netdev - Re: [PATCH net v4] Fix race for duplicate reqsk on identical SYN

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Date: Tue, 25 Jun 2024 09:50:35 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: luoxuanqiang <luoxuanqiang@...inos.cn>
Cc: kuniyu@...zon.com, edumazet@...gle.com, kuba@...nel.org,
 davem@...emloft.net, pabeni@...hat.com, dccp@...r.kernel.org,
 dsahern@...nel.org, fw@...len.de, linux-kernel@...r.kernel.org,
 netdev@...r.kernel.org, alexandre.ferrieux@...nge.com
Subject: Re: [PATCH net v4] Fix race for duplicate reqsk on identical SYN

Hello:

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

On Fri, 21 Jun 2024 09:39:29 +0800 you wrote:
> When bonding is configured in BOND_MODE_BROADCAST mode, if two identical
> SYN packets are received at the same time and processed on different CPUs,
> it can potentially create the same sk (sock) but two different reqsk
> (request_sock) in tcp_conn_request().
> 
> These two different reqsk will respond with two SYNACK packets, and since
> the generation of the seq (ISN) incorporates a timestamp, the final two
> SYNACK packets will have different seq values.
> 
> [...]

Here is the summary with links:
  - [net,v4] Fix race for duplicate reqsk on identical SYN
    https://git.kernel.org/netdev/net/c/ff46e3b44219

You are awesome, thank you!
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