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Subject: Re: [PATCH net v2] af_unix: Fix data races in
 unix_release_sock/unix_stream_sendmsg
From: patchwork-bot+netdevbpf@kernel.org
Message-Id: 
 <171539463396.29955.9318182800976964824.git-patchwork-notify@kernel.org>
Date: Sat, 11 May 2024 02:30:33 +0000
References: <20240509081459.2807828-1-leitao@debian.org>
In-Reply-To: <20240509081459.2807828-1-leitao@debian.org>
To: Breno Leitao <leitao@debian.org>
Cc: kuniyu@amazon.com, davem@davemloft.net, edumazet@google.com,
 kuba@kernel.org, pabeni@redhat.com, netdev@vger.kernel.org, horms@kernel.org,
 paulmck@kernel.org, dhowells@redhat.com, alexander@mihalicyn.com,
 john.fastabend@gmail.com, daan.j.demeyer@gmail.com,
 linux-kernel@vger.kernel.org

Hello:

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

On Thu,  9 May 2024 01:14:46 -0700 you wrote:
> A data-race condition has been identified in af_unix. In one data path,
> the write function unix_release_sock() atomically writes to
> sk->sk_shutdown using WRITE_ONCE. However, on the reader side,
> unix_stream_sendmsg() does not read it atomically. Consequently, this
> issue is causing the following KCSAN splat to occur:
> 
> 	BUG: KCSAN: data-race in unix_release_sock / unix_stream_sendmsg
> 
> [...]

Here is the summary with links:
  - [net,v2] af_unix: Fix data races in unix_release_sock/unix_stream_sendmsg
    https://git.kernel.org/netdev/net/c/540bf24fba16

You are awesome, thank you!
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