Re: KASAN vs RCU vs RT

[Jakub Kicinski]

On Sat, 26 Sep 2020 08:57:32 +0200 Dmitry Vyukov wrote:
> On Sat, Sep 26, 2020 at 3:43 AM Jakub Kicinski <kuba@xxxxxxxxxx> wrote:
> >
> > Hi!
> >
> > I couldn't find this being reported in a quick search, so let me ask.
> >
> > With 5.9 I'm seeing a lot (well, once a boot) splats like the one below.
> >
> > Is there a fix?  
> 
> Hi Jakub,
> 
> FWIW this is the first time I see this BUG. I don't remember it was
> mentioned on kasan-dev before.
> 
> The commit that added this BUG was added in March 2020, so is not new...

Talking to Paul McKenney - it appears to be a known and hard to fix
issue inside RCU, KASAN is not to blame. Sorry for the noise :)