linux-kernel - Re: [PATCH v2] Bluetooth: msft: fix null pointer deref on msft_monitor_device

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Message-Id: <6455AE62-B472-41E2-8B32-FFF350EF3250@holtmann.org>
Date:   Sun, 23 Jan 2022 15:30:48 +0100
From:   Marcel Holtmann <marcel@...tmann.org>
To:     Soenke Huster <soenke.huster@...oes.de>
Cc:     Johan Hedberg <johan.hedberg@...il.com>,
        Luiz Augusto von Dentz <luiz.dentz@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        BlueZ <linux-bluetooth@...r.kernel.org>,
        "open list:NETWORKING [GENERAL]" <netdev@...r.kernel.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] Bluetooth: msft: fix null pointer deref on
 msft_monitor_device_evt

Hi Soenke,

> msft_find_handle_data returns NULL if it can't find the handle.
> Therefore, handle_data must be checked, otherwise a null pointer
> is dereferenced.
> 
> Signed-off-by: Soenke Huster <soenke.huster@...oes.de>
> ---
> v2: Remove empty line
> 
> net/bluetooth/msft.c | 2 ++
> 1 file changed, 2 insertions(+)

patch has been applied to bluetooth-next tree.

Regards

Marcel