netdev - Re: [PATCH net 1/2] net: tun: avoid disabling NAPI twice

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Message-Id: <165661501404.16120.7210700918246805550.git-patchwork-notify@kernel.org>
Date:   Thu, 30 Jun 2022 18:50:14 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Jakub Kicinski <kuba@...nel.org>
Cc:     edumazet@...gle.com, netdev@...r.kernel.org, davem@...emloft.net,
        pabeni@...hat.com, syzkaller@...glegroups.com, ppenkov@...atrix.com
Subject: Re: [PATCH net 1/2] net: tun: avoid disabling NAPI twice

Hello:

This series was applied to netdev/net.git (master)
by Jakub Kicinski <kuba@...nel.org>:

On Wed, 29 Jun 2022 11:19:10 -0700 you wrote:
> Eric reports that syzbot made short work out of my speculative
> fix. Indeed when queue gets detached its tfile->tun remains,
> so we would try to stop NAPI twice with a detach(), close()
> sequence.
> 
> Alternative fix would be to move tun_napi_disable() to
> tun_detach_all() and let the NAPI run after the queue
> has been detached.
> 
> [...]

Here is the summary with links:
  - [net,1/2] net: tun: avoid disabling NAPI twice
    https://git.kernel.org/netdev/net/c/ff1fa2081d17
  - [net,2/2] selftest: tun: add test for NAPI dismantle
    https://git.kernel.org/netdev/net/c/839b92fede7b

You are awesome, thank you!
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