BTRFS info (device loop0): block group has cluster?: no
BTRFS info (device loop0): 1 free space entries at or bigger than 4096 bytes
BTRFS info (device loop0): 3215360 bytes available across all block groups
------------[ cut here ]------------
BTRFS: Transaction aborted (error -28)
WARNING: fs/btrfs/block-group.c:2911 at btrfs_create_pending_block_groups+0x14ae/0x1b40 fs/btrfs/block-group.c:2911, CPU#0: syz.0.17/5929
Modules linked in:
CPU: 0 UID: 0 PID: 5929 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:btrfs_create_pending_block_groups+0x14b0/0x1b40 fs/btrfs/block-group.c:2911
Code: 96 fb b2 fd e9 fc 01 00 00 e8 6c b6 97 fd 84 c0 74 22 e8 83 fb b2 fd e9 e9 01 00 00 e8 79 fb b2 fd 48 8d 3d 52 05 83 0b 89 de <67> 48 0f b9 3a e9 bc fc ff ff e8 01 85 1a 07 41 89 c4 31 ff 89 c6
RSP: 0018:ffffc90003f3f720 EFLAGS: 00010293
RAX: ffffffff841265d7 RBX: 00000000ffffffe4 RCX: ffff888029c15d00
RDX: 0000000000000000 RSI: 00000000ffffffe4 RDI: ffffffff8f956b30
RBP: ffffc90003f3f988 R08: ffff888029c15d00 R09: 0000000000000003
R10: 0000000000000100 R11: 00000000fffffffb R12: dffffc0000000000
R13: fffff520007e7f00 R14: 0000000000000000 R15: ffff88803a9f0001
FS:  0000555584d44500(0000) GS:ffff888125eec000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b34663fff CR3: 0000000044ad4000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 __btrfs_end_transaction+0x140/0x650 fs/btrfs/transaction.c:1091
 btrfs_inc_block_group_ro+0x647/0x7c0 fs/btrfs/block-group.c:3212
 btrfs_relocate_block_group+0x28f/0xb70 fs/btrfs/relocation.c:5377
 btrfs_relocate_chunk+0x115/0x830 fs/btrfs/volumes.c:3598
 __btrfs_balance+0x1dbf/0x2af0 fs/btrfs/volumes.c:4509
 btrfs_balance+0xaf3/0x11b0 fs/btrfs/volumes.c:4896
 btrfs_ioctl_balance+0x3d6/0x610 fs/btrfs/ioctl.c:3453
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl+0xff/0x170 fs/ioctl.c:583
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x15f/0x560 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6a8c1fce59
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:00007ffedfb75d18 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f6a8c475fa0 RCX: 00007f6a8c1fce59
RDX: 0000200000000440 RSI: 00000000c4009420 RDI: 0000000000000003
RBP: 00007f6a8c292d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f6a8c475fac R14: 00007f6a8c475fa0 R15: 00007f6a8c475fa0
 </TASK>
----------------
Code disassembly (best guess):
   0:	96                   	xchg   %eax,%esi
   1:	fb                   	sti
   2:	b2 fd                	mov    $0xfd,%dl
   4:	e9 fc 01 00 00       	jmp    0x205
   9:	e8 6c b6 97 fd       	call   0xfd97b67a
   e:	84 c0                	test   %al,%al
  10:	74 22                	je     0x34
  12:	e8 83 fb b2 fd       	call   0xfdb2fb9a
  17:	e9 e9 01 00 00       	jmp    0x205
  1c:	e8 79 fb b2 fd       	call   0xfdb2fb9a
  21:	48 8d 3d 52 05 83 0b 	lea    0xb830552(%rip),%rdi        # 0xb83057a
  28:	89 de                	mov    %ebx,%esi
* 2a:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2f:	e9 bc fc ff ff       	jmp    0xfffffcf0
  34:	e8 01 85 1a 07       	call   0x71a853a
  39:	41 89 c4             	mov    %eax,%r12d
  3c:	31 ff                	xor    %edi,%edi
  3e:	89 c6                	mov    %eax,%esi