2280 static void mark_reg_unknown(struct bpf_verifier_env *env,  in mark_reg_unknown()  function
2320 		mark_reg_unknown(env, regs, regno);  in mark_btf_ld_reg()
3163 			mark_reg_unknown(env, regs, regno);  in check_reg_arg()
4580 		mark_reg_unknown(env, state->regs, dst_regno);  in mark_reg_stack_read()
4648 				mark_reg_unknown(env, state->regs, dst_regno);  in check_stack_read_fixed_off()
6469 			mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
6507 				mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
6534 			mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
6560 				mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
6610 			mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
6621 			mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
6630 			mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
6634 			mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
6661 			mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
8890 			mark_reg_unknown(env, caller->regs, BPF_REG_0);  in __check_func_call()
8936 		mark_reg_unknown(env, caller->regs, BPF_REG_0);  in __check_func_call()
9796 		mark_reg_unknown(env, regs, BPF_REG_0);  in check_helper_call()
11421 		mark_reg_unknown(env, regs, BPF_REG_0);  in check_kfunc_call()
11798 			mark_reg_unknown(env, regs, insn->dst_reg);  in sanitize_speculative_path()
11800 			mark_reg_unknown(env, regs, insn->dst_reg);  in sanitize_speculative_path()
11801 			mark_reg_unknown(env, regs, insn->src_reg);  in sanitize_speculative_path()
12935 			mark_reg_unknown(env, regs, insn->dst_reg);  in adjust_scalar_min_max_vals()
12948 			mark_reg_unknown(env, regs, insn->dst_reg);  in adjust_scalar_min_max_vals()
12961 			mark_reg_unknown(env, regs, insn->dst_reg);  in adjust_scalar_min_max_vals()
12970 		mark_reg_unknown(env, regs, insn->dst_reg);  in adjust_scalar_min_max_vals()
13012 					mark_reg_unknown(env, regs, insn->dst_reg);  in adjust_reg_min_max_vals()
13187 						mark_reg_unknown(env, regs, insn->dst_reg);  in check_alu_op()
13226 					mark_reg_unknown(env, regs,  in check_alu_op()
13237 			mark_reg_unknown(env, regs, insn->dst_reg);  in check_alu_op()
14471 	mark_reg_unknown(env, regs, BPF_REG_0);  in check_ld_abs()
19056 				mark_reg_unknown(env, regs, i);  in do_check_common()