Re: Stable apply request [was: Bluetooth: bnep: fix possible might sleep error in bnep_session]

From: Greg KH
Date: Sun Aug 27 2017 - 09:10:27 EST


On Wed, Aug 23, 2017 at 08:14:15PM +0200, Marcel Holtmann wrote:
> 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.

All now picked up :)