BTRFS info (device loop1): last unmount of filesystem e4c4efed-045a-4eaa-bc1b-2da6ee2509f2
assertion failed: list_empty(&fs_info->delayed_iputs), in fs/btrfs/disk-io.c:4338
------------[ cut here ]------------
kernel BUG at fs/btrfs/disk-io.c:4338!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 6245 Comm: syz-executor569 Tainted: G    B              6.8.0-rc5-syzkaller-g9abbc24128bc #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : close_ctree+0x7c0/0xdec fs/btrfs/disk-io.c:4338
lr : close_ctree+0x7c0/0xdec fs/btrfs/disk-io.c:4338
sp : ffff8000978b79c0
x29: ffff8000978b7b20 x28: dfff800000000000 x27: 1fffe0001d496a5c
x26: ffff700012f16f44 x25: 1fffe0001d4969f4 x24: ffff8000978b7a20
x23: 0000000000000000 x22: ffff0000ea4b4f98 x21: ffff0000ea4b4d38
x20: ffff0000ea4b4010 x19: ffff0000ea4b4000 x18: 1fffe00036800396
x17: 7274622f7366206e x16: ffff80008ad5bbdc x15: 0000000000000001
x14: 1ffff00012f16e90 x13: 0000000000000000 x12: 0000000000000000
x11: 0000000000000001 x10: 0000000000ff0100 x9 : b52965f36c6e9b00
x8 : b52965f36c6e9b00 x7 : fffffffffffdcb58 x6 : fffffffffffdcb00
x5 : ffff8000978b72d8 x4 : ffff80008ed4ba80 x3 : ffff800082f22fb0
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000051
Call trace:
 close_ctree+0x7c0/0xdec fs/btrfs/disk-io.c:4338
 btrfs_put_super+0x70/0x80 fs/btrfs/super.c:75
 generic_shutdown_super+0x128/0x2b8 fs/super.c:646
 kill_anon_super+0x4c/0x7c fs/super.c:1230
 btrfs_kill_super+0x40/0x58 fs/btrfs/super.c:2093
 deactivate_locked_super+0xc4/0x144 fs/super.c:477
 deactivate_super+0xe0/0x100 fs/super.c:510
 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: 90002d02 910f0042 52821e43 97ffeb00 (d4210000) 
---[ end trace 0000000000000000 ]---