BTRFS info (device loop1): disabling free space tree
BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE (0x1)
BTRFS info (device loop1): clearing compat-ro feature flag for FREE_SPACE_TREE_VALID (0x2)
BTRFS info (device loop1): balance: start -susage=34359738372,drange=7..526336,limit=0..6
------------[ cut here ]------------
BTRFS: Transaction aborted (error -28)
WARNING: CPU: 0 PID: 7689 at fs/btrfs/block-group.c:2781 btrfs_create_pending_block_groups+0xd0f/0x1500 fs/btrfs/block-group.c:2781
Modules linked in:
CPU: 0 UID: 0 PID: 7689 Comm: syz.1.501 Not tainted 6.16.0-rc2-syzkaller-00162-g41687a5c6f8b #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:btrfs_create_pending_block_groups+0xd0f/0x1500 fs/btrfs/block-group.c:2781
Code: 1e 83 f8 19 77 0f ba 01 00 04 02 48 0f a3 c2 0f 82 c8 01 00 00 e8 21 42 c3 fd 90 48 c7 c7 a0 84 fd 8b 89 de e8 42 07 82 fd 90 <0f> 0b 90 90 41 be 01 00 00 00 e8 02 42 c3 fd 48 8b 3c 24 45 89 f0
RSP: 0018:ffffc900031a7710 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 00000000ffffffe4 RCX: ffffc9000c0ca000
RDX: 0000000000080000 RSI: ffffffff817ae255 RDI: 0000000000000001
RBP: ffff888053b61b00 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffff8880328b01c0
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff8880328b0050
FS:  00007fc300ff66c0(0000) GS:ffff888124758000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3071eff8 CR3: 0000000079f15000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 __btrfs_end_transaction+0xf5/0x920 fs/btrfs/transaction.c:1071
 btrfs_inc_block_group_ro+0x534/0x720 fs/btrfs/block-group.c:3077
 btrfs_relocate_block_group+0x216/0xe60 fs/btrfs/relocation.c:3962
 btrfs_relocate_chunk+0x143/0x450 fs/btrfs/volumes.c:3431
 __btrfs_balance fs/btrfs/volumes.c:4206 [inline]
 btrfs_balance+0x20b5/0x3f50 fs/btrfs/volumes.c:4583
 btrfs_ioctl_balance fs/btrfs/ioctl.c:3583 [inline]
 btrfs_ioctl+0x3eb3/0x5b30 fs/btrfs/ioctl.c:5303
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:907 [inline]
 __se_sys_ioctl fs/ioctl.c:893 [inline]
 __x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:893
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc30318e929
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:00007fc300ff6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fc3033b5fa0 RCX: 00007fc30318e929
RDX: 0000200000000440 RSI: 00000000c4009420 RDI: 0000000000000003
RBP: 00007fc303210b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fc3033b5fa0 R15: 00007ffc83fb3608
 </TASK>