Received: by 2002:a05:6512:2355:0:0:0:0 with SMTP id p21csp2418380lfu; Fri, 25 Mar 2022 00:23:29 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyJyxzZ7aKoUoshoUEpTP0/cn9uKNVC9f0VYAXLNDTdHYmMx6adP7+etrb4f9MRDVN82JUj X-Received: by 2002:a05:6402:440d:b0:412:9e8a:5e51 with SMTP id y13-20020a056402440d00b004129e8a5e51mr11518359eda.362.1648193009495; Fri, 25 Mar 2022 00:23:29 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1648193009; cv=none; d=google.com; s=arc-20160816; b=zYv8iM1bMF204UGQSZSaEZPh8mBYjqmGyKMlARyXDteGDO9gOjFAMo0uUURoFdLnS7 MpeGjr0aawgSPoS7WmmYzp7vPWD+YxY4YzFViqlX70UgvVoxOdMqUZgx//k9FYZSgIw0 DAEDosOcHEBWJCLNWy1mMQM1jMcAZ8J4gta+X8FAmjc6gfiIDTGO3YCOqeut3cRzgSar K4gEdY1C78dtPPftkeyq/T9JQy+/6oNfE0l9UFd6FegAWT89G3/yZ70CAS9xgR2UQH7t z5ixPAXbRWFQoS38pY9Epya2I6ccWJLj6//4fmElUUaFIVn9sNgU9132KRbhkHQ68pT8 S8Gw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:in-reply-to:from :references:cc:to:content-language:subject:user-agent:mime-version :date:message-id:dkim-signature; bh=Tt/SqUUAabCfrKOj3ZmKo00ir/Hdf+gvpwIpDHz4tJ0=; b=j0GzaYzJbM277VevX7Mt8r4VKSne+pIpA6HtGEnSUKBlqjxdtZaaB6Vo230sxBjODR Pwa558+HZstnfU5tpS5rG2GVV8kIho+5H7dpp2HnVnoJaiNBB6SP1wCVqj9tcBkgJ9pK RG2HOST4b/2LVJHwcmBHVv1BhFaOb9im5SiRVgjrXei8Bf3bvBV6lHqUPGPAZwxQCWu5 1XSVw19IF+7v2Osco+pppFucDON+i3CC4FBWBuDGfiEcd4rq0wGMFLdMij4aYnud9vRa lDfvn5F8n64dEFuhCkmo9A7ghYFG0vFztWURNUt8pFEysIYPsDIyuuD3LGOtUW51oZQZ jAzw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@isovalent-com.20210112.gappssmtp.com header.s=20210112 header.b=u0r3dKDi; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id se3-20020a170906ce4300b006df78d9d61dsi1677936ejb.167.2022.03.25.00.23.03; Fri, 25 Mar 2022 00:23:29 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@isovalent-com.20210112.gappssmtp.com header.s=20210112 header.b=u0r3dKDi; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236021AbiCVPzg (ORCPT + 99 others); Tue, 22 Mar 2022 11:55:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55542 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236030AbiCVPzd (ORCPT ); Tue, 22 Mar 2022 11:55:33 -0400 Received: from mail-wr1-x432.google.com (mail-wr1-x432.google.com [IPv6:2a00:1450:4864:20::432]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 958F4D6D for ; Tue, 22 Mar 2022 08:54:04 -0700 (PDT) Received: by mail-wr1-x432.google.com with SMTP id t11so24062723wrm.5 for ; Tue, 22 Mar 2022 08:54:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=isovalent-com.20210112.gappssmtp.com; s=20210112; h=message-id:date:mime-version:user-agent:subject:content-language:to :cc:references:from:in-reply-to:content-transfer-encoding; bh=Tt/SqUUAabCfrKOj3ZmKo00ir/Hdf+gvpwIpDHz4tJ0=; b=u0r3dKDia8A+bA6cPKHpTBTKwD8N19KhhoGEYRUXhw3CSMkJMsRPQZh8wfIE72d8aX 8ACa6BFIpZ93AvJqplhYepzpe5Mdn7exXF5SvCXtpLwZB8NEaRAuxTgyVZ5mWWcW+fKS eXNmuJ8wqRqdtzF5yNrJ4seI0UoLO+Byx317CiZ0GRbLZoIsi8ImcLXetNR/2yfzX94V /G5QBSQup2v9d7WqPHbfT/+DFUkY6p6WzBWw//hnQW5rJ5mLkSi3KzDwPIzw5TPqm3FP +Un0m04g2I3URHC4zzHt6eJOMYm6YOuaJlvlEc8xIBVZzTeE3ooTQx99RagBk3rtEJg6 CUTA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=Tt/SqUUAabCfrKOj3ZmKo00ir/Hdf+gvpwIpDHz4tJ0=; b=mTqBtHpdrO/cFJeo8O+sy/IJiJDJB0FuDeMoVdHb0EWzuAgVIniKvXB5Af6ZIO9J/l uH+Y/oW/5/hTc4vpSrGVFZKG4DAG2Ql344+4N7kDP0O7vFRnwbQZf6ShnEtJkRBttJMa VBhDeQZF16xGr4HGx9J5SuWRXbzfhoq77eLjITvY6UlTrdkzBgeCOtEgKr3jtwgs++r9 uSSZxurmQIkMubnnMtyhV6ZLb0sagg87S1yW7SLA46O3GrhoxPaYROCEqFAdHxv+K2DO njmFmvRpAIM2BVP2ZxL/qSM3iiaQ9y18qK6zu3LmZwx6Xnx1GDmr5mdsizMh0Mogyro9 H7xg== X-Gm-Message-State: AOAM531u4Csav8X2E8Eq9sryUujA3WMGZ9zl2cw3nkYOOwJydEDkLHIW DwuhSshQOJhfczK4zOajBatPbg== X-Received: by 2002:adf:90e9:0:b0:204:2ee:7d5 with SMTP id i96-20020adf90e9000000b0020402ee07d5mr12944907wri.536.1647964443149; Tue, 22 Mar 2022 08:54:03 -0700 (PDT) Received: from ?IPV6:2a02:168:f656:0:b0e1:d1e9:8b3d:5512? ([2a02:168:f656:0:b0e1:d1e9:8b3d:5512]) by smtp.gmail.com with ESMTPSA id v10-20020a056000144a00b00203df06cf9bsm16606795wrx.106.2022.03.22.08.54.01 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 22 Mar 2022 08:54:02 -0700 (PDT) Message-ID: Date: Tue, 22 Mar 2022 15:54:01 +0000 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.7.0 Subject: Re: [PATCH bpf-next] bpf/bpftool: add unprivileged_bpf_disabled check against value of 2 Content-Language: en-GB To: Milan Landaverde Cc: Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , KP Singh , Paul Chaignon , =?UTF-8?Q?Niklas_S=c3=b6derlund?= , netdev@vger.kernel.org, bpf@vger.kernel.org, linux-kernel@vger.kernel.org References: <20220322145012.1315376-1-milan@mdaverde.com> From: Quentin Monnet In-Reply-To: <20220322145012.1315376-1-milan@mdaverde.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,NICE_REPLY_A,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS, T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 2022-03-22 10:49 UTC-0400 ~ Milan Landaverde > In [1], we added a kconfig knob that can set > /proc/sys/kernel/unprivileged_bpf_disabled to 2 > > We now check against this value in bpftool feature probe > > [1] https://lore.kernel.org/bpf/74ec548079189e4e4dffaeb42b8987bb3c852eee.1620765074.git.daniel@iogearbox.net > > Signed-off-by: Milan Landaverde Acked-by: Quentin Monnet Thanks!