BTRFS info (device loop0): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
BTRFS info (device loop0): balance: start -s
BTRFS info (device loop0): relocating block group 1048576 flags system
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5489 at fs/btrfs/volumes.c:3217 btrfs_remove_chunk+0x1575/0x1aa0 fs/btrfs/volumes.c:3217
Modules linked in:
CPU: 0 PID: 5489 Comm: syz-executor.0 Not tainted 5.15.161-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
RIP: 0010:btrfs_remove_chunk+0x1575/0x1aa0 fs/btrfs/volumes.c:3217
Code: ff e8 bf 59 15 fe 4c 8b 24 24 0f 1f 44 00 00 e8 b1 59 15 fe eb 16 e8 aa 59 15 fe 48 c7 c7 c0 c2 ca 8a 44 89 f6 e8 fb 01 e1 fd <0f> 0b 4c 89 e7 48 c7 c6 20 c6 ca 8a ba 91 0c 00 00 e9 90 fa ff ff
RSP: 0018:ffffc90002f17920 EFLAGS: 00010246
RAX: 6fca0164fac9f200 RBX: 0000000000000000 RCX: 0000000000040000
RDX: ffffc9000368a000 RSI: 00000000000364c0 RDI: 00000000000364c1
RBP: ffffc90002f17ad8 R08: ffffffff8166835c R09: fffff520005e2e65
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888071475f20
R13: dffffc0000000000 R14: ffffffffffffffe4 R15: ffff88805e8e4001
FS:  00007f14f356f6c0(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020002000 CR3: 00000000622d7000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 btrfs_relocate_chunk+0x1ce/0x270 fs/btrfs/volumes.c:3334
 __btrfs_balance+0x185e/0x27c0 fs/btrfs/volumes.c:4037
 btrfs_balance+0xd40/0x14a0 fs/btrfs/volumes.c:4427
 btrfs_ioctl_balance+0x643/0x7d0 fs/btrfs/ioctl.c:4152
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:874 [inline]
 __se_sys_ioctl+0xf1/0x160 fs/ioctl.c:860
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f14f49f5f29
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f14f356f0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f14f4b2cf80 RCX: 00007f14f49f5f29
RDX: 0000000020000180 RSI: 00000000c4009420 RDI: 0000000000000004
RBP: 00007f14f4a65074 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000