BTRFS info (device loop0): last unmount of filesystem ed167579-eb65-4e76-9a50-61ac97e9b59d assertion failed: list_empty(&fs_info->delayed_iputs), in fs/btrfs/disk-io.c:4335 ------------[ cut here ]------------ kernel BUG at fs/btrfs/disk-io.c:4335! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 6284 Comm: syz-executor357 Not tainted 6.10.0-rc7-syzkaller-gc912bf709078 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : close_ctree+0x7d0/0xb20 fs/btrfs/disk-io.c:4335 lr : close_ctree+0x7d0/0xb20 fs/btrfs/disk-io.c:4335 sp : ffff8000a15479c0 x29: ffff8000a1547b20 x28: 1fffe0001a27226a x27: dfff800000000000 x26: ffff7000142a8f44 x25: ffff0000d1390000 x24: 1fffe0001a2721f4 x23: 0000000000000000 x22: ffff0000d1390f98 x21: ffff0000d1390d38 x20: ffff0000d1390010 x19: 0000000022810000 x18: 0000000000000008 x17: 7274622f7366206e x16: ffff800082f8f174 x15: 0000000000000001 x14: 1fffe000367aca4a x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000001 x10: 0000000000ff0100 x9 : e571ee5686fc7100 x8 : e571ee5686fc7100 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff8000a1547138 x4 : ffff80008f1e5220 x3 : ffff8000805e111c x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000051 Call trace: close_ctree+0x7d0/0xb20 fs/btrfs/disk-io.c:4335 btrfs_put_super+0x70/0x80 fs/btrfs/super.c:73 generic_shutdown_super+0x128/0x2b8 fs/super.c:642 kill_anon_super+0x4c/0x7c fs/super.c:1226 btrfs_kill_super+0x40/0x58 fs/btrfs/super.c:2096 deactivate_locked_super+0xc4/0x12c fs/super.c:473 deactivate_super+0xe0/0x100 fs/super.c:506 cleanup_mnt+0x34c/0x3dc fs/namespace.c:1267 __cleanup_mnt+0x20/0x30 fs/namespace.c:1274 task_work_run+0x230/0x2e0 kernel/task_work.c:180 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x178/0x1f4 arch/arm64/kernel/entry-common.c:151 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:169 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:178 [inline] el0_svc+0xac/0x168 arch/arm64/kernel/entry-common.c:713 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598 Code: b0002d22 910e0042 52821de3 97ffeb87 (d4210000) ---[ end trace 0000000000000000 ]---