BTRFS info (device loop6): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
assertion failed: list_empty(&fs_info->delayed_iputs), in fs/btrfs/disk-io.c:4332
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kernel BUG at fs/btrfs/disk-io.c:4332!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 UID: 0 PID: 8042 Comm: syz-executor Not tainted 6.12.0-rc7-syzkaller-g887407160d72 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : close_ctree+0x7e8/0xb3c fs/btrfs/disk-io.c:4332
lr : close_ctree+0x7e8/0xb3c fs/btrfs/disk-io.c:4332
sp : ffff80009cb779c0
x29: ffff80009cb77b20 x28: 1fffe00021b07272 x27: dfff800000000000
x26: ffff70001396ef44 x25: ffff80009cb77a20 x24: 1fffe00021b071f4
x23: 0000000000000000 x22: ffff00010d838f98 x21: ffff00010d838d38
x20: ffff00010d838010 x19: ffff00010d838000 x18: 0000000000000008
x17: 7274622f7366206e x16: ffff8000830ce3b0 x15: 0000000000000001
x14: 1ffff0001396ee84 x13: 0000000000000000 x12: 0000000000000000
x11: 0000000000000001 x10: 0000000000ff0100 x9 : 0718479b0858ec00
x8 : 0718479b0858ec00 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff80009cb77118 x4 : ffff80008f8fd220 x3 : ffff80008306a370
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000051
Call trace:
 close_ctree+0x7e8/0xb3c fs/btrfs/disk-io.c:4332 (P)
 close_ctree+0x7e8/0xb3c fs/btrfs/disk-io.c:4332 (L)
 btrfs_put_super+0x70/0x80 fs/btrfs/super.c:75
 generic_shutdown_super+0x12c/0x2bc fs/super.c:642
 kill_anon_super+0x4c/0x7c fs/super.c:1237
 btrfs_kill_super+0x40/0x58 fs/btrfs/super.c:2114
 deactivate_locked_super+0xc4/0x12c fs/super.c:473
 deactivate_super+0xe0/0x100 fs/super.c:506
 cleanup_mnt+0x34c/0x3dc fs/namespace.c:1373
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1380
 task_work_run+0x230/0x2e0 kernel/task_work.c:239
 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:745
 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
Code: b0002d42 910e0042 52821d83 97ffeb77 (d4210000) 
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