From: patchwork-bot+netdevbpf@kernel.org
To: Lin Ma <linma@zju.edu.cn>
Cc: linux-hams@vger.kernel.org, jreuter@yaina.de,
ralf@linux-mips.org, davem@davemloft.net, kuba@kernel.org,
netdev@vger.kernel.org, nagi@zju.edu.cn
Subject: Re: [PATCH v0] ax25: NPD bug when detaching AX25 device
Date: Sat, 18 Dec 2021 12:40:10 +0000 [thread overview]
Message-ID: <163983121017.1461.2630742040562872080.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20211217022941.27901-1-linma@zju.edu.cn>
Hello:
This patch was applied to netdev/net.git (master)
by David S. Miller <davem@davemloft.net>:
On Fri, 17 Dec 2021 10:29:41 +0800 you wrote:
> The existing cleanup routine implementation is not well synchronized
> with the syscall routine. When a device is detaching, below race could
> occur.
>
> static int ax25_sendmsg(...) {
> ...
> lock_sock()
> ax25 = sk_to_ax25(sk);
> if (ax25->ax25_dev == NULL) // CHECK
> ...
> ax25_queue_xmit(skb, ax25->ax25_dev->dev); // USE
> ...
> }
>
> [...]
Here is the summary with links:
- [v0] ax25: NPD bug when detaching AX25 device
https://git.kernel.org/netdev/net/c/1ade48d0c27d
You are awesome, thank you!
--
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prev parent reply other threads:[~2021-12-18 12:40 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-17 2:29 [PATCH v0] ax25: NPD bug when detaching AX25 device Lin Ma
2021-12-18 12:40 ` patchwork-bot+netdevbpf [this message]
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