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=-11.3 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 E0291C433DB for ; Thu, 28 Jan 2021 02:31:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9532F64DCD for ; Thu, 28 Jan 2021 02:31:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229578AbhA1Ca4 (ORCPT ); Wed, 27 Jan 2021 21:30:56 -0500 Received: from mail.kernel.org ([198.145.29.99]:45500 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229458AbhA1Cav (ORCPT ); Wed, 27 Jan 2021 21:30:51 -0500 Received: by mail.kernel.org (Postfix) with ESMTPS id 266A264DCC; Thu, 28 Jan 2021 02:30:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1611801011; bh=XdC0SwTH8F4VbZEujw8fnkZe7hmFy1gya8+FucKl9HI=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=bv9lhrGrSAdE5YIzsVzAr/VVmhgZMK5+ho+45IpcZ8p4BFQ+h6PtJCL85JnYSQEZU 4Bn6Upg3sqth2Nug8G1OkujTqOo0fQJzB0Yvuy33UUoUQLyrnrOb4PHNa38+7+Mtf2 W4mSgFcwDuAjfuReH4kLCcFhPFEhAw7x0tVMnMvLyq/Ps9/yQRYdBcExOQNUiS95ns AO00eb0WrIgETyKVhTnJPikI2OxCPAkjQMSjemwzP2NhzEmV2x/nvrEdJwPcPRVR4W Esn68hGTzENR9kUtFmGXNdphkAbXcnrYnxu3WR0QbsIqBftcOlu54DO1j7qF/ZGf++ srOnxscSiRbKQ== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH bpf-next v5 1/2] bpf: allow rewriting to ports under ip_unprivileged_port_start From: patchwork-bot+netdevbpf@kernel.org Message-Id: <161180101107.20337.1864637949509200235.git-patchwork-notify@kernel.org> Date: Thu, 28 Jan 2021 02:30:11 +0000 References: <20210127193140.3170382-1-sdf@google.com> In-Reply-To: <20210127193140.3170382-1-sdf@google.com> To: Stanislav Fomichev Cc: netdev@vger.kernel.org, bpf@vger.kernel.org, ast@kernel.org, daniel@iogearbox.net, rdna@fb.com, kafai@fb.com Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Hello: This series was applied to bpf/bpf-next.git (refs/heads/master): On Wed, 27 Jan 2021 11:31:39 -0800 you wrote: > At the moment, BPF_CGROUP_INET{4,6}_BIND hooks can rewrite user_port > to the privileged ones (< ip_unprivileged_port_start), but it will > be rejected later on in the __inet_bind or __inet6_bind. > > Let's add another return value to indicate that CAP_NET_BIND_SERVICE > check should be ignored. Use the same idea as we currently use > in cgroup/egress where bit #1 indicates CN. Instead, for > cgroup/bind{4,6}, bit #1 indicates that CAP_NET_BIND_SERVICE should > be bypassed. > > [...] Here is the summary with links: - [bpf-next,v5,1/2] bpf: allow rewriting to ports under ip_unprivileged_port_start https://git.kernel.org/bpf/bpf-next/c/772412176fb9 - [bpf-next,v5,2/2] selftests/bpf: verify that rebinding to port < 1024 from BPF works https://git.kernel.org/bpf/bpf-next/c/8259fdeb3032 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html