btrfs: Deprecated parameter 'usebackuproot'
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: CPU: 0 PID: 15162 at fs/btrfs/transaction.c:2023 cleanup_transaction fs/btrfs/transaction.c:2023 [inline]
WARNING: CPU: 0 PID: 15162 at fs/btrfs/transaction.c:2023 btrfs_commit_transaction+0x2f67/0x3950 fs/btrfs/transaction.c:2614
Modules linked in:
CPU: 0 UID: 0 PID: 15162 Comm: syz.1.3974 Not tainted 6.16.0-syzkaller-02094-g86aa72182095 #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:cleanup_transaction fs/btrfs/transaction.c:2023 [inline]
RIP: 0010:btrfs_commit_transaction+0x2f67/0x3950 fs/btrfs/transaction.c:2614
Code: 0f 55 e2 fd 84 c0 74 2b e8 96 51 fb fd eb 73 e8 8f 51 fb fd 90 48 c7 c7 40 a0 cd 8b 8b 5c 24 18 89 de e8 2c 3e bf fd 89 d9 90 <0f> 0b 90 90 e9 1a 01 00 00 e8 7b fc aa 07 89 c3 31 ff 89 c6 e8 a0
RSP: 0018:ffffc9001c79f780 EFLAGS: 00010246
RAX: b56b626df5906200 RBX: 00000000ffffffe4 RCX: 00000000ffffffe4
RDX: ffffc9000c2d9000 RSI: 000000000000839d RDI: 000000000000839e
RBP: ffffc9001c79fac0 R08: ffff8880b8624293 R09: 1ffff110170c4852
R10: dffffc0000000000 R11: ffffed10170c4853 R12: ffff8880256c4e78
R13: ffff888046e64000 R14: ffff888046e64000 R15: 0000000000000000
FS:  00007fc5e1f676c0(0000) GS:ffff888125c86000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3dd2309000 CR3: 0000000031371000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 btrfs_set_free_space_cache_v1_active+0x71/0x430 fs/btrfs/free-space-cache.c:4152
 btrfs_remount_cleanup fs/btrfs/super.c:1287 [inline]
 btrfs_reconfigure+0x1bd4/0x2160 fs/btrfs/super.c:1565
 reconfigure_super+0x227/0x890 fs/super.c:1077
 do_remount fs/namespace.c:3314 [inline]
 path_mount+0xd18/0xfe0 fs/namespace.c:4112
 do_mount fs/namespace.c:4133 [inline]
 __do_sys_mount fs/namespace.c:4344 [inline]
 __se_sys_mount+0x317/0x410 fs/namespace.c:4321
 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: 0033:0x7fc5e119014a
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:00007fc5e1f66e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fc5e1f66ef0 RCX: 00007fc5e119014a
RDX: 0000200000000180 RSI: 0000200000000100 RDI: 0000000000000000
RBP: 0000200000000180 R08: 00007fc5e1f66ef0 R09: 00000000022520a2
R10: 00000000022520a2 R11: 0000000000000246 R12: 0000200000000100
R13: 00007fc5e1f66eb0 R14: 0000000000000000 R15: 00002000000002c0
 </TASK>