linux-kernel - Re: maybe similar bug exists for HCI_EV_INQUIRY_RESULT* like [Linux-kernel-mentees] [PATCH v2] net/bluetooth: slab-out-of-bounds read in hci_extended_inquiry_result

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Message-ID: <20210701210645.GA14471@PWN>
Date:   Thu, 1 Jul 2021 17:06:45 -0400
From:   Peilin Ye <yepeilin.cs@...il.com>
To:     Alexander Larkin <avlarkin82@...il.com>
Cc:     davem@...emloft.net, johan.hedberg@...il.com, kuba@...nel.org,
        linux-bluetooth@...r.kernel.org,
        linux-kernel-mentees@...ts.linuxfoundation.org,
        linux-kernel@...r.kernel.org, linux@...linux.org.uk,
        marcel@...tmann.org, netdev@...r.kernel.org,
        syzkaller-bugs@...glegroups.com
Subject: Re: maybe similar bug exists for HCI_EV_INQUIRY_RESULT* like
 [Linux-kernel-mentees] [PATCH v2] net/bluetooth: slab-out-of-bounds read in
 hci_extended_inquiry_result_evt()

On Thu, Jul 01, 2021 at 06:39:36PM +0300, Alexander Larkin wrote:
> For the net/bluetooth/hci_event.c , maybe similar bug could be inside
> hci_inquiry_result_with_rssi_evt() that is HCI_EV_INQUIRY_RESULT_WITH_RSSI
> and inside hci_inquiry_result_evt() that is HCI_EV_INQUIRY_RESULT. 

Hi Alexander,

Thanks for looking into this, I believe they were handled in commit
629b49c848ee ("Bluetooth: Prevent out-of-bounds read in
hci_inquiry_result_with_rssi_evt()") and commit 75bbd2ea50ba ("Bluetooth:
Prevent out-of-bounds read in hci_inquiry_result_evt()").

Thanks,
Peilin Ye