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[209.132.180.67]) by mx.google.com with ESMTP id p1si9439442eda.406.2019.10.07.14.35.36; Mon, 07 Oct 2019 14:35:59 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20161025 header.b=Fk6hrgHG; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729375AbfJGVfL (ORCPT + 99 others); Mon, 7 Oct 2019 17:35:11 -0400 Received: from mail-wr1-f68.google.com ([209.85.221.68]:39216 "EHLO mail-wr1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728980AbfJGVfL (ORCPT ); Mon, 7 Oct 2019 17:35:11 -0400 Received: by mail-wr1-f68.google.com with SMTP id r3so17000822wrj.6; Mon, 07 Oct 2019 14:35:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:openpgp:autocrypt:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=OyhiovIjMKJKHgMLTz6N4LKz78G59FFqcnuV5MZGZ7g=; b=Fk6hrgHG5+4gYmqh2EQwYt6qgt8bw2Hb/iXh84INWDNGXyRGp6r+hmbZI7yLL6nW1v NFGOB9pmhu+EPNoUtgYDplbnfh4CpO8YmsvdBacR/leipEW0hBizAKlxuTSSNJKUHF9q wu7gEkXi5G/SHSeURMidHt3XIUnW3e25+P2g6lbrQcmOkNaPHy7vOVFG/5+znHXUsfB5 EcFI1ZYnSypBy2aMBQ5hpN6QOQG2gPB7UvgoX2mxV9EzT6G2vDXWbpAPUb51zkZElRxY i4hzpkD16MLuFqs99TuYmW6Xs0fW9oT4pAwAulULffpgcQ0rNXkiK3ztsqw4jB9NpxN5 kmEA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:openpgp:autocrypt :message-id:date:user-agent:mime-version:in-reply-to :content-language:content-transfer-encoding; bh=OyhiovIjMKJKHgMLTz6N4LKz78G59FFqcnuV5MZGZ7g=; b=qvGhCcBM7FhkZ49kZhnaBnALiqOhSG/PVHRFjR/KUA0cYxloRvAWFp0jUdR4Q0kBuX c30FUFE/NnphWbsenQKk3f70XUSuEvOEnBWPGPEtOlZbKTeSZRh1vqL0NN4cm7f6zQHH kXny1m//sl7KH/R+hkqME689PnNiHqkCtcxC27VfR0GhwMaNSMEyCxzOcivwNE2TgNvA 31FouDLGE6SJnQnlHdfWsbB1+EnTRcnFaCxqlM5vFGBw/QdXABJ7qvMs54sqRv4JCQHF eCz880jL/g2RVIKSNB62uVLHccuO8S8aIXYldjiscNKOXTEXS+AukqsM4kBEy0/0JzfC Ndag== X-Gm-Message-State: APjAAAULSVIF2i/zU6xItv50czDTKRj6BS3SgJE37ezWQtDv23qabJL4 /0qz/9qZWWARdh+HxNguR+c= X-Received: by 2002:adf:df0d:: with SMTP id y13mr26056785wrl.342.1570484106216; Mon, 07 Oct 2019 14:35:06 -0700 (PDT) Received: from [10.67.50.53] ([192.19.223.252]) by smtp.googlemail.com with ESMTPSA id o4sm33715301wre.91.2019.10.07.14.34.54 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 07 Oct 2019 14:35:05 -0700 (PDT) Subject: Re: [PATCH v6 0/6] KASan for arm To: Arnd Bergmann Cc: Linus Walleij , Florian Fainelli , Mark Rutland , Alexandre Belloni , Michal Hocko , Julien Thierry , Catalin Marinas , "linux-kernel@vger.kernel.org" , David Howells , Masahiro Yamada , Andrey Ryabinin , Alexander Potapenko , kvmarm@lists.cs.columbia.edu, Jonathan Corbet , Abbott Liu , Daniel Lezcano , Russell King , kasan-dev , bcm-kernel-feedback-list , Dmitry Vyukov , Geert Uytterhoeven , drjones@redhat.com, Vladimir Murzin , Kees Cook , Marc Zyngier , Andre Przywara , philip@cog.systems, Jinbum Park , Thomas Gleixner , Linux ARM , Nicolas Pitre , Greg KH , Ard Biesheuvel , Linux Doc Mailing List , Christoffer