linux-kernel - Re: [PATCH net] net: mediatek: Fix potential NULL pointer dereference in dummy net

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Message-Id: 
 <172189983199.31991.12505677109278779843.git-patchwork-notify@kernel.org>
Date: Thu, 25 Jul 2024 09:30:31 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Breno Leitao <leitao@...ian.org>
Cc: nbd@....name, sean.wang@...iatek.com, Mark-MC.Lee@...iatek.com,
 lorenzo@...nel.org, davem@...emloft.net, edumazet@...gle.com,
 kuba@...nel.org, pabeni@...hat.com, matthias.bgg@...il.com,
 angelogioacchino.delregno@...labora.com, leit@...a.com,
 dan.carpenter@...aro.org, netdev@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH net] net: mediatek: Fix potential NULL pointer dereference in
 dummy net_device handling

Hello:

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

On Wed, 24 Jul 2024 01:05:23 -0700 you wrote:
> Move the freeing of the dummy net_device from mtk_free_dev() to
> mtk_remove().
> 
> Previously, if alloc_netdev_dummy() failed in mtk_probe(),
> eth->dummy_dev would be NULL. The error path would then call
> mtk_free_dev(), which in turn called free_netdev() assuming dummy_dev
> was allocated (but it was not), potentially causing a NULL pointer
> dereference.
> 
> [...]

Here is the summary with links:
  - [net] net: mediatek: Fix potential NULL pointer dereference in dummy net_device handling
    https://git.kernel.org/netdev/net/c/16f3a28cf5f8

You are awesome, thank you!
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