BTRFS info (device loop0): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4323 at fs/btrfs/space-info.h:122 btrfs_space_info_update_bytes_may_use+0x2f0/0x77c fs/btrfs/space-info.h:-1 Modules linked in: CPU: 1 PID: 4323 Comm: syz-executor Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : btrfs_space_info_update_bytes_may_use+0x2f0/0x77c fs/btrfs/space-info.h:-1 lr : btrfs_space_info_update_bytes_may_use+0x2ec/0x77c fs/btrfs/space-info.h:122 sp : ffff800020be7650 x29: ffff800020be7660 x28: dfff800000000000 x27: 1fffe0001a351b0c x26: dfff800000000000 x25: ffff8000150bd360 x24: 0000000000000002 x23: 0000000000000005 x22: 000000000015f000 x21: 0000000000160000 x20: ffff0000d1a8d860 x19: 0000000000000000 x18: ffff800011abbcc0 x17: ffff8000181f9000 x16: ffff8000082d10fc x15: ffff800017cda000 x14: ffff0000df464218 x13: ffff0000df464240 x12: 0000000000ff0100 x11: ff0080000a11a180 x10: 0000000000000000 x9 : ffff80000a11a180 x8 : ffff0000df463780 x7 : 0000000000000000 x6 : 0000000000000000 x5 : ffff8000183f8078 x4 : 0000000000000008 x3 : ffff8000082e7a34 x2 : ffffffffffea0000 x1 : 0000000000160000 x0 : 000000000015f000 Call trace: btrfs_space_info_update_bytes_may_use+0x2f0/0x77c fs/btrfs/space-info.h:-1 btrfs_space_info_free_bytes_may_use fs/btrfs/space-info.h:155 [inline] block_rsv_release_bytes fs/btrfs/block-rsv.c:152 [inline] btrfs_block_rsv_release+0x384/0x450 fs/btrfs/block-rsv.c:296 btrfs_release_global_block_rsv+0x38/0x22c fs/btrfs/block-rsv.c:471 btrfs_free_block_groups+0x918/0xc88 fs/btrfs/block-group.c:4231 close_ctree+0x5dc/0xa80 fs/btrfs/disk-io.c:4802 btrfs_put_super+0x70/0x80 fs/btrfs/super.c:397 generic_shutdown_super+0x130/0x324 fs/super.c:501 kill_anon_super+0x4c/0x80 fs/super.c:1128 btrfs_kill_super+0x40/0x58 fs/btrfs/super.c:2448 deactivate_locked_super+0xac/0x124 fs/super.c:332 deactivate_super+0xe8/0x108 fs/super.c:363 cleanup_mnt+0x37c/0x404 fs/namespace.c:1191 __cleanup_mnt+0x20/0x30 fs/namespace.c:1198 task_work_run+0x1ec/0x270 kernel/task_work.c:203 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] do_notify_resume+0x2038/0x2b28 arch/arm64/kernel/signal.c:1137 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline] el0_svc+0x98/0x138 arch/arm64/kernel/entry-common.c:638 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 irq event stamp: 159092 hardirqs last enabled at (159091): [] kasan_quarantine_put+0xc4/0x204 mm/kasan/quarantine.c:242 hardirqs last disabled at (159092): [] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405 softirqs last enabled at (157774): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (157772): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]---