Hi Tony,
On Wed, Nov 4, 2015 at 4:38 PM, tony <tony.makkiel@xxxxxxxxxxxxxxxxxxxx> wrote:
> Hello,
> I am getting a segfault within BlueZ-5.36.
>
> [ 8816.157843] bluetoothd[9264]: segfault at 2000000064 ip 00007fb2da31d216
> sp 00007ffc65426b48 error 4 in libc-2.19.so[7fb2da1dd000+1bb000].
>
> "deviceinfo_init" seems to be the cause of the problem. As 'external' flag
> is set for "deviceinfo_profile", one of the entry in
>
> GSList ext_profiles
>
> will be of type 'struct btd_profile'.
>
> Unfortunately later when "src/profile.c:register_profile" calls
> "find_ext_profile", g_strcmp0 tries to access "ext->owner" which does not
> exist for "deviceinfo" entry.
Are you sure it is really crashing in g_strcmp0, it is supposed to
handle NULL pointers and in fact it was introduced to fix this
problem. Can you try to provide a backtrace, perhaps something else
needs fixing.
> The problem was gone by removing external flag.
>
> --- a/profiles/deviceinfo/deviceinfo.c
> +++ b/profiles/deviceinfo/deviceinfo.c
> @@ -142,7 +142,6 @@ static int deviceinfo_driver_accept(struct btd_service
> *service)
> static struct btd_profile deviceinfo_profile = {
> .name = "deviceinfo",
> .remote_uuid = DEVICE_INFORMATION_UUID,
> - .external = true,
> .device_probe = deviceinfo_driver_probe,
> .device_remove = deviceinfo_driver_remove,
> .accept = deviceinfo_driver_accept,
>
> Many Thanks,
> Tony
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--
Luiz Augusto von Dentz
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