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=-3.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,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 5E1DEC433E0 for ; Tue, 7 Jul 2020 08:11:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 42DF6206C3 for ; Tue, 7 Jul 2020 08:11:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727096AbgGGILU (ORCPT ); Tue, 7 Jul 2020 04:11:20 -0400 Received: from mx2.suse.de ([195.135.220.15]:60278 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725874AbgGGILT (ORCPT ); Tue, 7 Jul 2020 04:11:19 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id 0ED26AF3B; Tue, 7 Jul 2020 08:11:19 +0000 (UTC) Date: Tue, 07 Jul 2020 10:11:18 +0200 Message-ID: From: Takashi Iwai To: Xidong Wang Cc: Jaroslav Kysela , Takashi Iwai , alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 1/1] ALSA: opl3: fix infoleak in opl3 In-Reply-To: <1594006058-30362-1-git-send-email-wangxidong_97@163.com> References: <1594006058-30362-1-git-send-email-wangxidong_97@163.com> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI/1.14.6 (Maruoka) FLIM/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL/10.8 Emacs/25.3 (x86_64-suse-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 06 Jul 2020 05:27:38 +0200, Xidong Wang wrote: > > From: xidongwang > > The stack object “info” in snd_opl3_ioctl() has a leaking problem. > It has 2 padding bytes which are not initialized and leaked via > “copy_to_user”. > > Signed-off-by: xidongwang Applied, thanks. Takashi