1455 static void mark_reg_unknown(struct bpf_verifier_env *env,  in mark_reg_unknown()  function
1494 		mark_reg_unknown(env, regs, regno);  in mark_btf_ld_reg()
2112 			mark_reg_unknown(env, regs, regno);  in check_reg_arg()
2898 		mark_reg_unknown(env, state->regs, dst_regno);  in mark_reg_stack_read()
2934 				mark_reg_unknown(env, state->regs, dst_regno);  in check_stack_read_fixed_off()
4149 			mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
4178 				mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
4190 			mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
4215 				mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
4266 			mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
4277 			mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
4286 			mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
4290 			mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
4307 			mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
4313 			mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
5601 			mark_reg_unknown(env, regs, i);  in __clear_all_pkt_pointers()
5655 			mark_reg_unknown(env, regs, i);  in release_reg_references()
5744 			mark_reg_unknown(env, caller->regs, BPF_REG_0);  in __check_func_call()
5771 		mark_reg_unknown(env, caller->regs, BPF_REG_0);  in __check_func_call()
6308 		mark_reg_unknown(env, regs, BPF_REG_0);  in check_helper_call()
6514 		mark_reg_unknown(env, regs, BPF_REG_0);  in check_kfunc_call()
6725 			mark_reg_unknown(env, regs, insn->dst_reg);  in sanitize_speculative_path()
6727 			mark_reg_unknown(env, regs, insn->dst_reg);  in sanitize_speculative_path()
6728 			mark_reg_unknown(env, regs, insn->src_reg);  in sanitize_speculative_path()
7867 			mark_reg_unknown(env, regs, insn->dst_reg);  in adjust_scalar_min_max_vals()
7880 			mark_reg_unknown(env, regs, insn->dst_reg);  in adjust_scalar_min_max_vals()
7893 			mark_reg_unknown(env, regs, insn->dst_reg);  in adjust_scalar_min_max_vals()
7902 		mark_reg_unknown(env, regs, insn->dst_reg);  in adjust_scalar_min_max_vals()
7947 					mark_reg_unknown(env, regs, insn->dst_reg);  in adjust_reg_min_max_vals()
8097 					mark_reg_unknown(env, regs,  in check_alu_op()
8107 			mark_reg_unknown(env, regs, insn->dst_reg);  in check_alu_op()
9319 	mark_reg_unknown(env, regs, BPF_REG_0);  in check_ld_abs()
13127 				mark_reg_unknown(env, regs, i);  in do_check_common()