BTRFS info (device loop0): last unmount of filesystem a6a605fc-d5f1-4e66-8595-3726e2b761d6 ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5058 at fs/btrfs/space-info.h:199 btrfs_space_info_update_bytes_may_use+0x2a0/0x610 fs/btrfs/space-info.h:199 Modules linked in: CPU: 1 PID: 5058 Comm: syz-executor176 Not tainted 6.7.0-rc3-syzkaller-00134-g994d5c58e50e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 RIP: 0010:btrfs_space_info_update_bytes_may_use+0x2a0/0x610 fs/btrfs/space-info.h:199 Code: 00 00 74 08 4c 89 ff e8 5e 9c 32 fe 49 8b 1f 48 89 df 48 8b 6c 24 20 48 89 ee e8 7b 96 d6 fd 48 39 eb 73 16 e8 61 94 d6 fd 90 <0f> 0b 90 45 31 f6 43 80 7c 25 00 00 75 aa eb b0 e8 4b 94 d6 fd 43 RSP: 0018:ffffc90003a2f920 EFLAGS: 00010293 RAX: ffffffff83b7e5df RBX: 000000000015f000 RCX: ffff888025350000 RDX: 0000000000000000 RSI: 0000000000160000 RDI: 000000000015f000 RBP: 0000000000160000 R08: ffffffff83b7e5d5 R09: 1ffffffff1e01725 R10: dffffc0000000000 R11: fffffbfff1e01726 R12: dffffc0000000000 R13: 1ffff110296d140c R14: ffffffffffea0000 R15: ffff88814b68a060 FS: 0000555556a2e380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555556a376f8 CR3: 0000000074adf000 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+0x4fb/0x5f0 fs/btrfs/block-rsv.c:295 btrfs_release_global_block_rsv+0x33/0x270 fs/btrfs/block-rsv.c:451 btrfs_free_block_groups+0xc39/0x1070 fs/btrfs/block-group.c:4366 close_ctree+0x75a/0xd40 fs/btrfs/disk-io.c:4390 generic_shutdown_super+0x13a/0x2c0 fs/super.c:696 kill_anon_super+0x3b/0x70 fs/super.c:1295 btrfs_kill_super+0x41/0x50 fs/btrfs/super.c:2100 deactivate_locked_super+0xc1/0x130 fs/super.c:484 cleanup_mnt+0x426/0x4c0 fs/namespace.c:1256 task_work_run+0x24a/0x300 kernel/task_work.c:180 ptrace_notify+0x2cd/0x380 kernel/signal.c:2399 ptrace_report_syscall include/linux/ptrace.h:411 [inline] ptrace_report_syscall_exit include/linux/ptrace.h:473 [inline] syscall_exit_work kernel/entry/common.c:251 [inline] syscall_exit_to_user_mode_prepare kernel/entry/common.c:278 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline] syscall_exit_to_user_mode+0x168/0x2a0 kernel/entry/common.c:296 do_syscall_64+0x52/0x110 arch/x86/entry/common.c:88 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7f173854c407 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:00007ffc4af76f48 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 00000000000117e1 RCX: 00007f173854c407 RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffc4af77000 RBP: 00007ffc4af77000 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffc4af78080 R13: 0000555556a2f6c0 R14: 431bde82d7b634db R15: 00007ffc4af780a0