GH-96572: fix use after free in trace refs build mode (#96618)

kumaraditya303 · web-flow · commit 67444902a0f1 · 2022-09-06T11:02:41.000-07:00
diff --git a/Misc/NEWS.d/next/Core and Builtins/2022-09-06-16-54-49.gh-issue-96572.8DRsaW.rst b/Misc/NEWS.d/next/Core and Builtins/2022-09-06-16-54-49.gh-issue-96572.8DRsaW.rst
@@ -0,0 +1 @@
+Fix use after free in trace refs build mode. Patch by Kumar Aditya.
diff --git a/Python/ceval.c b/Python/ceval.c
@@ -46,7 +46,7 @@
 #  error "ceval.c must be build with Py_BUILD_CORE define for best performance"
 #endif
 
-#ifndef Py_DEBUG
+#if !defined(Py_DEBUG) && !defined(Py_TRACE_REFS)
 // GH-89279: The MSVC compiler does not inline these static inline functions
 // in PGO build in _PyEval_EvalFrameDefault(), because this function is over
 // the limit of PGO, and that limit cannot be configured.

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	`+Fix use after free in trace refs build mode. Patch by Kumar Aditya.`