623 static void scrub_spilled_slot(u8 *stype)  in scrub_spilled_slot()  argument
625 	if (*stype != STACK_INVALID)  in scrub_spilled_slot()
626 		*stype = STACK_MISC;  in scrub_spilled_slot()
2998 		u8 new_type, *stype;  in check_stack_write_var_off()  local
3003 		stype = &state->stack[spi].slot_type[slot % BPF_REG_SIZE];  in check_stack_write_var_off()
3005 		if (!env->allow_ptr_leaks && *stype != STACK_MISC && *stype != STACK_ZERO) {  in check_stack_write_var_off()
3027 		if (writing_zero && *stype == STACK_ZERO) {  in check_stack_write_var_off()
3039 		if (*stype == STACK_INVALID && !env->allow_uninit_stack) {  in check_stack_write_var_off()
3044 		*stype = new_type;  in check_stack_write_var_off()
3071 	u8 *stype;  in mark_reg_stack_read()  local
3077 		stype = ptr_state->stack[spi].slot_type;  in mark_reg_stack_read()
3078 		if (stype[slot % BPF_REG_SIZE] != STACK_ZERO)  in mark_reg_stack_read()
3123 	u8 *stype, type;  in check_stack_read_fixed_off()  local
3125 	stype = reg_state->stack[spi].slot_type;  in check_stack_read_fixed_off()
3131 		for (i = BPF_REG_SIZE - 1; i > 0 && stype[i - 1] == STACK_SPILL; i--)  in check_stack_read_fixed_off()
3155 					type = stype[(slot - i) % BPF_REG_SIZE];  in check_stack_read_fixed_off()
3192 			type = stype[(slot - i) % BPF_REG_SIZE];  in check_stack_read_fixed_off()
4761 		u8 *stype;  in check_stack_range_initialized()  local
4767 		stype = &state->stack[spi].slot_type[slot % BPF_REG_SIZE];  in check_stack_range_initialized()
4768 		if (*stype == STACK_MISC)  in check_stack_range_initialized()
4770 		if (*stype == STACK_ZERO) {  in check_stack_range_initialized()
4773 				*stype = STACK_MISC;  in check_stack_range_initialized()