From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH v2] core: dev: don't call BUG() on bad input Date: Mon, 14 Feb 2011 11:36:45 -0800 (PST) Message-ID: <20110214.113645.189699477.davem@davemloft.net> References: <20110214152310.GA24429@albatros> <20110214.112521.104056910.davem@davemloft.net> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: segoon@openwall.com, adobriyan@gmail.com, linux-kernel@vger.kernel.org, eric.dumazet@gmail.com, xiaosuo@gmail.com, jesse@nicira.com, netdev@vger.kernel.org To: therbert@google.com Return-path: Received: from 74-93-104-97-Washington.hfc.comcastbusiness.net ([74.93.104.97]:45248 "EHLO sunset.davemloft.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751026Ab1BNTgJ (ORCPT ); Mon, 14 Feb 2011 14:36:09 -0500 In-Reply-To: Sender: netdev-owner@vger.kernel.org List-ID: From: Tom Herbert Date: Mon, 14 Feb 2011 11:33:29 -0800 > On Mon, Feb 14, 2011 at 11:25 AM, David Miller wrote: >> From: Vasiliy Kulikov >> Date: Mon, 14 Feb 2011 18:23:10 +0300 >> >>> On Mon, Feb 14, 2011 at 17:16 +0200, Alexey Dobriyan wrote: >>>> Netdevice name isn't some random junk you get from userspace, so BUG is fine. >>> >>> It IS for bluetooth, see net/bluetooth/bnep/core.c: bnep_add_connection() and >>> net/bluetooth/bnep/sock.c: bnep_sock_ioctl(). >> >> If bluetooth wants to allow something so foolish, then it's bluetooth's >> responsibility to sanity check the arguments before blinding passing >> them into kernel APIs which expect sane inputs. >> >> I'm not applying this. >> > > Changing to BUG_ON(txqs < 1) and BUG_ON(rxqs < 1) does make sense I think. Sure.