assertion failed: list_empty(&fs_info->delayed_iputs), in fs/btrfs/disk-io.c:4367 ------------[ cut here ]------------ kernel BUG at fs/btrfs/disk-io.c:4367! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 6173 Comm: syz-executor.3 Not tainted 6.6.0-rc7-syzkaller-g8de1e7afcc1c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : close_ctree+0x7c0/0xdec fs/btrfs/disk-io.c:4367 lr : close_ctree+0x7c0/0xdec fs/btrfs/disk-io.c:4367 sp : ffff800096ef76a0 x29: ffff800096ef7800 x28: dfff800000000000 x27: 1fffe0001c884a5e x26: ffff700012ddeee0 x25: 1fffe0001c8849f6 x24: ffff800096ef7700 x23: 0000000000000000 x22: ffff0000e4424fa8 x21: ffff0000e4424d48 x20: ffff0000e4424010 x19: ffff0000e4424000 x18: 1fffe0003682efce x17: ffff80008e33d000 x16: ffff80008a71b23c x15: 0000000000000001 x14: 1ffff00012ddee2c x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000000 x10: 0000000000000000 x9 : da4d45706fe97f00 x8 : da4d45706fe97f00 x7 : ffff80008028e628 x6 : 0000000000000000 x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff800082b180c4 x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000051 Call trace: close_ctree+0x7c0/0xdec fs/btrfs/disk-io.c:4367 btrfs_put_super+0x40/0x50 fs/btrfs/super.c:82 generic_shutdown_super+0x130/0x2b8 fs/super.c:693 kill_anon_super+0x4c/0x7c fs/super.c:1292 btrfs_kill_super+0x40/0x58 fs/btrfs/super.c:2144 deactivate_locked_super+0xac/0x12c fs/super.c:481 deactivate_super+0xe0/0x100 fs/super.c:514 cleanup_mnt+0x34c/0x3dc fs/namespace.c:1254 __cleanup_mnt+0x20/0x30 fs/namespace.c:1261 task_work_run+0x230/0x2e0 kernel/task_work.c:180 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] do_notify_resume+0x214c/0x393c 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+0x9c/0x158 arch/arm64/kernel/entry-common.c:679 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595 Code: f0002bc2 91030042 528221e3 97ffeae7 (d4210000) ---[ end trace 0000000000000000 ]---