Re: [syzbot] [bcachefs?] divide error in bch2_sb_members_v2_to_text

[syzbot]

syzbot has bisected this issue to:

commit c5ae261c8095a37174e17eb13c5485cbd1b3bb20
Author: Kent Overstreet <kent.overstreet@xxxxxxxxx>
Date:   Sun Jun 8 15:31:23 2025 +0000

    bcachefs: Don't trust sb->nr_devices in members_to_text()

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=10c319d4580000
start commit:   b27cc623e01b Add linux-next specific files for 20250610
git tree:       linux-next
final oops:     https://syzkaller.appspot.com/x/report.txt?x=12c319d4580000
console output: https://syzkaller.appspot.com/x/log.txt?x=14c319d4580000
kernel config:  https://syzkaller.appspot.com/x/.config?x=846e731334efc0f8
dashboard link: https://syzkaller.appspot.com/bug?extid=7c8101d4d0ba2eb511d7
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=175a260c580000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=1129e9d4580000

Reported-by: syzbot+7c8101d4d0ba2eb511d7@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: c5ae261c8095 ("bcachefs: Don't trust sb->nr_devices in members_to_text()")

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