linux-kernel - Re: [Linux-kernel-mentees] [PATCH 2/2] net/bluetooth: Prevent out-of-bounds read in hci_inquiry_result_with_rssi

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Message-Id: <1B0C88A5-05B1-49FB-9B8C-8D833BA51AD9@holtmann.org>
Date:   Mon, 13 Jul 2020 18:42:02 +0200
From:   Marcel Holtmann <marcel@...tmann.org>
To:     Peilin Ye <yepeilin.cs@...il.com>
Cc:     Johan Hedberg <johan.hedberg@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Russell King <linux@...linux.org.uk>,
        Greg KH <gregkh@...uxfoundation.org>,
        Bluetooth Kernel Mailing List 
        <linux-bluetooth@...r.kernel.org>,
        "open list:NETWORKING [GENERAL]" <netdev@...r.kernel.org>,
        linux-kernel-mentees@...ts.linuxfoundation.org,
        linux-kernel@...r.kernel.org
Subject: Re: [Linux-kernel-mentees] [PATCH 2/2] net/bluetooth: Prevent
 out-of-bounds read in hci_inquiry_result_with_rssi_evt()

Hi Peilin,

> Check `num_rsp` before using it as for-loop counter. Add `unlock` label.
> 
> Cc: stable@...r.kernel.org
> Signed-off-by: Peilin Ye <yepeilin.cs@...il.com>
> ---
> net/bluetooth/hci_event.c | 7 +++++++
> 1 file changed, 7 insertions(+)

patch has been applied to bluetooth-next tree.

Regards

Marcel