netdev - Re: [PATCH v1 net] af_packet: Fix data-races of pkt

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Message-Id: 
 <168507422098.22221.577900661698187414.git-patchwork-notify@kernel.org>
Date: Fri, 26 May 2023 04:10:20 +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, willemdebruijn.kernel@...il.com, xemul@...allels.com,
 kuni1840@...il.com, netdev@...r.kernel.org, syzkaller@...glegroups.com
Subject: Re: [PATCH v1 net] af_packet: Fix data-races of pkt_sk(sk)->num.

Hello:

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

On Wed, 24 May 2023 16:29:34 -0700 you wrote:
> syzkaller found a data race of pkt_sk(sk)->num.
> 
> The value is changed under lock_sock() and po->bind_lock, so we
> need READ_ONCE() to access pkt_sk(sk)->num without these locks in
> packet_bind_spkt(), packet_bind(), and sk_diag_fill().
> 
> Note that WRITE_ONCE() is already added by commit c7d2ef5dd4b0
> ("net/packet: annotate accesses to po->bind").
> 
> [...]

Here is the summary with links:
  - [v1,net] af_packet: Fix data-races of pkt_sk(sk)->num.
    https://git.kernel.org/netdev/net/c/822b5a1c17df

You are awesome, thank you!
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