From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Thu, 21 Sep 2023 10:50:31 +0200 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1qjFOL-005gvv-0I for lore@lore.pengutronix.de; Thu, 21 Sep 2023 10:50:31 +0200 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1qjFOJ-0004nu-2F for lore@pengutronix.de; Thu, 21 Sep 2023 10:50:31 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:From:In-Reply-To: Content-Type:MIME-Version:References:Message-ID:Subject:Cc:To:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=vPAXB94hpa56GcOxA/kOUVp44fPzciJHOUD8KJekbLA=; b=TWZ/uLSZsoZP1eSSzaTdKAxV/t WoMkgZC73Ozp0M6bRd0uISSmX5wLG+mXbpP6vpKiGpoANyfcSlNSo6pihCICrcY/cjAgr0UK5nZyZ mH3R097cWPKEEOcs9bD3NthTG2mChKhL7X023CXZ/qbVacITkIHR3A9G0ybl9uzy+dZbBVHTQkd+e EKu6Wav2DYtib/Y2+iYjdnmE/x0zWTIwK0Nxri2N4G6UNicOHt4u8jdySG+vetQ8X7GZ1JTBSMCdo ySnxQt+DZX/g57gMM46nuuWHVAwG/qJTv9PcJVtB1Qd8sbdEkbHeQzojhP0LCs6g/umvHLMdAZDHu Uz0FEcag==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qjFN2-005WHE-0g; Thu, 21 Sep 2023 08:49:12 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qjFMz-005WFx-1S for barebox@lists.infradead.org; Thu, 21 Sep 2023 08:49:10 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1qjFMx-0004UR-QX; Thu, 21 Sep 2023 10:49:07 +0200 Received: from [2a0a:edc0:2:b01:1d::c0] (helo=ptx.whiteo.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1qjFMx-007sst-9O; Thu, 21 Sep 2023 10:49:07 +0200 Received: from sha by ptx.whiteo.stw.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1qjFMx-00AfNs-60; Thu, 21 Sep 2023 10:49:07 +0200 Date: Thu, 21 Sep 2023 10:49:07 +0200 To: Ahmad Fatoum Cc: barebox@lists.infradead.org Message-ID: <20230921084907.GG637806@pengutronix.de> References: <20230911150900.3584523-1-a.fatoum@pengutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230911150900.3584523-1-a.fatoum@pengutronix.de> X-Sent-From: Pengutronix Hildesheim X-URL: http://www.pengutronix.de/ X-Accept-Language: de,en X-Accept-Content-Type: text/plain User-Agent: Mutt/1.10.1 (2018-07-13) From: Sascha Hauer X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230921_014909_487030_F8736CA6 X-CRM114-Status: GOOD ( 17.82 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-5.0 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: Re: [PATCH 0/5] add stack protector and guard page support X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) On Mon, Sep 11, 2023 at 05:08:55PM +0200, Ahmad Fatoum wrote: > GCC's strong stack protector feature is increasingly used as default in > many distros, because of comparatively low overhead. This series adds > support in barebox to catch stack frame overflow as well as a guard > page feature to catch stack region overflow. > > Ahmad Fatoum (5): > include: move PAGE_ definitions into linux/pagemap.h > ARM: mark early C setup functions as __prereloc > lib: add stackprotector support > ARM: mmu: catch stack overflowing into TTB with stack guard page > commands: add stacksmash command for causing stack overflows Applied, thanks Sascha > > Makefile | 3 - > arch/arm/cpu/common.c | 2 +- > arch/arm/cpu/interrupts_32.c | 21 +++++- > arch/arm/cpu/interrupts_64.c | 38 +++++++--- > arch/arm/cpu/mmu_32.c | 16 +++++ > arch/arm/cpu/mmu_64.c | 15 ++++ > arch/arm/cpu/start.c | 4 +- > arch/arm/include/asm/barebox-arm.h | 18 ++++- > arch/arm/include/asm/reloc.h | 2 +- > arch/arm/lib64/string.c | 2 +- > commands/Kconfig | 6 ++ > commands/Makefile | 1 + > commands/stacksmash.c | 58 ++++++++++++++++ > include/common.h | 6 +- > include/linux/compiler_types.h | 21 ++++++ > include/linux/pagemap.h | 8 ++- > lib/Kconfig | 2 + > lib/Kconfig.hardening | 108 +++++++++++++++++++++++++++++ > lib/Makefile | 1 + > lib/stackprot.c | 32 +++++++++ > lib/string.c | 2 +- > scripts/Makefile.lib | 10 +++ > 22 files changed, 350 insertions(+), 26 deletions(-) > create mode 100644 commands/stacksmash.c > create mode 100644 lib/Kconfig.hardening > create mode 100644 lib/stackprot.c > > -- > 2.39.2 > > > -- Pengutronix e.K. | | Steuerwalder Str. 21 | http://www.pengutronix.de/ | 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |