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=-13.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_IN_DEF_DKIM_WL autolearn=no 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 8D3DEC4338F for ; Wed, 28 Jul 2021 18:57:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6BCE360F9B for ; Wed, 28 Jul 2021 18:57:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231334AbhG1S50 (ORCPT ); Wed, 28 Jul 2021 14:57:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45186 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231231AbhG1S5Z (ORCPT ); Wed, 28 Jul 2021 14:57:25 -0400 Received: from mail-lj1-x22f.google.com (mail-lj1-x22f.google.com [IPv6:2a00:1450:4864:20::22f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 42543C061765 for ; Wed, 28 Jul 2021 11:57:23 -0700 (PDT) Received: by mail-lj1-x22f.google.com with SMTP id m9so4287029ljp.7 for ; Wed, 28 Jul 2021 11:57:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=Wz3zSkFzjQntghr6ZqIZrO9ooDQ8NkXIW4sIoKf9LII=; b=erh9WZmKaNqQHnCbDmc/UVs3PMxojFdDOnh2teaK7xiadq49gjo61tfLnlD89XfG5M bkj9NDS9bdOTyv47cYV1oKYWM7mTogJCf2sLZ7aruoxXpg/bXq+8ZX4UAWWoy8hBb0qD kkfEqNi0r/geKhsh/ofHJskphQg6DBJp2cq+571fOPH4De6pRgYcyuSXIzi4boCT2JyK rEc3zTIUhFoIYcQkW4wgTtR1FDOpTilTlFoOk0zGZGSO+edUVpxnw/kcahOaiU9WaWsg hzSREd9n5DgchC5LT3CoqasYvaWNLWTfMI/MsW12AI+ZV4GWp+ZfdayXl9MCteyw2MH7 /RIA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=Wz3zSkFzjQntghr6ZqIZrO9ooDQ8NkXIW4sIoKf9LII=; b=DL+Dk2P94ObqA2Hsuk6VmLww/SoNBys50npUZtdaw4JhJN2gBF0xrUTFt8r0UP9zcA E7052ENeTSf2T+Ny16D15vzHdgZiTDbrPjCxrScT/wvAzg9ee3qs+fRxJoD8QFjsw9q4 B85Br2EM5voaEOtQVfNtzCD9/P4KH2oiBy6jx03ktZH21Bv+SrOAwG/86t26BiSy0TPw pymLdmPY9fr4LhwuSMxS7ViaxVENFxX520JbHdtrVfukG7vbOLnlCaGt01JKL8ojwdB6 j1BAhTVQJlb4Nj3R0Pzbu/AcpI8FZmR8wDQ0sc0xA1wjqtE9WTgiRj1M/wa2Rnv3nJFI mnzQ== X-Gm-Message-State: AOAM531aEZtDLVVw7Zw0F1m3jGe8fOexKt6X8Yyciur+LJG6KffNLW56 REARh55R5Bdhff4xovN9/+LjJsTYMg1vYmVu4ZN9uw== X-Google-Smtp-Source: ABdhPJzmD03VSAkTiDzk+W1Cgj85XGNlk2DPLdChRVx0hZZjmdQyZoM+U7EvgM2sc2Yr0a1ObQMzPP1l5SAUXRd4k2c= X-Received: by 2002:a2e:8887:: with SMTP id k7mr735557lji.226.1627498641274; Wed, 28 Jul 2021 11:57:21 -0700 (PDT) MIME-Version: 1.0 References: <20210715055923.43126-1-xiyou.wangcong@gmail.com> <202107230000.B52B102@keescook> <20210728115633.614e9bd9@oasis.local.home> <202107281146.B2160202D@keescook> In-Reply-To: <202107281146.B2160202D@keescook> From: Jann Horn Date: Wed, 28 Jul 2021 20:56:54 +0200 Message-ID: Subject: Re: tracepoints and %p [was: Re: [Patch net-next resend v2] net: use %px to print skb address in trace_netif_receive_skb] To: Kees Cook Cc: Steven Rostedt , Ingo Molnar , Cong Wang , Qitao Xu , "David S. Miller" , Network Development , Cong Wang , Linus Torvalds , linux-hardening@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-hardening@vger.kernel.org On Wed, Jul 28, 2021 at 8:48 PM Kees Cook wrote: > How does ftrace interact with lockdown's confidentiality mode? Should be LOCKDOWN_TRACEFS ?