From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Dumazet Subject: Re: [PATCH net] bonding: avoid lockdep confusion in bond_get_stats() Date: Tue, 31 Jul 2018 06:28:50 -0700 Message-ID: <714200ef-93b2-d613-5ae8-30eeeabffae5@gmail.com> References: <20180731132522.57029-1-edumazet@google.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Cc: netdev , Eric Dumazet , Jay Vosburgh , Veaceslav Falico , Andy Gospodarek To: Eric Dumazet , "David S . Miller" Return-path: Received: from mail-pg1-f194.google.com ([209.85.215.194]:36446 "EHLO mail-pg1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729723AbeGaPJM (ORCPT ); Tue, 31 Jul 2018 11:09:12 -0400 Received: by mail-pg1-f194.google.com with SMTP id s7-v6so9087550pgv.3 for ; Tue, 31 Jul 2018 06:28:52 -0700 (PDT) In-Reply-To: <20180731132522.57029-1-edumazet@google.com> Content-Language: en-US Sender: netdev-owner@vger.kernel.org List-ID: On 07/31/2018 06:25 AM, Eric Dumazet wrote: > syzbot found that the following sequence produces a LOCKDEP splat [1] > > ip link add bond10 type bond > ip link add bond11 type bond > ip link set bond11 master bond10 ... > +static struct lock_class_key bond_netdev_addr_lock_key; > + Oops, this part is not needed, I will send a V2