From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from zimbra.alphalink.fr ([217.15.80.77]:47675 "EHLO zimbra.alphalink.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750782AbeCFSpu (ORCPT ); Tue, 6 Mar 2018 13:45:50 -0500 Date: Tue, 6 Mar 2018 19:45:46 +0100 From: Guillaume Nault To: Eric Dumazet Cc: David Miller , netdev , James Chapman Subject: Re: [PATCH net] l2tp: do not accept arbitrary sockets Message-ID: <20180306184546.GA1351@alphalink.fr> References: <1520351693.109662.17.camel@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1520351693.109662.17.camel@gmail.com> Sender: netdev-owner@vger.kernel.org List-ID: On Tue, Mar 06, 2018 at 07:54:53AM -0800, Eric Dumazet wrote: > From: Eric Dumazet > > syzkaller found an issue caused by lack of sufficient checks > in l2tp_tunnel_create() > > RAW sockets can not be considered as UDP ones for instance. > Indeed, missing checks have been the source of so many reports. Acked-by: Guillaume Nault