linux-kernel - Re: [PATCH] net: Fix potential memory leak in proto

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Date:   Tue, 11 Aug 2020 15:37:18 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     linmiaohe@...wei.com
Cc:     kuba@...nel.org, edumazet@...gle.com, kafai@...com,
        daniel@...earbox.net, jakub@...udflare.com, keescook@...omium.org,
        zhang.lin16@....com.cn, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net: Fix potential memory leak in proto_register()

From: Miaohe Lin <linmiaohe@...wei.com>
Date: Mon, 10 Aug 2020 08:16:58 -0400

> If we failed to assign proto idx, we free the twsk_slab_name but forget to
> free the twsk_slab. Add a helper function tw_prot_cleanup() to free these
> together and also use this helper function in proto_unregister().
> 
> Fixes: b45ce32135d1 ("sock: fix potential memory leak in proto_register()")
> Signed-off-by: Miaohe Lin <linmiaohe@...wei.com>

Applied and queued up for -stable, thanks.