syzbot has bisected this issue to: commit cca700a8e695fbe4a647e3a509ac513f05d5740a Author: Muchun Song <songmuchun@xxxxxxxxxxxxx> Date: Tue Jun 21 12:56:58 2022 +0000 mm: lru: use lruvec lock to serialize memcg changes bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15abaf18080000 start commit: ac0ba5454ca8 Add linux-next specific files for 20220622 git tree: linux-next final oops: https://syzkaller.appspot.com/x/report.txt?x=17abaf18080000 console output: https://syzkaller.appspot.com/x/log.txt?x=13abaf18080000 kernel config: https://syzkaller.appspot.com/x/.config?x=12809dacb9e7c5e0 dashboard link: https://syzkaller.appspot.com/bug?extid=ec972d37869318fc3ffb syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12d0f470080000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1145df0ff00000 Reported-by: syzbot+ec972d37869318fc3ffb@xxxxxxxxxxxxxxxxxxxxxxxxx Fixes: cca700a8e695 ("mm: lru: use lruvec lock to serialize memcg changes") For information about bisection process see: https://goo.gl/tpsmEJ#bisection