BTRFS info (device loop0): last unmount of filesystem 395ef67a-297e-477c-816d-cd80a5b93e5d
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WARNING: CPU: 0 PID: 6526 at fs/btrfs/space-info.h:265 btrfs_space_info_update_bytes_may_use+0x354/0x6a4 fs/btrfs/space-info.h:-1
Modules linked in:
CPU: 0 UID: 0 PID: 6526 Comm: syz-executor Not tainted 6.16.0-rc2-syzkaller-g9aa9b43d689e #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : btrfs_space_info_update_bytes_may_use+0x354/0x6a4 fs/btrfs/space-info.h:-1
lr : btrfs_space_info_update_bytes_may_use+0x350/0x6a4 fs/btrfs/space-info.h:265
sp : ffff8000a29c7870
x29: ffff8000a29c7890 x28: 1fffe0001b08d910 x27: dfff800000000000
x26: ffff80008f62e768 x25: 0000000000000001 x24: ffff0000c9835b90
x23: 0000000000000005 x22: 000000000015f000 x21: 0000000000160000
x20: ffff0000d846c880 x19: 0000000000000000 x18: 00000000ffffffff
x17: ffff800093320000 x16: ffff80008aecb65c x15: ffff700014538f04
x14: 1ffff00014538f04 x13: 0000000000000004 x12: ffffffffffffffff
x11: ffff700014538f04 x10: 0000000000ff0100 x9 : 0000000000000000
x8 : ffff0000c9835b80 x7 : ffff8000824e6364 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : ffff80008052b7e4
x2 : 0000000000000001 x1 : 0000000000160000 x0 : 000000000015f000
Call trace:
 btrfs_space_info_update_bytes_may_use+0x354/0x6a4 fs/btrfs/space-info.h:-1 (P)
 btrfs_space_info_free_bytes_may_use fs/btrfs/space-info.h:297 [inline]
 block_rsv_release_bytes fs/btrfs/block-rsv.c:153 [inline]
 btrfs_block_rsv_release+0x3a4/0x490 fs/btrfs/block-rsv.c:292
 btrfs_release_global_block_rsv+0x38/0x22c fs/btrfs/block-rsv.c:457
 btrfs_free_block_groups+0xa48/0xd0c fs/btrfs/block-group.c:4557
 close_ctree+0x644/0xb40 fs/btrfs/disk-io.c:4411
 btrfs_put_super+0x70/0x80 fs/btrfs/super.c:74
 generic_shutdown_super+0x12c/0x2b8 fs/super.c:643
 kill_anon_super+0x4c/0x7c fs/super.c:1280
 btrfs_kill_super+0x40/0x58 fs/btrfs/super.c:2095
 deactivate_locked_super+0xc4/0x12c fs/super.c:474
 deactivate_super+0xe0/0x100 fs/super.c:507
 cleanup_mnt+0x31c/0x3ac fs/namespace.c:1417
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1424
 task_work_run+0x1dc/0x260 kernel/task_work.c:227
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 do_notify_resume+0x16c/0x1ec arch/arm64/kernel/entry-common.c:151
 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:169 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:178 [inline]
 el0_svc+0xb4/0x17c arch/arm64/kernel/entry-common.c:768
 el0t_64_sync_handler+0x78/0x108 arch/arm64/kernel/entry-common.c:786
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
irq event stamp: 542912
hardirqs last  enabled at (542911): [<ffff800080c3ff04>] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:234
hardirqs last disabled at (542912): [<ffff80008aec67ac>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:511
softirqs last  enabled at (541208): [<ffff8000801fcf10>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (541206): [<ffff8000801fcedc>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---
XFS (loop0): Unmounting Filesystem c496e05e-540d-4c72-b591-04d79d8b4eeb