From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D47368F57 for ; Thu, 31 Aug 2023 19:26:37 +0000 (UTC) Received: from www62.your-server.de (www62.your-server.de [213.133.104.62]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DC289E66 for ; Thu, 31 Aug 2023 12:26:34 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=iogearbox.net; s=default2302; h=Content-Transfer-Encoding:Content-Type: In-Reply-To:MIME-Version:Date:Message-ID:From:References:Cc:To:Subject:Sender :Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID; bh=V+shiyl3L6Vu56ksNxktVVXQIfHGFAjPj3cWWl6lKN0=; b=lYyidfXt2fJP6JEM1vVcWxOt1o 2aUh8+Xlgh65qbwkJkx8WjuaPB6sZRw4W/lhKusOVrEf3E3YruycjLIU2bEsN+vD5B+k292XEY6VZ 8iQ8jwZ4YldeAAY91TZNHJ2KRm9nrwBYhV3QJQb4sc3YtT56g6dRxrNrGShrB3f5DCn24FQWqqgRY 1VzkPwXaIeEs7l8gCIwZH93lVoIt26EdtGHOl5ZyQcl1z88/OiRs/cSNCqF2NahWVrvMeufSQnfvD Fa+QPmMk55W9FYeCxwHWFaOpD3f0JdH0O3mLHQs1cTEA4eJF5oaRiGQ7ScQ1fpIlvxqr/guKXfJ34 Uq092wEg==; Received: from sslproxy06.your-server.de ([78.46.172.3]) by www62.your-server.de with esmtpsa (TLS1.3) tls TLS_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1qbnJI-000Pnm-CM; Thu, 31 Aug 2023 21:26:32 +0200 Received: from [178.197.249.54] (helo=linux.home) by sslproxy06.your-server.de with esmtpsa (TLSv1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1qbnJI-000WWQ-GP; Thu, 31 Aug 2023 21:26:32 +0200 Subject: Re: Stable Backport: net: Avoid address overwrite in kernel_connect To: Jordan Rife Cc: netdev@vger.kernel.org, gregkh@linuxfoundation.org References: From: Daniel Borkmann Message-ID: <7702c74e-482f-cd89-1d12-fb6869bd53f2@iogearbox.net> Date: Thu, 31 Aug 2023 21:26:31 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.2 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 In-Reply-To: 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 0.103.8/27017/Thu Aug 31 09:40:48 2023) X-Spam-Status: No, score=-5.6 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net [ Adding Greg to Cc ] On 8/31/23 8:47 PM, Jordan Rife wrote: > Upstream Commit ID: 0bdf399342c5acbd817c9098b6c7ed21f1974312 > Patchwork Link: > https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next.git/commit/?id=0bdf399342c5 > Requested Kernel Versions: 4.19, 5.4, 5.10, 5.15, 6.1, 6.4, 6.5 > > This patch addresses an incompatibility between eBPF connect4/connect6 > programs and kernel space clients such as NFS. At present, the issue > this patch fixes is a blocker for users that want to combine NFS with > Cilium. The fix has been applied upstream but the same bug exists with > older kernels. > > -Jordan >