Re: BUG: using __this_cpu_read() in preemptible code in __bad_area_nosemaphore

From: Peter Zijlstra
Date: Fri Oct 30 2020 - 04:49:25 EST


On Thu, Oct 29, 2020 at 10:51:06PM -0400, Steven Rostedt wrote:
> On Thu, 29 Oct 2020 18:53:17 -0700
> syzbot <syzbot+cebc65195a8639f648b9@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
>
> > Hello,
> >
> > syzbot found the following issue on:
>
> Didn't Peter already send a fix for this? Is it not upstream yet?

Hurmph, it's been in tip/locking/urgent for 8 days, but does not indeed
seem to have made it into Linus' tee yet.