------------[ cut here ]------------
WARNING: CPU: 0 PID: 4439 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x2d3/0x5b0 fs/btrfs/space-info.h:110
Modules linked in:
CPU: 0 PID: 4439 Comm: syz-executor.0 Not tainted 5.15.181-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
RIP: 0010:btrfs_space_info_update_bytes_may_use+0x2d3/0x5b0 fs/btrfs/space-info.h:110
Code: 35 00 00 74 08 4c 89 ff e8 0a cc 5f fe 4d 8b 27 4c 89 e7 48 8b 6c 24 18 48 89 ee e8 87 5a 1a fe 49 39 ec 73 1a e8 9d 58 1a fe <0f> 0b 31 db 43 80 7c 35 00 00 0f 85 6d ff ff ff e9 70 ff ff ff e8
RSP: 0018:ffffc90002f9fb58 EFLAGS: 00010293
RAX: ffffffff835d6573 RBX: fffffffffff30000 RCX: ffff88801de80000
RDX: 0000000000000000 RSI: 00000000000d0000 RDI: 00000000000cf000
RBP: 00000000000d0000 R08: dffffc0000000000 R09: fffffbfff1ad155e
R10: fffffbfff1ad155e R11: 1ffffffff1ad155d R12: 00000000000cf000
R13: 1ffff1100fd47c0c R14: dffffc0000000000 R15: ffff88807ea3e060
FS:  00005555893a8480(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe9fd1fff8 CR3: 0000000071e0b000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 btrfs_space_info_free_bytes_may_use fs/btrfs/space-info.h:142 [inline]
 block_rsv_release_bytes fs/btrfs/block-rsv.c:151 [inline]
 btrfs_block_rsv_release+0x367/0x550 fs/btrfs/block-rsv.c:295
 btrfs_release_global_block_rsv+0x2f/0x250 fs/btrfs/block-rsv.c:451
 btrfs_free_block_groups+0x8c6/0xcc0 fs/btrfs/block-group.c:3984
 close_ctree+0x706/0x8c0 fs/btrfs/disk-io.c:4528
 generic_shutdown_super+0x130/0x300 fs/super.c:475
 kill_anon_super+0x36/0x70 fs/super.c:1089
 btrfs_kill_super+0x3d/0x50 fs/btrfs/super.c:2390
 deactivate_locked_super+0x93/0xf0 fs/super.c:335
 cleanup_mnt+0x418/0x4d0 fs/namespace.c:1143
 task_work_run+0x125/0x1a0 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0x10f/0x130 kernel/entry/common.c:181
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:307
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7faddf115c87
Code: b0 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b0 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007ffe9fd207c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007faddf115c87
RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffe9fd20880
RBP: 00007ffe9fd20880 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffe9fd21940
R13: 00007faddf16fc5a R14: 00000000000149f9 R15: 0000000000000003
 </TASK>