From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752795Ab3LSK2X (ORCPT ); Thu, 19 Dec 2013 05:28:23 -0500 Received: from m13-110.163.com ([220.181.13.110]:45993 "EHLO m13-110.163.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751089Ab3LSK2V (ORCPT ); Thu, 19 Dec 2013 05:28:21 -0500 X-Greylist: delayed 902 seconds by postgrey-1.27 at vger.kernel.org; Thu, 19 Dec 2013 05:28:20 EST X-Originating-IP: [166.111.131.12] Date: Thu, 19 Dec 2013 18:12:40 +0800 (CST) From: xiaoqixue_1 To: "Greg KH" Cc: xqx12 , jslaby@suse.cz, linux-kernel@vger.kernel.org, chyyuu@gmail.com, xuyongjiande@gmail.com Subject: Re:Re: [PATCH] tty: an overflow of multiplication in drivers/tty/cyclades.c X-Priority: 3 X-Mailer: Coremail Webmail Server Version SP_ntes V3.5 build 20131204(24406.5820.5783) Copyright (c) 2002-2013 www.mailtech.cn 163com In-Reply-To: <20131219005740.GA6257@kroah.com> References: <1387328429-15172-1-git-send-email-xiaoqixue_1@163.com> <20131219005740.GA6257@kroah.com> Content-Type: text/plain; charset=us-ascii MIME-Version: 1.0 Message-ID: <22cc7e30.8cb3.1430a57c434.Coremail.xiaoqixue_1@163.com> X-CM-TRANSID: bsGowEBZK0KZxrJS9NsKAA--.6173W X-CM-SenderInfo: 50ld015l0xvsqr6rljoofrz/1tbivwD4vVD+QtE-yQABsw X-Coremail-Antispam: 1U5529EdanIXcx71UUUUU7vcSsGvfC2KfnxnUU== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from base64 to 8bit by mail.home.local id rBJF5MGL004176 I am sorry for it because my git configure is not sound. my real name Qixue Xiao , and my email <xiaoqixue_1@163.com>. At 2013-12-19 08:57:40,"Greg KH" wrote: >On Wed, Dec 18, 2013 at 09:00:29AM +0800, xqx12 wrote: >> there is an overflow in the code : >> cyz_polling_cycle = (arg * HZ) / 1000, >> the multiplicator arg comes from user, so it may be an overflow if >> arg is a big number. And the value of cyc_polling_cycle will be >> wrong when it is used next time. >> >> Reported-by: Qixue Xiao >> Suggested-by: Yongjian Xu >> Suggested-by: Yu Chen >> Signed-off-by: Qixue Xiao > >I need a "real" name as the "From:" line here, especially as it doesn't >match any of these lines either :( > {.n++%ݶw{.n+{G{ayʇڙ,jfhz_(階ݢj"mG?&~iOzv^m ?I