On 07/18/2012 11:01 AM, Dave Jones wrote:
> On Wed, Jul 18, 2012 at 09:03:22AM -0700, Darren Hart wrote:
>
> > > This will oops if pi_mutex is NULL.
> > >
> > > 2374 rt_mutex_unlock(pi_mutex);
> > > 2375 } else if (ret == -EINTR) {
> >
> > Nice
On Wed, Jul 18, 2012 at 09:03:22AM -0700, Darren Hart wrote:
> > This will oops if pi_mutex is NULL.
> >
> > 2374 rt_mutex_unlock(pi_mutex);
> > 2375 } else if (ret == -EINTR) {
>
> Nice Dan, thanks for taking a closer look. This appears to be a
On 07/18/2012 07:25 AM, Dan Carpenter wrote:
> Hi Darren,
>
> The patch 52400ba94675: "futex: add requeue_pi functionality" from
> Apr 3, 2009, leads to the following warning:
> kernel/futex.c:2373 futex_wait_requeue_pi()
> error: potential NULL derefer
queue_pi functionality" from
> > > Apr 3, 2009, leads to the following warning:
> > > kernel/futex.c:2373 futex_wait_requeue_pi()
> > > error: potential NULL dereference 'pi_mutex'.
> >
> > This sounds like the oops I saw that I reported at
> &
ing warning:
> > kernel/futex.c:2373 futex_wait_requeue_pi()
> > error: potential NULL dereference 'pi_mutex'.
>
> This sounds like the oops I saw that I reported at
> https://lkml.org/lkml/2012/7/13/328
I'm looking into the report Dave sent today (delayed from piles of
urgent issues after
On Wed, Jul 18, 2012 at 05:25:14PM +0300, Dan Carpenter wrote:
> Hi Darren,
>
> The patch 52400ba94675: "futex: add requeue_pi functionality" from
> Apr 3, 2009, leads to the following warning:
> kernel/futex.c:2373 futex_wait_requeue_pi()
> error: potentia
Hi Darren,
The patch 52400ba94675: "futex: add requeue_pi functionality" from
Apr 3, 2009, leads to the following warning:
kernel/futex.c:2373 futex_wait_requeue_pi()
error: potential NULL dereference 'pi_mutex'.
2330 if (!q.rt_waiter) {
2331
Hi Darren,
The patch 52400ba94675: futex: add requeue_pi functionality from
Apr 3, 2009, leads to the following warning:
kernel/futex.c:2373 futex_wait_requeue_pi()
error: potential NULL dereference 'pi_mutex'.
2330 if (!q.rt_waiter) {
2331 /*
2332
On Wed, Jul 18, 2012 at 05:25:14PM +0300, Dan Carpenter wrote:
Hi Darren,
The patch 52400ba94675: futex: add requeue_pi functionality from
Apr 3, 2009, leads to the following warning:
kernel/futex.c:2373 futex_wait_requeue_pi()
error: potential NULL dereference 'pi_mutex
()
error: potential NULL dereference 'pi_mutex'.
This sounds like the oops I saw that I reported at
https://lkml.org/lkml/2012/7/13/328
I'm looking into the report Dave sent today (delayed from piles of
urgent issues after returning from vacation, my apologies).
Dan, under which workload are you
to the following warning:
kernel/futex.c:2373 futex_wait_requeue_pi()
error: potential NULL dereference 'pi_mutex'.
This sounds like the oops I saw that I reported at
https://lkml.org/lkml/2012/7/13/328
I'm looking into the report Dave sent today (delayed from piles of
urgent issues after
On 07/18/2012 07:25 AM, Dan Carpenter wrote:
Hi Darren,
The patch 52400ba94675: futex: add requeue_pi functionality from
Apr 3, 2009, leads to the following warning:
kernel/futex.c:2373 futex_wait_requeue_pi()
error: potential NULL dereference 'pi_mutex'.
2330
On Wed, Jul 18, 2012 at 09:03:22AM -0700, Darren Hart wrote:
This will oops if pi_mutex is NULL.
2374 rt_mutex_unlock(pi_mutex);
2375 } else if (ret == -EINTR) {
Nice Dan, thanks for taking a closer look. This appears to be a simple fix,
On 07/18/2012 11:01 AM, Dave Jones wrote:
On Wed, Jul 18, 2012 at 09:03:22AM -0700, Darren Hart wrote:
This will oops if pi_mutex is NULL.
2374 rt_mutex_unlock(pi_mutex);
2375 } else if (ret == -EINTR) {
Nice Dan, thanks for
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