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Subject: Re: [PATCH] Bluetooth: L2CAP: uninitialized variables in
 l2cap_sock_setsockopt()
From:   Marcel Holtmann <marcel@holtmann.org>
In-Reply-To: <20220107071644.GC22086@kili>
Date:   Fri, 7 Jan 2022 08:40:48 +0100
Cc:     Christoph Hellwig <hch@lst.de>,
        Johan Hedberg <johan.hedberg@gmail.com>,
        Luiz Augusto von Dentz <luiz.dentz@gmail.com>,
        Stefan Schmidt <stefan@datenfreihafen.org>,
        Matthieu Baerts <matthieu.baerts@tessares.net>,
        linux-bluetooth@vger.kernel.org, kernel-janitors@vger.kernel.org
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Message-Id: <15BB58F3-4D63-4901-837D-00DF3A8F0847@holtmann.org>
References: <20220107071644.GC22086@kili>
To:     Dan Carpenter <dan.carpenter@oracle.com>
Precedence: bulk

Hi Dan,

> The "opt" variable is a u32, but on some paths only the top bytes
> were initialized and the others contained random stack data.
> 
> Fixes: a7b75c5a8c41 ("net: pass a sockptr_t into ->setsockopt")
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
> ---
> net/bluetooth/l2cap_sock.c | 14 ++++++++------
> 1 file changed, 8 insertions(+), 6 deletions(-)

patch has been applied to bluetooth-next tree.

Regards

Marcel