diff --git a/nlsr_km.c b/nlsr_km.c
index 6ac2817..3aa706b 100644
--- a/nlsr_km.c
+++ b/nlsr_km.c
@@ -147,10 +147,12 @@ sign_content_with_user_defined_keystore(struct ccn_charbuf *content_name,
  		return -1;
 	}
 
+	ccn_keystore_destroy(&keystore);
 	ccn_charbuf_destroy(&sp.template_ccnb);
 	ccn_charbuf_destroy(&keyid);
 	ccn_charbuf_destroy(&keyname);
 	ccn_charbuf_destroy(&pubid_out);
+	
 	free(baseuri);
  	return 0;
 }
diff --git a/nlsr_km_util.c b/nlsr_km_util.c
index 72e9d8b..94b3816 100644
--- a/nlsr_km_util.c
+++ b/nlsr_km_util.c
@@ -249,6 +249,8 @@ get_orig_router_from_key_name(struct ccn_charbuf *name, int more, int type)
 				memcpy(router,ccn_charbuf_as_string(temp1),
 										strlen(ccn_charbuf_as_string(temp1)));
 				router[strlen(router)]='\0';
+				ccn_charbuf_destroy(&temp1);
+				ccn_charbuf_destroy(&orig_router);
 			}
 			else{
 				ccn_indexbuf_destroy(&name_comps);
diff --git a/nlsr_ndn.c b/nlsr_ndn.c
index 46e493a..a0967a1 100644
--- a/nlsr_ndn.c
+++ b/nlsr_ndn.c
@@ -80,7 +80,7 @@ get_nbr(struct name_prefix *nbr,struct ccn_closure *selfp,
 
 	}
 
-	nbr->name=(char *)malloc(strlen(neighbor)+1);
+	nbr->name=(char *)calloc(strlen(neighbor)+1,sizeof(char));
 	memcpy(nbr->name,neighbor,strlen(neighbor)+1);
 	nbr->length=strlen(neighbor)+1;
 
@@ -359,6 +359,7 @@ process_incoming_interest_info(struct ccn_closure *selfp, struct ccn_upcall_info
 		//ccn_charbuf_destroy(&sp.template_ccnb);
 		//ccn_charbuf_destroy(&pubid);
 		//ccn_charbuf_destroy(&pubkey);
+		ccn_charbuf_destroy(&resultbuf);
 	}
 
 	//ccn_charbuf_destroy(&data);
@@ -670,7 +671,10 @@ process_incoming_timed_out_interest_info(struct ccn_closure* selfp, struct
 		}
 	}
 
-	free(nbr);
+	if ( nbr->name != NULL )
+		free(nbr->name);
+	if ( nbr != NULL )
+		free(nbr);
 
 
 }