From: Gustavo Padovan <gustavo@padovan.org>
To: Minho Ban <mhban@samsung.com>
Cc: Marcel Holtmann <marcel@holtmann.org>,
Johan Hedberg <johan.hedberg@gmail.com>,
"David S. Miller" <davem@davemloft.net>,
linux-bluetooth@vger.kernel.org, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] Bluetooth: Fix null pointer dereference in l2cap_chan_send
Date: Mon, 21 May 2012 13:17:07 -0300 [thread overview]
Message-ID: <20120521161707.GD16942@joana> (raw)
In-Reply-To: <4FB9932B.9070101@samsung.com>
Hi Minho,
* Minho Ban <mhban@samsung.com> [2012-05-21 09:58:19 +0900]:
> If l2cap_chan_send is called will null conn it will cause kernel Oops.
> This patch checks if conn is valid before entering l2cap_chan_send.
chan->conn should be always valid, and if not we have a bug somewhere else in
the code and not in l2cap_chan_send(). It could be a locking problem maybe.
Also check if you can reproduce this with latest bluetooth-next.
Gustavo
next prev parent reply other threads:[~2012-05-21 16:17 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-21 0:58 [PATCH] Bluetooth: Fix null pointer dereference in l2cap_chan_send Minho Ban
2012-05-21 16:17 ` Gustavo Padovan [this message]
2012-05-22 1:21 ` Minho Ban
2012-05-22 1:21 ` Minho Ban
2012-05-22 12:35 ` Chanyeol Park
2012-05-22 12:35 ` Chanyeol Park
2012-05-24 6:32 ` Minho Ban
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