5 files changed, 30 insertions, 0 deletions
diff --git a/src/backend/catalog/dependency.c b/src/backend/catalog/dependency.c
index 11bc277ba32..3d67525c7e0 100644
--- a/src/backend/catalog/dependency.c
+++ b/src/backend/catalog/dependency.c
@@ -73,6 +73,7 @@
 #include "commands/sequence.h"
 #include "commands/trigger.h"
 #include "commands/typecmds.h"
+#include "miscadmin.h"
 #include "nodes/nodeFuncs.h"
 #include "parser/parsetree.h"
 #include "rewrite/rewriteRemove.h"
@@ -511,6 +512,12 @@ findDependentObjects(const ObjectAddress *object,
 		return;
 
 	/*
+	 * since this function recurses, it could be driven to stack overflow,
+	 * because of the deep dependency tree, not only due to dependency loops.
+	 */
+	check_stack_depth();
+
+	/*
 	 * It's also possible that the target object has already been completely
 	 * processed and put into targetObjects.  If so, again we just add the
 	 * specified objflags to its entry and return.
diff --git a/src/backend/catalog/heap.c b/src/backend/catalog/heap.c
index 89a97831ec7..6628ac1009b 100644
--- a/src/backend/catalog/heap.c
+++ b/src/backend/catalog/heap.c
@@ -593,6 +593,9 @@ CheckAttributeType(const char *attname,
 	char		att_typtype = get_typtype(atttypid);
 	Oid			att_typelem;
 
+	/* since this function recurses, it could be driven to stack overflow */
+	check_stack_depth();
+
 	if (att_typtype == TYPTYPE_PSEUDO)
 	{
 		/*
diff --git a/src/backend/commands/tablecmds.c b/src/backend/commands/tablecmds.c
index 12b46b921a2..b24bc465d31 100644
--- a/src/backend/commands/tablecmds.c
+++ b/src/backend/commands/tablecmds.c
@@ -6231,6 +6231,9 @@ ATExecAddColumn(List **wqueue, AlteredTableInfo *tab, Relation rel,
 	AclResult	aclresult;
 	ObjectAddress address;
 
+	/* since this function recurses, it could be driven to stack overflow */
+	check_stack_depth();
+
 	/* At top level, permission check was done in ATPrepCmd, else do it */
 	if (recursing)
 		ATSimplePermissions(rel, ATT_TABLE | ATT_FOREIGN_TABLE);
@@ -7956,6 +7959,10 @@ ATExecDropColumn(List **wqueue, Relation rel, const char *colName,
 
 	/* Initialize addrs on the first invocation */
 	Assert(!recursing || addrs != NULL);
+
+	/* since this function recurses, it could be driven to stack overflow */
+	check_stack_depth();
+
 	if (!recursing)
 		addrs = new_object_addresses();
 
@@ -10086,6 +10093,9 @@ ATExecAlterConstrRecurse(Constraint *cmdcon, Relation conrel, Relation tgrel,
 	Oid			refrelid;
 	bool		changed = false;
 
+	/* since this function recurses, it could be driven to stack overflow */
+	check_stack_depth();
+
 	currcon = (Form_pg_constraint) GETSTRUCT(contuple);
 	conoid = currcon->oid;
 	refrelid = currcon->confrelid;
@@ -11067,6 +11077,9 @@ ATExecDropConstraint(Relation rel, const char *constrName,
 	bool		is_no_inherit_constraint = false;
 	char		contype;
 
+	/* since this function recurses, it could be driven to stack overflow */
+	check_stack_depth();
+
 	/* At top level, permission check was done in ATPrepCmd, else do it */
 	if (recursing)
 		ATSimplePermissions(rel, ATT_TABLE | ATT_FOREIGN_TABLE);
diff --git a/src/backend/optimizer/util/clauses.c b/src/backend/optimizer/util/clauses.c
index 4030f17d737..4ad66b9594d 100644
--- a/src/backend/optimizer/util/clauses.c
+++ b/src/backend/optimizer/util/clauses.c
@@ -2456,6 +2456,10 @@ static Node *
 eval_const_expressions_mutator(Node *node,
 							   eval_const_expressions_context *context)
 {
+
+	/* since this function recurses, it could be driven to stack overflow */
+	check_stack_depth();
+
 	if (node == NULL)
 		return NULL;
 	switch (nodeTag(node))
diff --git a/src/backend/utils/adt/jsonpath_exec.c b/src/backend/utils/adt/jsonpath_exec.c
index bbb3125c1d1..ee97a62d105 100644
--- a/src/backend/utils/adt/jsonpath_exec.c
+++ b/src/backend/utils/adt/jsonpath_exec.c
@@ -1235,6 +1235,9 @@ executeBoolItem(JsonPathExecContext *cxt, JsonPathItem *jsp,
 	JsonPathBool res;
 	JsonPathBool res2;
 
+	/* since this function recurses, it could be driven to stack overflow */
+	check_stack_depth();
+
 	if (!canHaveNext && jspHasNext(jsp))
 		elog(ERROR, "boolean jsonpath item cannot have next item");