From: patchwork-bot+netdevbpf@kernel.org
To: Hyunwoo Kim <v4bel@theori.io>
Cc: pabeni@redhat.com, davem@davemloft.net, edumazet@google.com,
kuniyu@amazon.com, imv4bel@gmail.com, kuba@kernel.org,
horms@kernel.org, dhowells@redhat.com, lukas.bulwahn@gmail.com,
mkl@pengutronix.de, netdev@vger.kernel.org
Subject: Re: [PATCH v3] appletalk: Fix Use-After-Free in atalk_ioctl
Date: Thu, 14 Dec 2023 11:10:25 +0000 [thread overview]
Message-ID: <170255222524.10804.9204019996221133985.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20231213041056.GA519680@v4bel-B760M-AORUS-ELITE-AX>
Hello:
This patch was applied to netdev/net.git (main)
by Paolo Abeni <pabeni@redhat.com>:
On Tue, 12 Dec 2023 23:10:56 -0500 you wrote:
> Because atalk_ioctl() accesses sk->sk_receive_queue
> without holding a sk->sk_receive_queue.lock, it can
> cause a race with atalk_recvmsg().
> A use-after-free for skb occurs with the following flow.
> ```
> atalk_ioctl() -> skb_peek()
> atalk_recvmsg() -> skb_recv_datagram() -> skb_free_datagram()
> ```
> Add sk->sk_receive_queue.lock to atalk_ioctl() to fix this issue.
>
> [...]
Here is the summary with links:
- [v3] appletalk: Fix Use-After-Free in atalk_ioctl
https://git.kernel.org/netdev/net/c/189ff16722ee
You are awesome, thank you!
--
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prev parent reply other threads:[~2023-12-14 11:10 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-13 4:10 [PATCH v3] appletalk: Fix Use-After-Free in atalk_ioctl Hyunwoo Kim
2023-12-14 11:10 ` patchwork-bot+netdevbpf [this message]
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