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=-8.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A, 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 D1F7CC433E2 for ; Mon, 31 Aug 2020 00:56:41 +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 9A70B2071B for ; Mon, 31 Aug 2020 00:56:41 +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="NLu8swRM"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=sf.net header.i=@sf.net header.b="c9MmG5P9" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9A70B2071B 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-2.v29.lw.sourceforge.com) by sfs-ml-2.v29.lw.sourceforge.com with esmtp (Exim 4.90_1) (envelope-from ) id 1kCY7j-0005Oc-Jp; Mon, 31 Aug 2020 00:56:39 +0000 Received: from [172.30.20.202] (helo=mx.sourceforge.net) by sfs-ml-2.v29.lw.sourceforge.com with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kCY7i-0005OV-PC for linux-f2fs-devel@lists.sourceforge.net; Mon, 31 Aug 2020 00:56:38 +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=CY1L4GX7OnGaNRvG8Aa0Fmyc1h86opRxvcE+BGd+2Vo=; b=NLu8swRMycz2oW2Z98CUROgqdJ cMg2wiTUymm1wEPq9OMQ24LvwzoIh05kI5nUkqQnMRMvExMvVkWg9fdfAtYh3kwfwEGL5BBXFlZI8 mDNTlWAHzZrQl5QdPvGJ0UmxUQLArDKZXBEMwxI6bWOzT7burYt529yDgyFo0wXcV6jk=; 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=CY1L4GX7OnGaNRvG8Aa0Fmyc1h86opRxvcE+BGd+2Vo=; b=c9MmG5P9e3DDOe10VW0CV4ur7v 42okyaucqcqeO96mq6b8Mf3ypbM2CNlpWtT2qgRWA0npOhRNWQDpFvzL3oe85XVxFR8j/Wag1ipv4 r4i/ARWKWFGpFWNvwa5L8d2oLds4ZZXnYi4kU1G6AKu92HRr/xd7aoS3D8NIlKLrNFtw=; Received: from szxga06-in.huawei.com ([45.249.212.32] 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 1kCY7e-007SbS-8T for linux-f2fs-devel@lists.sourceforge.net; Mon, 31 Aug 2020 00:56:38 +0000 Received: from DGGEMS412-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id 9B5D5810D6957D17F1B9; Mon, 31 Aug 2020 08:56:14 +0800 (CST) Received: from [10.136.114.67] (10.136.114.67) by smtp.huawei.com (10.3.19.212) with Microsoft SMTP Server (TLS) id 14.3.487.0; Mon, 31 Aug 2020 08:56:11 +0800 To: Dan Robertson , Jaegeuk Kim , Chao Yu References: <20200830214523.7417-1-dan@dlrobertson.com> <20200830214523.7417-2-dan@dlrobertson.com> From: Chao Yu Message-ID: Date: Mon, 31 Aug 2020 08:56:11 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <20200830214523.7417-2-dan@dlrobertson.com> Content-Language: en-US X-Originating-IP: [10.136.114.67] X-CFilter-Loop: Reflected X-Headers-End: 1kCY7e-007SbS-8T Subject: Re: [f2fs-dev] [PATCH v3 1/1] f2fs: check position in move range ioctl 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-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net On 2020/8/31 5:45, Dan Robertson wrote: > When the move range ioctl is used, check the input and output position and > ensure that it is a non-negative value. Without this check > f2fs_get_dnode_of_data may hit a memmory bug. > > Signed-off-by: Dan Robertson 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