------------[ cut here ]------------ WARNING: CPU: 0 PID: 3500 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x294/0x5c0 Modules linked in: CPU: 0 PID: 3500 Comm: syz-executor321 Not tainted 5.15.123-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 RIP: 0010:btrfs_space_info_update_bytes_may_use+0x294/0x5c0 fs/btrfs/space-info.h:110 Code: 25 00 00 74 08 4c 89 ff e8 d9 5b 49 fe 49 8b 1f 48 89 df 48 8b 6c 24 18 48 89 ee e8 d6 e8 ff fd 48 39 eb 73 14 e8 ec e6 ff fd <0f> 0b 45 31 f6 43 80 7c 25 00 00 75 ac eb b2 e8 d8 e6 ff fd 43 80 RSP: 0018:ffffc90002f9fb38 EFLAGS: 00010293 RAX: ffffffff83801984 RBX: 00000000000cf000 RCX: ffff88801358bb80 RDX: 0000000000000000 RSI: 00000000000d0000 RDI: 00000000000cf000 RBP: 00000000000d0000 R08: ffffffff8380197a R09: fffffbfff1bc7f0e R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: 1ffff1100f5c1b0c R14: fffffffffff30000 R15: ffff88807ae0d860 FS: 0000555555bd5380(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7788f709f8 CR3: 000000007d764000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: 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+0x486/0x570 fs/btrfs/block-rsv.c:295 btrfs_release_global_block_rsv+0x2f/0x250 fs/btrfs/block-rsv.c:451 btrfs_free_block_groups+0x8ab/0xc90 fs/btrfs/block-group.c:3963 close_ctree+0x6d6/0x886 fs/btrfs/disk-io.c:4498 generic_shutdown_super+0x136/0x2c0 fs/super.c:475 kill_anon_super+0x37/0x60 fs/super.c:1067 btrfs_kill_super+0x3d/0x50 fs/btrfs/super.c:2391 deactivate_locked_super+0xa0/0x110 fs/super.c:335 cleanup_mnt+0x44e/0x500 fs/namespace.c:1143 task_work_run+0x129/0x1a0 kernel/task_work.c:164 tracehook_notify_resume include/linux/tracehook.h:189 [inline] exit_to_user_mode_loop+0x106/0x130 kernel/entry/common.c:175 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:208 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline] syscall_exit_to_user_mode+0x5d/0x250 kernel/entry/common.c:301 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f7788f294c7 Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffc05e9bf58 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 000000000000bfdd RCX: 00007f7788f294c7 RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffc05e9c010 RBP: 00007ffc05e9c010 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffc05e9d090 R13: 0000555555bd66c0 R14: 431bde82d7b634db R15: 00007ffc05e9d0b0