netdev - Re: [PATCH net-next] net: sock: add the case if sk is NULL

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Message-ID: <d5973390-72cf-a7be-0319-72f1b2d200f9@gmail.com>
Date:   Mon, 9 Aug 2021 11:15:43 +0200
From:   Eric Dumazet <eric.dumazet@...il.com>
To:     Yajun Deng <yajun.deng@...ux.dev>, davem@...emloft.net,
        kuba@...nel.org
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next] net: sock: add the case if sk is NULL



On 8/6/21 8:38 AM, Yajun Deng wrote:
> Add the case if sk is NULL in sock_{put, hold},
> The caller is free to use it.
> 

Can we please stop adding code like that all over the places ?

This is wrong, fix the callers that are lazy, or fix the real bug
if this is a syzbot report.