Index: ext/misc/dbdata.c
==================================================================
--- ext/misc/dbdata.c
+++ ext/misc/dbdata.c
@@ -585,12 +585,13 @@
               while( nRem>0 ){
                 u8 *aOvfl = 0;
                 int nOvfl = 0;
                 int nCopy;
                 rc = dbdataLoadPage(pCsr, pgnoOvfl, &aOvfl, &nOvfl);
-                assert( rc!=SQLITE_OK || nOvfl==pCsr->nPage );
+                assert( rc!=SQLITE_OK || aOvfl==0 || nOvfl==pCsr->nPage );
                 if( rc!=SQLITE_OK ) return rc;
+                if( aOvfl==0 ) break;
 
                 nCopy = U-4;
                 if( nCopy>nRem ) nCopy = nRem;
                 memcpy(&pCsr->pRec[nPayload-nRem], &aOvfl[4], nCopy);
                 nRem -= nCopy;