Re: [syzbot] [btrfs?] KASAN: slab-use-after-free Read in add_delayed_ref

[syzbot]

syzbot has bisected this issue to:

commit a3aad8f4f5d9d9a977ee5be32b07bcc083cc8d28
Author: Filipe Manana <fdmanana@xxxxxxxx>
Date:   Tue Sep 24 16:12:32 2024 +0000

    btrfs: qgroups: remove bytenr field from struct btrfs_qgroup_extent_record

bisection log:  https://syzkaller.appspot.com/x/bisect.txt?x=14596887980000
start commit:   d61a00525464 Add linux-next specific files for 20241011
git tree:       linux-next
final oops:     https://syzkaller.appspot.com/x/report.txt?x=16596887980000
console output: https://syzkaller.appspot.com/x/log.txt?x=12596887980000
kernel config:  https://syzkaller.appspot.com/x/.config?x=8554528c7f4bf3fb
dashboard link: https://syzkaller.appspot.com/bug?extid=c3a3a153f0190dca5be9
syz repro:      https://syzkaller.appspot.com/x/repro.syz?x=1266c727980000
C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=17ce9440580000

Reported-by: syzbot+c3a3a153f0190dca5be9@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: a3aad8f4f5d9 ("btrfs: qgroups: remove bytenr field from struct btrfs_qgroup_extent_record")

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