From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1425354AbdDUThH (ORCPT ); Fri, 21 Apr 2017 15:37:07 -0400 Received: from shards.monkeyblade.net ([184.105.139.130]:37536 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1425309AbdDUThF (ORCPT ); Fri, 21 Apr 2017 15:37:05 -0400 Date: Fri, 21 Apr 2017 15:37:02 -0400 (EDT) Message-Id: <20170421.153702.1599786428994860703.davem@davemloft.net> To: torvalds@linux-foundation.org Cc: andreyknvl@google.com, edumazet@google.com, kuznet@ms2.inr.ac.ru, jmorris@namei.org, yoshfuji@linux-ipv6.org, kaber@trash.net, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, alexander.h.duyck@intel.com, dsa@cumulusnetworks.com, daniel@iogearbox.net, me@tobin.cc, jiri@mellanox.com, stephen@networkplumber.org, dvyukov@google.com, kcc@google.com, syzkaller@googlegroups.com Subject: Re: net/core: BUG in unregister_netdevice_many From: David Miller In-Reply-To: References: X-Mailer: Mew version 6.7 on Emacs 24.5 / Mule 6.0 (HANACHIRUSATO) Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.12 (shards.monkeyblade.net [149.20.54.216]); Fri, 21 Apr 2017 11:55:42 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Linus Torvalds Date: Fri, 21 Apr 2017 10:42:48 -0700 > Over to Eric and networking people. This oops is user-triggerable, and > leaves the machine in a bad state (the original BUG_ON() and the new > GP fault both happen while holding the RTNL, so networking is not > healthy afterwards. I have the fix in my tree and will push it to shortly.