------------[ cut here ]------------
WARNING: CPU: 1 PID: 5092 at fs/btrfs/block-rsv.c:460 btrfs_release_global_block_rsv+0x25d/0x270 fs/btrfs/block-rsv.c:460
Modules linked in:
CPU: 1 PID: 5092 Comm: syz-executor.0 Not tainted 6.7.0-rc2-syzkaller-00195-g0f5cc96c367f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
RIP: 0010:btrfs_release_global_block_rsv+0x25d/0x270 fs/btrfs/block-rsv.c:460
Code: 0f 0b 90 e9 10 ff ff ff e8 00 9a d6 fd 90 0f 0b 90 e9 3a ff ff ff e8 f2 99 d6 fd 90 0f 0b 90 e9 6b ff ff ff e8 e4 99 d6 fd 90 <0f> 0b 90 eb 8d 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 66 0f 1f
RSP: 0018:ffffc9000448fab8 EFLAGS: 00010293
RAX: ffffffff83b7df9c RBX: fffffffffffd0000 RCX: ffff888078519dc0
RDX: 0000000000000000 RSI: fffffffffffd0000 RDI: 0000000000000000
RBP: 0000000000000001 R08: ffffffff83b7df25 R09: 1ffff110051df000
R10: dffffc0000000000 R11: ffffed10051df001 R12: ffff888028efb800
R13: 1ffff110051df72e R14: ffff88801a7e0418 R15: dffffc0000000000
FS:  000055555715e480(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fadf6d98000 CR3: 0000000033f5f000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 btrfs_free_block_groups+0xc39/0x1070 fs/btrfs/block-group.c:4366
 close_ctree+0x75a/0xd40 fs/btrfs/disk-io.c:4389
 generic_shutdown_super+0x13a/0x2c0 fs/super.c:696
 kill_anon_super+0x3b/0x70 fs/super.c:1295
 btrfs_kill_super+0x41/0x50 fs/btrfs/super.c:2097
 deactivate_locked_super+0xc1/0x130 fs/super.c:484
 cleanup_mnt+0x426/0x4c0 fs/namespace.c:1256
 task_work_run+0x24a/0x300 kernel/task_work.c:180
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0xde/0x100 kernel/entry/common.c:171
 exit_to_user_mode_prepare+0xb1/0x150 kernel/entry/common.c:204
 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
 syscall_exit_to_user_mode+0x69/0x2a0 kernel/entry/common.c:296
 do_syscall_64+0x52/0x110 arch/x86/entry/common.c:88
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f611ca7de17
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:00007ffc2a58c0b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f611ca7de17
RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffc2a58c170
RBP: 00007ffc2a58c170 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffc2a58d230
R13: 00007f611cac73b9 R14: 0000000000204f20 R15: 0000000000000012
 </TASK>