From mboxrd@z Thu Jan  1 00:00:00 1970
From: patchwork-bot+netdevbpf@kernel.org
Subject: Re: [PATCH] ax25: Fix NULL pointer dereference in ax25_kill_by_device
Date: Wed, 09 Mar 2022 12:50:10 +0000
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To: Duoming Zhou <duoming@zju.edu.cn>
Cc: linux-hams@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org, kuba@kernel.org, davem@davemloft.net, ralf@linux-mips.org, jreuter@yaina.de

Hello:

This patch was applied to netdev/net.git (master)
by David S. Miller <davem@davemloft.net>:

On Tue,  8 Mar 2022 16:12:23 +0800 you wrote:
> When two ax25 devices attempted to establish connection, the requester use ax25_create(),
> ax25_bind() and ax25_connect() to initiate connection. The receiver use ax25_rcv() to
> accept connection and use ax25_create_cb() in ax25_rcv() to create ax25_cb, but the
> ax25_cb->sk is NULL. When the receiver is detaching, a NULL pointer dereference bug
> caused by sock_hold(sk) in ax25_kill_by_device() will happen. The corresponding
> fail log is shown below:
> 
> [...]

Here is the summary with links:
  - ax25: Fix NULL pointer dereference in ax25_kill_by_device
    https://git.kernel.org/netdev/net/c/71171ac8eb34

You are awesome, thank you!
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