linux-kernel - Re: [PATCH v2 1/1] net: fec: handle page_pool_dev_alloc

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Message-Id: 
 <173690943001.230797.14718449559307154902.git-patchwork-notify@kernel.org>
Date: Wed, 15 Jan 2025 02:50:30 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Kevin Groeneveld <kgroeneveld@...brook.com>
Cc: wei.fang@....com, shenwei.wang@....com, xiaoning.wang@....com,
 andrew+netdev@...n.ch, davem@...emloft.net, edumazet@...gle.com,
 kuba@...nel.org, pabeni@...hat.com, imx@...ts.linux.dev,
 netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/1] net: fec: handle page_pool_dev_alloc_pages error

Hello:

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

On Mon, 13 Jan 2025 10:48:45 -0500 you wrote:
> The fec_enet_update_cbd function calls page_pool_dev_alloc_pages but did
> not handle the case when it returned NULL. There was a WARN_ON(!new_page)
> but it would still proceed to use the NULL pointer and then crash.
> 
> This case does seem somewhat rare but when the system is under memory
> pressure it can happen. One case where I can duplicate this with some
> frequency is when writing over a smbd share to a SATA HDD attached to an
> imx6q.
> 
> [...]

Here is the summary with links:
  - [v2,1/1] net: fec: handle page_pool_dev_alloc_pages error
    https://git.kernel.org/netdev/net/c/001ba0902046

You are awesome, thank you!
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