Re: futex: use-after-free in futex_wait_requeue_pi

From: Dmitry Vyukov
Date: Fri Mar 10 2017 - 13:33:15 EST

On Fri, Mar 10, 2017 at 7:30 PM, Sebastian Andrzej Siewior
<bigeasy@xxxxxxxxxxxxx> wrote:
> On 2017-03-10 19:10:30 [+0100], Dmitry Vyukov wrote:
>> BUG: KASAN: use-after-free in futex_wait_requeue_pi+0xf5d/0x1160
> â
>> On commit c1aa905a304e4b5e6a3fe112ec62d9c1c7b0c155.
> That is "Merge tag 'pm-4.11-rc2' of git://".
> Are sure about that commit? Does this trigger now and then or is 100%?

I am sure that I've triggered this bug on that commit. I am not saying
that this is the guilty commit.