Re: [PATCH v7] kcov: fix data corruption and race conditions on PREEMPT_RT

[Alexander Potapenko]

On Thu, Jul 16, 2026 at 1:01 AM Tetsuo Handa
<penguin-kernel@xxxxxxxxxxxxxxxxxxx> wrote:

> Reported-by: syzbot+3f51ad7ac3ae57a6fdcc@xxxxxxxxxxxxxxxxxxxxxxxxx
> Closes: https://syzkaller.appspot.com/bug?extid=3f51ad7ac3ae57a6fdcc
> Reported-by: syzbot+47cf95ca1f9dcca872c8@xxxxxxxxxxxxxxxxxxxxxxxxx
> Closes: https://syzkaller.appspot.com/bug?extid=47cf95ca1f9dcca872c8
> Reported-by: syzbot+8a173e13208949931dc7@xxxxxxxxxxxxxxxxxxxxxxxxx
> Closes: https://syzkaller.appspot.com/bug?extid=8a173e13208949931dc7
> Reported-by: syzbot+90984d3713722683112e@xxxxxxxxxxxxxxxxxxxxxxxxx
> Closes: https://syzkaller.appspot.com/bug?extid=90984d3713722683112e
> Analyzed-by: AI Mode in Google Search (no mail address)
> Fixes: 5ff3b30ab57d ("kcov: collect coverage from interrupts")
> Signed-off-by: Tetsuo Handa <penguin-kernel@xxxxxxxxxxxxxxxxxxx>
> Reviewed-by: Alexander Potapenko <glider@xxxxxxxxxx>

Andrew, may I ask you to take this to the mm tree?