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 X-Spam-Level: X-Spam-Status: No, score=-2.3 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5393CC433FF for ; Fri, 9 Aug 2019 13:41:50 +0000 (UTC) Received: from mother.openwall.net (mother.openwall.net [195.42.179.200]) by mail.kernel.org (Postfix) with SMTP id A33B9214C6 for ; Fri, 9 Aug 2019 13:41:49 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=kernel-dk.20150623.gappssmtp.com header.i=@kernel-dk.20150623.gappssmtp.com header.b="uxcY+HoG" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A33B9214C6 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.dk Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=kernel-hardening-return-16775-kernel-hardening=archiver.kernel.org@lists.openwall.com Received: (qmail 9751 invoked by uid 550); 9 Aug 2019 13:41:44 -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: Received: (qmail 9719 invoked from network); 9 Aug 2019 13:41:43 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20150623.gappssmtp.com; s=20150623; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=hDbmSeAqM7CnABefrdoIV33EQwgfzsxS6CwWc2ozMxc=; b=uxcY+HoGpSPxU3WZM34vst9UCgKCvpWafX3qIo5agR9YilACC8L2UAmnDJsft2xWlO b07chohxzG7xDB3J+bqVaMoSrNljFZcSamWc9wW+uH9NiT+TA4SsQP0SWcbE28tHM18q mTwYKTOwdk+pUBUgpdGK/EFNza0fSDoIXyaZqjkdpT4EJZKVcnEyqtf/0ogGJ8b1WYnh 3TrhBjACarraJTY0jKNBogI4gswvHw4aUqukhNA/+NdjDgM5YBCHb/Z0lxBjmFJOTwTK IvKidRrYHkitWYQfblSGRj+3MOR6AywPx/kgY9mxZa3glzSQfeGZZHHr2wvtoZ1z6Lpf vPkg== 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:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=hDbmSeAqM7CnABefrdoIV33EQwgfzsxS6CwWc2ozMxc=; b=HUMduHlKUUADvcWM66v7+Bf5xy+uuQHBdwO3y6d0w9ttCXqf36Q81rSy+uMqWCKJTY 5+uLkyjx6KxfBeA0uwhO7DvPx3Is2MRduQIuAJ/AY+6K4VvIEab9IbLKrPi40CaLf2yz 7CQZBZJUfn6SqPf40mGBNQpb9vB+vYYDjNgwAbaf1wdD1CSo786Izs0B5ridnMRbX1NO 5BmE+TUFG2XNV1XKUf/gYAUOT54YKZ3hOUNi8zQjNTmJeAfkSwfFls3D0cBhEB3AzJq9 GG9pyTEcovrFm+Hvx0QD6Zm1vh7pYKCao/w27A4w7DAhrC+Ge14xpoxrmVh9gljhM5Q8 Nb0A== X-Gm-Message-State: APjAAAUWsf/G78Zshg/x5LDl8snJYXyqR/T3qWdZ/ey2SHcnUdsaqi/1 2OVv+QpiUFLatIYwHDoUh59mhw== X-Google-Smtp-Source: APXvYqxy1N/BNXHHumn8ArufQ0S1e3+SjdYte+WSSnMyakBpI1Ibu103uf5GY4RSvgofZXfNb2fYxQ== X-Received: by 2002:a62:b615:: with SMTP id j21mr20995178pff.190.1565358091327; Fri, 09 Aug 2019 06:41:31 -0700 (PDT) Subject: Re: [PATCH] floppy: fix usercopy direction To: alex.popov@linux.com, Jann Horn Cc: Jiri Kosina , linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, Al Viro , Mukesh Ojha , "kernel-hardening@lists.openwall.com" , Denis Efremov , Julia Lawall , Gilles Muller , Nicolas Palix , Michal Marek , cocci@systeme.lip6.fr References: <20190326220348.61172-1-jannh@google.com> <9ced7a06-5048-ad1a-3428-c8f943f7469c@linux.com> From: Jens Axboe Message-ID: Date: Fri, 9 Aug 2019 06:41:28 -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: <9ced7a06-5048-ad1a-3428-c8f943f7469c@linux.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit On 8/9/19 6:36 AM, Alexander Popov wrote: > Hello everyone! > > On 27.03.2019 1:03, Jann Horn wrote: >> As sparse points out, these two copy_from_user() should actually be >> copy_to_user(). > > I've spent some time on these bugs, but it turned out that they are already public. > > I think Jann's patch is lost, it is not applied to the mainline. > So I add a new floppy maintainer Denis Efremov to CC. Looks like it got lost indeed, I will just apply this one directly for 5.4. -- Jens Axboe