From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) by finch.gentoo.org (Postfix) with ESMTP id E1796138A1D for ; Sat, 1 Nov 2014 22:04:38 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id C8A8BE110A; Sat, 1 Nov 2014 22:04:36 +0000 (UTC) Received: from puleglot.ru (unknown [78.47.99.242]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id 0695FE1105 for ; Sat, 1 Nov 2014 22:04:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=tsoy.me; s=mymail; h=Sender:Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Subject:To:From:Date; bh=gHPmT4PbR6Kcd2zmwozFbQKple/4KSdVEda4jYRN2ac=; b=h5m3beHxbyGyCZicbF14G7ahv5iGMLV7YQnuhmo9gNgRDK0CiatCjMCaOn4ad7bejjri6Bl/BiWPo+qSJCibZ5IWShLbOJiR8bJ10LNfgVkuqDXCQmtysTZIa3nllIaggd22xFAOuLy400MnC6Jhv8bv8jXTUgCbko4rFQ87tBc=; Received: from 37-146-230-9.broadband.corbina.ru ([37.146.230.9] helo=home.puleglot) by puleglot.ru with esmtpsa (TLSv1.2:AES128-GCM-SHA256:128) (Exim 4.84) (envelope-from ) id 1Xkgmf-0004IC-2k for gentoo-hardened@lists.gentoo.org; Sun, 02 Nov 2014 01:04:33 +0300 Date: Sun, 2 Nov 2014 01:04:30 +0300 From: Alexander Tsoy To: gentoo-hardened@lists.gentoo.org Subject: Re: [gentoo-hardened] "grsec: denied RWX mprotect" doesn't kill app anymore Message-ID: <20141102010430.5d1062fc@home.puleglot> In-Reply-To: <20141101112151.5b6d7a07@maelstrom.zone> References: <20141101100823.GA22195@home.power> <20141101112151.5b6d7a07@maelstrom.zone> X-Mailer: Claws Mail 3.10.1 (GTK+ 2.24.24; x86_64-pc-linux-gnu) Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-hardened@lists.gentoo.org Reply-to: gentoo-hardened@lists.gentoo.org MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Sender: puleglot@puleglot.ru X-Archives-Salt: 6b792496-4b71-4227-aed4-4476d23c1f7e X-Archives-Hash: 396d830264e07fce477c047dda8dc83a =D0=92 Sat, 1 Nov 2014 11:21:51 +0100 Amadeusz S=C5=82awi=C5=84ski =D0=BF=D0=B8=D1=88=D0=B5=D1= =82: > On Sat, 1 Nov 2014 12:08:23 +0200 > Alex Efros wrote: >=20 > > Hi! > >=20 > > I wonder is something was changed in handling "grsec: denied RWX > > mprotect"? Previously when I see this in kernel log it usually > > result in killing app (and I've to run `paxctl-ng -m /that/app`), > > but now it looks like this doesn't happens anymore. For example: > >=20 >=20 > https://bugs.freedesktop.org/show_bug.cgi?id=3D73473 >=20 > OpenGL apps fallback to software rendering if they can't mmap > executable memory. Alex uses nvidia blob, so fdo bug is unrelated here: > > # eselect opengl list > > Available OpenGL implementations: > > [1] nvidia * > > [2] xorg-x11 --=20 Alexander Tsoy