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=-1.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 C9C45C10F27 for ; Wed, 11 Mar 2020 09:40:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9EBB121D7E for ; Wed, 11 Mar 2020 09:40:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1583919659; bh=r7jiRcbHhhGjHyK0P//H95LuR9L+cQjVWw1QEjnrd6k=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=p95p54lHo0CZZMelUS6hMTRdp8/7zVFoGM4In/0M6GqBK4x8/4JBYUy3JE58RbJpk HEREUi1KKmpcDHX4OYjxfSoJHfdFuS/vFYm0fZzHGk/+cmd6z3HhJwgyQwvqLmtigu dzRc/+40SemJ3WBehy+Z+Rvtgzcq82Is4xK6U2d4= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728245AbgCKJk7 (ORCPT ); Wed, 11 Mar 2020 05:40:59 -0400 Received: from mail.kernel.org ([198.145.29.99]:38062 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726160AbgCKJk7 (ORCPT ); Wed, 11 Mar 2020 05:40:59 -0400 Received: from localhost (unknown [106.201.105.99]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id CFF382146E; Wed, 11 Mar 2020 09:40:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1583919658; bh=r7jiRcbHhhGjHyK0P//H95LuR9L+cQjVWw1QEjnrd6k=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=DIh2TlAShHY2UsPAT3QhIaWmcOs+K8dT6pKOITf9CzsVs3+m7az38whDV3INCHKJA n4yFkiRFqE6gq0wwXhLlGTzIv1lRwsuiFA7KxDMUk8wO6VUrW8YV6nNphTXhUluq3+ dX+1AmgBrRIkuiR+MZpY0/yAzTaPQpVgV5izDkkA= Date: Wed, 11 Mar 2020 15:10:54 +0530 From: Vinod Koul To: Takashi Iwai Cc: Dan Williams , dmaengine@vger.kernel.org Subject: Re: [PATCH] dmaengine: ppc4xx: Use scnprintf() for avoiding potential buffer overflow Message-ID: <20200311094054.GS4885@vkoul-mobl> References: <20200311071606.4485-1-tiwai@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200311071606.4485-1-tiwai@suse.de> Sender: dmaengine-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org On 11-03-20, 08:16, Takashi Iwai wrote: > Since snprintf() returns the would-be-output size instead of the > actual output size, the succeeding calls may go beyond the given > buffer limit. Fix it by replacing with scnprintf(). Applied, thanks -- ~Vinod