From: Greg KH <greg@kroah.com>
To: Marcel Holtmann <marcel@holtmann.org>
Cc: Jiri Slaby <jslaby@suse.cz>,
Jeffy Chen <jeffy.chen@rock-chips.com>,
stable <stable@vger.kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
"open list:BLUETOOTH DRIVERS" <linux-bluetooth@vger.kernel.org>,
rvaswani@nvidia.com, Brian Norris <briannorris@chromium.org>,
dmitry.torokhov@gmail.com,
Douglas Anderson <dianders@chromium.org>,
acho@suse.com, Johan Hedberg <johan.hedberg@gmail.com>,
Network Development <netdev@vger.kernel.org>,
"David S. Miller" <davem@davemloft.net>,
"Gustavo F. Padovan" <gustavo@padovan.org>
Subject: Re: Stable apply request [was: Bluetooth: bnep: fix possible might sleep error in bnep_session]
Date: Sun, 27 Aug 2017 15:10:14 +0200 [thread overview]
Message-ID: <20170827131014.GA10491@kroah.com> (raw)
In-Reply-To: <E0E7758A-9E4C-4179-8403-D8895424586B@holtmann.org>
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 :)
prev parent reply other threads:[~2017-08-27 13:10 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-27 9:34 [RESEND PATCH v4 1/3] Bluetooth: bnep: fix possible might sleep error in bnep_session Jeffy Chen
2017-06-27 9:34 ` [RESEND PATCH v4 2/3] Bluetooth: cmtp: fix possible might sleep error in cmtp_session Jeffy Chen
[not found] ` <1498556084-25346-1-git-send-email-jeffy.chen-TNX95d0MmH7DzftRWevZcw@public.gmane.org>
2017-06-27 9:34 ` [RESEND PATCH v4 3/3] Bluetooth: hidp: fix possible might sleep error in hidp_session_thread Jeffy Chen
2017-06-27 17:32 ` [RESEND PATCH v4 1/3] Bluetooth: bnep: fix possible might sleep error in bnep_session Marcel Holtmann
2017-08-23 7:29 ` Stable apply request [was: Bluetooth: bnep: fix possible might sleep error in bnep_session] Jiri Slaby
2017-08-23 18:07 ` Stable apply request David Miller
2017-08-23 18:14 ` Stable apply request [was: Bluetooth: bnep: fix possible might sleep error in bnep_session] Marcel Holtmann
2017-08-27 13:10 ` Greg KH [this message]
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