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Subject: Re: bluetooth: If unknown option in L2CAP Configuration Request is a
 hint, Bluetooth stack responds with "Command Reject" instead of
 "Configuration Response"
From:   Marcel Holtmann <marcel@holtmann.org>
In-Reply-To: <308de3c58372c552ec9e170e3020f05bbe7f4908.camel@peiker-cee.de>
Date:   Wed, 29 Jan 2020 10:01:32 +0100
Cc:     "linux-bluetooth@vger.kernel.org" <linux-bluetooth@vger.kernel.org>
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References: <3020b8d0c7d39428aec573153b3c3414213be7ce.camel@peiker-cee.de>
 <89F234DA-089E-4F45-9D32-7A09CC52E8CD@holtmann.org>
 <308de3c58372c552ec9e170e3020f05bbe7f4908.camel@peiker-cee.de>
To:     Konstantin Forostyan <konstantin.forostyan@peiker-cee.de>
Sender: linux-bluetooth-owner@vger.kernel.org
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Hi Konstantin,

> Unfortunately, I don't have a possibility to test 5.5 kernel. As far as
> I can see, the most recent version available to the public via
> git.kernel.org is 5.3-rc3 and the problematic part in
> /net/bluetooth/l2cap_core.c file is the same for 4.20 and 5.3-rc3.
> Hence I suppose it will behave the same way as 4.20.

can you include the btmon trace for the PTS test case so that I see what PTS sends and what we are responding.

Regards

Marcel