Index: src/vacuum.c
==================================================================
--- src/vacuum.c
+++ src/vacuum.c
@@ -162,11 +162,11 @@
   saved_flags = db->flags;
   saved_mDbFlags = db->mDbFlags;
   saved_nChange = db->nChange;
   saved_nTotalChange = db->nTotalChange;
   saved_mTrace = db->mTrace;
-  db->flags |= SQLITE_WriteSchema | SQLITE_IgnoreChecks;
+  db->flags |= SQLITE_IgnoreChecks;
   db->mDbFlags |= DBFLAG_PreferBuiltin | DBFLAG_Vacuum;
   db->flags &= ~(SQLITE_ForeignKeys | SQLITE_ReverseOrder | SQLITE_CountRows);
   db->mTrace = 0;
 
   zDbMain = db->aDb[iDb].zDbSName;
@@ -283,10 +283,11 @@
   /* Copy the triggers, views, and virtual tables from the main database
   ** over to the temporary database.  None of these objects has any
   ** associated storage, so all we have to do is copy their entries
   ** from the SQLITE_MASTER table.
   */
+  db->flags |= SQLITE_WriteSchema;
   rc = execSqlF(db, pzErrMsg,
       "INSERT INTO vacuum_db.sqlite_master"
       " SELECT*FROM \"%w\".sqlite_master"
       " WHERE type IN('view','trigger')"
       " OR(type='table'AND rootpage=0)",

Index: test/dbfuzz2.c
==================================================================
--- test/dbfuzz2.c
+++ test/dbfuzz2.c
@@ -76,13 +76,13 @@
 
   if( eVerbosity>=1 ){
     printf("************** nByte=%d ***************\n", (int)nByte);
     fflush(stdout);
   }
-  rc = sqlite3_open(":memory:", &db);
+  rc = sqlite3_open(0, &db);
   if( rc ) return 1;
-  a = sqlite3_malloc64(nByte);
+  a = sqlite3_malloc64(nByte+1);
   if( a==0 ) return 1;
   memcpy(a, aData, nByte);
   sqlite3_deserialize(db, "main", a, nByte, nByte,
         SQLITE_DESERIALIZE_RESIZEABLE |
         SQLITE_DESERIALIZE_FREEONCLOSE);
@@ -91,13 +91,20 @@
       printf("%s\n", azSql[i]);
       fflush(stdout);
     }
     sqlite3_exec(db, azSql[i], 0, 0, 0);
   }
-  sqlite3_close(db);
+  rc = sqlite3_close(db);
+  if( rc!=SQLITE_OK ){
+    fprintf(stdout, "sqlite3_close() returns %d\n", rc);
+  }
   if( sqlite3_memory_used()!=0 ){
-    fprintf(stderr,"Memory leak: %lld bytes\n", sqlite3_memory_used());
+    int nAlloc = 0;
+    int nNotUsed = 0;
+    sqlite3_status(SQLITE_STATUS_MALLOC_COUNT, &nAlloc, &nNotUsed, 0);
+    fprintf(stderr,"Memory leak: %lld bytes in %d allocations\n",
+            sqlite3_memory_used(), nAlloc);
     exit(1);
   }
   return 0;
 }