297 	struct btf_field *kptr_field;  member
5984 			       struct btf_field *kptr_field,  in map_kptr_match_type()  argument
5987 	const char *targ_name = btf_type_name(kptr_field->kptr.btf, kptr_field->kptr.btf_id);  in map_kptr_match_type()
5995 		if (kptr_field->type == BPF_KPTR_UNREF)  in map_kptr_match_type()
5999 		if (kptr_field->type == BPF_KPTR_PERCPU)  in map_kptr_match_type()
6043 				  kptr_field->kptr.btf, kptr_field->kptr.btf_id,  in map_kptr_match_type()
6044 				  kptr_field->type != BPF_KPTR_UNREF))  in map_kptr_match_type()
6051 	if (kptr_field->type == BPF_KPTR_UNREF)  in map_kptr_match_type()
6098 static struct btf_record *kptr_pointee_btf_record(struct btf_field *kptr_field)  in kptr_pointee_btf_record()  argument
6102 	if (btf_is_kernel(kptr_field->kptr.btf))  in kptr_pointee_btf_record()
6105 	meta = btf_find_struct_meta(kptr_field->kptr.btf,  in kptr_pointee_btf_record()
6106 				    kptr_field->kptr.btf_id);  in kptr_pointee_btf_record()
6119 static u32 btf_ld_kptr_type(struct bpf_verifier_env *env, struct btf_field *kptr_field)  in btf_ld_kptr_type()  argument
6125 	if (rcu_safe_kptr(kptr_field) && in_rcu_cs(env)) {  in btf_ld_kptr_type()
6127 		if (kptr_field->type == BPF_KPTR_PERCPU)  in btf_ld_kptr_type()
6129 		else if (!btf_is_kernel(kptr_field->kptr.btf))  in btf_ld_kptr_type()
6132 		rec = kptr_pointee_btf_record(kptr_field);  in btf_ld_kptr_type()
6160 				 struct btf_field *kptr_field)  in check_map_kptr_access()  argument
6183 	    (kptr_field->type == BPF_KPTR_REF || kptr_field->type == BPF_KPTR_PERCPU)) {  in check_map_kptr_access()
6187 	if (class != BPF_LDX && kptr_field->type == BPF_UPTR) {  in check_map_kptr_access()
6193 		if (kptr_field->type == BPF_UPTR)  in check_map_kptr_access()
6194 			return mark_uptr_ld_reg(env, value_regno, kptr_field);  in check_map_kptr_access()
6200 				      kptr_field->kptr.btf, kptr_field->kptr.btf_id,  in check_map_kptr_access()
6201 				      btf_ld_kptr_type(env, kptr_field));  in check_map_kptr_access()
6207 		    map_kptr_match_type(env, kptr_field, val_reg, value_regno))  in check_map_kptr_access()
6212 				kptr_field->offset);  in check_map_kptr_access()
7735 		struct btf_field *kptr_field = NULL;  in check_mem_access()  local
7749 			kptr_field = btf_record_find(reg->map_ptr->record,  in check_mem_access()
7751 		if (kptr_field) {  in check_mem_access()
7752 			err = check_map_kptr_access(env, regno, value_regno, insn_idx, kptr_field);  in check_mem_access()
8779 	struct btf_field *kptr_field;  in process_kptr_func()  local
8810 	kptr_field = btf_record_find(rec, kptr_off, BPF_KPTR);  in process_kptr_func()
8811 	if (!kptr_field) {  in process_kptr_func()
8815 	if (kptr_field->type != BPF_KPTR_REF && kptr_field->type != BPF_KPTR_PERCPU) {  in process_kptr_func()
8819 	meta->kptr_field = kptr_field;  in process_kptr_func()
9545 			if (map_kptr_match_type(env, meta->kptr_field, reg, regno))  in check_reg_type()
9575 			if (map_kptr_match_type(env, meta->kptr_field, reg, regno))  in check_reg_type()
12057 			ret_btf = meta.kptr_field->kptr.btf;  in check_helper_call()
12058 			ret_btf_id = meta.kptr_field->kptr.btf_id;  in check_helper_call()
12061 				if (meta.kptr_field->type == BPF_KPTR_PERCPU)  in check_helper_call()