Received: by 2002:a05:6902:102b:0:0:0:0 with SMTP id x11csp35256ybt; Tue, 23 Jun 2020 14:35:51 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyaD0nIXQxQoMZWIN38vyFtBrVj8D3mGyZnzmReRTjxKKioTo7/rNkaf2+QE32YyDr2e9j0 X-Received: by 2002:a05:6402:1d97:: with SMTP id dk23mr5322704edb.1.1592948150998; Tue, 23 Jun 2020 14:35:50 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1592948150; cv=none; d=google.com; s=arc-20160816; b=U7ICPxi55qZQB9UZnaaIGwsYSw2q6mKDsy8iR0gY68Ke39pXx9Uo5ieBWzFWL0MBWV wE/6p5+9uOHA9wnV2MwSw0GnA8tERLfKOSAz0bsIuLe5S3dijdYq2POtIRahl0wT5avu C6cpIfYHoxvuuGHPR4uSsV2g6LrTu2uKQB79BDnzYbIerrqYqZLebROK42+UMu7dRlW8 wNB/2DQL2Lm7gEJs8ifco48a84VU3LmDcOEL0CAjpNcaOePZUX5qAoIi4NxHHmSd+6Ie LiHIJzCMUo+poiYedqpHl0D8WmkZR80+JKsJ3I+yN47TNRTqJGxR/OF4T4726UJV/CeV zczw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:user-agent:references :message-id:in-reply-to:subject:cc:to:from:date; bh=jnk+czb6oCK8/jNHlWxljT8a6wwzpX1QHwRjCLmefvE=; b=jCXNLeXK8xSeIX8L8Q7KygCVSBbsQIcATTSwRzVtuI4wtdzecgpAvBBjzBu+viWkce BLOWaT/adW6f1yc/8y7RCs+Ts1eO29dmdF+pbxzoMqgJuoHjvE4D7a/y66MohvkA74br YZl0y4+1kQbfALr3m0Oels080maFK+EspOGGX4A0Y/AKPdK4mmZlJFXpl/fgPTDgtUG0 XKnJIdu7cV62O8/pA2AWn9DbmKV40htXLDGZ3iHSZ3g0mOtd9rKoohWJrpp0BsS9lOtW jEsx33czslytYP/PGycpg7k3yc2K9PHDUkqOoyuKSLXgQekvINpDVC9OZedassexbWWk ua5Q== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id k20si11766400ejs.600.2020.06.23.14.35.27; Tue, 23 Jun 2020 14:35:50 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389995AbgFWVd4 (ORCPT + 99 others); Tue, 23 Jun 2020 17:33:56 -0400 Received: from trent.utfs.org ([94.185.90.103]:44226 "EHLO trent.utfs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387982AbgFWVdy (ORCPT ); Tue, 23 Jun 2020 17:33:54 -0400 Received: from localhost (localhost [IPv6:::1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by trent.utfs.org (Postfix) with ESMTPS id 3A97B6015C; Tue, 23 Jun 2020 23:33:50 +0200 (CEST) Date: Tue, 23 Jun 2020 14:33:50 -0700 (PDT) From: Christian Kujau To: Kees Cook cc: Alexey Dobriyan , Andrew Morton , Willy Tarreau , Dan Carpenter , linux-kernel@vger.kernel.org Subject: Re: process '/usr/bin/rsync' started with executable stack In-Reply-To: <202006231131.AD0A7F5F@keescook> Message-ID: References: <202006231131.AD0A7F5F@keescook> User-Agent: Alpine 2.22.1 (DEB 446 2020-06-13) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 23 Jun 2020, Kees Cook wrote: > > $ checksec --format=json --extended --file=`which rsync` | jq > > { > > "/usr/bin/rsync": { > > "relro": "full", > > "canary": "yes", > > "nx": "no", > ^^^^^^^^^^^^^^^^^^ > > It is, indeed, marked executable, it seems. What distro is this? Arch Linux (x86-64) with 5.6.5.a-1-hardened[0], running in a Xen DomU. Christian. [0] https://git.archlinux.org/svntogit/packages.git/tree/trunk?h=packages/linux-hardened -- BOFH excuse #211: Lightning strikes.