1782 	dst_state->parent = src->parent;  in copy_verifier_state()
1997 		if (br == 0 && st->parent && st->loop_entry)  in update_branch_counts()
1998 			update_loop_entry(st->parent, st->loop_entry);  in update_branch_counts()
2008 		st = st->parent;  in update_branch_counts()
2068 	if (elem->st.parent) {  in push_stack()
2069 		++elem->st.parent->branches;  in push_stack()
2556 		regs[i].parent = NULL;  in init_reg_state()
3118 			 struct bpf_reg_state *parent, u8 flag)  in mark_reg_read()  argument
3120 	bool writes = parent == state->parent; /* Observe write marks */  in mark_reg_read()
3123 	while (parent) {  in mark_reg_read()
3127 		if (parent->live & REG_LIVE_DONE) {  in mark_reg_read()
3129 				reg_type_str(env, parent->type),  in mark_reg_read()
3130 				parent->var_off.value, parent->off);  in mark_reg_read()
3136 		if ((parent->live & REG_LIVE_READ) == flag ||  in mark_reg_read()
3137 		    parent->live & REG_LIVE_READ64)  in mark_reg_read()
3149 		parent->live |= flag;  in mark_reg_read()
3152 			parent->live &= ~REG_LIVE_READ32;  in mark_reg_read()
3153 		state = parent;  in mark_reg_read()
3154 		parent = state->parent;  in mark_reg_read()
3183 			    state->stack[spi].spilled_ptr.parent, REG_LIVE_READ64);  in mark_dynptr_read()
3187 			     state->stack[spi - 1].spilled_ptr.parent, REG_LIVE_READ64);  in mark_dynptr_read()
3199 		err = mark_reg_read(env, st, st->parent, REG_LIVE_READ64);  in mark_iter_read()
3375 		return mark_reg_read(env, reg, reg->parent,  in __check_reg_arg()
4040 	for (st = st->parent; st; st = st->parent) {  in mark_all_scalars_precise()
4405 		st = st->parent;  in __mark_chain_precision()
4551 	struct bpf_reg_state *parent = dst->parent;  in copy_register_state()  local
4555 	dst->parent = parent;  in copy_register_state()
4905 			mark_reg_read(env, reg, reg->parent, REG_LIVE_READ64);  in check_stack_read_fixed_off()
4953 		mark_reg_read(env, reg, reg->parent, REG_LIVE_READ64);  in check_stack_read_fixed_off()
4967 		mark_reg_read(env, reg, reg->parent, REG_LIVE_READ64);  in check_stack_read_fixed_off()
7215 			      state->stack[spi].spilled_ptr.parent,  in check_stack_range_initialized()
7978 		if (!cur_st->parent || cur_st->parent->insn_idx != insn_idx ||  in process_iter_next_call()
7979 		    !same_callsites(cur_st->parent, cur_st)) {  in process_iter_next_call()
7987 		prev_st = find_prev_entry(env, cur_st->parent, insn_idx);  in process_iter_next_call()
9667 		err = mark_reg_read(env, r0, r0->parent, REG_LIVE_READ64);  in prepare_func_exit()
10447 			mark_reg_read(env, reg, reg->parent, REG_LIVE_READ64);  in mark_btf_func_reg_size()
10449 			mark_reg_read(env, reg, reg->parent, REG_LIVE_READ32);  in mark_btf_func_reg_size()
16400 	struct bpf_func_state *state, *parent;  in propagate_liveness()  local
16411 		parent = vparent->frame[frame];  in propagate_liveness()
16413 		parent_reg = parent->regs;  in propagate_liveness()
16427 			    i < parent->allocated_stack / BPF_REG_SIZE; i++) {  in propagate_liveness()
16428 			parent_reg = &parent->stack[i].spilled_ptr;  in propagate_liveness()
16511 			   offsetof(struct bpf_reg_state, parent)))  in states_maybe_looping()
16900 	cur->parent = new;  in is_state_visited()
16921 			cur->frame[j]->regs[i].parent = &new->frame[j]->regs[i];  in is_state_visited()
16933 			frame->stack[i].spilled_ptr.parent =  in is_state_visited()