syzbot

BTRFS error (device loop6: state M): cannot disable free space tree
BTRFS warning (device loop6: state M): Skipping commit of aborted transaction.
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BTRFS: Transaction aborted (error -28)
WARNING: CPU: 0 PID: 10513 at fs/btrfs/transaction.c:2004 cleanup_transaction fs/btrfs/transaction.c:2004 [inline]
WARNING: CPU: 0 PID: 10513 at fs/btrfs/transaction.c:2004 btrfs_commit_transaction+0x2ebf/0x3760 fs/btrfs/transaction.c:2587
Modules linked in:
CPU: 0 PID: 10513 Comm: syz.6.1115 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:cleanup_transaction fs/btrfs/transaction.c:2004 [inline]
RIP: 0010:btrfs_commit_transaction+0x2ebf/0x3760 fs/btrfs/transaction.c:2587
Code: e8 36 50 0e fe be 01 00 00 00 4c 89 ef e8 09 f4 a7 00 e9 5a d7 ff ff e8 1f 50 0e fe 48 c7 c7 00 fb ec 8a 89 de e8 41 cc d8 fd <0f> 0b e9 65 f9 ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 6f d2
RSP: 0018:ffffc900032977c0 EFLAGS: 00010246

RAX: 1d407fbb26d9fd00 RBX: 00000000ffffffe4 RCX: 0000000000080000
RDX: ffffc900050d1000 RSI: 0000000000019005 RDI: 0000000000019006
RBP: ffffc90003297ae8 R08: ffffc900032973c7 R09: 1ffff92000652e78
R10: dffffc0000000000 R11: fffff52000652e79 R12: ffff88805ee36348
R13: ffff88805ee36368 R14: 0000000000000000 R15: dffffc0000000000
FS:  00007f9ae67726c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9ae6750f98 CR3: 000000006ab35000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 btrfs_set_free_space_cache_v1_active+0x71/0x1c0 fs/btrfs/free-space-cache.c:4151
 btrfs_remount_cleanup fs/btrfs/super.c:1684 [inline]
 btrfs_remount+0x6cc/0x1470 fs/btrfs/super.c:1880
 reconfigure_super+0x21e/0x880 fs/super.c:1151
 do_remount fs/namespace.c:2927 [inline]
 path_mount+0xd19/0xfe0 fs/namespace.c:3705
 do_mount fs/namespace.c:3726 [inline]
 __do_sys_mount fs/namespace.c:3935 [inline]
 __se_sys_mount+0x2da/0x3c0 fs/namespace.c:3912
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f9ae598f749
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:00007f9ae6772038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f9ae5be5fa0 RCX: 00007f9ae598f749
RDX: 0000000000000000 RSI: 00002000000000c0 RDI: 0000000000000000
RBP: 00007f9ae5a13f91 R08: 0000200000000140 R09: 0000000000000000
R10: 0000000000000020 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9ae5be6038 R14: 00007f9ae5be5fa0 R15: 00007fff1aa89e88
 </TASK>