netdev - Re: [Patch net] bpf: check NULL for sk_to_full

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Date:   Mon, 17 Jul 2017 13:38:59 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     xiyou.wangcong@...il.com
Cc:     netdev@...r.kernel.org, dsahern@...il.com, brakmo@...com,
        daniel@...earbox.net
Subject: Re: [Patch net] bpf: check NULL for sk_to_full_sk() return value

From: Cong Wang <xiyou.wangcong@...il.com>
Date: Mon, 17 Jul 2017 11:42:55 -0700

> When req->rsk_listener is NULL, sk_to_full_sk() returns
> NULL too, so we have to check its return value against
> NULL here.
> 
> Fixes: 40304b2a1567 ("bpf: BPF support for sock_ops")
> Reported-by: David Ahern <dsahern@...il.com>
> Tested-by: David Ahern <dsahern@...il.com>
> Cc: Lawrence Brakmo <brakmo@...com>
> Cc: Daniel Borkmann <daniel@...earbox.net>
> Signed-off-by: Cong Wang <xiyou.wangcong@...il.com>

Applied, thanks.