BTRFS info (device loop0 state EA): last unmount of filesystem d09153a9-5497-4f31-8e52-d2d02bbdf7fc ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5453 at fs/btrfs/space-info.h:208 btrfs_space_info_update_bytes_may_use+0x2c4/0x660 fs/btrfs/space-info.h:208 Modules linked in: CPU: 1 PID: 5453 Comm: syz-executor.0 Not tainted 6.9.0-syzkaller-12124-g6d69b6c12fce #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 RIP: 0010:btrfs_space_info_update_bytes_may_use+0x2c4/0x660 fs/btrfs/space-info.h:208 Code: 00 00 74 08 4c 89 ff e8 6a 25 28 fe 49 8b 1f 48 89 df 48 8b 6c 24 20 48 89 ee e8 77 7a c2 fd 48 39 eb 73 16 e8 0d 78 c2 fd 90 <0f> 0b 90 45 31 f6 43 80 7c 25 00 00 75 a6 eb ac e8 f7 77 c2 fd 43 RSP: 0018:ffffc9000389fa00 EFLAGS: 00010293 RAX: ffffffff83d39c73 RBX: 000000000015f000 RCX: ffff888026608000 RDX: 0000000000000000 RSI: 0000000000160000 RDI: 000000000015f000 RBP: 0000000000160000 R08: ffffffff83d39c69 R09: 1ffffffff1f5a6a5 R10: dffffc0000000000 R11: fffffbfff1f5a6a6 R12: dffffc0000000000 R13: 1ffff1100f48320c R14: ffffffffffea0000 R15: ffff88807a419060 FS: 000055556be73480(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff411f2f08 CR3: 00000000741c8000 CR4: 0000000000350ef0 Call Trace: btrfs_space_info_free_bytes_may_use fs/btrfs/space-info.h:240 [inline] block_rsv_release_bytes fs/btrfs/block-rsv.c:153 [inline] btrfs_block_rsv_release+0x4ff/0x600 fs/btrfs/block-rsv.c:294 btrfs_release_global_block_rsv+0x33/0x270 fs/btrfs/block-rsv.c:450 btrfs_free_block_groups+0xc39/0x1070 fs/btrfs/block-group.c:4424 close_ctree+0x741/0xd20 fs/btrfs/disk-io.c:4381 generic_shutdown_super+0x138/0x2d0 fs/super.c:642 kill_anon_super+0x3b/0x70 fs/super.c:1226 btrfs_kill_super+0x41/0x50 fs/btrfs/super.c:2088 deactivate_locked_super+0xc6/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1267 task_work_run+0x251/0x310 kernel/task_work.c:180 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x168/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f49b747dbc7 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:00007fff411f36b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f49b747dbc7 RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007fff411f3770 RBP: 00007fff411f3770 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fff411f4830 R13: 00007f49b74d7aa2 R14: 000000000001ae55 R15: 0000000000000002