netdev - Re: [PATCH net] bnxt: prevent skb UAF after handing over to PTP worker

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Message-Id: <166385761431.22604.16014801539211187116.git-patchwork-notify@kernel.org>
Date:   Thu, 22 Sep 2022 14:40:14 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     davem@...emloft.net, netdev@...r.kernel.org, edumazet@...gle.com,
        pabeni@...hat.com, michael.chan@...adcom.com,
        pavan.chebbi@...adcom.com, edwin.peer@...adcom.com,
        andrew.gospodarek@...adcom.com
Subject: Re: [PATCH net] bnxt: prevent skb UAF after handing over to PTP worker

Hello:

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

On Wed, 21 Sep 2022 13:10:05 -0700 you wrote:
> When reading the timestamp is required bnxt_tx_int() hands
> over the ownership of the completed skb to the PTP worker.
> The skb should not be used afterwards, as the worker may
> run before the rest of our code and free the skb, leading
> to a use-after-free.
> 
> Since dev_kfree_skb_any() accepts NULL make the loss of
> ownership more obvious and set skb to NULL.
> 
> [...]

Here is the summary with links:
  - [net] bnxt: prevent skb UAF after handing over to PTP worker
    https://git.kernel.org/netdev/net/c/c31f26c8f69f

You are awesome, thank you!
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