BTRFS info (device loop0): using crc32c (crc32c-lib) checksum algorithm
BTRFS info (device loop0): using free-space-tree
BTRFS info (device loop0): balance: start -s
BTRFS info (device loop0): relocating block group 1048576 flags system
------------[ cut here ]------------
BTRFS: Transaction aborted (error -28)
WARNING: fs/btrfs/volumes.c:3354 at btrfs_remove_chunk+0x1a3c/0x2100 fs/btrfs/volumes.c:3354, CPU#0: syz-executor.0/6255
Modules linked in:
CPU: 0 UID: 0 PID: 6255 Comm: syz-executor.0 Not tainted 6.16.0-rc3-next-20250627-syzkaller-g2aeda9592360 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:btrfs_remove_chunk+0x1a3c/0x2100 fs/btrfs/volumes.c:3354
Code: d4 fd 84 c0 0f 84 6e 01 00 00 e8 cf 20 ee fd e9 c6 03 00 00 e8 c5 20 ee fd 90 48 c7 c7 00 4f ce 8b 44 89 ee e8 75 be b1 fd 90 <0f> 0b 90 90 e9 fa f7 ff ff e8 a6 20 ee fd eb 05 e8 9f 20 ee fd e8
RSP: 0018:ffffc900044bf8c0 EFLAGS: 00010246
RAX: acdb68451e9e3400 RBX: 0000000000000000 RCX: ffff88807498bc00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
RBP: ffffc900044bfab0 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bfa428 R12: dffffc0000000000
R13: ffffffffffffffe4 R14: ffff888028e4c001 R15: ffff88807e6464a0
FS:  00007fe270f376c0(0000) GS:ffff888125c1e000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5e6f770e9c CR3: 000000003128c000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 btrfs_relocate_chunk+0x296/0x5c0 fs/btrfs/volumes.c:3484
 __btrfs_balance+0x185e/0x23e0 fs/btrfs/volumes.c:4214
 btrfs_balance+0xac2/0x11b0 fs/btrfs/volumes.c:4591
 btrfs_ioctl_balance+0x3d3/0x610 fs/btrfs/ioctl.c:3582
 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: 0033:0x7fe27027c959
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:00007fe270f370c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fe27039bf80 RCX: 00007fe27027c959
RDX: 0000000020000480 RSI: 00000000c4009420 RDI: 0000000000000004
RBP: 00007fe2702d8c88 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fe27039bf80 R15: 00007ffd39c5c338
 </TASK>