linux-kernel - Re: [Linux-kernel-mentees] [PATCH v2] Bluetooth: Fix memory leak in read_adv_mon

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Date:   Fri, 11 Sep 2020 09:01:59 +0200
From:   Marcel Holtmann <marcel@...tmann.org>
To:     Peilin Ye <yepeilin.cs@...il.com>
Cc:     Johan Hedberg <johan.hedberg@...il.com>,
        Miao-chen Chou <mcchou@...omium.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-bluetooth <linux-bluetooth@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>,
        linux-kernel-mentees@...ts.linuxfoundation.org,
        syzkaller-bugs@...glegroups.com
Subject: Re: [Linux-kernel-mentees] [PATCH v2] Bluetooth: Fix memory leak in
 read_adv_mon_features()

Hi Peilin,

> read_adv_mon_features() is leaking memory. Free `rp` before returning.
> 
> Fixes: e5e1e7fd470c ("Bluetooth: Add handler of MGMT_OP_READ_ADV_MONITOR_FEATURES")
> Reported-and-tested-by: syzbot+f7f6e564f4202d8601c6@...kaller.appspotmail.com
> Link: https://syzkaller.appspot.com/bug?extid=f7f6e564f4202d8601c6
> Signed-off-by: Peilin Ye <yepeilin.cs@...il.com>
> ---
> I forgot the "Link:" tag yesterday. Sorry about that.
> 
> Change in v2:
>    - add a proper "Link:" tag.
> 
> net/bluetooth/mgmt.c | 12 ++++++++----
> 1 file changed, 8 insertions(+), 4 deletions(-)

patch has been applied to bluetooth-next tree.

Regards

Marcel