Re: possible deadlock in process_measurement (2)

From: Dmitry Vyukov
Date: Tue Jan 05 2021 - 07:44:38 EST


On Sun, Jan 3, 2021 at 12:08 AM syzbot
<syzbot+18a1619cceea30ed45af@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote:
>
> syzbot suspects this issue was fixed by commit:
>
> commit 15a8d68e9dc23dc9def4bd7e9563db60f4f86580
> Author: Wei Yang <richard.weiyang@xxxxxxxxxxxxxxxxx>
> Date: Tue Oct 13 23:56:33 2020 +0000
>
> mm/hugetlb: a page from buddy is not on any list
>
> bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13612350d00000
> start commit: 1590a2e1 Merge tag 'acpi-5.8-rc3' of git://git.kernel.org/..
> git tree: upstream
> kernel config: https://syzkaller.appspot.com/x/.config?x=bf3aec367b9ab569
> dashboard link: https://syzkaller.appspot.com/bug?extid=18a1619cceea30ed45af
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10c79dbb100000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=169bba3d100000
>
> If the result looks correct, please mark the issue as fixed by replying with:
>
> #syz fix: mm/hugetlb: a page from buddy is not on any list
>
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection

#syz fix: mm/hugetlb: a page from buddy is not on any list