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

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Message-ID: <596D0AC9.7070505@iogearbox.net>
Date:   Mon, 17 Jul 2017 21:06:49 +0200
From:   Daniel Borkmann <daniel@...earbox.net>
To:     Cong Wang <xiyou.wangcong@...il.com>, netdev@...r.kernel.org
CC:     dsahern@...il.com, Lawrence Brakmo <brakmo@...com>
Subject: Re: [Patch net] bpf: check NULL for sk_to_full_sk() return value

On 07/17/2017 08:42 PM, Cong Wang wrote:
> 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>

Acked-by: Daniel Borkmann <daniel@...earbox.net>