netdev - Re: [PATCH] net: Only allow init netns to set default tcp cong to a restricted algo

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Date:   Tue, 04 May 2021 19:10:10 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Jonathon Reinhart <jonathon.reinhart@...il.com>
Cc:     netdev@...r.kernel.org, edumazet@...gle.com, davem@...emloft.net,
        yoshfuji@...ux-ipv6.org, dsahern@...nel.org, kuba@...nel.org,
        stephen@...workplumber.org
Subject: Re: [PATCH] net: Only allow init netns to set default tcp cong to a
 restricted algo

Hello:

This patch was applied to netdev/net.git (refs/heads/master):

On Sat,  1 May 2021 04:28:22 -0400 you wrote:
> tcp_set_default_congestion_control() is netns-safe in that it writes
> to &net->ipv4.tcp_congestion_control, but it also sets
> ca->flags |= TCP_CONG_NON_RESTRICTED which is not namespaced.
> This has the unintended side-effect of changing the global
> net.ipv4.tcp_allowed_congestion_control sysctl, despite the fact that it
> is read-only: 97684f0970f6 ("net: Make tcp_allowed_congestion_control
> readonly in non-init netns")
> 
> [...]

Here is the summary with links:
  - net: Only allow init netns to set default tcp cong to a restricted algo
    https://git.kernel.org/netdev/net/c/8d432592f30f

You are awesome, thank you!
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