Use an alternative memory allocator for parser stack space that includes

a call to sqlite3FaultSim() to facilitate testing.

FossilOrigin-Name: 7c36d560ff4e8e1b3f8fad972ec7f07837e4fa4e6861fafde970ffccfda5a2f1

1 files changed, 9 insertions, 1 deletions

diff --git a/src/parse.y b/src/parse.y
index 2d5dc8ee3..12621b434 100644
--- a/src/parse.y
+++ b/src/parse.y
@@ -22,7 +22,7 @@
 }
 
 // Function used to enlarge the parser stack, if needed
-%realloc sqlite3_realloc64
+%realloc parserStackRealloc
 %free    sqlite3_free
 
 // All token codes are small integers with #defines that begin with "TK_"
@@ -551,6 +551,14 @@ cmd ::= select(X).  {
     }
     return pSelect;
   }
+
+  /* Memory allocator for parser stack resizing.  This is a thin wrapper around
+  ** sqlite3_realloc() that includes a call to sqlite3FaultSim() to facilitate
+  ** testing.
+  */
+  static void *parserStackRealloc(void *pOld, sqlite3_uint64 newSize){
+    return sqlite3FaultSim(700) ? 0 : sqlite3_realloc(pOld, newSize);
+  }
 }
 
 %ifndef SQLITE_OMIT_CTE