Received: by 2002:a05:6902:102b:0:0:0:0 with SMTP id x11csp835367ybt; Tue, 7 Jul 2020 01:12:28 -0700 (PDT) X-Google-Smtp-Source: ABdhPJw1vFctxKo6cd8OD+cUFS7Axj8e56+lBLcT5v6jqTHEow/K8cFxVX7BPeMlVWPnir1jGsO+ X-Received: by 2002:a17:906:2851:: with SMTP id s17mr47921284ejc.347.1594109548457; Tue, 07 Jul 2020 01:12:28 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1594109548; cv=none; d=google.com; s=arc-20160816; b=XWWlIoFKnvRjwhgiFYRTXCrO84s5Ei5Y1pbEalAh8hjRYLelSycaoisLsytXcU3Iwl VVX6HWQDvoOA9v1usZ/vRjbW280ySx2g40H2gbS3DnAApCMRt16m+412AbXvVYoMoblE R4d0RLKYMKAlC7MvizFD/Wo8JfCZlLY+8qI8KC8REhhk5CuKQzMDBTrB/rOxQrq0DNsf UY+ppUpkMgxJW3iwXgQdEotob5ggeAzzDeXzb25MLobvIRKQOXtqjIs/EESEKaXa2Pcw r6EuHRgxeY2+396lYl0lY8efSTOXfsERNSoGJSLMvD+PLce/Z178gkgP/GyUw569ZflV ZHtQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :user-agent:references:in-reply-to:subject:cc:to:from:message-id :date; bh=31kEG+zztO/VvBfCLoWJQUsHPbEs8Rr9WNJF5S9/u64=; b=HHUaA8APG2ja7vuNxVz7yCZJdFjBNjxQ7v+b8+qqhZU2Oqpr9xZ4Q1xZW6mi085xaG riKdy6/F/JaJlUCuvBSOn2208m9whFDPEoypZz3uCU+GagG+j6hrOZ9fHItQO3H0yVSA BTVsDWYk4f2s/N+MXoJa88VzlZ5buhuB+rm3866s3vfu/xBT09mMSE/m0W4nMzmPmRf1 Hjpfkg0/4kvE3Q0IcRidHRDZhFDtLCHD4Qd98/oBOb42ICVWZDWNcpVggSjIjFvlXk6m NRN2LD91RZ5rPKQxbz97w2c9czIaLjTfrWiHx+v0AgPNnYfl455Z5VnQwAdCCyd4QbL5 GqXA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id v8si14708172edr.557.2020.07.07.01.12.04; Tue, 07 Jul 2020 01:12:28 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726757AbgGGILU (ORCPT + 99 others); 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