misc raw-gadget: fail, usb_gadget_register_driver returned -16
BTRFS info (device loop4): balance: start -sdrange=9..107
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BTRFS: Transaction aborted (error -28)
WARNING: CPU: 0 PID: 7841 at fs/btrfs/block-group.c:2796 btrfs_create_pending_block_groups+0x1150/0x1780
Modules linked in:
CPU: 0 UID: 0 PID: 7841 Comm: syz.4.256 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 e4 0e b9 fd 84 c0 74 29 e8 3b 5b d2 fd e9 fd 01 00 00 e8 31 5b d2 fd 90 48 c7 c7 a0 30 90 8b 44 89 f6 e8 31 e5 95 fd 90 <0f> 0b 90 90 e9 e5 fd ff ff e8 32 f1 49 07 41 89 c7 31 ff 89 c6 e8
RSP: 0018:ffffc9000695f6e0 EFLAGS: 00010246
RAX: cabe5db2a76c0e00 RBX: ffff88811afa4001 RCX: 0000000000080000
RDX: ffffc90007fda000 RSI: 000000000000a269 RDI: 000000000000a26a
RBP: ffffc9000695f948 R08: ffff88804b224293 R09: 1ffff11009644852
R10: dffffc0000000000 R11: ffffed1009644853 R12: 0000000000000000
R13: dffffc0000000000 R14: 00000000ffffffe4 R15: ffff88811ed01000
FS:  00007f17b36216c0(0000) GS:ffff8880b8d7e000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fff461f48d8 CR3: 0000000039d76000 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: 0033:0x7f17b278ec29
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:00007f17b3621038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f17b29d6180 RCX: 00007f17b278ec29
RDX: 0000200000000440 RSI: 00000000c4009420 RDI: 0000000000000009
RBP: 00007f17b2811e41 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f17b29d6218 R14: 00007f17b29d6180 R15: 00007fff124e26f8
 </TASK>
