BTRFS info (device loop0: state EA): last unmount of filesystem 24c7a497-3402-47dd-bef8-82358f5f30e0 BTRFS warning (device loop0: state EA): qgroup 0/5 has unreleased space, type 1 rsv 20480 BTRFS error (device loop0: state EA): qgroup reserved space leaked ------------[ cut here ]------------ WARNING: CPU: 1 PID: 5056 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: 5056 Comm: syz-executor113 Not tainted 6.7.0-rc3-syzkaller-00298-g1b8af6552cb7 #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 9d 32 fe 49 8b 1f 48 89 df 48 8b 6c 24 20 48 89 ee e8 7b 97 d6 fd 48 39 eb 73 16 e8 61 95 d6 fd 90 <0f> 0b 90 45 31 f6 43 80 7c 25 00 00 75 aa eb b0 e8 4b 95 d6 fd 43 RSP: 0018:ffffc90004277920 EFLAGS: 00010293 RAX: ffffffff83b7e4df RBX: 000000000015f000 RCX: ffff888024368000 RDX: 0000000000000000 RSI: 0000000000160000 RDI: 000000000015f000 RBP: 0000000000160000 R08: ffffffff83b7e4d5 R09: 1ffffffff1e0171d R10: dffffc0000000000 R11: fffffbfff1e0171e R12: dffffc0000000000 R13: 1ffff110281f050c R14: ffffffffffea0000 R15: ffff888140f82860 FS: 00005555564e8380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000056201ed6d798 CR3: 00000000788a3000 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: 0033:0x7f733d4e8547 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:00007ffe786efc78 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 000000000000f643 RCX: 00007f733d4e8547 RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffe786efd30 RBP: 00007ffe786efd30 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffe786f0db0 R13: 00005555564e96c0 R14: 431bde82d7b634db R15: 00007ffe786f0dd0