From: patchwork-bot+netdevbpf@kernel.org
To: Jakub Kicinski <kuba@kernel.org>
Cc: davem@davemloft.net, netdev@vger.kernel.org, edumazet@google.com,
pabeni@redhat.com, michael.chan@broadcom.com,
pavan.chebbi@broadcom.com, edwin.peer@broadcom.com,
andrew.gospodarek@broadcom.com
Subject: Re: [PATCH net] bnxt: prevent skb UAF after handing over to PTP worker
Date: Thu, 22 Sep 2022 14:40:14 +0000 [thread overview]
Message-ID: <166385761431.22604.16014801539211187116.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20220921201005.335390-1-kuba@kernel.org>
Hello:
This patch was applied to netdev/net.git (master)
by Jakub Kicinski <kuba@kernel.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!
--
Deet-doot-dot, I am a bot.
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prev parent reply other threads:[~2022-09-22 14:41 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-21 20:10 [PATCH net] bnxt: prevent skb UAF after handing over to PTP worker Jakub Kicinski
2022-09-21 20:25 ` Andy Gospodarek
2022-09-21 21:15 ` Michael Chan
2022-09-22 14:40 ` patchwork-bot+netdevbpf [this message]
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