Re: [syzbot] [btrfs?] kernel BUG in extent_writepage_io

[syzbot]

syzbot suspects this issue was fixed by commit:

commit cba7c35fec267188a9708deae857e9116c57497b
Author: Leo Martins <loemra.dev@xxxxxxxxx>
Date:   Tue Aug 12 23:28:27 2025 +0000

    btrfs: move ref-verify under CONFIG_BTRFS_DEBUG

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=13ea5614580000
start commit:   6efbea77b390 Merge tag 'arm64-fixes' of git://git.kernel.o..
git tree:       upstream
kernel config:  https://syzkaller.appspot.com/x/.config?x=164d2822debd8b0d
dashboard link: https://syzkaller.appspot.com/bug?extid=9295d5153c44d86af0aa
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=15c18c5f980000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=12186f27980000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: btrfs: move ref-verify under CONFIG_BTRFS_DEBUG

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