From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932808AbeCIXCV (ORCPT ); Fri, 9 Mar 2018 18:02:21 -0500 Received: from Chamillionaire.breakpoint.cc ([146.0.238.67]:56570 "EHLO Chamillionaire.breakpoint.cc" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932186AbeCIXCT (ORCPT ); Fri, 9 Mar 2018 18:02:19 -0500 Date: Sat, 10 Mar 2018 00:02:12 +0100 From: Florian Westphal To: Eric Dumazet Cc: Cong Wang , syzbot , coreteam@netfilter.org, David Miller , Florian Westphal , Jozsef Kadlecsik , LKML , Linux Kernel Network Developers , netfilter-devel@vger.kernel.org, Pablo Neira Ayuso , syzkaller-bugs@googlegroups.com Subject: Re: WARNING in __proc_create Message-ID: <20180309230212.GD19924@breakpoint.cc> References: <001a113f2be668a1e9056701e617@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Eric Dumazet wrote: > >>fs/proc/generic.c:354 > > > >We need to reject empty names. > > > > I sent a patch a while back, but Pablo/Florian wanted more than that simple > fix. > > We also need to filter special characters like '/' > > Or maybe I am mixing with something else. Argh, sorry, this fell off the truck it seems :( I'll work on this tomorrow unless someone else does it today ;)