Dall , Rob Landley , Philippe Ombredanne , Andrew Morton , Thomas Garnier , "Kirill A . Shutemov" References: <20190617221134.9930-1-f.fainelli@gmail.com> <0ba50ae2-be09-f633-ab1f-860e8b053882@broadcom.com> From: Florian Fainelli Openpgp: preference=signencrypt Autocrypt: addr=f.fainelli@gmail.com; prefer-encrypt=mutual; keydata= mQGiBEjPuBIRBACW9MxSJU9fvEOCTnRNqG/13rAGsj+vJqontvoDSNxRgmafP8d3nesnqPyR xGlkaOSDuu09rxuW+69Y2f1TzjFuGpBk4ysWOR85O2Nx8AJ6fYGCoeTbovrNlGT1M9obSFGQ X3IzRnWoqlfudjTO5TKoqkbOgpYqIo5n1QbEjCCwCwCg3DOH/4ug2AUUlcIT9/l3pGvoRJ0E AICDzi3l7pmC5IWn2n1mvP5247urtHFs/uusE827DDj3K8Upn2vYiOFMBhGsxAk6YKV6IP0d ZdWX6fqkJJlu9cSDvWtO1hXeHIfQIE/xcqvlRH783KrihLcsmnBqOiS6rJDO2x1eAgC8meAX SAgsrBhcgGl2Rl5gh/jkeA5ykwbxA/9u1eEuL70Qzt5APJmqVXR+kWvrqdBVPoUNy/tQ8mYc nzJJ63ng3tHhnwHXZOu8hL4nqwlYHRa9eeglXYhBqja4ZvIvCEqSmEukfivk+DlIgVoOAJbh qIWgvr3SIEuR6ayY3f5j0f2ejUMYlYYnKdiHXFlF9uXm1ELrb0YX4GMHz7QnRmxvcmlhbiBG YWluZWxsaSA8Zi5mYWluZWxsaUBnbWFpbC5jb20+iGYEExECACYCGyMGCwkIBwMCBBUCCAME FgIDAQIeAQIXgAUCVF/S8QUJHlwd3wAKCRBhV5kVtWN2DvCVAJ4u4/bPF4P3jxb4qEY8I2gS 6hG0gACffNWlqJ2T4wSSn+3o7CCZNd7SLSC5BA0ESM+4EhAQAL/o09boR9D3Vk1Tt7+gpYr3 WQ6hgYVON905q2ndEoA2J0dQxJNRw3snabHDDzQBAcqOvdi7YidfBVdKi0wxHhSuRBfuOppu pdXkb7zxuPQuSveCLqqZWRQ+Cc2QgF7SBqgznbe6Ngout5qXY5Dcagk9LqFNGhJQzUGHAsIs hap1f0B1PoUyUNeEInV98D8Xd/edM3mhO9nRpUXRK9Bvt4iEZUXGuVtZLT52nK6Wv2EZ1TiT OiqZlf1P+vxYLBx9eKmabPdm3yjalhY8yr1S1vL0gSA/C6W1o/TowdieF1rWN/MYHlkpyj9c Rpc281gAO0AP3V1G00YzBEdYyi0gaJbCEQnq8Vz1vDXFxHzyhgGz7umBsVKmYwZgA8DrrB0M oaP35wuGR3RJcaG30AnJpEDkBYHznI2apxdcuTPOHZyEilIRrBGzDwGtAhldzlBoBwE3Z3MY 31TOpACu1ZpNOMysZ6xiE35pWkwc0KYm4hJA5GFfmWSN6DniimW3pmdDIiw4Ifcx8b3mFrRO BbDIW13E51j9RjbO/nAaK9ndZ5LRO1B/8Fwat7bLzmsCiEXOJY7NNpIEpkoNoEUfCcZwmLrU +eOTPzaF6drw6ayewEi5yzPg3TAT6FV3oBsNg3xlwU0gPK3v6gYPX5w9+ovPZ1/qqNfOrbsE FRuiSVsZQ5s3AAMFD/9XjlnnVDh9GX/r/6hjmr4U9tEsM+VQXaVXqZuHKaSmojOLUCP/YVQo 7IiYaNssCS4FCPe4yrL4FJJfJAsbeyDykMN7wAnBcOkbZ9BPJPNCbqU6dowLOiy8AuTYQ48m vIyQ4Ijnb6GTrtxIUDQeOBNuQC/gyyx3nbL/lVlHbxr4tb6YkhkO6shjXhQh7nQb33FjGO4P WU11Nr9i/qoV8QCo12MQEo244RRA6VMud06y/E449rWZFSTwGqb0FS0seTcYNvxt8PB2izX+ HZA8SL54j479ubxhfuoTu5nXdtFYFj5Lj5x34LKPx7MpgAmj0H7SDhpFWF2FzcC1bjiW9mjW HaKaX23Awt97AqQZXegbfkJwX2Y53ufq8Np3e1542lh3/mpiGSilCsaTahEGrHK+lIusl6mz Joil+u3k01ofvJMK0ZdzGUZ/aPMZ16LofjFA+MNxWrZFrkYmiGdv+LG45zSlZyIvzSiG2lKy kuVag+IijCIom78P9jRtB1q1Q5lwZp2TLAJlz92DmFwBg1hyFzwDADjZ2nrDxKUiybXIgZp9 aU2d++ptEGCVJOfEW4qpWCCLPbOT7XBr+g/4H3qWbs3j/cDDq7LuVYIe+wchy/iXEJaQVeTC y5arMQorqTFWlEOgRA8OP47L9knl9i4xuR0euV6DChDrguup2aJVU4hPBBgRAgAPAhsMBQJU X9LxBQkeXB3fAAoJEGFXmRW1Y3YOj4UAn3nrFLPZekMeqX5aD/aq/dsbXSfyAKC45Go0YyxV HGuUuzv+GKZ6nsysJ7kCDQRXG8fwARAA6q/pqBi5PjHcOAUgk2/2LR5LjjesK50bCaD4JuNc YDhFR7Vs108diBtsho3w8WRd9viOqDrhLJTroVckkk74OY8r+3t1E0Dd4wHWHQZsAeUvOwDM PQMqTUBFuMi6ydzTZpFA2wBR9x6ofl8Ax+zaGBcFrRlQnhsuXLnM1uuvS39+pmzIjasZBP2H UPk5ifigXcpelKmj6iskP3c8QN6x6GjUSmYx+xUfs/GNVSU1XOZn61wgPDbgINJd/THGdqiO