------------[ cut here ]------------
[    1.106521] WARNING: CPU: 3 PID: 45 at kernel/fork.c:606 free_task+0x70/0x80
[    1.106545] Modules linked in:
[    1.106553] CPU: 3 UID: 0 PID: 45 Comm: rcuc/3 Tainted: G      D W          6.12.0-next-20241128 #1
[    1.106571] Tainted: [D]=DIE, [W]=WARN
[    1.106576] Hardware name: Radxa ROCK Pi 4B (DT)
[    1.106581] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[    1.106595] pc : free_task+0x70/0x80
[    1.106611] lr : free_task+0x24/0x80
[    1.106628] sp : ffff8000828a3cd0
[    1.106633] x29: ffff8000828a3cd0 x28: ffff8000801329b4 x27: ffff800080132a00
[    1.106653] x26: ffff8000820a6240 x25: 000000000000000a x24: ffff0000f76927b8
[    1.106671] x23: 0000000000000000 x22: 0000000000000000 x21: ffff000000c30000
[    1.106688] x20: ffff000001bdc740 x19: ffff0000064dd500 x18: 0000000000000000
[    1.106707] x17: 000000040044ffff x16: 00500072b5503510 x15: ffff0000f7692180
[    1.106725] x14: 0000002faf2866b8 x13: 0000d0fe99d2f956 x12: 0000000000000141
[    1.106743] x11: 0000000000000000 x10: 0000000000000a50 x9 : ffff8000828a3d70
[    1.106761] x8 : ffff8000828a3c90 x7 : 0000000000000000 x6 : 0000000000000000
[    1.106779] x5 : 00000000801a0018 x4 : fffffdffc006f620 x3 : 00000000801a0018
[    1.106797] x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000001
[    1.106814] Call trace:
[    1.106818]  free_task+0x70/0x80 (P)
[    1.106838]  free_task+0x24/0x80 (L)
[    1.106858]  __put_task_struct+0xf4/0x14c
[    1.106878]  __put_task_struct_rcu_cb+0x14/0x20
[    1.106898]  rcu_core+0x25c/0x65c
[    1.106913]  rcu_cpu_kthread+0xbc/0x144
[    1.106928]  smpboot_thread_fn+0x204/0x228
[    1.106947]  kthread+0x110/0x114
[    1.106967]  ret_from_fork+0x10/0x20
[    1.106983] ---[ end trace 0000000000000000 ]---