Re: [PATCH net v4] Fix race for duplicate reqsk on identical SYN
From: patchwork-bot+netdevbpf
Date: Tue Jun 25 2024 - 05:50:40 EST
Hello:
This patch was applied to netdev/net.git (main)
by Paolo Abeni <pabeni@xxxxxxxxxx>:
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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