linux-kernel - Re: [PATCH] sock: fix potential memory leak in proto

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Date:   Mon, 19 Aug 2019 18:12:19 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     zhang.lin16@....com.cn
Cc:     ast@...nel.org, daniel@...earbox.net, kafai@...com,
        songliubraving@...com, yhs@...com, willemb@...gle.com,
        edumazet@...gle.com, deepa.kernel@...il.com, arnd@...db.de,
        dh.herrmann@...il.com, gnault@...hat.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, bpf@...r.kernel.org,
        xue.zhihong@....com.cn, wang.yi59@....com.cn,
        jiang.xuexin@....com.cn
Subject: Re: [PATCH] sock: fix potential memory leak in proto_register()

From: zhanglin <zhang.lin16@....com.cn>
Date: Mon, 19 Aug 2019 09:35:56 +0800

> If protocols registered exceeded PROTO_INUSE_NR, prot will be
> added to proto_list, but no available bit left for prot in
> proto_inuse_idx.
> 
> Signed-off-by: zhanglin <zhang.lin16@....com.cn>

This won't build with CONFIG_PROC_FS disabled.