BTRFS info (device loop4): last unmount of filesystem c6b85f58-0c7e-41ca-a553-c8d9f94f6663
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: 6422 Comm: syz-executor Not tainted 6.12.0-syzkaller-g7b1d1d4cfac0 #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 : ffff8000a3be79c0
x29: ffff8000a3be7b20 x28: 1fffe0001a9a5272 x27: dfff800000000000
x26: ffff70001477cf44 x25: ffff8000a3be7a20 x24: 1fffe0001a9a51f4
x23: 0000000000000000 x22: ffff0000d4d28f98 x21: ffff0000d4d28d38
x20: ffff0000d4d28010 x19: ffff0000d4d28000 x18: 1fffe000366c6876
x17: ffff80008f81d000 x16: ffff8000830d1d70 x15: 0000000000000001
x14: 1ffff0001477ce84 x13: 0000000000000000 x12: 0000000000000000
x11: 0000000000000001 x10: 0000000000ff0100 x9 : 0fbc9dfffdbe2d00
x8 : 0fbc9dfffdbe2d00 x7 : ffff8000802c419c x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff80008306dd30
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: b0002da2 91100042 52821d83 97ffeb77 (d4210000) 
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