netdev - Re: [PATCH] net: do not allow changing SO_REUSEADDR/SO

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Message-ID: <65de8d5d-b24b-1755-1268-e36a3d9306c2@gmail.com>
Date:   Mon, 4 Jun 2018 10:24:13 -0700
From:   Eric Dumazet <eric.dumazet@...il.com>
To:     Maciej Żenczykowski <zenczykowski@...il.com>,
        Maciej Żenczykowski <maze@...gle.com>,
        "David S . Miller" <davem@...emloft.net>
Cc:     Eric Dumazet <edumazet@...gle.com>, netdev@...r.kernel.org
Subject: Re: [PATCH] net: do not allow changing SO_REUSEADDR/SO_REUSEPORT on
 bound sockets



On 06/03/2018 10:47 AM, Maciej Żenczykowski wrote:
> From: Maciej Żenczykowski <maze@...gle.com>
> 
> It is not safe to do so because such sockets are already in the
> hash tables and changing these options can result in invalidating
> the tb->fastreuse(port) caching.
> 

Reviewed-by: Eric Dumazet <edumazet@...gle.com>