linux-kernel - Re: [PATCH net-next] selftests: drv-net: psp: fix test flakes from racy connection close

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Message-Id: 
 <176965862284.2339773.16368482662348009431.git-patchwork-notify@kernel.org>
Date: Thu, 29 Jan 2026 03:50:22 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Daniel Zahka <daniel.zahka@...il.com>
Cc: andrew+netdev@...n.ch, davem@...emloft.net, edumazet@...gle.com,
 kuba@...nel.org, pabeni@...hat.com, shuah@...nel.org, willemb@...gle.com,
 netdev@...r.kernel.org, linux-kselftest@...r.kernel.org,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next] selftests: drv-net: psp: fix test flakes from
 racy connection close

Hello:

This patch was applied to netdev/net-next.git (main)
by Jakub Kicinski <kuba@...nel.org>:

On Tue, 27 Jan 2026 08:30:55 -0800 you wrote:
> There is a bug in assoc_sk_only_mismatch() and
> assoc_sk_only_mismatch_tx() that creates a race condition which
> triggers test flakes in later test cases e.g. data_send_bad_key().
> 
> The problem is that the client uses the "conn clr" rpc to setup a data
> connection with psp_responder, but never uses a matching "data close"
> rpc. This creates a race condition where if the client can queue
> another data sock request, like in data_send_bad_key(), before the
> server can accept the old connection from the backlog we end up in a
> situation where we have two connections in the backlog: one for the
> closed connection we have received a FIN for, and one for the new PSP
> connection which is expecting to do key exchange.
> 
> [...]

Here is the summary with links:
  - [net-next] selftests: drv-net: psp: fix test flakes from racy connection close
    https://git.kernel.org/netdev/net-next/c/70de46740b62

You are awesome, thank you!
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