Hi Jiri,

>>> It looks like bnep_session has same pattern as the issue reported in
>>> old rfcomm:
>>> 
>>>     while (1) {
>>>             set_current_state(TASK_INTERRUPTIBLE);
>>>             if (condition)
>>>                     break;
>>>             // may call might_sleep here
>>>             schedule();
>>>     }
>>>     __set_current_state(TASK_RUNNING);
>>> 
>>> Which fixed at:
>>>     dfb2fae Bluetooth: Fix nested sleeps
>>> 
>>> So let's fix it at the same way, also follow the suggestion of:
>>> https://lwn.net/Articles/628628/
> 
> ...
> 
>> all 3 patches have been applied to bluetooth-next tree.
> 
> Hi,
> 
> given users are hitting it in at least 4.4 and 4.12, can we have all
> three in all stables where this applies?
> 
> 5da8e47d849d Bluetooth: hidp: fix possible might sleep error in
> hidp_session_thread
> f06d977309d0 Bluetooth: cmtp: fix possible might sleep error in cmtp_session
> 25717382c1dd Bluetooth: bnep: fix possible might sleep error in bnep_session
> 
> I am not sure: to stable directly or via net stable?

as Dave said, just email -stable directly and have Greg pick them up.

Regards

Marcel

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