Bug#992121: linux-image-5.10.0-8-amd64: kernel oops and subsequent hard crash in bluetooth bt_sock_poll, regression, upstream patch

[Salvatore Bonaccorso <carnil@debian.org>]

Hi Tim,

On Wed, Aug 18, 2021 at 10:54:47PM +1000, Tim Connors wrote:
> On Thu, 12 Aug 2021, Salvatore Bonaccorso wrote:
> 
> > > https://www.spinics.net/lists/linux-bluetooth/msg88356.html
> > >
> > > points to a patch that has supposedly already been applied to
> > > bluetooth-next, but is definitely not in linux-source-5.10 5.10.46-4
> > > (testing).
> > >
> > > Current code still reads:
> > >
> > >         /* cleanup runtime environment */
> > >         remove_wait_queue(sk_sleep(session->intr_sock->sk), &intr_wait);
> > >         remove_wait_queue(sk_sleep(session->intr_sock->sk), &ctrl_wait);
> > >         wake_up_interruptible(&session->report_queue);
> > >         hidp_del_timer(session);
> > >
> > > Second remove_wait_queue should be: ctrl_sock->sk
> >
> > Would it be possible that you check if the upstream commit
> > https://git.kernel.org/linus/cca342d98bef68151a80b024f7bf5f388d1fbdea
> > fixes the issue?
> >
> > It was not yet queued for the 5.10.y series, but if yes, this should
> > go to stable@ so that we then can pick it up for either cherry-picking
> > for the next bullseye upload (or a rebase to the latest 5.10.y in a
> > point release).
> 
> I've been running it for a few days now, and it seems good to me!

Thanks! I asked if this can be included in  future 5.10.y stable
update so that we can pick it up:

https://lore.kernel.org/stable/YR+9P8Na4PMXi72v@eldamar.lan/T/#u

Regards,
Salvatore