assertion failed: list_empty(&fs_info->delayed_iputs), in fs/btrfs/disk-io.c:4599 ------------[ cut here ]------------ kernel BUG at fs/btrfs/messages.c:259! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 6009 Comm: syz-executor.5 Not tainted 6.4.0-rc4-syzkaller-g908f31f2a05b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : btrfs_assertfail+0x24/0x28 fs/btrfs/messages.c:258 lr : btrfs_assertfail+0x24/0x28 fs/btrfs/messages.c:258 sp : ffff800096f57670 x29: ffff800096f57670 x28: dfff800000000000 x27: 1fffe0001ced325f x26: ffff700012deaedc x25: 1fffe0001ced31f7 x24: ffff800096f576e0 x23: 0000000000000000 x22: ffff0000e7698fb0 x21: ffff0000e7698d48 x20: ffff0000e7698010 x19: ffff0000e7698000 x18: 1fffe00036848bc6 x17: 7274622f7366206e x16: ffff80008a4342bc x15: 0000000000000001 x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000001 x11: 0000000000000000 x10: 0000000000000000 x9 : 45cdd74bd9322200 x8 : 45cdd74bd9322200 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800096f56f78 x4 : ffff80008df9ed80 x3 : ffff800082a931c4 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000051 Call trace: btrfs_assertfail+0x24/0x28 fs/btrfs/messages.c:258 close_ctree+0x6f4/0xdbc fs/btrfs/disk-io.c:4599 btrfs_put_super+0x40/0x50 fs/btrfs/super.c:82 generic_shutdown_super+0x130/0x328 fs/super.c:500 kill_anon_super+0x4c/0x74 fs/super.c:1107 btrfs_kill_super+0x40/0x58 fs/btrfs/super.c:2138 deactivate_locked_super+0xac/0x124 fs/super.c:331 deactivate_super+0xe0/0x100 fs/super.c:362 cleanup_mnt+0x34c/0x3dc fs/namespace.c:1177 __cleanup_mnt+0x20/0x30 fs/namespace.c:1184 task_work_run+0x230/0x2e0 kernel/task_work.c:179 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] do_notify_resume+0x2180/0x3c90 arch/arm64/kernel/signal.c:1305 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:137 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:144 [inline] el0_svc+0x94/0x160 arch/arm64/kernel/entry-common.c:648 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:665 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591 Code: aa0003e1 f0002ca0 910a8000 97ffde01 (d4210000) ---[ end trace 0000000000000000 ]---