BTRFS info (device loop0 state EA): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5331 at fs/btrfs/space-info.h:250 btrfs_space_info_update_bytes_may_use+0x2c4/0x660 fs/btrfs/space-info.h:250 Modules linked in: CPU: 0 UID: 0 PID: 5331 Comm: syz-executor402 Not tainted 6.12.0-rc7-syzkaller #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:btrfs_space_info_update_bytes_may_use+0x2c4/0x660 fs/btrfs/space-info.h:250 Code: 00 00 74 08 4c 89 ff e8 1a cc 23 fe 49 8b 1f 48 89 df 48 8b 6c 24 20 48 89 ee e8 f7 03 ba fd 48 39 eb 73 16 e8 8d 01 ba fd 90 <0f> 0b 90 45 31 f6 43 80 7c 25 00 00 75 a6 eb ac e8 77 01 ba fd 43 RSP: 0018:ffffc9000ce0fa00 EFLAGS: 00010293 RAX: ffffffff83dad883 RBX: 00000000000ef000 RCX: ffff888000204880 RDX: 0000000000000000 RSI: 00000000000f0000 RDI: 00000000000ef000 RBP: 00000000000f0000 R08: ffffffff83dad879 R09: 1ffffffff203a13d R10: dffffc0000000000 R11: fffffbfff203a13e R12: dffffc0000000000 R13: 1ffff1100818630d R14: fffffffffff10000 R15: ffff888040c31868 FS: 000055555baa63c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffe337e2e48 CR3: 000000004405c000 CR4: 0000000000352ef0 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:283 [inline] block_rsv_release_bytes fs/btrfs/block-rsv.c:153 [inline] btrfs_block_rsv_release+0x4f4/0x5f0 fs/btrfs/block-rsv.c:294 btrfs_release_global_block_rsv+0x33/0x270 fs/btrfs/block-rsv.c:450 btrfs_free_block_groups+0xc3c/0x1080 fs/btrfs/block-group.c:4472 close_ctree+0x772/0xd60 fs/btrfs/disk-io.c:4378 generic_shutdown_super+0x139/0x2d0 fs/super.c:642 kill_anon_super+0x3b/0x70 fs/super.c:1237 btrfs_kill_super+0x41/0x50 fs/btrfs/super.c:2114 deactivate_locked_super+0xc4/0x130 fs/super.c:473 cleanup_mnt+0x41f/0x4b0 fs/namespace.c:1373 task_work_run+0x24f/0x310 kernel/task_work.c:239 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: 0033:0x7f3fd538c557 Code: 08 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 b0 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffe337e35f8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f3fd538c557 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffe337e36b0 RBP: 00007ffe337e36b0 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffe337e4760 R13: 000055555baa7700 R14: 431bde82d7b634db R15: 00007ffe337e4704