1349 static void mark_reg_unknown(struct bpf_verifier_env *env,  in mark_reg_unknown()  function
1387 		mark_reg_unknown(env, regs, regno);  in mark_btf_ld_reg()
1757 			mark_reg_unknown(env, regs, regno);  in check_reg_arg()
2426 				mark_reg_unknown(env, state->regs, value_regno);  in check_stack_read()
2493 				mark_reg_unknown(env, state->regs, value_regno);  in check_stack_read()
3450 				mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
3462 			mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
3486 				mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
3535 			mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
3546 			mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
3555 			mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
3559 			mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
3576 			mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
3582 			mark_reg_unknown(env, regs, value_regno);  in check_mem_access()
4669 			mark_reg_unknown(env, regs, i);  in __clear_all_pkt_pointers()
4697 			mark_reg_unknown(env, regs, i);  in release_reg_references()
4788 			mark_reg_unknown(env, caller->regs, BPF_REG_0);  in check_func_call()
5113 		mark_reg_unknown(env, regs, BPF_REG_0);  in check_helper_call()
6391 			mark_reg_unknown(env, regs, insn->dst_reg);  in adjust_scalar_min_max_vals()
6404 			mark_reg_unknown(env, regs, insn->dst_reg);  in adjust_scalar_min_max_vals()
6417 			mark_reg_unknown(env, regs, insn->dst_reg);  in adjust_scalar_min_max_vals()
6426 		mark_reg_unknown(env, regs, insn->dst_reg);  in adjust_scalar_min_max_vals()
6471 					mark_reg_unknown(env, regs, insn->dst_reg);  in adjust_reg_min_max_vals()
6621 					mark_reg_unknown(env, regs,  in check_alu_op()
6631 			mark_reg_unknown(env, regs, insn->dst_reg);  in check_alu_op()
7775 	mark_reg_unknown(env, regs, BPF_REG_0);  in check_ld_abs()
11290 				mark_reg_unknown(env, regs, i);  in do_check_common()