linux-kernel - Re: [PATCH] net: tls: wait for async completion on last message

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Message-Id: 
 <172567263800.2576623.6668130104595613981.git-patchwork-notify@kernel.org>
Date: Sat, 07 Sep 2024 01:30:38 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Sascha Hauer <s.hauer@...gutronix.de>
Cc: borisp@...dia.com, john.fastabend@...il.com, kuba@...nel.org,
 davem@...emloft.net, edumazet@...gle.com, pabeni@...hat.com,
 netdev@...r.kernel.org, linux-kernel@...r.kernel.org, axboe@...nel.dk,
 asml.silence@...il.com, kernel@...gutronix.de
Subject: Re: [PATCH] net: tls: wait for async completion on last message

Hello:

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

On Wed, 04 Sep 2024 14:17:41 +0200 you wrote:
> When asynchronous encryption is used KTLS sends out the final data at
> proto->close time. This becomes problematic when the task calling
> close() receives a signal. In this case it can happen that
> tcp_sendmsg_locked() called at close time returns -ERESTARTSYS and the
> final data is not sent.
> 
> The described situation happens when KTLS is used in conjunction with
> io_uring, as io_uring uses task_work_add() to add work to the current
> userspace task. A discussion of the problem along with a reproducer can
> be found in [1] and [2]
> 
> [...]

Here is the summary with links:
  - net: tls: wait for async completion on last message
    https://git.kernel.org/netdev/net-next/c/54001d0f2fdb

You are awesome, thank you!
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