syzbot has bisected this issue to: commit edd33b8807a1fa6268a71758bf38de0b4adf2e70 Author: Hugh Dickins <hughd@xxxxxxxxxx> Date: Tue Oct 3 09:29:00 2023 +0000 mempolicy: migration attempt to match interleave nodes bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=13d353cb680000 start commit: e8361b005d7c Add linux-next specific files for 20231023 git tree: linux-next final oops: https://syzkaller.appspot.com/x/report.txt?x=103353cb680000 console output: https://syzkaller.appspot.com/x/log.txt?x=17d353cb680000 kernel config: https://syzkaller.appspot.com/x/.config?x=39bda8753f457952 dashboard link: https://syzkaller.appspot.com/bug?extid=79fcba037b6df73756d3 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13714705680000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1236430b680000 Reported-by: syzbot+79fcba037b6df73756d3@xxxxxxxxxxxxxxxxxxxxxxxxx Fixes: edd33b8807a1 ("mempolicy: migration attempt to match interleave nodes") For information about bisection process see: https://goo.gl/tpsmEJ#bisection