Re: [syzbot] [bcachefs?] WARNING in bch2_fs_usage_read_one

[syzbot]

syzbot has bisected this issue to:

commit 03ef80b469d5d83530ce1ce15be78a40e5300f9b
Author: Kent Overstreet <kent.overstreet@xxxxxxxxx>
Date:   Sat Sep 23 22:41:51 2023 +0000

    bcachefs: Ignore unknown mount options

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=154e823f180000
start commit:   2b84edefcad1 Add linux-next specific files for 20240506
git tree:       linux-next
final oops:     https://syzkaller.appspot.com/x/report.txt?x=174e823f180000
console output: https://syzkaller.appspot.com/x/log.txt?x=134e823f180000
kernel config:  https://syzkaller.appspot.com/x/.config?x=b499929e4aaba1af
dashboard link: https://syzkaller.appspot.com/bug?extid=b68fa126ff948672f1fd
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=155c109f180000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=136e52b8980000

Reported-by: syzbot+b68fa126ff948672f1fd@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 03ef80b469d5 ("bcachefs: Ignore unknown mount options")

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