BTRFS info (device loop0): force clearing of disk cache
BTRFS info (device loop0): force zlib compression, level 3
BTRFS info (device loop0): balance: start -susage=34359738372,drange=7..526332,limit=0..6
------------[ cut here ]------------
BTRFS: Transaction aborted (error -28)
WARNING: fs/btrfs/block-group.c:2855 at btrfs_create_pending_block_groups+0x1373/0x1a00 fs/btrfs/block-group.c:2855, CPU#0: syz.0.17/6032
Modules linked in:
CPU: 0 UID: 0 PID: 6032 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:btrfs_create_pending_block_groups+0x1376/0x1a00 fs/btrfs/block-group.c:2855
Code: f0 b1 fd e9 f8 01 00 00 e8 17 05 97 fd 84 c0 74 23 e8 7e f0 b1 fd e9 e5 01 00 00 e8 74 f0 b1 fd 48 8d 3d fd ab 07 0c 44 89 f6 <67> 48 0f b9 3a e9 a7 fd ff ff e8 cb 25 9c 07 41 89 c4 31 ff 89 c6
RSP: 0018:ffffc90003067700 EFLAGS: 00010293
RAX: ffffffff8413c21c RBX: ffff88807c534001 RCX: ffff888030cc1e40
RDX: 0000000000000000 RSI: 00000000ffffffe4 RDI: ffffffff901b6e20
RBP: ffffc90003067978 R08: ffff888030cc1e40 R09: 0000000000000003
R10: 00000000fffffffb R11: 0000000000000000 R12: dffffc0000000000
R13: fffff5200060cefc R14: 00000000ffffffe4 R15: ffff88807a254858
FS:  0000555594faa500(0000) GS:ffff888125455000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055c27c0ee5f8 CR3: 000000007895e000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 __btrfs_end_transaction+0x140/0x640 fs/btrfs/transaction.c:1080
 btrfs_inc_block_group_ro+0x63e/0x6f0 fs/btrfs/block-group.c:3151
 btrfs_relocate_block_group+0x39b/0xae0 fs/btrfs/relocation.c:5350
 btrfs_relocate_chunk+0x10f/0x810 fs/btrfs/volumes.c:3590
 __btrfs_balance+0x1dac/0x2af0 fs/btrfs/volumes.c:4492
 btrfs_balance+0xafa/0x11f0 fs/btrfs/volumes.c:4879
 btrfs_ioctl_balance+0x3d3/0x610 fs/btrfs/ioctl.c:3446
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe6dc19c629
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffdc0942cb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fe6dc415fa0 RCX: 00007fe6dc19c629
RDX: 0000200000000440 RSI: 00000000c4009420 RDI: 0000000000000003
RBP: 00007fe6dc232b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fe6dc415fac R14: 00007fe6dc415fa0 R15: 00007fe6dc415fa0
 </TASK>
----------------
Code disassembly (best guess):
   0:	f0 b1 fd             	lock mov $0xfd,%cl
   3:	e9 f8 01 00 00       	jmp    0x200
   8:	e8 17 05 97 fd       	call   0xfd970524
   d:	84 c0                	test   %al,%al
   f:	74 23                	je     0x34
  11:	e8 7e f0 b1 fd       	call   0xfdb1f094
  16:	e9 e5 01 00 00       	jmp    0x200
  1b:	e8 74 f0 b1 fd       	call   0xfdb1f094
  20:	48 8d 3d fd ab 07 0c 	lea    0xc07abfd(%rip),%rdi        # 0xc07ac24
  27:	44 89 f6             	mov    %r14d,%esi
* 2a:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2f:	e9 a7 fd ff ff       	jmp    0xfffffddb
  34:	e8 cb 25 9c 07       	call   0x79c2604
  39:	41 89 c4             	mov    %eax,%r12d
  3c:	31 ff                	xor    %edi,%edi
  3e:	89 c6                	mov    %eax,%esi