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=-4.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED 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 4F9EFC282C0 for ; Wed, 23 Jan 2019 11:33:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2161120861 for ; Wed, 23 Jan 2019 11:33:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727166AbfAWLdL (ORCPT ); Wed, 23 Jan 2019 06:33:11 -0500 Received: from www62.your-server.de ([213.133.104.62]:59828 "EHLO www62.your-server.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726317AbfAWLdK (ORCPT ); Wed, 23 Jan 2019 06:33:10 -0500 Received: from [88.198.220.130] (helo=sslproxy01.your-server.de) by www62.your-server.de with esmtpsa (TLSv1.2:DHE-RSA-AES256-GCM-SHA384:256) (Exim 4.89_1) (envelope-from ) id 1gmGmH-0004MV-Uw; Wed, 23 Jan 2019 12:33:06 +0100 Received: from [62.203.87.61] (helo=linux.home) by sslproxy01.your-server.de with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.89) (envelope-from ) id 1gmGmH-0004rY-Kl; Wed, 23 Jan 2019 12:33:05 +0100 Subject: Re: [PATCH v2 bpf] bpf: sock recvbuff must be limited by rmem_max in bpf_setsockopt() To: Yafang Shao , kafai@fb.com, brakmo@fb.com, ast@kernel.org Cc: netdev@vger.kernel.org, shaoyafang@didiglobal.com References: <1548218239-31223-1-git-send-email-laoar.shao@gmail.com> From: Daniel Borkmann Message-ID: Date: Wed, 23 Jan 2019 12:33:05 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.3.0 MIME-Version: 1.0 In-Reply-To: <1548218239-31223-1-git-send-email-laoar.shao@gmail.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Authenticated-Sender: daniel@iogearbox.net X-Virus-Scanned: Clear (ClamAV 0.100.2/25323/Wed Jan 23 03:43:38 2019) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On 01/23/2019 05:37 AM, Yafang Shao wrote: > When sock recvbuff is set by bpf_setsockopt(), the value must by limited > by rmem_max. > It is the same with sendbuff. > > Fixes: 8c4b4c7e9ff0 ("bpf: Add setsockopt helper function to bpf") > Acked-by: Martin KaFai Lau > Acked-by: Lawrence Brakmo > Signed-off-by: Yafang Shao Applied, thanks!