From: Victor Stinner <vstinner@python.org>
Date: Tue, 9 Dec 2025 15:25:46 +0000 (+0100)
Subject: gh-140222: Increase stack margin on debug build (#142452)
X-Git-Tag: v3.15.0a3~142
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=49207a522627718a19886386ec2a7ce957437d08;p=thirdparty%2FPython%2Fcpython.git

gh-140222: Increase stack margin on debug build (#142452)

Increase _PyOS_MIN_STACK_SIZE if Python is built in debug mode.
---

diff --git a/Include/internal/pycore_pythonrun.h b/Include/internal/pycore_pythonrun.h
index 04a557e12040..2a544edc431e 100644
--- a/Include/internal/pycore_pythonrun.h
+++ b/Include/internal/pycore_pythonrun.h
@@ -44,9 +44,9 @@ extern PyObject * _Py_CompileStringObjectWithModule(
  * no two calls to check recursion depth are more than this far
  * apart. In practice, that means it must be larger than the C
  * stack consumption of PyEval_EvalDefault */
-#if defined(_Py_ADDRESS_SANITIZER) || defined(_Py_THREAD_SANITIZER)
-#  define _PyOS_LOG2_STACK_MARGIN 12
-#elif defined(Py_DEBUG) && defined(WIN32)
+#if (defined(Py_DEBUG) \
+     || defined(_Py_ADDRESS_SANITIZER) \
+     || defined(_Py_THREAD_SANITIZER))
 #  define _PyOS_LOG2_STACK_MARGIN 12
 #else
 #  define _PyOS_LOG2_STACK_MARGIN 11