Re: [syzbot] [mm?] WARNING in try_to_migrate_one (3)

Lorenzo Stoakes
2025-10-13T10:58:56Z

On Wed, Oct 08, 2025 at 09:37:02PM -0700, syzbot wrote:
> syzbot suspects this issue was fixed by commit:
>
> commit cf1b80dc31a1137b8b4568c138b453bf7453204a
> Author: Dev Jain <dev.jain@arm.com>
> Date: Wed Aug 6 14:56:11 2025 +0000
>
> mm: pass page directly instead of using folio_page
>
> bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=11f121e2580000
> start commit: 0227b49b5027 Merge tag 'gpio-updates-for-v6.17-rc1-part2' ..
> git tree: upstream
> kernel config: https://syzkaller.appspot.com/x/.config?x=2ae1da3a7f4a6ba4
> dashboard link: https://syzkaller.appspot.com/bug?extid=63859a31071a369082b1
> syz repro: https://syzkaller.appspot.com/x/repro.syz?x=117c72f0580000
> C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17ab7ea2580000
>
> If the result looks correct, please mark the issue as fixed by replying with:
>
> #syz fix: mm: pass page directly instead of using folio_page

Indeed, as discussed in my initial reply + confirmed by syzbot test this does
seem to be it :)

Therefore:

#syz fix: mm: pass page directly instead of using folio_page

>
> For information about bisection process see: https://goo.gl/tpsmEJ#bisection