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=-5.1 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=ham 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 E0355C0044D for ; Thu, 12 Mar 2020 01:08:22 +0000 (UTC) Received: from lists.sourceforge.net (lists.sourceforge.net [216.105.38.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E59FD2072F for ; Thu, 12 Mar 2020 01:08:22 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=sourceforge.net header.i=@sourceforge.net header.b="HQYsIZpg"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=sf.net header.i=@sf.net header.b="PVs6vBd3" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E59FD2072F Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linux-f2fs-devel-bounces@lists.sourceforge.net Received: from [127.0.0.1] (helo=sfs-ml-4.v29.lw.sourceforge.com) by sfs-ml-4.v29.lw.sourceforge.com with esmtp (Exim 4.90_1) (envelope-from ) id 1jCCKk-0001rd-BY; Thu, 12 Mar 2020 01:08:22 +0000 Received: from [172.30.20.202] (helo=mx.sourceforge.net) by sfs-ml-4.v29.lw.sourceforge.com with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jCCKj-0001rR-HJ for linux-f2fs-devel@lists.sourceforge.net; Thu, 12 Mar 2020 01:08:21 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sourceforge.net; s=x; h=Content-Transfer-Encoding:Content-Type:In-Reply-To: MIME-Version:Date:Message-ID:From:References:CC:To:Subject:Sender:Reply-To: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=yrOy+v1AMyzRwIEN9KLSugL95NP3m2LZ2yUEH0/tOgw=; b=HQYsIZpger0P+ebEOvrnM57HXk PYONazxab6SgskY1uK3J+cn3197YYd94BK3cnjTaArq9h9edzctGLCsLf3tSoIQv7IDxkw58SryZj 4X39J52QV88RpUt2Fjd8nzMYIVKDyzv0pdA+ef2Wq22/LG0ldNwlzP77TMvspGTvaYzk=; DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sf.net; s=x ; h=Content-Transfer-Encoding:Content-Type:In-Reply-To:MIME-Version:Date: Message-ID:From:References:CC:To:Subject:Sender:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=yrOy+v1AMyzRwIEN9KLSugL95NP3m2LZ2yUEH0/tOgw=; b=PVs6vBd3h06YiJQ7Uf9xwI0A12 uGUJofEUBsuMMCl34NBu5pqZfQPQJ5lb6ex/FfscLIp5u/1/lCbj8vaoDaTWXQeBG4vWFxdo0QiAh 9rb5C6oemqZNgSziEoaUv/CcWvf2bOSygnfzfiMZ4woTCtB9eZlv+XEsTLlhMDwgry5w=; Received: from szxga05-in.huawei.com ([45.249.212.191] helo=huawei.com) by sfi-mx-3.v28.lw.sourceforge.com with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.92.2) id 1jCCKf-0058x4-Qa for linux-f2fs-devel@lists.sourceforge.net; Thu, 12 Mar 2020 01:08:21 +0000 Received: from DGGEMS414-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id 1BBF8F8766DE74A22738; Thu, 12 Mar 2020 09:08:09 +0800 (CST) Received: from [10.134.22.195] (10.134.22.195) by smtp.huawei.com (10.3.19.214) with Microsoft SMTP Server (TLS) id 14.3.487.0; Thu, 12 Mar 2020 09:08:04 +0800 To: Takashi Iwai , Jaegeuk Kim , Chao Yu References: <20200311093353.25008-1-tiwai@suse.de> From: Chao Yu Message-ID: <0a18cc80-92cb-a61c-a525-1266c7e3c2b1@huawei.com> Date: Thu, 12 Mar 2020 09:08:03 +0800 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <20200311093353.25008-1-tiwai@suse.de> Content-Language: en-US X-Originating-IP: [10.134.22.195] X-CFilter-Loop: Reflected X-Headers-End: 1jCCKf-0058x4-Qa Subject: Re: [f2fs-dev] [PATCH] f2fs: Use scnprintf() for avoiding potential buffer overflow X-BeenThere: linux-f2fs-devel@lists.sourceforge.net X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-f2fs-devel@lists.sourceforge.net Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net On 2020/3/11 17:33, 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(). > > Signed-off-by: Takashi Iwai Reviewed-by: Chao Yu Thanks, _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel