netdev - Re: [PATCH net] bonding: avoid lockdep confusion in bond_get

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Message-ID: <714200ef-93b2-d613-5ae8-30eeeabffae5@gmail.com>
Date:   Tue, 31 Jul 2018 06:28:50 -0700
From:   Eric Dumazet <eric.dumazet@...il.com>
To:     Eric Dumazet <edumazet@...gle.com>,
        "David S . Miller" <davem@...emloft.net>
Cc:     netdev <netdev@...r.kernel.org>,
        Eric Dumazet <eric.dumazet@...il.com>,
        Jay Vosburgh <j.vosburgh@...il.com>,
        Veaceslav Falico <vfalico@...il.com>,
        Andy Gospodarek <andy@...yhouse.net>
Subject: Re: [PATCH net] bonding: avoid lockdep confusion in bond_get_stats()



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