netdev - Re: [PATCH net] devlink: Fix netdev notifier chain corruption

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Message-Id: <167654521844.29376.6928357027245745496.git-patchwork-notify@kernel.org>
Date:   Thu, 16 Feb 2023 11:00:18 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Ido Schimmel <idosch@...dia.com>
Cc:     netdev@...r.kernel.org, davem@...emloft.net, kuba@...nel.org,
        pabeni@...hat.com, edumazet@...gle.com, jiri@...dia.com,
        jacob.e.keller@...el.com, sfr@...b.auug.org.au, mlxsw@...dia.com
Subject: Re: [PATCH net] devlink: Fix netdev notifier chain corruption

Hello:

This patch was applied to netdev/net.git (master)
by Paolo Abeni <pabeni@...hat.com>:

On Wed, 15 Feb 2023 09:31:39 +0200 you wrote:
> Cited commit changed devlink to register its netdev notifier block on
> the global netdev notifier chain instead of on the per network namespace
> one.
> 
> However, when changing the network namespace of the devlink instance,
> devlink still tries to unregister its notifier block from the chain of
> the old namespace and register it on the chain of the new namespace.
> This results in corruption of the notifier chains, as the same notifier
> block is registered on two different chains: The global one and the per
> network namespace one. In turn, this causes other problems such as the
> inability to dismantle namespaces due to netdev reference count issues.
> 
> [...]

Here is the summary with links:
  - [net] devlink: Fix netdev notifier chain corruption
    https://git.kernel.org/netdev/net/c/b20b8aec6ffc

You are awesome, thank you!
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