From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Ahern <dsahern@gmail.com>
Subject: Re: [PATCH net-next] net/ipv6: fix LOCKDEP issue in
 rt6_remove_exception_rt()
Date: Tue, 24 Apr 2018 10:25:14 -0600
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References: <20180424162249.41820-1-edumazet@google.com>
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Cc: netdev <netdev@vger.kernel.org>,
        Eric Dumazet <eric.dumazet@gmail.com>
To: Eric Dumazet <edumazet@google.com>,
        "David S . Miller" <davem@davemloft.net>
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On 4/24/18 10:22 AM, Eric Dumazet wrote:
> rt6_remove_exception_rt() is called under rcu_read_lock() only.
> 
> We lock rt6_exception_lock a bit later, so we do not hold
> rt6_exception_lock yet.
> 
> Fixes: 8a14e46f1402 ("net/ipv6: Fix missing rcu dereferences on from")
> Signed-off-by: Eric Dumazet <edumazet@google.com>
> Reported-by: syzbot <syzkaller@googlegroups.com>
> Cc: David Ahern <dsahern@gmail.com>
> ---
>  net/ipv6/route.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
>

Acked-by: David Ahern <dsahern@gmail.com>

Thanks, Eric.