Re: WARNING in get_pi_state

From: Dmitry Vyukov
Date: Tue Nov 07 2017 - 11:16:41 EST


On Tue, Oct 31, 2017 at 11:38 AM, Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
> On Tue, Oct 31, 2017 at 11:31:34AM +0100, Peter Zijlstra wrote:
>
>> And of course, now it went *splat*, lemme continue staring..
>
> PEBKAC, turns out I was running the kernel without the patch in, and it
> only took 3100 seconds to trigger the splat..
>
> I am now actually running the kernel with the patch in, I'll leave the
> machine running it for a few hours.


Let's tell the bot about the fix, otherwise it will never report bugs
in get_pi_state again:

#syz fix: futex: Fix more put_pi_state() vs. exit_pi_state_list() races