2888 static void mark_reg_unknown(struct bpf_verifier_env *env,  in mark_reg_unknown()  function
2948 		mark_reg_unknown(env, regs, regno);  in mark_btf_ld_reg()
3968 			mark_reg_unknown(env, regs, regno);  in __check_reg_arg()
5538 		mark_reg_unknown(env, state->regs, dst_regno);  in mark_reg_stack_read()
5641 					mark_reg_unknown(env, state->regs, dst_regno);  in check_stack_read_fixed_off()
7733 			mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
7783 				mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
7816 			mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
7850 					mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
7897 			mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
7908 			mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
7917 			mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
7921 			mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
7949 			mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
7952 			mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
10937 		mark_reg_unknown(env, caller->regs, BPF_REG_0);  in check_func_call()
11962 		mark_reg_unknown(env, regs, BPF_REG_0);  in check_helper_call()
12161 			mark_reg_unknown(env, regs, BPF_REG_0);  in check_helper_call()
14157 		mark_reg_unknown(env, regs, BPF_REG_0);  in check_kfunc_call()
14364 		mark_reg_unknown(env, regs, BPF_REG_0);  in check_kfunc_call()
14377 			mark_reg_unknown(env, regs, BPF_REG_0);  in check_kfunc_call()
14636 			mark_reg_unknown(env, regs, insn->dst_reg);  in sanitize_speculative_path()
14638 			mark_reg_unknown(env, regs, insn->dst_reg);  in sanitize_speculative_path()
14639 			mark_reg_unknown(env, regs, insn->src_reg);  in sanitize_speculative_path()
16241 					mark_reg_unknown(env, regs, insn->dst_reg);  in adjust_reg_min_max_vals()
16458 					mark_reg_unknown(env, regs, insn->dst_reg);  in check_alu_op()
16490 						mark_reg_unknown(env, regs, insn->dst_reg);  in check_alu_op()
16527 					mark_reg_unknown(env, regs,  in check_alu_op()
16538 			mark_reg_unknown(env, regs, insn->dst_reg);  in check_alu_op()
17930 	mark_reg_unknown(env, regs, BPF_REG_0);  in check_ld_abs()
24637 				mark_reg_unknown(env, regs, i);  in do_check_common()
24663 				mark_reg_unknown(env, regs, i);  in do_check_common()