could not load bpf program: Invalid argument

[RuiTong Liu]

Hello，When I try to use the loader tool to reproduce a POC, the program will report an error

./loader /tmp/ebpf-poc-4228367596.json
Verifier log: 
func#0 @0
fd 0 is not pointing to valid bpf_map
processed 0 insns (limit 1000000) max_states_per_insn 0 total_states 0 peak_states 0 mark_read 0
could not load bpf program: Invalid argument

this is the json file
ebpf-poc-4228367596.json