BTRFS info (device loop1): balance: start -sconvert=raid0,soft,drange=1024..32767,limit=34359738369
BTRFS info (device loop1): relocating block group 1048576 flags system
------------[ cut here ]------------
BTRFS: Transaction aborted (error -28)
WARNING: fs/btrfs/volumes.c:3338 at btrfs_remove_chunk+0x1772/0x2020, CPU#1: syz.1.1908/22337
Modules linked in:
CPU: 1 UID: 0 PID: 22337 Comm: syz.1.1908 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_remove_chunk+0x1775/0x2020
Code: 7f e5 fd e9 12 01 00 00 e8 48 86 cb fd 84 c0 74 28 e8 6f 7f e5 fd e9 ff 00 00 00 e8 65 7f e5 fd 48 8d 3d 1e b7 af 0b 44 89 ee <67> 48 0f b9 3a e9 3e f9 ff ff e8 ac 18 7e 07 e8 47 1f 7e 07 41 89
RSP: 0018:ffffc900055178c0 EFLAGS: 00010283
RAX: ffffffff83db770b RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc9002307d000 RSI: 00000000ffffffe4 RDI: ffffffff8f8b2e30
RBP: ffffc90005517ab0 R08: ffff888109188000 R09: 0000000000000003
R10: 00000000fffffffb R11: 0000000000000002 R12: dffffc0000000000
R13: ffffffffffffffe4 R14: ffff8881152c0001 R15: ffff8881ba4f74a0
FS:  00007f7743ef26c0(0000) GS:ffff8882a9e1f000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff0faa1738 CR3: 0000000117544000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 btrfs_relocate_chunk+0x29b/0x5c0
 __btrfs_balance+0x18ff/0x24e0
 btrfs_balance+0xac2/0x11b0
 btrfs_ioctl_balance+0x3d3/0x610
 __se_sys_ioctl+0xfc/0x170
 do_syscall_64+0xec/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7742f8f7c9
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:00007f7743ef2038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f77431e5fa0 RCX: 00007f7742f8f7c9
RDX: 0000200000000580 RSI: 00000000c4009420 RDI: 0000000000000006
RBP: 00007f7742ff297f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f77431e6038 R14: 00007f77431e5fa0 R15: 00007fff408c1c28
 </TASK>
