btrfs: Deprecated parameter 'usebackuproot'
BTRFS warning: 'usebackuproot' is deprecated, use 'rescue=usebackuproot' instead
BTRFS warning (device loop2 state M): Skipping commit of aborted transaction.
------------[ cut here ]------------
BTRFS: Transaction aborted (error -28)
WARNING: CPU: 1 PID: 7230 at fs/btrfs/transaction.c:2021 cleanup_transaction fs/btrfs/transaction.c:2021 [inline]
WARNING: CPU: 1 PID: 7230 at fs/btrfs/transaction.c:2021 btrfs_commit_transaction+0x2f51/0x37f0 fs/btrfs/transaction.c:2612
Modules linked in:
CPU: 1 UID: 0 PID: 7230 Comm: syz.2.257 Not tainted 6.16.0-rc1-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:cleanup_transaction fs/btrfs/transaction.c:2021 [inline]
RIP: 0010:btrfs_commit_transaction+0x2f51/0x37f0 fs/btrfs/transaction.c:2612
Code: 24 18 44 89 fa e8 0f 4a 67 fd e9 1b f9 ff ff e8 05 83 fd fd 90 48 c7 c7 00 84 cd 8b 44 8b 7c 24 18 44 89 fe e8 30 2e c1 fd 90 <0f> 0b 90 90 e9 f7 f8 ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c
RSP: 0018:ffffc9000bd3f7a0 EFLAGS: 00010246
RAX: 4d48cf5faddabc00 RBX: 0000000000000000 RCX: 0000000000080000
RDX: ffffc9000c643000 RSI: 00000000000096d2 RDI: 00000000000096d3
RBP: ffffc9000bd3fac8 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1bfa9ec R12: ffff8880580065d0
R13: ffff88802f889278 R14: ffff888058004001 R15: 00000000ffffffe4
FS:  00007fd16de0f6c0(0000) GS:ffff888125d86000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fab23172000 CR3: 0000000034920000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 btrfs_set_free_space_cache_v1_active+0x71/0x1e0 fs/btrfs/free-space-cache.c:4152
 btrfs_remount_cleanup fs/btrfs/super.c:1278 [inline]
 btrfs_reconfigure+0x2766/0x2d30 fs/btrfs/super.c:1556
 reconfigure_super+0x224/0x890 fs/super.c:1075
 do_remount fs/namespace.c:3369 [inline]
 path_mount+0xd18/0xfe0 fs/namespace.c:4201
 do_mount fs/namespace.c:4222 [inline]
 __do_sys_mount fs/namespace.c:4433 [inline]
 __se_sys_mount+0x317/0x410 fs/namespace.c:4410
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd16cf900ca
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd16de0ee68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fd16de0eef0 RCX: 00007fd16cf900ca
RDX: 0000200000000180 RSI: 0000200000000100 RDI: 0000000000000000
RBP: 0000200000000180 R08: 00007fd16de0eef0 R09: 00000000022520a2
R10: 00000000022520a2 R11: 0000000000000246 R12: 0000200000000100
R13: 00007fd16de0eeb0 R14: 0000000000000000 R15: 00002000000002c0
 </TASK>