Merge branch 'PHP-8.3' into PHP-8.4

* PHP-8.3:
  Fix phpGH-17837: ::getColumnMeta() on unexecuted statement segfaults

Author: cmb69

NEWS

@@ -54,6 +54,10 @@ PHP                                                                        NEWS
   . Fixed bug GH-17747 (Exception on reading property in register-based
     FETCH_OBJ_R breaks JIT). (Dmitry, nielsdos)
 
+- PDO_SQLite:
+  . Fixed GH-17837 ()::getColumnMeta() on unexecuted statement segfaults).
+    (cmb)
+
 - Phar:
   . Fixed bug GH-17808: PharFileInfo refcount bug. (nielsdos)
 

ext/pdo_sqlite/sqlite_statement.c

@@ -305,7 +305,7 @@ static int pdo_sqlite_stmt_col_meta(pdo_stmt_t *stmt, zend_long colno, zval *ret
 	const char *str;
 	zval flags;
 
-	if (!S->stmt) {
+	if (!S->stmt || !stmt->executed) {
 		return FAILURE;
 	}
 	if(colno >= sqlite3_column_count(S->stmt)) {

ext/pdo_sqlite/tests/gh17837.phpt

@@ -0,0 +1,14 @@
+--TEST--
+GH-17837 (::getColumnMeta() on unexecuted statement segfaults)
+--EXTENSIONS--
+pdo_sqlite
+--CREDITS--
+YuanchengJiang
+--FILE--
+<?php
+$db = new PDO('sqlite::memory:');
+$stmt = $db->prepare('select :a, :b, ?');
+var_dump($stmt->getColumnMeta(0));
+?>
+--EXPECT--
+bool(false)