1696 static void mark_reg_unknown(struct bpf_verifier_env *env,  in mark_reg_unknown()  function
1736 		mark_reg_unknown(env, regs, regno);  in mark_btf_ld_reg()
2496 			mark_reg_unknown(env, regs, regno);  in check_reg_arg()
3281 		mark_reg_unknown(env, state->regs, dst_regno);  in mark_reg_stack_read()
3345 				mark_reg_unknown(env, state->regs, dst_regno);  in check_stack_read_fixed_off()
4752 			mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
4791 				mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
4818 			mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
4844 				mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
4894 			mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
4905 			mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
4914 			mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
4918 			mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
4945 			mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
6696 			mark_reg_unknown(env, caller->regs, BPF_REG_0);  in __check_func_call()
6724 		mark_reg_unknown(env, caller->regs, BPF_REG_0);  in __check_func_call()
7470 		mark_reg_unknown(env, regs, BPF_REG_0);  in check_helper_call()
7740 		mark_reg_unknown(env, regs, BPF_REG_0);  in check_kfunc_call()
7975 			mark_reg_unknown(env, regs, insn->dst_reg);  in sanitize_speculative_path()
7977 			mark_reg_unknown(env, regs, insn->dst_reg);  in sanitize_speculative_path()
7978 			mark_reg_unknown(env, regs, insn->src_reg);  in sanitize_speculative_path()
9112 			mark_reg_unknown(env, regs, insn->dst_reg);  in adjust_scalar_min_max_vals()
9125 			mark_reg_unknown(env, regs, insn->dst_reg);  in adjust_scalar_min_max_vals()
9138 			mark_reg_unknown(env, regs, insn->dst_reg);  in adjust_scalar_min_max_vals()
9147 		mark_reg_unknown(env, regs, insn->dst_reg);  in adjust_scalar_min_max_vals()
9189 					mark_reg_unknown(env, regs, insn->dst_reg);  in adjust_reg_min_max_vals()
9339 					mark_reg_unknown(env, regs,  in check_alu_op()
9350 			mark_reg_unknown(env, regs, insn->dst_reg);  in check_alu_op()
10513 	mark_reg_unknown(env, regs, BPF_REG_0);  in check_ld_abs()
14629 				mark_reg_unknown(env, regs, i);  in do_check_common()