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From: Marcel Holtmann <marcel@holtmann.org>
To: Mat Martineau <mathewm@codeaurora.org>
Cc: linux-bluetooth@vger.kernel.org, gustavo@padovan.org,
	rshaffer@codeaurora.org, linux-arm-msm@vger.kernel.org
Subject: Re: [PATCH 3/8] Bluetooth:  Validate PSM values in calls to connect() and bind().
Date: Mon, 02 Aug 2010 12:39:51 -0700	[thread overview]
Message-ID: <1280777991.12579.39.camel@localhost.localdomain> (raw)
In-Reply-To: <1280776810-18213-4-git-send-email-mathewm@codeaurora.org>

Hi Mat,

> Signed-off-by: Mat Martineau <mathewm@codeaurora.org>
> ---
>  net/bluetooth/l2cap.c |   12 ++++++++++++
>  1 files changed, 12 insertions(+), 0 deletions(-)
> 
> diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
> index aed72f2..44bc6ee 100644
> --- a/net/bluetooth/l2cap.c
> +++ b/net/bluetooth/l2cap.c
> @@ -1008,6 +1008,12 @@ static int l2cap_sock_bind(struct socket *sock, struct sockaddr *addr, int alen)
>  		goto done;
>  	}
>  
> +	/* If specified, PSM must be odd and lsb of upper byte must be 0 */
> +	if (la.l2_psm && (__le16_to_cpu(la.l2_psm) & 0x0101) != 0x0001) {
> +		err = -EINVAL;
> +		goto done;
> +	}
> +

this was a nice feature of L2CAP in BlueZ actually ;)

I am fine with forbidding this. However, please send a patch that fixes
l2test's default PSM first. Otherwise you gonna break that one.

Regards

Marcel



  reply	other threads:[~2010-08-02 19:39 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-08-02 19:20 [PATCH 0/8] Bluetooth: L2CAP updates for PSM validation and ERTM Mat Martineau
2010-08-02 19:20 ` [PATCH 1/8] Bluetooth: Make sure the L2CAP FCS is only enabled for ERTM or streaming Mat Martineau
2010-08-02 19:38   ` Marcel Holtmann
2010-08-02 21:20     ` Gustavo F. Padovan
2010-08-02 19:20 ` [PATCH 2/8] Bluetooth: Change default ERTM retransmit timeout to 2 seconds, as the spec requires Mat Martineau
2010-08-02 19:40   ` Marcel Holtmann
2010-08-02 19:20 ` [PATCH 3/8] Bluetooth: Validate PSM values in calls to connect() and bind() Mat Martineau
2010-08-02 19:39   ` Marcel Holtmann [this message]
2010-08-02 21:24     ` Gustavo F. Padovan
2010-08-02 19:20 ` [PATCH 4/8] Bluetooth: Do endianness conversion on MPS configuration value before doing comparisons Mat Martineau
2010-08-02 19:41   ` Marcel Holtmann
2010-08-02 19:20 ` [PATCH 5/8] Bluetooth: Don't modify remote_tx_win when receiving a config response. Only config requests should set remote_tx_win Mat Martineau
2010-08-02 19:42   ` Marcel Holtmann
2010-08-02 19:20 ` [PATCH 6/8] Bluetooth: Move stream-oriented recvmsg code so it can be used by L2CAP Mat Martineau
2010-08-02 19:46   ` Marcel Holtmann
2010-08-02 22:13     ` Mat Martineau
2010-08-02 19:20 ` [PATCH 7/8] Bluetooth: Use a stream-oriented recvmsg with SOCK_STREAM L2CAP sockets Mat Martineau
2010-08-02 19:53   ` Marcel Holtmann
2010-08-02 19:20 ` [PATCH 8/8] Bluetooth: Use 3-DH5 payload size for default ERTM max PDU size Mat Martineau
2010-08-02 19:48   ` Marcel Holtmann
2010-08-03 16:13     ` Mat Martineau
2010-08-02 19:50 ` [PATCH 0/8] Bluetooth: L2CAP updates for PSM validation and ERTM Marcel Holtmann
2010-08-02 22:02   ` Mat Martineau
2010-08-02 22:09     ` Marcel Holtmann

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