iJxCLuTMqlSsmh1+E1dSdfYkCb93R/0ZHvMKWlAx7MnaFgBfsG8FqNtZu3PCLfizyVYYjXbV WO1A23riZKqwrSJAATo5iTS65BuYxrFsFNPrf7TitM8E76BEBZk0OZBvZxMuOs6Z1qI8YKVK UrHVGFq3NbuPWCdRul9SX3VfOunr9Gv0GABnJ0ET+K7nspax0xqq7zgnM71QEaiaH17IFYGS sG34V7Wo3vyQzsk7qLf9Ajno0DhJ+VX43g8+AjxOMNVrGCt9RNXSBVpyv2AMTlWCdJ5KI6V4 KEzWM4HJm7QlNKE6RPoBxJVbSQLPd9St3h7mxLcne4l7NK9eNgNnneT7QZL8fL//s9K8Ns1W t60uQNYvbhKDG7+/yLcmJgjF74XkGvxCmTA1rW2bsUriM533nG9gAOUFQjURkwI8jvMAEQEA AYkCaAQYEQIACQUCVxvH8AIbAgIpCRBhV5kVtWN2DsFdIAQZAQIABgUCVxvH8AAKCRCH0Jac RAcHBIkHD/9nmfog7X2ZXMzL9ktT++7x+W/QBrSTCTmq8PK+69+INN1ZDOrY8uz6htfTLV9+ e2W6G8/7zIvODuHk7r+yQ585XbplgP0V5Xc8iBHdBgXbqnY5zBrcH+Q/oQ2STalEvaGHqNoD UGyLQ/fiKoLZTPMur57Fy1c9rTuKiSdMgnT0FPfWVDfpR2Ds0gpqWePlRuRGOoCln5GnREA/ 2MW2rWf+CO9kbIR+66j8b4RUJqIK3dWn9xbENh/aqxfonGTCZQ2zC4sLd25DQA4w1itPo+f5 V/SQxuhnlQkTOCdJ7b/mby/pNRz1lsLkjnXueLILj7gNjwTabZXYtL16z24qkDTI1x3g98R/ xunb3/fQwR8FY5/zRvXJq5us/nLvIvOmVwZFkwXc+AF+LSIajqQz9XbXeIP/BDjlBNXRZNdo dVuSU51ENcMcilPr2EUnqEAqeczsCGpnvRCLfVQeSZr2L9N4svNhhfPOEscYhhpHTh0VPyxI pPBNKq+byuYPMyk3nj814NKhImK0O4gTyCK9b+gZAVvQcYAXvSouCnTZeJRrNHJFTgTgu6E0 caxTGgc5zzQHeX67eMzrGomG3ZnIxmd1sAbgvJUDaD2GrYlulfwGWwWyTNbWRvMighVdPkSF 6XFgQaosWxkV0OELLy2N485YrTr2Uq64VKyxpncLh50e2RnyAJ9Za0Dx0yyp44iD1OvHtkEI M5kY0ACeNhCZJvZ5g4C2Lc9fcTHu8jxmEkI= Message-ID: Date: Mon, 7 Oct 2019 14:34:45 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 7/18/19 12:51 AM, Arnd Bergmann wrote: > On Thu, Jul 11, 2019 at 7:00 PM Florian Fainelli > wrote: >> On 7/2/19 2:06 PM, Linus Walleij wrote: > >> >> Great, thanks a lot for taking a look. FYI, I will be on holiday from >> July 19th till August 12th, if you think you have more feedback between >> now and then, I can try to pick it up and submit a v7 with that feedback >> addressed, or it will happen when I return, or you can pick it up if you >> refer, all options are possible! >> >> @Arnd, should we squash your patches in as well? > > Yes, please do. I don't remember if I sent you all of them already, > here is the list of patches that I have applied locally on top of your > series to get a clean randconfig build: > > 123c3262f872 KASAN: push back KASAN_STACK to clang-10 This one seems to have received some feedback, not sure if it was addressed or not in a subsequent patch? > d63dd9e2afd9 [HACK] ARM: disable KASAN+XIP_KERNEL That one has been squashed, we could always lift the XIP_KERNEL restriction later once someone with suitable hardware confirms it works. > 879eb3c22240 kasan: increase 32-bit stack frame warning limit That one should be pushed separately. > 053555034bdf kasan: disable CONFIG_KASAN_STACK with clang on arm32 This one I did not take based on Linus' feedback that is breaks booting on his RealView board. > 6c1a78a448c2 ARM: fix kasan link failures This one was squashed relevant and will be sent out as v7. -- Florian