------------[ cut here ]------------
[    1.106009] WARNING: CPU: 3 PID: 45 at kernel/fork.c:975 __put_task_struct+0x144/0x14c
[    1.106043] Modules linked in:
[    1.106057] CPU: 3 UID: 0 PID: 45 Comm: rcuc/3 Tainted: G      D            6.12.0-next-20241128 #1
[    1.106075] Tainted: [D]=DIE
[    1.106080] Hardware name: Radxa ROCK Pi 4B (DT)
[    1.106087] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[    1.106100] pc : __put_task_struct+0x144/0x14c
[    1.106119] lr : __put_task_struct_rcu_cb+0x14/0x20
[    1.106137] sp : ffff8000828a3cf0
[    1.106143] x29: ffff8000828a3cf0 x28: ffff8000801329b4 x27: ffff800080132a00
[    1.106163] x26: ffff8000820a6240 x25: 000000000000000a x24: ffff0000f76927b8
[    1.106181] x23: 0000000000000000 x22: 0000000000000000 x21: ffff000000c30000
[    1.106199] x20: ffff0000f7692740 x19: ffff0000064dd500 x18: 0000000000000000
[    1.106217] x17: 000000040044ffff x16: 00500072b5503510 x15: ffff0000f7692180
[    1.106236] x14: 0000002faf2866b8 x13: 0000d0fe99d2f956 x12: 0000000000000141
[    1.106254] x11: 0000000000000000 x10: 0000000000000a50 x9 : ffff8000828a3d70
[    1.106273] x8 : ffff000000c30ab0 x7 : ffff0000f7691980 x6 : 000000000000d0fe
[    1.106291] x5 : ffff000005baeca8 x4 : ffff0000f76927c0 x3 : ffff0000064dcdd8
[    1.106309] x2 : ffff800080097868 x1 : ffff0000064dded8 x0 : 0000000000000000
[    1.106327] Call trace:
[    1.106333]  __put_task_struct+0x144/0x14c (P)
[    1.106355]  __put_task_struct_rcu_cb+0x14/0x20 (L)
[    1.106376]  __put_task_struct_rcu_cb+0x14/0x20
[    1.106397]  rcu_core+0x25c/0x65c
[    1.106414]  rcu_cpu_kthread+0xbc/0x144
[    1.106429]  smpboot_thread_fn+0x204/0x228
[    1.106450]  kthread+0x110/0x114
[    1.106471]  ret_from_fork+0x10/0x20
[    1.106489] ---[ end trace 0000000000000000 ]---