From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id CE32AC00140 for ; Wed, 24 Aug 2022 16:21:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237983AbiHXQVv (ORCPT ); Wed, 24 Aug 2022 12:21:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42968 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237329AbiHXQVt (ORCPT ); Wed, 24 Aug 2022 12:21:49 -0400 Received: from mail-lj1-x22c.google.com (mail-lj1-x22c.google.com [IPv6:2a00:1450:4864:20::22c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BBBD64BA68 for ; Wed, 24 Aug 2022 09:21:47 -0700 (PDT) Received: by mail-lj1-x22c.google.com with SMTP id k22so2221494ljg.2 for ; Wed, 24 Aug 2022 09:21:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc; bh=k6SNW7J2SfguWP3OtBkY8mnZEFPOGhbwfNAroApAm7s=; b=MDJnXAgDBHvTy76WavYOAveBAAEJ4DAnVQYs79aBAeInxvPqro6z4CvQfIAZaGVhM+ aWSYYWovl4+EL2Flp1IaHQb0pgOHUx9an6lv6Yc3TjwnST6GRXFM2pyJeReqXU9IowHI J6x0unmhNJP//73W02rIysB8YfSB7CRnd4swVn9ybcgRL1BRPyzBBT/y/fiJlW1PgOB+ fqcakNSaa34n4rjePG/3MiXn6WsBf93cdNvuZ0gQfgFu8qMfCxpGtMh3iXE/wF6QsXBa 7TE2cj/LiP8TOuW4wCc35mbTMN9AsQ4rhePj0YP0XNLzvzT96Nh1MAUyjG1PUK315skg iRHg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc; bh=k6SNW7J2SfguWP3OtBkY8mnZEFPOGhbwfNAroApAm7s=; b=FhmlClMcS/yE8n93jTNxLzqEruQr/ih6c3CzEzjnCHsl1yrAbECVkdpf3abuSVnVmg qDwUQ30Ke7QIPKXRdQMaR56Sq6i08SrMrSGAKiCSyqGSNYiIFujq4GXqpLpq6hwgiK8w WWbfh94zaf77adEGFNi8GYcolUG1Wd5RoBgaKgYxG2UOLTJNYzXiC47Tw46IkkcB0Gif +6UgsLf96MYyAKLC8T2s6GJnnsDX557rqimRh+Md094xHrvI6EeNlqp8AhyWrNIdZd6a CrVcukALSIJhdh2fJ7wIEBCBU3EdQAt/e7LdDD0lnw9q0lgtwFNp1c2REcPk4uEfT7Xv 5Qag== X-Gm-Message-State: ACgBeo0kyy1tFC88W7SD9BNYNGSJYDJeynmQja93F3VGR24lmHitYAtg pUunHkQFqh9KG4MclGUy4CBRzZXB9BQKYhfQqHk= X-Google-Smtp-Source: AA6agR7JPXg0zTi67AlYDYylMurz8hYT+xKnReiKHT727s+i59BNOBILUXH0f+RwwsQFXE9MsFctWQ== X-Received: by 2002:a2e:505d:0:b0:261:ce76:52b7 with SMTP id v29-20020a2e505d000000b00261ce7652b7mr6356ljd.286.1661358106060; Wed, 24 Aug 2022 09:21:46 -0700 (PDT) Received: from [192.168.0.71] (82.131.98.15.cable.starman.ee. [82.131.98.15]) by smtp.gmail.com with ESMTPSA id q9-20020a056512210900b0048b1d92991asm3019085lfr.303.2022.08.24.09.21.45 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 24 Aug 2022 09:21:45 -0700 (PDT) Message-ID: Date: Wed, 24 Aug 2022 19:21:44 +0300 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.12.0 Subject: Re: ST ST95HF DRIVER security bug Content-Language: en-US To: =?UTF-8?B?157Xmdeb15DXnCDXqdeY16jXkNeV16E=?= Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Jakub Kicinski , "David S. Miller" , linux-nfc@lists.01.org References: From: Krzysztof Kozlowski In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 24/08/2022 18:12, מיכאל שטראוס wrote: >> >> Please use scripts/get_maintainers.pl to Cc relevant people. You got the >> same comment last time as well... >> > Sorry my bad, i forgot we already contacted. > I actually ran it and your name came up for some reason. > >> ./scripts/get_maintainer.pl drivers/nfc/st95hf/spi.c > > Bad divisor in main::vcs_assign: 0 > > Krzysztof Kozlowski (maintainer:NFC >> SUBSYSTEM) > > netdev@vger.kernel.org (open list:NFC SUB and other addresses... why removing them? > > > > >> What does it mean "current source"? Please be specific which exactly > > kernel version is affected, which commit introduced it. > > *Effected version: * > - v6.0-rc2 ... > - *v4.5-rc1* > *Introducing commit: * > https://github.com/torvalds/linux/commit/cab47333f0f75b685bce1facecb73bf3632e1360 > > Then the risk is quite low, right? SPI busses are not user hot-pluggable >> except some development boards (so again a real niche). Basically it's >> impact is negligible >> > Agreed. > > What does it mean "remote device"? NFC? NFC tag does not talk over SPI... >> > I was wondering maybe the tag is the source for the content that actually > overflows the kernel buffer, > In which case it changes the picture a bit. The buffer is used for SPI transfer, so the NFC tag - except that it works with that device - is rather long shot. Best regards, Krzysztof