linux-kernel - Re: [PATCH] NFC: port100: fix use-after-free in port100_send

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Message-Id: <164688541034.5045.14625682237475664726.git-patchwork-notify@kernel.org>
Date:   Thu, 10 Mar 2022 04:10:10 +0000
From:   patchwork-bot+netdevbpf@...nel.org
To:     Pavel Skripkin <paskripkin@...il.com>
Cc:     krzysztof.kozlowski@...onical.com, sameo@...ux.intel.com,
        thierry.escande@...ux.intel.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        syzbot+16bcb127fb73baeecb14@...kaller.appspotmail.com
Subject: Re: [PATCH] NFC: port100: fix use-after-free in port100_send_complete

Hello:

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

On Tue,  8 Mar 2022 21:50:07 +0300 you wrote:
> Syzbot reported UAF in port100_send_complete(). The root case is in
> missing usb_kill_urb() calls on error handling path of ->probe function.
> 
> port100_send_complete() accesses devm allocated memory which will be
> freed on probe failure. We should kill this urbs before returning an
> error from probe function to prevent reported use-after-free
> 
> [...]

Here is the summary with links:
  - NFC: port100: fix use-after-free in port100_send_complete
    https://git.kernel.org/netdev/net/c/f80cfe2f2658

You are awesome, thank you!
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