2676 static void mark_reg_unknown(struct bpf_verifier_env *env,  in mark_reg_unknown()  function
2735 		mark_reg_unknown(env, regs, regno);  in mark_btf_ld_reg()
3731 			mark_reg_unknown(env, regs, regno);  in __check_reg_arg()
5285 		mark_reg_unknown(env, state->regs, dst_regno);  in mark_reg_stack_read()
5380 					mark_reg_unknown(env, state->regs, dst_regno);  in check_stack_read_fixed_off()
7441 			mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
7479 				mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
7506 			mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
7540 					mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
7587 			mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
7598 			mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
7607 			mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
7611 			mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
7638 			mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
7641 			mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
10567 		mark_reg_unknown(env, caller->regs, BPF_REG_0);  in check_func_call()
11562 		mark_reg_unknown(env, regs, BPF_REG_0);  in check_helper_call()
13472 		mark_reg_unknown(env, regs, BPF_REG_0);  in check_kfunc_call()
13650 		mark_reg_unknown(env, regs, BPF_REG_0);  in check_kfunc_call()
13818 			mark_reg_unknown(env, regs, BPF_REG_0);  in check_kfunc_call()
14053 			mark_reg_unknown(env, regs, insn->dst_reg);  in sanitize_speculative_path()
14055 			mark_reg_unknown(env, regs, insn->dst_reg);  in sanitize_speculative_path()
14056 			mark_reg_unknown(env, regs, insn->src_reg);  in sanitize_speculative_path()
15217 					mark_reg_unknown(env, regs, insn->dst_reg);  in adjust_reg_min_max_vals()
15401 					mark_reg_unknown(env, regs, insn->dst_reg);  in check_alu_op()
15435 						mark_reg_unknown(env, regs, insn->dst_reg);  in check_alu_op()
15474 					mark_reg_unknown(env, regs,  in check_alu_op()
15485 			mark_reg_unknown(env, regs, insn->dst_reg);  in check_alu_op()
16797 	mark_reg_unknown(env, regs, BPF_REG_0);  in check_ld_abs()
22720 				mark_reg_unknown(env, regs, i);  in do_check_common()
22745 				mark_reg_unknown(env, regs, i);  in do_check_common()