netdev - Re: [PATCH net] netlink: annotate accesses to nlk->cb

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Date: Wed, 10 May 2023 08:30:22 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Eric Dumazet <edumazet@...gle.com>
Cc: davem@...emloft.net, kuba@...nel.org, pabeni@...hat.com,
 netdev@...r.kernel.org, eric.dumazet@...il.com, syzkaller@...glegroups.com
Subject: Re: [PATCH net] netlink: annotate accesses to nlk->cb_running

Hello:

This patch was applied to netdev/net.git (main)
by David S. Miller <davem@...emloft.net>:

On Tue,  9 May 2023 16:56:34 +0000 you wrote:
> Both netlink_recvmsg() and netlink_native_seq_show() read
> nlk->cb_running locklessly. Use READ_ONCE() there.
> 
> Add corresponding WRITE_ONCE() to netlink_dump() and
> __netlink_dump_start()
> 
> syzbot reported:
> BUG: KCSAN: data-race in __netlink_dump_start / netlink_recvmsg
> 
> [...]

Here is the summary with links:
  - [net] netlink: annotate accesses to nlk->cb_running
    https://git.kernel.org/netdev/net/c/a939d14919b7

You are awesome, thank you!
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