Re: Crasher during remote initiated pairing

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hi Bastien,

On Mon, Nov 25, 2013, Bastien Nocera wrote:
> I have a particularly stubborn device, the TomTom Go Remote that tries
> to connect to my computer as soon as it's turned on, even when I've
> removed the pairing on the computer side.
> 
> With GNOME's Bluetooth wizard open, I receive an out of the blue request
> for pairing, I pass it the expected PIN code (0000), I then find that
> the wizard doesn't work as I expected and turn it off. bluetoothd
> promptly crashes:
> 
> Program received signal SIGSEGV, Segmentation fault.
> 0x00007f0cf9ffde24 in agent_auth_cb (agent=<optimized out>, derr=0x7fffab655920, user_data=0x7f0cfb2e0020) at src/adapter.c:4370
> 4370		struct service_auth *auth = adapter->auths->head->data;
> (gdb) p adapter
> $1 = (struct btd_adapter *) 0x7f0cfb2e0020
> (gdb) p adapter->auths
> $2 = (GQueue *) 0x7f0cfb2d1240
> (gdb) p adapter->auths->head
> $3 = 0x0
> 
> Some missing NULL checks?
> 
> I imagine that this should be reproduceable using simple-agent and
> making it exit after replying to RequestPinCode.

The agent_auth_cb is actually not used for pairing but for
authorization, so whether it's RequestPinCode or RequestPasskey wont
matter for the above backtrace. Anyway, I was never able to reproduce
the exact same issue as you had, but I did find two places needing some
extra checks (one in adapter.c and another in agent.c). So it'd be good
if you could give the latest git a spin and see if you can still
reproduce the crash.

Johan
--
To unsubscribe from this list: send the line "unsubscribe linux-bluetooth" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Bluez Devel]     [Linux Wireless Networking]     [Linux Wireless Personal Area Networking]     [Linux ATH6KL]     [Linux USB Devel]     [Linux Media Drivers]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [Big List of Linux Books]

  Powered by Linux