Re: [PATCH v0] hamradio: improve the incomplete fix to avoid NPD

From: patchwork-bot+netdevbpf
Date: Sat Dec 18 2021 - 07:40:32 EST


Hello:

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

On Fri, 17 Dec 2021 10:13:56 +0800 you wrote:
> The previous commit 3e0588c291d6 ("hamradio: defer ax25 kfree after
> unregister_netdev") reorder the kfree operations and unregister_netdev
> operation to prevent UAF.
>
> This commit improves the previous one by also deferring the nullify of
> the ax->tty pointer. Otherwise, a NULL pointer dereference bug occurs.
> Partial of the stack trace is shown below.
>
> [...]

Here is the summary with links:
- [v0] hamradio: improve the incomplete fix to avoid NPD
https://git.kernel.org/netdev/net/c/b2f37aead1b8

You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html