From patchwork Wed Feb 26 06:24:00 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Russell Currey X-Patchwork-Id: 11405349 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 1415B14BC for ; Wed, 26 Feb 2020 06:25:27 +0000 (UTC) Received: from mother.openwall.net (mother.openwall.net [195.42.179.200]) by mail.kernel.org (Postfix) with SMTP id 6F75A21556 for ; Wed, 26 Feb 2020 06:25:26 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=russell.cc header.i=@russell.cc header.b="bJ+ybytN"; dkim=pass (2048-bit key) header.d=messagingengine.com header.i=@messagingengine.com header.b="YYhTw7Ip" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6F75A21556 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=russell.cc Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kernel-hardening-return-17939-patchwork-kernel-hardening=patchwork.kernel.org@lists.openwall.com Received: (qmail 28553 invoked by uid 550); 26 Feb 2020 06:25:01 -0000 Mailing-List: contact kernel-hardening-help@lists.openwall.com; run by ezmlm Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-ID: Delivered-To: mailing list kernel-hardening@lists.openwall.com Received: (qmail 28436 invoked from network); 26 Feb 2020 06:25:00 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=russell.cc; h= from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; s=fm1; bh=fIQUcfHh7QuR4 38tK6lJLzDWB37n7jovUl45LUEKMUk=; b=bJ+ybytNw+AgsIL1M9PUKtLkAJyNb 9EX+LPSQZRzQ3mSfNnh0E7cWyUb2vkxMxDKd7Cp/MrQC+aWIIdAqzK3KLBVhFsdp RfA8ZKKrDLYocx6DJxMoCIyEEdc7pNfISq5Bkj+T5ZCSevMCjP2GQpJNpLcg5U1g qeIfln0dxE8Pf/pCuzmCxK75gN6EEk+lLDyqwx69koesDTleXnxhpZ6zPJwdvQnY tIQlI12ZS8gTyXEheLg/hxpvD2NUq1J7mi6kTIy4LpZ1vnEg6djs3KWui7gFAD4S VWJmVC8jMasiZLRjcQ9P3labbHrtN9LMUGMVBDtmHxQ6PQnmbPGMLXXqw== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:content-transfer-encoding:date:from :in-reply-to:message-id:mime-version:references:subject:to :x-me-proxy:x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s= fm2; bh=fIQUcfHh7QuR438tK6lJLzDWB37n7jovUl45LUEKMUk=; b=YYhTw7Ip +MaYW2FOuBQoC0hwu15yFBuvVQ/M5BeX84WMuaEO7wim1oZIqKZxHaTTeBIbQZDa ABxkvXeJEp19sWyBOU59+5m5ukB8WPwglRp2/GmAEao5IvH/6l8WoEtVeKDe4qKY gwLWlcdIx4OWndHPd7o4InICAttG2a8TyH+2uNgSbpUz1ci2MD23Y440Dha7Adgo BR0O4iHa4rMD9jcp25HwdRsNLDhiM7A9p6wQ5ahAJv9YFPXXORNDpaCFTj2La05H 3SWadYy5Cof3CHAiXHD/CnOufhPXlUnlPAr4RESi0eFfjyFYMyZey6W9FLie43By CB6kNaOz+2hCSw== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedugedrleefgdeljecutefuodetggdotefrodftvf curfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfghnecu uegrihhlohhuthemuceftddtnecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenfg hrlhcuvffnffculdduhedmnecujfgurhephffvufffkffojghfggfgsedtkeertdertddt necuhfhrohhmpeftuhhsshgvlhhlucevuhhrrhgvhicuoehruhhstghurhesrhhushhsvg hllhdrtggtqeenucfkphepuddvvddrleelrdekvddruddtnecuvehluhhsthgvrhfuihii vgepfeenucfrrghrrghmpehmrghilhhfrhhomheprhhushgtuhhrsehruhhsshgvlhhlrd gttg X-ME-Proxy: From: Russell Currey To: linuxppc-dev@lists.ozlabs.org Cc: Russell Currey , christophe.leroy@c-s.fr, joel@jms.id.au, mpe@ellerman.id.au, ajd@linux.ibm.com, dja@axtens.net, npiggin@gmail.com, kernel-hardening@lists.openwall.com, Joel Stanley Subject: [PATCH v4 5/8] powerpc/configs: Enable STRICT_MODULE_RWX in skiroot_defconfig Date: Wed, 26 Feb 2020 17:24:00 +1100 Message-Id: <20200226062403.63790-6-ruscur@russell.cc> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200226062403.63790-1-ruscur@russell.cc> References: <20200226062403.63790-1-ruscur@russell.cc> MIME-Version: 1.0 skiroot_defconfig is the only powerpc defconfig with STRICT_KERNEL_RWX enabled, and if you want memory protection for kernel text you'd want it for modules too, so enable STRICT_MODULE_RWX there. Acked-by: Joel Stanley Signed-off-by: Russell Currey --- arch/powerpc/configs/skiroot_defconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/powerpc/configs/skiroot_defconfig b/arch/powerpc/configs/skiroot_defconfig index 1b6bdad36b13..66d20dbe67b7 100644 --- a/arch/powerpc/configs/skiroot_defconfig +++ b/arch/powerpc/configs/skiroot_defconfig @@ -51,6 +51,7 @@ CONFIG_CMDLINE="console=tty0 console=hvc0 ipr.fast_reboot=1 quiet" # CONFIG_PPC_MEM_KEYS is not set CONFIG_JUMP_LABEL=y CONFIG_STRICT_KERNEL_RWX=y +CONFIG_STRICT_MODULE_RWX=y CONFIG_MODULES=y CONFIG_MODULE_UNLOAD=y CONFIG_MODULE_SIG_FORCE=y