BTRFS info (device loop6): block group 8519680 has 8257536 bytes, 4096 used 0 pinned 8253440 reserved 0 delalloc 0 super 0 zone_unusable (0 bytes available) 
BTRFS info (device loop6): block group has cluster?: no
BTRFS info (device loop6): 0 free space entries at or bigger than 4096 bytes
BTRFS info (device loop6): 4194304 bytes available across all block groups
------------[ cut here ]------------
BTRFS: Transaction aborted (error -28)
WARNING: CPU: 1 PID: 17932 at fs/btrfs/volumes.c:3346 btrfs_remove_chunk+0x15e8/0x1970 fs/btrfs/volumes.c:3346
Modules linked in:
CPU: 1 UID: 0 PID: 17932 Comm: syz.6.2866 Not tainted 6.16.0-rc1-syzkaller-00101-g27605c8c0f69 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:btrfs_remove_chunk+0x15e8/0x1970 fs/btrfs/volumes.c:3346
Code: 24 18 48 8b 38 48 c7 c6 c0 3a ce 8b 89 da e8 4f 74 5a fd eb 19 e8 c8 b9 f0 fd 90 48 c7 c7 60 3a ce 8b 89 de e8 c9 64 b4 fd 90 <0f> 0b 90 90 49 bd 00 00 00 00 00 fc ff df e9 96 fa ff ff e8 a0 b9
RSP: 0018:ffffc9000418f8c0 EFLAGS: 00010246
RAX: c0ed6c0e90176500 RBX: ffffffffffffffe4 RCX: 0000000000080000
RDX: ffffc90024205000 RSI: 000000000007ffff RDI: 0000000000080000
RBP: ffffc9000418fab0 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bfa9ec R12: 1ffff1100c356d07
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8880612d8001
FS:  00007efdefa0a6c0(0000) GS:ffff888125d52000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe4782e56c0 CR3: 0000000033e32000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 btrfs_relocate_chunk+0x292/0x3b0 fs/btrfs/volumes.c:3476
 __btrfs_balance+0x1870/0x21d0 fs/btrfs/volumes.c:4206
 btrfs_balance+0xc94/0x11d0 fs/btrfs/volumes.c:4583
 btrfs_ioctl_balance+0x3d3/0x610 fs/btrfs/ioctl.c:3583
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:907 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7efdeeb8e929
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007efdefa0a038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007efdeedb6080 RCX: 00007efdeeb8e929
RDX: 0000200000000200 RSI: 00000000c4009420 RDI: 000000000000000c
RBP: 00007efdeec10b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007efdeedb6080 R15: 00007ffd954ff888
 </TASK>