BTRFS info (device loop3): enabling free space tree
BTRFS info (device loop3): balance: start -s
------------[ cut here ]------------
BTRFS: Transaction aborted (error -28)
WARNING: CPU: 1 PID: 11092 at fs/btrfs/block-group.c:2796 btrfs_create_pending_block_groups+0x1150/0x1780
Modules linked in:
CPU: 1 UID: 0 PID: 11092 Comm: syz.3.877 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:btrfs_create_pending_block_groups+0x1150/0x1780
Code: 00 e8 84 52 ba fd 84 c0 74 29 e8 1b a0 d3 fd e9 fd 01 00 00 e8 11 a0 d3 fd 90 48 c7 c7 a0 fc cf 8b 44 89 f6 e8 d1 3c 97 fd 90 <0f> 0b 90 90 e9 e5 fd ff ff e8 42 51 8e 07 41 89 c7 31 ff 89 c6 e8
RSP: 0018:ffffc9000431f6e0 EFLAGS: 00010246
RAX: db1dc76957039b00 RBX: ffff88811e32c001 RCX: ffff8881079d8000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
RBP: ffffc9000431f948 R08: ffff888136624253 R09: 1ffff11026cc484a
R10: dffffc0000000000 R11: ffffed1026cc484b R12: 0000000000000000
R13: dffffc0000000000 R14: 00000000ffffffe4 R15: ffff888032b41000
FS:  00007fe3a6e096c0(0000) GS:ffff8881a3c13000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdb200a0000 CR3: 000000003ad16000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 __btrfs_end_transaction+0x140/0x640
 btrfs_inc_block_group_ro+0x641/0x6f0
 btrfs_relocate_block_group+0x3f1/0xc60
 btrfs_relocate_chunk+0x12f/0x5c0
 __btrfs_balance+0x1860/0x23f0
 btrfs_balance+0xac2/0x11b0
 btrfs_ioctl_balance+0x3d3/0x610
 __se_sys_ioctl+0xfc/0x170
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe3a5f8eba9
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:00007fe3a6e09038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fe3a61d5fa0 RCX: 00007fe3a5f8eba9
RDX: 0000200000000440 RSI: 00000000c4009420 RDI: 0000000000000006
RBP: 00007fe3a6011e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fe3a61d6038 R14: 00007fe3a61d5fa0 R15: 00007ffedd810d18
 </TASK>
