BTRFS info (device loop0): last unmount of filesystem c9fe44da-de57-406a-8241-57ec7d4412cf
assertion failed: list_empty(&fs_info->delayed_iputs), in fs/btrfs/disk-io.c:4718
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kernel BUG at fs/btrfs/ctree.h:3717!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 4566 Comm: syz.0.27 Not tainted 6.1.114-syzkaller #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 : assertfail+0x28/0x2c fs/btrfs/ctree.h:3716
lr : assertfail+0x28/0x2c fs/btrfs/ctree.h:3716
sp : ffff800022f373f0
x29: ffff800022f373f0 x28: 1fffe0001e0bea62 x27: dfff800000000000
x26: ffff7000045e6e8c x25: 1fffe0001e0be9fa x24: ffff800022f37460
x23: 0000000000000000 x22: ffff0000f05f4fc8 x21: ffff0000f05f4d58
x20: ffff0000f05f4010 x19: ffff0000f05f4000 x18: 1fffe0003679f176
x17: ffff8000159cd000 x16: ffff800012290d3c x15: ffff0001b3cf8bbc
x14: 1ffff00002b3a0b0 x13: dfff800000000000 x12: 0000000000000001
x11: 0000000000ff0100 x10: 0000000000000000 x9 : 6104a1e14179e500
x8 : 6104a1e14179e500 x7 : ffff80000827d390 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff80000aaa90ac
x2 : ffff0001b3cf8cd0 x1 : 0000000100000000 x0 : 0000000000000051
Call trace:
 assertfail+0x28/0x2c fs/btrfs/ctree.h:3716
 close_ctree+0x708/0xaf4 fs/btrfs/disk-io.c:4718
 btrfs_put_super+0x70/0x80 fs/btrfs/super.c:397
 generic_shutdown_super+0x130/0x328 fs/super.c:501
 kill_anon_super+0x4c/0x74 fs/super.c:1128
 btrfs_kill_super+0x40/0x58 fs/btrfs/super.c:2449
 deactivate_locked_super+0xac/0x124 fs/super.c:332
 deactivate_super+0xf0/0x110 fs/super.c:363
 cleanup_mnt+0x394/0x41c fs/namespace.c:1186
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1193
 task_work_run+0x240/0x2f0 kernel/task_work.c:203
 exit_task_work include/linux/task_work.h:39 [inline]
 do_exit+0x554/0x1a88 kernel/exit.c:871
 do_group_exit+0x194/0x22c kernel/exit.c:1021
 get_signal+0x14a0/0x158c kernel/signal.c:2870
 do_signal arch/arm64/kernel/signal.c:1076 [inline]
 do_notify_resume+0x314/0x3474 arch/arm64/kernel/signal.c:1129
 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline]
 exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline]
 el0_da+0xb8/0x184 arch/arm64/kernel/entry-common.c:516
 el0t_64_sync_handler+0xcc/0xf0 arch/arm64/kernel/entry-common.c:658
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
Code: 91210000 f0002b22 912d0042 97fff925 (d4210000) 
---[ end trace 0000000000000000 ]---