------------[ cut here ]------------
WARNING: CPU: 1 PID: 7433 at fs/btrfs/qgroup.c:1855 btrfs_remove_qgroup+0xab0/0xd60 fs/btrfs/qgroup.c:1856
Modules linked in:
CPU: 1 UID: 0 PID: 7433 Comm: btrfs-cleaner Not tainted 6.11.0-rc7-syzkaller-g5f5673607153 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : btrfs_remove_qgroup+0xab0/0xd60 fs/btrfs/qgroup.c:1856
lr : btrfs_remove_qgroup+0x854/0xd60 fs/btrfs/qgroup.c:1854
sp : ffff8000a3797a20
x29: ffff8000a3797b40 x28: ffff0000da08d800 x27: ffff0000da08d7f0
x26: 0000000000000000 x25: dfff800000000000 x24: 1fffe0001b411afe
x23: ffffffffffff0000 x22: ffff0000ed8738b8 x21: 0000000000000100
x20: ffff0000da08c000 x19: ffff7000146f2f50 x18: ffff8000a3797700
x17: 000000000003c15e x16: ffff8000803600cc x15: ffff7000146f2f2c
x14: 1ffff000146f2f2c x13: 0000000000000004 x12: ffffffffffffffff
x11: ffff7000146f2f2c x10: 0000000000ff0100 x9 : 0000000000000000
x8 : ffff0000ef1b3c80 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000020 x4 : 0000000000000000 x3 : ffff8000803601f4
x2 : 0000000000000001 x1 : ffff80008ec0334d x0 : ffff80008fcb3300
Call trace:
 btrfs_remove_qgroup+0xab0/0xd60 fs/btrfs/qgroup.c:1856
 btrfs_qgroup_cleanup_dropped_subvolume+0x158/0x194 fs/btrfs/qgroup.c:1904
 btrfs_drop_snapshot+0x2a0/0x1be4 fs/btrfs/extent-tree.c:6260
 btrfs_clean_one_deleted_snapshot+0x238/0x32c
 cleaner_kthread+0x208/0x3dc fs/btrfs/disk-io.c:1520
 kthread+0x288/0x310 kernel/kthread.c:389
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:860
irq event stamp: 6130
hardirqs last  enabled at (6129): [<ffff800080a88010>] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:234
hardirqs last disabled at (6130): [<ffff80008b3363f4>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:470
softirqs last  enabled at (5920): [<ffff8000800307f8>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (5918): [<ffff8000800307c4>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---
BTRFS warning (device loop3): to be deleted qgroup 0/256 has non-zero numbers, rfer 18446744073709486080 rfer_cmpr 18446744073709486080 excl 0 excl_cmpr 0