BTRFS info (device loop0: state EA): last unmount of filesystem e417788f-7a09-42b2-9266-8ddc5d5d35d2 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5426 at fs/btrfs/space-info.h:199 btrfs_space_info_update_bytes_may_use fs/btrfs/space-info.h:199 [inline] WARNING: CPU: 1 PID: 5426 at fs/btrfs/space-info.h:199 btrfs_space_info_update_bytes_may_use+0x45f/0x5b0 fs/btrfs/space-info.h:199 Modules linked in: CPU: 1 PID: 5426 Comm: syz-executor.0 Not tainted 6.7.0-next-20240118-syzkaller-13783-g2863b714f3ad #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 RIP: 0010:btrfs_space_info_update_bytes_may_use fs/btrfs/space-info.h:199 [inline] RIP: 0010:btrfs_space_info_update_bytes_may_use+0x45f/0x5b0 fs/btrfs/space-info.h:199 Code: e9 64 fc ff ff e8 01 c4 e5 fd 49 89 ee 4c 89 ee 49 f7 de 4c 89 f7 e8 40 be e5 fd 4d 39 f5 0f 83 6f fd ff ff e8 e2 c3 e5 fd 90 <0f> 0b 90 31 ed e9 67 fd ff ff e8 d2 c3 e5 fd 48 8d 7b 18 be ff ff RSP: 0000:ffffc90004fcfac8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff88806a493800 RCX: ffffffff83a65e90 RDX: ffff88802ec58000 RSI: ffffffff83a65e9e RDI: 0000000000000006 RBP: ffffffffffea0000 R08: 0000000000000006 R09: 0000000000160000 R10: 000000000015f000 R11: 0000000000000001 R12: ffff88806a493860 R13: 000000000015f000 R14: 0000000000160000 R15: 0000000000000005 FS: 0000555555699480(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9cf6403d22 CR3: 000000001f93e000 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:231 [inline] block_rsv_release_bytes fs/btrfs/block-rsv.c:154 [inline] btrfs_block_rsv_release+0x5ac/0x6c0 fs/btrfs/block-rsv.c:295 btrfs_release_global_block_rsv+0x26/0x2f0 fs/btrfs/block-rsv.c:451 btrfs_free_block_groups+0xbbc/0x13e0 fs/btrfs/block-group.c:4338 close_ctree+0xa56/0xfa0 fs/btrfs/disk-io.c:4375 generic_shutdown_super+0x159/0x3d0 fs/super.c:646 kill_anon_super+0x3a/0x60 fs/super.c:1230 btrfs_kill_super+0x3b/0x50 fs/btrfs/super.c:2085 deactivate_locked_super+0xbe/0x1a0 fs/super.c:477 deactivate_super+0xde/0x100 fs/super.c:510 cleanup_mnt+0x222/0x450 fs/namespace.c:1267 task_work_run+0x14e/0x250 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:108 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:201 [inline] syscall_exit_to_user_mode+0x27e/0x2b0 kernel/entry/common.c:212 do_syscall_64+0xe2/0x260 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x6d/0x75 RIP: 0033:0x7f95c6e7dbc7 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:00007fffdc9e1748 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f95c6e7dbc7 RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007fffdc9e1800 RBP: 00007fffdc9e1800 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fffdc9e28c0 R13: 00007f95c6ed7aa2 R14: 000000000001e5a7 R15: 0000000000000004