netdev - Re: [PATCH v3 net] ipv6: tcp: drop silly ICMPv6 packet too big messages

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Date:   Thu, 08 Jul 2021 19:30:03 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Eric Dumazet <eric.dumazet@...il.com>
Cc:     davem@...emloft.net, kuba@...nel.org, netdev@...r.kernel.org,
        edumazet@...gle.com, maze@...gle.com, kafai@...com
Subject: Re: [PATCH v3 net] ipv6: tcp: drop silly ICMPv6 packet too big messages

Hello:

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

On Thu,  8 Jul 2021 00:21:09 -0700 you wrote:
> From: Eric Dumazet <edumazet@...gle.com>
> 
> While TCP stack scales reasonably well, there is still one part that
> can be used to DDOS it.
> 
> IPv6 Packet too big messages have to lookup/insert a new route,
> and if abused by attackers, can easily put hosts under high stress,
> with many cpus contending on a spinlock while one is stuck in fib6_run_gc()
> 
> [...]

Here is the summary with links:
  - [v3,net] ipv6: tcp: drop silly ICMPv6 packet too big messages
    https://git.kernel.org/netdev/net/c/c7bb4b89033b

You are awesome, thank you!
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