Index: exec.c
==================================================================
--- exec.c
+++ exec.c
@@ -78,12 +78,13 @@
   // All fields are initialized by the class or to zero.
   // Does not send any messages or otherwise notify anyone that it has been created.
   // Returns VOIDLINK if object cannot be created.
   Uint32 n;
   Class*cl=classes[c];
-  Object*o=calloc(1,sizeof(Object)+cl->uservars*sizeof(Value));
+  Object*o=0;
   if(!c || !cl || cl->cflags&(CF_GROUP|CF_NOCLASS2)) goto bad;
+  o=calloc(1,sizeof(Object)+cl->uservars*sizeof(Value));
   if(!o) fatal("Allocation failed\n");
   o->class=c;
   o->generation=generation_number;
 #define C(x) o->x=cl->x;
   C(height) C(weight) C(climb) C(density) C(volume) C(strength) C(arrivals) C(departures) C(temperature)

Index: main.c
==================================================================
--- main.c
+++ main.c
@@ -205,10 +205,12 @@
   Uint32 o;
   Uint32 mru[2];
   if(lvl<0 && level_index && -lvl<=level_nindex) {
     lo=-lvl;
     lvl=level_index[~lvl];
+    p=buf=read_lump(FIL_LEVEL,lvl,&sz,0);
+    end=buf+sz;
   }
   if(lvl<0) return "Invalid level ID";
   if(!buf) return "Cannot find level";
   free(level_title);
   level_title=0;