linux-kernel - Re: [PATCH] tipc: fix a potential deadlock on &tx->lock

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Message-Id: <169645142664.7929.9991674504549336321.git-patchwork-notify@kernel.org>
Date:   Wed, 04 Oct 2023 20:30:26 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Chengfeng Ye <dg573847474@...il.com>
Cc:     jmaloy@...hat.com, ying.xue@...driver.com, davem@...emloft.net,
        edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
        netdev@...r.kernel.org, tipc-discussion@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] tipc: fix a potential deadlock on &tx->lock

Hello:

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

On Wed, 27 Sep 2023 18:14:14 +0000 you wrote:
> It seems that tipc_crypto_key_revoke() could be be invoked by
> wokequeue tipc_crypto_work_rx() under process context and
> timer/rx callback under softirq context, thus the lock acquisition
> on &tx->lock seems better use spin_lock_bh() to prevent possible
> deadlock.
> 
> This flaw was found by an experimental static analysis tool I am
> developing for irq-related deadlock.
> 
> [...]

Here is the summary with links:
  - tipc: fix a potential deadlock on &tx->lock
    https://git.kernel.org/netdev/net/c/08e50cf07184

You are awesome, thank you!
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