From 5f5802fc0c1bd563ca95267f7c05eed6fcc9e11f Mon Sep 17 00:00:00 2001
From: Rialbat <miha-wead@mail.ru>
Date: Wed, 23 Apr 2025 13:20:54 +0300
Subject: [PATCH] gh-132771: Added assert for potential Integer Overflow in the
 mark_stacks function

---
 Objects/frameobject.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Objects/frameobject.c b/Objects/frameobject.c
index db4e4b7e1939de..472b4b9851f85d 100644
--- a/Objects/frameobject.c
+++ b/Objects/frameobject.c
@@ -1363,6 +1363,7 @@ mark_stacks(PyCodeObject *code_obj, int len)
                 }
                 case SEND:
                     j = oparg + i + INLINE_CACHE_ENTRIES_SEND + 1;
+                    assert(j >= 0);
                     assert(j < len);
                     assert(stacks[j] == UNINITIALIZED || stacks[j] == next_stack);
                     stacks[j] = next_stack;