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Date:   Tue, 11 Aug 2020 15:37:18 -0700 (PDT)
From:   David Miller <>
Subject: Re: [PATCH] net: Fix potential memory leak in proto_register()

From: Miaohe Lin <>
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 <>

Applied and queued up for -stable, thanks.

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