diff --git a/pkg/noun/manage.c b/pkg/noun/manage.c
index 0a6d37eb1a..cf02e68fb0 100644
--- a/pkg/noun/manage.c
+++ b/pkg/noun/manage.c
@@ -1815,6 +1815,16 @@ u3m_soft_esc(u3_noun ref, u3_noun sam)
   return pro;
 }
 
+void
+u3m_mark_mute(void)
+{
+  u3m_quac** arr_u = u3m_mark();
+  for (c3_w i_w = 0; arr_u[i_w]; i_w++) {
+    u3a_quac_free(arr_u[i_w]);
+  }
+  c3_free(arr_u);
+}
+
 /* u3m_grab(): garbage-collect the world, plus extra roots.
 */
 void
@@ -1839,7 +1849,7 @@ u3m_grab(u3_noun som, ...)   // terminate with u3_none
     }
     va_end(vap);
   }
-  u3m_mark(); // XX leaks
+  u3m_mark_mute();
   u3a_sweep();
 }
 
diff --git a/pkg/vere/io/lick.c b/pkg/vere/io/lick.c
index 9e722cb0a5..2f05704019 100644
--- a/pkg/vere/io/lick.c
+++ b/pkg/vere/io/lick.c
@@ -616,6 +616,7 @@ _lick_io_exit(u3_auto* car_u)
   }
 
   u3s_cue_xeno_done(lic_u->sil_u);
+  c3_free(lic_u->fod_c);
   c3_free(lic_u);
 }
 
diff --git a/pkg/vere/io/unix.c b/pkg/vere/io/unix.c
index 9879e7db4f..4c5da87835 100644
--- a/pkg/vere/io/unix.c
+++ b/pkg/vere/io/unix.c
@@ -871,6 +871,8 @@ _unix_create_dir(u3_udir* dir_u, u3_udir* par_u, u3_noun nam)
 
   _unix_mkdir(pax_c);
   _unix_watch_dir(dir_u, par_u, pax_c);
+  
+  c3_free(pax_c);
 }
 
 static u3_noun _unix_update_node(u3_unix* unx_u, u3_unod* nod_u);
@@ -1336,7 +1338,6 @@ _unix_sync_file(u3_unix* unx_u, u3_udir* par_u, u3_noun nam, u3_noun ext, u3_nou
       u3_ufil* fil_u = c3_malloc(sizeof(u3_ufil));
       _unix_watch_file(unx_u, fil_u, par_u, pax_c);
       fil_u->gum_w = gum_w;
-      goto _unix_sync_file_out;
     }
     else {
       _unix_write_file_soft((u3_ufil*) nod_u, u3k(u3t(mim)));
@@ -1344,8 +1345,6 @@ _unix_sync_file(u3_unix* unx_u, u3_udir* par_u, u3_noun nam, u3_noun ext, u3_nou
   }
 
   c3_free(pax_c);
-
-_unix_sync_file_out:
   u3z(mim);
 }
 
@@ -1402,6 +1401,8 @@ _unix_sync_change(u3_unix* unx_u, u3_udir* dir_u, u3_noun pax, u3_noun mim)
       }
 
       _unix_sync_change(unx_u, (u3_udir*) nod_u, u3k(t_pax), mim);
+      
+      c3_free(nam_c);
     }
   }
   u3z(pax);
@@ -1580,6 +1581,14 @@ _unix_io_exit(u3_auto* car_u)
 {
   u3_unix* unx_u = (u3_unix*)car_u;
 
+  u3_umon* mon_u = unx_u->mon_u;
+  u3_umon* nex_u;
+  while ( mon_u ) {
+    nex_u = mon_u->nex_u;
+    _unix_free_mount_point(unx_u, mon_u);
+    mon_u = nex_u;
+  }
+
   u3z(unx_u->sat);
   c3_free(unx_u->pax_c);
   c3_free(unx_u);
diff --git a/pkg/vere/mdns.c b/pkg/vere/mdns.c
index e58dae6dfc..998a1c46ec 100644
--- a/pkg/vere/mdns.c
+++ b/pkg/vere/mdns.c
@@ -14,6 +14,12 @@ typedef struct _mdns_payload {
   void*         context;
 } mdns_payload;
 
+#ifdef ASAN_ENABLED
+  void __lsan_ignore_object(const void *p);
+#else
+  #define __lsan_ignore_object(p) ((void) (p))
+#endif
+
 static void close_cb(uv_handle_t* poll) {
   mdns_payload* payload = (mdns_payload*)poll->data;
   DNSServiceRefDeallocate(payload->sref);
@@ -182,6 +188,7 @@ void mdns_init(uint16_t port, bool fake, char* our, mdns_cb* cb, void* context)
   #   endif
 
   mdns_payload* register_payload = (mdns_payload*)c3_calloc(sizeof(mdns_payload));
+  __lsan_ignore_object(register_payload);
 
   DNSServiceErrorType err;