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From: patchwork-bot+netdevbpf@kernel.org
To: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Cc: netdev@vger.kernel.org, linux-net-drivers@amd.com,
	bpf@vger.kernel.org, davem@davemloft.net, toke@redhat.com,
	ast@kernel.org, daniel@iogearbox.net, ecree.xilinx@gmail.com,
	edumazet@google.com, kuba@kernel.org, hawk@kernel.org,
	john.fastabend@gmail.com, habetsm.xilinx@gmail.com,
	pabeni@redhat.com, tglx@linutronix.de, mon@unformed.ru
Subject: Re: [PATCH net] sfc: Don't invoke xdp_do_flush() from netpoll.
Date: Thu, 03 Oct 2024 22:50:31 +0000	[thread overview]
Message-ID: <172799583176.2017964.8627494683961349191.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20241002125837.utOcRo6Y@linutronix.de>

Hello:

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

On Wed, 2 Oct 2024 14:58:37 +0200 you wrote:
> Yury reported a crash in the sfc driver originated from
> netpoll_send_udp(). The netconsole sends a message and then netpoll
> invokes the driver's NAPI function with a budget of zero. It is
> dedicated to allow driver to free TX resources, that it may have used
> while sending the packet.
> 
> In the netpoll case the driver invokes xdp_do_flush() unconditionally,
> leading to crash because bpf_net_context was never assigned.
> 
> [...]

Here is the summary with links:
  - [net] sfc: Don't invoke xdp_do_flush() from netpoll.
    https://git.kernel.org/netdev/net/c/55e802468e1d

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html



      parent reply	other threads:[~2024-10-03 22:50 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-10-02 12:58 [PATCH net] sfc: Don't invoke xdp_do_flush() from netpoll Sebastian Andrzej Siewior
2024-10-02 13:36 ` Edward Cree
2024-10-03 22:44 ` Jakub Kicinski
2024-10-03 22:50 ` patchwork-bot+netdevbpf [this message]

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