linux-kernel - Re: [PATCH] nfc: nfcsim: fix use after free during module unload

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Message-Id: <162746460574.7734.11456826869103789563.git-patchwork-notify@kernel.org>
Date:   Wed, 28 Jul 2021 09:30:05 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
Cc:     davem@...emloft.net, kuba@...nel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, stable@...r.kernel.org
Subject: Re: [PATCH] nfc: nfcsim: fix use after free during module unload

Hello:

This patch was applied to netdev/net.git (refs/heads/master):

On Wed, 28 Jul 2021 08:49:09 +0200 you wrote:
> There is a use after free memory corruption during module exit:
>  - nfcsim_exit()
>   - nfcsim_device_free(dev0)
>     - nfc_digital_unregister_device()
>       This iterates over command queue and frees all commands,
>     - dev->up = false
>     - nfcsim_link_shutdown()
>       - nfcsim_link_recv_wake()
>         This wakes the sleeping thread nfcsim_link_recv_skb().
> 
> [...]

Here is the summary with links:
  - nfc: nfcsim: fix use after free during module unload
    https://git.kernel.org/netdev/net/c/5e7b30d24a5b

You are awesome, thank you!
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