netdev - Re: [PATCH v2 net] af_unix: Read sk->sk_hash under bindlock during bind().

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Date: Mon, 27 May 2024 09:50:29 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Kuniyuki Iwashima <kuniyu@...zon.com>
Cc: davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
 pabeni@...hat.com, kuni1840@...il.com, netdev@...r.kernel.org,
 syzkaller@...glegroups.com
Subject: Re: [PATCH v2 net] af_unix: Read sk->sk_hash under bindlock during
 bind().

Hello:

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

On Thu, 23 May 2024 00:42:18 +0900 you wrote:
> syzkaller reported data-race of sk->sk_hash in unix_autobind() [0],
> and the same ones exist in unix_bind_bsd() and unix_bind_abstract().
> 
> The three bind() functions prefetch sk->sk_hash locklessly and
> use it later after validating that unix_sk(sk)->addr is NULL under
> unix_sk(sk)->bindlock.
> 
> [...]

Here is the summary with links:
  - [v2,net] af_unix: Read sk->sk_hash under bindlock during bind().
    https://git.kernel.org/netdev/net/c/51d1b25a7209

You are awesome, thank you!
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