From 0a04c008d0df2cb5e3d54c10d2f73516730ee384 Mon Sep 17 00:00:00 2001
From: Ilija Tovilo <ilija.tovilo@me.com>
Date: Thu, 11 May 2023 14:33:49 +0200
Subject: [PATCH] Fix potential NULL pointer access in zend_fiber_object_gc

Accidentally introduced in GH-11208.

Fixes oss-fuzz #58795
---
 Zend/zend_fibers.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Zend/zend_fibers.c b/Zend/zend_fibers.c
index aae7058294d..6a22d5c43cf 100644
--- a/Zend/zend_fibers.c
+++ b/Zend/zend_fibers.c
@@ -670,7 +670,7 @@ static HashTable *zend_fiber_object_gc(zend_object *object, zval **table, int *n
 	HashTable *lastSymTable = NULL;
 	zend_execute_data *ex = fiber->execute_data;
 	for (; ex; ex = ex->prev_execute_data) {
-		HashTable *symTable = zend_unfinished_execution_gc_ex(ex, ZEND_USER_CODE(ex->func->type) ? ex->call : NULL, buf, false);
+		HashTable *symTable = zend_unfinished_execution_gc_ex(ex, ex->func && ZEND_USER_CODE(ex->func->type) ? ex->call : NULL, buf, false);
 		if (symTable) {
 			if (lastSymTable) {
 				zval *val;