BTRFS warning: 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead
BTRFS warning (device loop1 state M): Skipping commit of aborted transaction.
------------[ cut here ]------------
BTRFS: Transaction aborted (error -28)
WARNING: fs/btrfs/transaction.c:2036 at btrfs_commit_transaction+0x323a/0x3c50, CPU#1: syz.1.32954/21655
Modules linked in:
CPU: 1 UID: 0 PID: 21655 Comm: syz.1.32954 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:btrfs_commit_transaction+0x3242/0x3c50
Code: a4 42 e9 fd eb 7d e8 6d fe ce fd 84 c0 74 25 e8 94 42 e9 fd eb 6d e8 8d 42 e9 fd 48 8d 3d c6 05 f2 0b 44 8b 6c 24 38 44 89 ee <67> 48 0f b9 3a e9 e7 f8 ff ff e8 4f 6a 9c 07 89 c3 31 ff 89 c6 e8
RSP: 0018:ffffc9000376f780 EFLAGS: 00010283
RAX: ffffffff83d939f3 RBX: ffff8881ca278001 RCX: 0000000000080000
RDX: ffffc90009922000 RSI: 00000000ffffffe4 RDI: ffffffff8fcb3fc0
RBP: ffffc9000376fac0 R08: ffff888034273a80 R09: 0000000000000003
R10: 00000000fffffffb R11: 0000000000000002 R12: 1ffff110231abc0a
R13: 00000000ffffffe4 R14: 0000000000000000 R15: ffff8881ca278000
FS:  00007fdf532776c0(0000) GS:ffff8882a9a09000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5bed9f5ff8 CR3: 000000010cb78000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 btrfs_set_free_space_cache_v1_active+0x71/0x420
 btrfs_reconfigure+0x1be4/0x2160
 reconfigure_super+0x227/0x8a0
 path_mount+0xd3e/0x1000
 __se_sys_mount+0x31d/0x420
 do_syscall_64+0xe2/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fdf5239bf4a
Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 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:00007fdf53276e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fdf53276ee0 RCX: 00007fdf5239bf4a
RDX: 0000200000000180 RSI: 0000200000000100 RDI: 0000000000000000
RBP: 0000200000000180 R08: 00007fdf53276ee0 R09: 00000000022520a2
R10: 00000000022520a2 R11: 0000000000000246 R12: 0000200000000100
R13: 00007fdf53276ea0 R14: 0000000000000000 R15: 00002000000002c0
 </TASK>
