------------[ cut here ]------------ WARNING: CPU: 1 PID: 3628 at fs/btrfs/space-info.h:110 btrfs_space_info_update_bytes_may_use+0x294/0x5c0 Modules linked in: CPU: 1 PID: 3628 Comm: syz-executor.0 Not tainted 5.15.107-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023 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 b9 86 49 fe 49 8b 1f 48 89 df 48 8b 6c 24 18 48 89 ee e8 96 31 00 fe 48 39 eb 73 14 e8 ac 2f 00 fe <0f> 0b 45 31 f6 43 80 7c 25 00 00 75 ac eb b2 e8 98 2f 00 fe 43 80 RSP: 0018:ffffc90002ddfb40 EFLAGS: 00010293 RAX: ffffffff837f8b04 RBX: 00000000000cf000 RCX: ffff888079308000 RDX: 0000000000000000 RSI: 00000000000d0000 RDI: 00000000000cf000 RBP: 00000000000d0000 R08: ffffffff837f8afa R09: fffffbfff1bc6396 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: 1ffff1100e6fc90c R14: fffffffffff30000 R15: ffff8880737e4860 FS: 00005555572fc400(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f375fbe4300 CR3: 000000002dd70000 CR4: 00000000003506e0 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:150 [inline] btrfs_block_rsv_release+0x444/0x530 fs/btrfs/block-rsv.c:294 btrfs_release_global_block_rsv+0x2f/0x250 fs/btrfs/block-rsv.c:450 btrfs_free_block_groups+0x8ab/0xc90 fs/btrfs/block-group.c:3922 close_ctree+0x6d6/0x886 fs/btrfs/disk-io.c:4481 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:2393 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: 0033:0x7f5a9124d5d7 Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 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 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd80b6ce18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f5a9124d5d7 RDX: 00007ffd80b6ceeb RSI: 000000000000000a RDI: 00007ffd80b6cee0 RBP: 00007ffd80b6cee0 R08: 00000000ffffffff R09: 00007ffd80b6ccb0 R10: 00005555572fd8b3 R11: 0000000000000246 R12: 00007f5a912a6cdc R13: 00007ffd80b6dfa0 R14: 00005555572fd810 R15: 00007ffd80b6dfe0