linux-kernel - Re: BUG: using __this_cpu_read() in preemptible code in __bad_area

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Message-ID: <20201030084912.GY2628@hirez.programming.kicks-ass.net>
Date:   Fri, 30 Oct 2020 09:49:12 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     Steven Rostedt <rostedt@...dmis.org>
Cc:     syzbot <syzbot+cebc65195a8639f648b9@...kaller.appspotmail.com>,
        linux-kernel@...r.kernel.org, mingo@...hat.com,
        syzkaller-bugs@...glegroups.com
Subject: Re: BUG: using __this_cpu_read() in preemptible code in
 __bad_area_nosemaphore

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@...kaller.appspotmail.com> 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.