assertion failed: list_empty(&fs_info->delalloc_roots), in fs/btrfs/disk-io.c:4491 ------------[ cut here ]------------ kernel BUG at fs/btrfs/ctree.h:3502! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 4032 Comm: syz-executor Not tainted 5.15.179-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : assertfail+0x28/0x2c fs/btrfs/ctree.h:3501 lr : assertfail+0x28/0x2c fs/btrfs/ctree.h:3501 sp : ffff80001fb677f0 x29: ffff80001fb677f0 x28: 1fffe0001ad0da5b x27: dfff800000000000 x26: ffff700003f6cf04 x25: 1fffe0001ad0d9f4 x24: 0000000000000000 x23: 1fffe0001ad0db3a x22: ffff0000d686cf98 x21: ffff0000d686cf18 x20: ffff0000d686c010 x19: ffff0000d686c000 x18: 0000000000000001 x17: 0000000000000000 x16: ffff800011b5ac80 x15: 00000000ffffffff x14: ffff0000cad88000 x13: 0000000000000001 x12: 0000000000000001 x11: 0000000000000000 x10: 0000000000000000 x9 : aa380d9bd3fc6300 x8 : aa380d9bd3fc6300 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80001fb66f58 x4 : ffff800014c4fe40 x3 : ffff80000aa1313c x2 : ffff0001b4194d10 x1 : 0000000100000000 x0 : 0000000000000052 Call trace: assertfail+0x28/0x2c fs/btrfs/ctree.h:3501 close_ctree+0x78c/0x898 fs/btrfs/disk-io.c:4491 btrfs_put_super+0x40/0x50 fs/btrfs/super.c:340 generic_shutdown_super+0x130/0x2f0 fs/super.c:475 kill_anon_super+0x4c/0x74 fs/super.c:1089 btrfs_kill_super+0x40/0x58 fs/btrfs/super.c:2391 deactivate_locked_super+0xb8/0x13c fs/super.c:335 deactivate_super+0x108/0x128 fs/super.c:366 cleanup_mnt+0x3c0/0x474 fs/namespace.c:1143 __cleanup_mnt+0x20/0x30 fs/namespace.c:1150 task_work_run+0x130/0x1e4 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] do_notify_resume+0x262c/0x32b8 arch/arm64/kernel/signal.c:946 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:133 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:138 [inline] el0_svc+0xfc/0x1f0 arch/arm64/kernel/entry-common.c:609 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 Code: 913b8000 900029c2 91178042 97fff928 (d4210000) ---[ end trace 5981688e9c1f470f ]---