIUHJ (ORCPT ); Thu, 9 Jul 2020 16:07:09 -0400 Received: from sslproxy01.your-server.de ([78.46.139.224]) by www62.your-server.de with esmtpsa (TLSv1.2:DHE-RSA-AES256-GCM-SHA384:256) (Exim 4.89_1) (envelope-from ) id 1jtcp1-00018j-Ig; Thu, 09 Jul 2020 22:07:07 +0200 Received: from [178.196.57.75] (helo=pc-9.home) by sslproxy01.your-server.de with esmtpsa (TLSv1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1jtcp1-000L3z-D7; Thu, 09 Jul 2020 22:07:07 +0200 Subject: Re: [PATCH v2 bpf 0/2] bpf: net: Fixes in sk_user_data of reuseport_array To: Martin KaFai Lau , bpf@vger.kernel.org Cc: Alexei Starovoitov , kernel-team@fb.com, netdev@vger.kernel.org References: <20200709061057.4018499-1-kafai@fb.com> From: Daniel Borkmann Message-ID: Date: Thu, 9 Jul 2020 22:07:06 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.2 MIME-Version: 1.0 In-Reply-To: <20200709061057.4018499-1-kafai@fb.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Authenticated-Sender: daniel@iogearbox.net X-Virus-Scanned: Clear (ClamAV 0.102.3/25868/Thu Jul 9 15:58:00 2020) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On 7/9/20 8:10 AM, Martin KaFai Lau wrote: > This set fixes two issues on sk_user_data when a sk is added to > a reuseport_array. > > The first patch is to avoid the sk_user_data being copied > to a cloned sk. The second patch avoids doing bpf_sk_reuseport_detach() > on sk_user_data that is not managed by reuseport_array. > > Since the changes are mostly related to bpf reuseport_array, so it is > currently tagged as bpf fixes. > > v2: > - Avoid ~3UL (Andrii) > > Martin KaFai Lau (2): > bpf: net: Avoid copying sk_user_data of reuseport_array during > sk_clone > bpf: net: Avoid incorrect bpf_sk_reuseport_detach call > > include/net/sock.h | 3 ++- > kernel/bpf/reuseport_array.c | 14 ++++++++++---- > 2 files changed, 12 insertions(+), 5 deletions(-) > Applied, thanks!