assertion failed: list_empty(&fs_info->delayed_iputs), in fs/btrfs/disk-io.c:4450 ------------[ cut here ]------------ kernel BUG at fs/btrfs/ctree.h:3473! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 4000 Comm: syz-executor.3 Not tainted 5.15.148-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : assertfail+0x28/0x2c fs/btrfs/ctree.h:3472 lr : assertfail+0x28/0x2c fs/btrfs/ctree.h:3472 sp : ffff80001cdc77f0 x29: ffff80001cdc77f0 x28: 1fffe0001c64725b x27: dfff800000000000 x26: ffff7000039b8f04 x25: 1fffe0001c6471f4 x24: 0000000000000000 x23: 1fffe0001c64733a x22: ffff0000e3238f98 x21: ffff0000e3238d28 x20: ffff0000e3238010 x19: ffff0000e3238000 x18: 0000000000000001 x17: 0000000000000000 x16: ffff80001198323c x15: 00000000ffffffff x14: ffff0000c7e28000 x13: 0000000000000001 x12: 0000000000000001 x11: 0000000000000000 x10: 0000000000000000 x9 : 290220f9200dd100 x8 : 290220f9200dd100 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff80001cdc6f58 x4 : ffff8000149ff8e0 x3 : ffff80000a95c8e0 x2 : ffff0001b47f3d10 x1 : 0000000100000000 x0 : 0000000000000051 Call trace: assertfail+0x28/0x2c fs/btrfs/ctree.h:3472 close_ctree+0x73c/0x860 fs/btrfs/disk-io.c:4450 btrfs_put_super+0x40/0x50 fs/btrfs/super.c:340 generic_shutdown_super+0x130/0x29c fs/super.c:475 kill_anon_super+0x4c/0x74 fs/super.c:1076 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:164 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: 91118000 f0002942 912d8042 97fff928 (d4210000) ---[ end trace b445374c711cf30b ]---