From 544531de23d69f5b23883794fc7bb23a958a0fcb Mon Sep 17 00:00:00 2001
From: Mark Shannon <mark@hotpy.org>
Date: Fri, 1 Jul 2022 11:08:20 +0100
Subject: GH-94262: Don't create frame objects for frames that aren't yet
 complete. (GH-94371)

---
 Python/sysmodule.c | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

(limited to 'Python/sysmodule.c')

diff --git a/Python/sysmodule.c b/Python/sysmodule.c
index 444042f82d9..93120071b40 100644
--- a/Python/sysmodule.c
+++ b/Python/sysmodule.c
@@ -1776,9 +1776,17 @@ sys__getframe_impl(PyObject *module, int depth)
         return NULL;
     }
 
-    while (depth > 0 && frame != NULL) {
-        frame = frame->previous;
-        --depth;
+    if (frame != NULL) {
+        while (depth > 0) {
+            frame = frame->previous;
+            if (frame == NULL) {
+                break;
+            }
+            if (_PyFrame_IsIncomplete(frame)) {
+                continue;
+            }
+            --depth;
+        }
     }
     if (frame == NULL) {
         _PyErr_SetString(tstate, PyExc_ValueError,
-- 
cgit v1.2.3