------------[ cut here ]------------ WARNING: CPU: 1 PID: 3629 at fs/btrfs/space-info.h:122 btrfs_space_info_update_bytes_may_use+0x3cd/0x8a0 Modules linked in: CPU: 1 PID: 3629 Comm: syz-executor160 Not tainted 6.1.20-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 RIP: 0010:btrfs_space_info_update_bytes_may_use+0x3cd/0x8a0 fs/btrfs/space-info.h:122 Code: 25 00 00 74 08 4c 89 ff e8 70 64 31 fe 49 8b 1f 48 89 df 48 8b 6c 24 18 48 89 ee e8 ad 01 db fd 48 39 eb 73 14 e8 c3 ff da fd <0f> 0b 45 31 f6 43 80 7c 25 00 00 75 ac eb b2 e8 af ff da fd 43 80 RSP: 0018:ffffc90003c6f9f8 EFLAGS: 00010293 RAX: ffffffff83af615d RBX: 00000000000df000 RCX: ffff888026701d40 RDX: 0000000000000000 RSI: 00000000000e0000 RDI: 00000000000df000 RBP: 00000000000e0000 R08: ffffffff83af6153 R09: fffffbfff1ca5dae R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: 1ffff1100f78470c R14: fffffffffff20000 R15: ffff88807bc23860 FS: 0000555555ba9300(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555555bb2628 CR3: 000000007bbd0000 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:154 [inline] block_rsv_release_bytes fs/btrfs/block-rsv.c:151 [inline] btrfs_block_rsv_release+0x43d/0x520 fs/btrfs/block-rsv.c:295 btrfs_release_global_block_rsv+0x2f/0x250 fs/btrfs/block-rsv.c:463 btrfs_free_block_groups+0xa31/0xe20 fs/btrfs/block-group.c:4052 close_ctree+0x6db/0xc35 fs/btrfs/disk-io.c:4719 generic_shutdown_super+0x130/0x340 fs/super.c:492 kill_anon_super+0x37/0x60 fs/super.c:1099 btrfs_kill_super+0x3d/0x50 fs/btrfs/super.c:2441 deactivate_locked_super+0xa0/0x110 fs/super.c:332 cleanup_mnt+0x490/0x520 fs/namespace.c:1186 task_work_run+0x246/0x300 kernel/task_work.c:179 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0xd9/0x100 kernel/entry/common.c:171 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:203 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline] syscall_exit_to_user_mode+0x60/0x2d0 kernel/entry/common.c:296 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f444e860e67 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 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc74adbd88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f444e860e67 RDX: 00007ffc74adbe49 RSI: 000000000000000a RDI: 00007ffc74adbe40 RBP: 00007ffc74adbe40 R08: 00000000ffffffff R09: 00007ffc74adbc20 R10: 0000555555baa653 R11: 0000000000000206 R12: 00007ffc74adcec0 R13: 0000555555baa5f0 R14: 00007ffc74adbdb0 R15: 0000000000000003