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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8E553C433F5 for ; Thu, 6 Oct 2022 07:15:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230318AbiJFHP4 (ORCPT ); Thu, 6 Oct 2022 03:15:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58828 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230247AbiJFHPm (ORCPT ); Thu, 6 Oct 2022 03:15:42 -0400 Received: from frasgout13.his.huawei.com (frasgout13.his.huawei.com [14.137.139.46]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2A1A64B986; Thu, 6 Oct 2022 00:15:32 -0700 (PDT) Received: from mail02.huawei.com (unknown [172.18.147.229]) by frasgout13.his.huawei.com (SkyGuard) with ESMTP id 4MjjHD5grrz9yFGb; Thu, 6 Oct 2022 15:09:28 +0800 (CST) Received: from roberto-ThinkStation-P620 (unknown [10.204.63.22]) by APP2 (Coremail) with SMTP id GxC2BwD3c153gD5jT52hAA--.1959S2; Thu, 06 Oct 2022 08:15:12 +0100 (CET) Message-ID: Subject: Re: Closing the BPF map permission loophole From: Roberto Sassu To: Lorenz Bauer , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko , Martin KaFai Lau , KP Singh , Stanislav Fomichev Cc: bpf@vger.kernel.org, linux-security-module@vger.kernel.org, Paul Moore , Casey Schaufler Date: Thu, 06 Oct 2022 09:15:01 +0200 In-Reply-To: <21be7356-8710-408a-94e3-1a0d3f5f842e@www.fastmail.com> References: <21be7356-8710-408a-94e3-1a0d3f5f842e@www.fastmail.com> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.36.5-0ubuntu1 MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-CM-TRANSID: GxC2BwD3c153gD5jT52hAA--.1959S2 X-Coremail-Antispam: 1UD129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7v73 VFW2AGmfu7bjvjm3AaLaJ3UjIYCTnIWjp_UUUYU7kC6x804xWl14x267AKxVW8JVW5JwAF c2x0x2IEx4CE42xK8VAvwI8IcIk0rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2ocxC64kIII 0Yj41l84x0c7CEw4AK67xGY2AK021l84ACjcxK6xIIjxv20xvE14v26r1j6r1xM28EF7xv wVC0I7IYx2IY6xkF7I0E14v26r4j6F4UM28EF7xvwVC2z280aVAFwI0_Gr0_Cr1l84ACjc xK6I8E87Iv6xkF7I0E14v26r4j6r4UJwAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40E FcxC0VAKzVAqx4xG6I80ewAv7VC0I7IYx2IY67AKxVWUJVWUGwAv7VC2z280aVAFwI0_Jr 0_Gr1lOx8S6xCaFVCjc4AY6r1j6r4UM4x0Y48IcVAKI48JM4IIrI8v6xkF7I0E8cxan2IY 04v7MxAIw28IcxkI7VAKI48JMxC20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI 0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUtVW8ZwCIc40Y 0x0EwIxGrwCI42IY6xIIjxv20xvE14v26r1j6r1xMIIF0xvE2Ix0cI8IcVCY1x0267AKxV W8JVWxJwCI42IY6xAIw20EY4v20xvaj40_WFyUJVCq3wCI42IY6I8E87Iv67AKxVWUJVW8 JwCI42IY6I8E87Iv6xkF7I0E14v26r4j6r4UJbIYCTnIWIevJa73UjIFyTuYvjxUrR6zUU UUU X-CM-SenderInfo: purev21wro2thvvxqx5xdzvxpfor3voofrz/1tbiAQARBF1jj4Ph4gABsk X-CFilter-Loop: Reflected Precedence: bulk List-ID: On Wed, 2022-09-28 at 09:54 +0100, Lorenz Bauer wrote: > On Thu, 15 Sep 2022, at 11:30, Lorenz Bauer wrote: > > Hi list, > > > > Here is a summary of the talk I gave at LPC '22 titled "Closing the > > BPF > > map permission loophole", with slides at [0]. > > I've put this topic on the agenda of the 2022-10-06 BPF office hours > to get some maintainer attention. Details are here: > https://docs.google.com/spreadsheets/d/1LfrDXZ9-fdhvPEp_LHkxAMYyxxpwBXjywWa0AejEveU/edit Thanks for setting this up. I would include security people, they might be interested as well to join. Roberto