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 87630C47092 for ; Tue, 1 Jun 2021 05:20:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 71570610A1 for ; Tue, 1 Jun 2021 05:20:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232944AbhFAFWS (ORCPT ); Tue, 1 Jun 2021 01:22:18 -0400 Received: from mail.kernel.org ([198.145.29.99]:35806 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232635AbhFAFWM (ORCPT ); Tue, 1 Jun 2021 01:22:12 -0400 Received: by mail.kernel.org (Postfix) with ESMTPS id 1DF2E61376; Tue, 1 Jun 2021 05:20:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1622524805; bh=3mRFCANUC8Pzollbo28QfaNnYdZ9zliC79euuilBPgg=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=WcPW1aq7QdZ8iMhg4NnVvX75JHh0Cppg7H9whqwtGvqRoeLf4IXuYDQOJ9uJxB2Ix l7Z7ieI1nMeJgo+b6EGz4ztA1h3+ucAjAxHd1xDiWZvRfxURBYbfeatr96jfBT7R8B 9n/H8x9NrDHsm6zIB61kzNgb3uF/QdtiXYE75Ihp8hhgKJFG+ODc1+anuFWB7/QTEP ytbb9xD0ux+9gGhXdHzo4XXaK1puB/njuPCu7hogEdT+c/06+4hO5tUBV3BJI2L8tB UdHZNnTiKxMGqoOxWW2DgT55PVq48MjC+e6ciZ5SrzJ5Tf1XEE01PThUvflyLq1ASm 1ikfnEUBKyQcw== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH net-next] ipv6: use prandom_u32() for ID generation From: patchwork-bot+netdevbpf@kernel.org Message-Id: <162252480507.23898.17168292577434341829.git-patchwork-notify@kernel.org> Date: Tue, 01 Jun 2021 05:20:05 +0000 References: <20210529110746.6796-1-w@1wt.eu> In-Reply-To: <20210529110746.6796-1-w@1wt.eu> To: Willy Tarreau Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, davem@davemloft.net, kuba@kernel.org, kuznet@ms2.inr.ac.ru, yoshfuji@linux-ipv6.org, aksecurity@gmail.com, edumazet@google.com Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Hello: This patch was applied to netdev/net-next.git (refs/heads/master): On Sat, 29 May 2021 13:07:46 +0200 you wrote: > This is a complement to commit aa6dd211e4b1 ("inet: use bigger hash > table for IP ID generation"), but focusing on some specific aspects > of IPv6. > > Contary to IPv4, IPv6 only uses packet IDs with fragments, and with a > minimum MTU of 1280, it's much less easy to force a remote peer to > produce many fragments to explore its ID sequence. In addition packet > IDs are 32-bit in IPv6, which further complicates their analysis. On > the other hand, it is often easier to choose among plenty of possible > source addresses and partially work around the bigger hash table the > commit above permits, which leaves IPv6 partially exposed to some > possibilities of remote analysis at the risk of weakening some > protocols like DNS if some IDs can be predicted with a good enough > probability. > > [...] Here is the summary with links: - [net-next] ipv6: use prandom_u32() for ID generation https://git.kernel.org/netdev/net-next/c/62f20e068ccc You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html