netdev - Re: [PATCH v3] appletalk: Fix Use-After-Free in atalk

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Message-Id: 
 <170255222524.10804.9204019996221133985.git-patchwork-notify@kernel.org>
Date: Thu, 14 Dec 2023 11:10:25 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Hyunwoo Kim <v4bel@...ori.io>
Cc: pabeni@...hat.com, davem@...emloft.net, edumazet@...gle.com,
 kuniyu@...zon.com, imv4bel@...il.com, kuba@...nel.org, horms@...nel.org,
 dhowells@...hat.com, lukas.bulwahn@...il.com, mkl@...gutronix.de,
 netdev@...r.kernel.org
Subject: Re: [PATCH v3] appletalk: Fix Use-After-Free in atalk_ioctl

Hello:

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