syzbot has bisected this issue to:
commit f8f210dc84709804c9f952297f2bfafa6ea6b4bd
Author: Filipe Manana <fdmanana@xxxxxxxx>
Date: Tue Mar 21 11:13:59 2023 +0000
btrfs: calculate the right space for delayed refs when updating global reserve
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=12fb487fa80000
start commit: dad9774deaf1 Merge tag 'timers-urgent-2023-06-21' of git:/..
git tree: upstream
final oops: https://syzkaller.appspot.com/x/report.txt?x=11fb487fa80000
console output: https://syzkaller.appspot.com/x/log.txt?x=16fb487fa80000
kernel config: https://syzkaller.appspot.com/x/.config?x=e74b395fe4978721
dashboard link: https://syzkaller.appspot.com/bug?extid=810ea5febd3b79bdd384
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13ceaa3f280000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1502f600a80000
Reported-by: syzbot+810ea5febd3b79bdd384@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: f8f210dc8470 ("btrfs: calculate the right space for delayed refs when updating global reserve")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
