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=-4.1 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS 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 987FFC433E3 for ; Tue, 28 Jul 2020 12:22:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 720DA206D4 for ; Tue, 28 Jul 2020 12:22:43 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="tWs0cbIE" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728604AbgG1MWn (ORCPT ); Tue, 28 Jul 2020 08:22:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44292 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728300AbgG1MWm (ORCPT ); Tue, 28 Jul 2020 08:22:42 -0400 Received: from mail-lj1-x242.google.com (mail-lj1-x242.google.com [IPv6:2a00:1450:4864:20::242]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4A15FC061794 for ; Tue, 28 Jul 2020 05:22:42 -0700 (PDT) Received: by mail-lj1-x242.google.com with SMTP id g6so8273621ljn.11 for ; Tue, 28 Jul 2020 05:22:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=TESeuYU5SfzLxBWMQ4kl8vP13Tpf9d4XmBM8Gp63Ao8=; b=tWs0cbIEtxsoEEWx87oQK2/AgPlRAXgY0LbgzgRA3ewO5DWL6Fyxb8WS3aulE9/J9C X3RsXavLk4qFUAWa4p05w6NqoVN+pucr64IBxtUbfF0Mf29aAXTZyAEJTyX15Z9ovorj wQEi4O2bCR8ckUmBIg6mwgpxBnP5IMhwzOd86n02qGgjjYaAjBM79Rn3x2dlCYpTnBqV I+UTfpEnvgnzhrgm3JZqje3nsXlj8agQslaPouGHWhmpPABmgolCN9NXsxPDZd1PQh+v NGQwfGtgnwr0M3pbpqj4n2+rOU/1w12GWAALbgiFNbUtF3NmRBGZFe+sqUlrg1pbaDHE v+qA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=TESeuYU5SfzLxBWMQ4kl8vP13Tpf9d4XmBM8Gp63Ao8=; b=KYietagCjCjPSXcWlUUNEhH0H9sXQuQxLFNKTKxof9J9/+OSAOLLZ+URSqvk0XSNyo 5iNd+LPT8YD2IOB4nXkJFX1RHa1IeYZ9Az2CKld1xAh6tNeD40xNtGEEXtaZ0/l5uowd 2qDJm8Uye1ODkLWlj36raGYmj1ZrQPMjjeToGqaAgeUHNH28lxPJBqn5zEOtGe0ZhjrD 4zqzhjPfFJg4U7feoFqKUhRxzgWVGk+kjZRjagTkWetmPko1QLzqKo+n2ZO49WtPVJgL K06uzuzsBaJRIlOt2mM+BgRbUbMMK4ro6K3jl5r8xWMVTTq5Z72Up8bKa/XzjTwqs/6V UleQ== X-Gm-Message-State: AOAM532usgkXoaNY2q9+OLVoAnLsRir1Q3SxVsJx1XGJFz9yoxf9/LKJ sVOw76Vs18kwriiIZoJti9X6IRT2B+ojTKzjurxARA== X-Google-Smtp-Source: ABdhPJxFKokBgoeIMtwaFCWZjTjcyuOq58U+G8s0TH2HfjNeeOsLST8x9LgKqX+cy/D0oEkPhul5xgMLR5yLY5nKt8c= X-Received: by 2002:a2e:90e:: with SMTP id 14mr5500607ljj.293.1595938960755; Tue, 28 Jul 2020 05:22:40 -0700 (PDT) MIME-Version: 1.0 References: <20200726220557.102300-1-yepeilin.cs@gmail.com> <20200726222703.102701-1-yepeilin.cs@gmail.com> <20200727131608.GD1913@kadam> In-Reply-To: <20200727131608.GD1913@kadam> From: Linus Walleij Date: Tue, 28 Jul 2020 14:22:29 +0200 Message-ID: Subject: Re: [Linux-kernel-mentees] [PATCH v3] media/v4l2-core: Fix kernel-infoleak in video_put_user() To: Dan Carpenter Cc: Arnd Bergmann , Peilin Ye , Mauro Carvalho Chehab , Greg Kroah-Hartman , syzkaller-bugs , Hans Verkuil , Sakari Ailus , Laurent Pinchart , Vandana BN , Ezequiel Garcia , =?UTF-8?Q?Niklas_S=C3=B6derlund?= , linux-kernel-mentees@lists.linuxfoundation.org, Linux Media Mailing List , "linux-kernel@vger.kernel.org" Content-Type: text/plain; charset="UTF-8" Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org On Mon, Jul 27, 2020 at 3:17 PM Dan Carpenter wrote: > Here are my latest warnings on linux-next from Friday. Thanks for sharing this Dan, very interesting findings. > drivers/gpio/gpiolib-cdev.c:473 lineevent_read() warn: check that 'ge' doesn't leak information (struct has a hole after 'id') We are revamping the ABI for 64bit compatibility so we are now running pahole on our stuff. I suppose we need to think about mending this old ABI as well. Yours, Linus Walleij