Re: [PATCH] work around for l2cap NULL dereference inl2cap_conn_start

[Gustavo F. Padovan]

Hi David,

* David Fries <david@xxxxxxxxx> [2011-02-27 23:03:40 -0600]:

> On Sun, Feb 27, 2011 at 04:15:45PM -0300, Gustavo F. Padovan wrote:
> > I pushed the following patch to bluetooth-2.6 tree. It should fix the problem
> > by avoiding connections to be accepted before a L2CAP info response comes:
> 
> Is
> git://git.kernel.org/pub/scm/linux/kernel/git/padovan/bluetooth-2.6.git
> the bluetooth-2.6 tree you mentioned?  I don't see your patch there.
> As a side note, the inline patch in your e-mail has the tabs replaced by
> spaces, once I changed them, it applied cleanly.
> 
> I first reverted to the base N900 kernel-power-2.6.28 46 (none of my
> changes or debugging), it crashed as expected.  I then applied your
> patch 743400e0, and it still crashed.  I added back the
> l2cap_conn_start parent check and some debugging in af_bluetooth.c
> dmesg debug output and patches follow.

I want to see a test with this patch and a recent kernel. We added many fixes
to stack in the last two years. Can you test this scenario?

-- 
Gustavo F. Padovan
http://profusion.mobi
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