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SubjectRe: KCSAN: data-race in taskstats_exit / taskstats_exit
On Sat, Oct 05, 2019 at 06:29:39AM +0200, Dmitry Vyukov wrote:
> On Sat, Oct 5, 2019 at 6:26 AM syzbot
> <syzbot+c5d03165a1bd1dead0c1@syzkaller.appspotmail.com> wrote:
> >
> > Hello,
> >
> > syzbot found the following crash on:
> >
> > HEAD commit: b4bd9343 x86, kcsan: Enable KCSAN for x86
> > git tree: https://github.com/google/ktsan.git kcsan
> > console output: https://syzkaller.appspot.com/x/log.txt?x=125329db600000
> > kernel config: https://syzkaller.appspot.com/x/.config?x=c0906aa620713d80
> > dashboard link: https://syzkaller.appspot.com/bug?extid=c5d03165a1bd1dead0c1
> > compiler: gcc (GCC) 9.0.0 20181231 (experimental)
> >
> > Unfortunately, I don't have any reproducer for this crash yet.
> >
> > IMPORTANT: if you fix the bug, please add the following tag to the commit:
> > Reported-by: syzbot+c5d03165a1bd1dead0c1@syzkaller.appspotmail.com
>
> +Christian, you wanted races in process mgmt ;)

Yes, indeed. :) Sent a fix for this one just now. I'll put it in my
fixes tree for rc3.

Christian

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