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

[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=1077cf8a980000
start commit:   b6394d6f7159 Merge tag 'pull-misc' of git://git.kernel.org..
git tree:       upstream
final oops:     https://syzkaller.appspot.com/x/report.txt?x=1277cf8a980000
console output: https://syzkaller.appspot.com/x/log.txt?x=1477cf8a980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=713476114e57eef3
dashboard link: https://syzkaller.appspot.com/bug?extid=247ac87eabcb1f8fa990
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=15c61a0c980000

Reported-by: syzbot+247ac87eabcb1f8fa990@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 03ef80b469d5 ("bcachefs: Ignore unknown mount options")

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