289 	struct btf_field *kptr_field;  member
5722 			       struct btf_field *kptr_field,  in map_kptr_match_type()  argument
5725 	const char *targ_name = btf_type_name(kptr_field->kptr.btf, kptr_field->kptr.btf_id);  in map_kptr_match_type()
5733 		if (kptr_field->type == BPF_KPTR_UNREF)  in map_kptr_match_type()
5737 		if (kptr_field->type == BPF_KPTR_PERCPU)  in map_kptr_match_type()
5781 				  kptr_field->kptr.btf, kptr_field->kptr.btf_id,  in map_kptr_match_type()
5782 				  kptr_field->type != BPF_KPTR_UNREF))  in map_kptr_match_type()
5789 	if (kptr_field->type == BPF_KPTR_UNREF)  in map_kptr_match_type()
5837 static struct btf_record *kptr_pointee_btf_record(struct btf_field *kptr_field)  in kptr_pointee_btf_record()  argument
5841 	if (btf_is_kernel(kptr_field->kptr.btf))  in kptr_pointee_btf_record()
5844 	meta = btf_find_struct_meta(kptr_field->kptr.btf,  in kptr_pointee_btf_record()
5845 				    kptr_field->kptr.btf_id);  in kptr_pointee_btf_record()
5858 static u32 btf_ld_kptr_type(struct bpf_verifier_env *env, struct btf_field *kptr_field)  in btf_ld_kptr_type()  argument
5864 	if (rcu_safe_kptr(kptr_field) && in_rcu_cs(env)) {  in btf_ld_kptr_type()
5866 		if (kptr_field->type == BPF_KPTR_PERCPU)  in btf_ld_kptr_type()
5868 		else if (!btf_is_kernel(kptr_field->kptr.btf))  in btf_ld_kptr_type()
5871 		rec = kptr_pointee_btf_record(kptr_field);  in btf_ld_kptr_type()
5899 				 struct btf_field *kptr_field)  in check_map_kptr_access()  argument
5921 	    (kptr_field->type == BPF_KPTR_REF || kptr_field->type == BPF_KPTR_PERCPU)) {  in check_map_kptr_access()
5925 	if (class != BPF_LDX && kptr_field->type == BPF_UPTR) {  in check_map_kptr_access()
5931 		if (kptr_field->type == BPF_UPTR)  in check_map_kptr_access()
5932 			return mark_uptr_ld_reg(env, value_regno, kptr_field);  in check_map_kptr_access()
5937 		mark_btf_ld_reg(env, cur_regs(env), value_regno, PTR_TO_BTF_ID, kptr_field->kptr.btf,  in check_map_kptr_access()
5938 				kptr_field->kptr.btf_id, btf_ld_kptr_type(env, kptr_field));  in check_map_kptr_access()
5942 		    map_kptr_match_type(env, kptr_field, val_reg, value_regno))  in check_map_kptr_access()
5947 				kptr_field->offset);  in check_map_kptr_access()
7443 		struct btf_field *kptr_field = NULL;  in check_mem_access()  local
7457 			kptr_field = btf_record_find(reg->map_ptr->record,  in check_mem_access()
7459 		if (kptr_field) {  in check_mem_access()
7460 			err = check_map_kptr_access(env, regno, value_regno, insn_idx, kptr_field);  in check_mem_access()
8445 	struct btf_field *kptr_field;  in process_kptr_func()  local
8476 	kptr_field = btf_record_find(rec, kptr_off, BPF_KPTR);  in process_kptr_func()
8477 	if (!kptr_field) {  in process_kptr_func()
8481 	if (kptr_field->type != BPF_KPTR_REF && kptr_field->type != BPF_KPTR_PERCPU) {  in process_kptr_func()
8485 	meta->kptr_field = kptr_field;  in process_kptr_func()
9203 			if (map_kptr_match_type(env, meta->kptr_field, reg, regno))  in check_reg_type()
9233 			if (map_kptr_match_type(env, meta->kptr_field, reg, regno))  in check_reg_type()
11658 			ret_btf = meta.kptr_field->kptr.btf;  in check_helper_call()
11659 			ret_btf_id = meta.kptr_field->kptr.btf_id;  in check_helper_call()
11662 				if (meta.kptr_field->type == BPF_KPTR_PERCPU)  in check_helper_call()