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Date:   Fri, 23 Sep 2022 02:40:20 +0000
To:     Li Zhong <>
Subject: Re: [PATCH net-next v3] ethtool: tunnels: check the return value of


This patch was applied to netdev/net-next.git (master)
by Jakub Kicinski <>:

On Wed, 21 Sep 2022 11:17:16 -0700 you wrote:
> Check the return value of nla_nest_start(). When starting the entry
> level nested attributes, if the tailroom of socket buffer is
> insufficient to store the attribute header and payload, the return value
> will be NULL. It will cause null pointer dereference when entry is used
> in nla_nest_end().
> Signed-off-by: Li Zhong <>
> [...]

Here is the summary with links:
  - [net-next,v3] ethtool: tunnels: check the return value of nla_nest_start()

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