linux-kernel - Re: [PATCH net] net: sparx5: Fix use after free inside sparx5_del_mact

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Message-Id: 
 <170961422549.11055.14570418226395792148.git-patchwork-notify@kernel.org>
Date: Tue, 05 Mar 2024 04:50:25 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Horatiu Vultur <horatiu.vultur@...rochip.com>
Cc: davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
 pabeni@...hat.com, lars.povlsen@...rochip.com, Steen.Hegelund@...rochip.com,
 daniel.machon@...rochip.com, UNGLinuxDriver@...rochip.com,
 bjarni.jonasson@...rochip.com, netdev@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net] net: sparx5: Fix use after free inside
 sparx5_del_mact_entry

Hello:

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

On Fri, 1 Mar 2024 09:06:08 +0100 you wrote:
> Based on the static analyzis of the code it looks like when an entry
> from the MAC table was removed, the entry was still used after being
> freed. More precise the vid of the mac_entry was used after calling
> devm_kfree on the mac_entry.
> The fix consists in first using the vid of the mac_entry to delete the
> entry from the HW and after that to free it.
> 
> [...]

Here is the summary with links:
  - [net] net: sparx5: Fix use after free inside sparx5_del_mact_entry
    https://git.kernel.org/netdev/net/c/89d72d4125e9

You are awesome, thank you!
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