From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pl1-f181.google.com (mail-pl1-f181.google.com [209.85.214.181]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 30E882F25 for ; Sat, 14 May 2022 21:58:23 +0000 (UTC) Received: by mail-pl1-f181.google.com with SMTP id d17so11146384plg.0 for ; Sat, 14 May 2022 14:58:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to; bh=YHRIbwbYw+C29KUQZWgduS5aUkdozvIZ+erhj6VO6FY=; b=GKZwyVRiKzX72oR6iRkHNGBB4Yxe4zgbdG2bd1Amyx25B8PRAkSSWxH34c2Z8H4Nnm 1vTmWCO/WBQS1TIQlB3jNMp8kDrLZ6n4ahAh5U+uttxpOOjQf2Tn//WLGsxXWkypgUs4 tC2mjiqHKHosECDuo/Grwg0fKMiL1EvNVf1Io= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=YHRIbwbYw+C29KUQZWgduS5aUkdozvIZ+erhj6VO6FY=; b=yotqQSZpHv5HINL51DN4tzkybkeTd34X9Ju3E9NJ0A/Zh465CkBiTWomvlCyQtHBCS +ByMQXEVI44yXnTU+Anvk9URDdO4mRsY3IAoiVq+nFXLCf65/zFp5C8FFU+Y8hjbsBun HPon1PYx+GoHShpXClvehVGfODP+hafjCoX6zfq0Tre6B+ipcFxrJA3gIKIbNyVDH+Ks n4sCbUNWkECmhQOY1Jfxo+W6nwYJAiCvWcIFLrIF6FhsENBmyR6If7L2wbs91DHPUJVX wRZGFEUVCN9VWV0q276xxseVNpkc3FJBVOuTycrWJ1O0uVwmddRibpyY01KI/wyLb679 izrg== X-Gm-Message-State: AOAM531OR4gLsFsyuWwLaqEi/hAZhfBK70pcG4bd/qj0qS5V1gHro5iO fb8iQ0og3/r98R/T2IWcH6yA4w== X-Google-Smtp-Source: ABdhPJwQi9fDcAabhWlIu7XmH1XILDhZjsGUll409I75HQ6fQoXg6nsR8lupRx6Pog8YHNzHVYWXow== X-Received: by 2002:a17:90a:db51:b0:1dc:9d7e:1e11 with SMTP id u17-20020a17090adb5100b001dc9d7e1e11mr23330312pjx.129.1652565502681; Sat, 14 May 2022 14:58:22 -0700 (PDT) Received: from www.outflux.net (smtp.outflux.net. [198.145.64.163]) by smtp.gmail.com with ESMTPSA id i1-20020a6561a1000000b003c14af5063fsm3889773pgv.87.2022.05.14.14.58.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 14 May 2022 14:58:22 -0700 (PDT) Date: Sat, 14 May 2022 14:58:21 -0700 From: Kees Cook To: Sami Tolvanen Cc: linux-kernel@vger.kernel.org, Josh Poimboeuf , Peter Zijlstra , x86@kernel.org, Catalin Marinas , Will Deacon , Mark Rutland , Nathan Chancellor , Nick Desaulniers , Joao Moreira , Sedat Dilek , Steven Rostedt , linux-hardening@vger.kernel.org, linux-arm-kernel@lists.infradead.org, llvm@lists.linux.dev Subject: Re: [RFC PATCH v2 18/21] x86/purgatory: Disable CFI Message-ID: <202205141458.1101A071@keescook> References: <20220513202159.1550547-1-samitolvanen@google.com> <20220513202159.1550547-19-samitolvanen@google.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220513202159.1550547-19-samitolvanen@google.com> On Fri, May 13, 2022 at 01:21:56PM -0700, Sami Tolvanen wrote: > Disable CONFIG_CFI_CLANG for the stand-alone purgatory.ro. > > Signed-off-by: Sami Tolvanen Reviewed-by: Kees Cook -- Kees Cook