Re: [syzbot] WARNING in cgroup_finalize_control

[Waiman Long]

#syz fix: cgroup: Make rebind_subsystems() disable v2 controllers all at once


On 11/20/21 21:24, syzbot wrote:
> syzbot suspects this issue was fixed by commit:
>
> commit 7ee285395b211cad474b2b989db52666e0430daf
> Author: Waiman Long <longman@xxxxxxxxxx>
> Date:   Sat Sep 18 22:53:08 2021 +0000
>
>      cgroup: Make rebind_subsystems() disable v2 controllers all at once
>
> bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=12232c06b00000
> start commit:   442489c21923 Merge tag 'timers-core-2020-08-04' of git://g..
> git tree:       upstream
> kernel config:  https://syzkaller.appspot.com/x/.config?x=b3f0df8558780a7d
> dashboard link: https://syzkaller.appspot.com/bug?extid=9c08aaa363ca5784c9e9
> syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=14148c62900000
>
> If the result looks correct, please mark the issue as fixed by replying with:
>
> #syz fix: cgroup: Make rebind_subsystems() disable v2 controllers all at once
>
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection