Index: src/where.c
==================================================================
--- src/where.c
+++ src/where.c
@@ -5868,11 +5868,11 @@
 
     /* For a co-routine, change all OP_Column references to the table of
     ** the co-routine into OP_SCopy of result contained in a register.
     ** OP_Rowid becomes OP_Null.
     */
-    if( pTabItem->viaCoroutine ){
+    if( pTabItem->viaCoroutine && !db->mallocFailed ){
       last = sqlite3VdbeCurrentAddr(v);
       k = pLevel->addrBody;
       pOp = sqlite3VdbeGetOp(v, k);
       for(; k<last; k++, pOp++){
         if( pOp->p1!=pLevel->iTabCur ) continue;