From: Denis Sergeev <zeff@altlinux.org>
Date: Mon, 29 Sep 2025 10:40:36 +0000 (+0300)
Subject: gh-139146: Check `calloc()` results in `_testembed.c::test_pre_initialization_sys_opt... 
X-Git-Tag: v3.15.0a1~185
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=9c6a1f847b648747414600f2cde18f3837505537;p=thirdparty%2FPython%2Fcpython.git

gh-139146: Check `calloc()` results in `_testembed.c::test_pre_initialization_sys_options` (#139147)

Reported by: Dmitrii Chuprov <cheese@altlinux.org>
Signed-off-by: Denis Sergeev <zeff@altlinux.org>
---

diff --git a/Programs/_testembed.c b/Programs/_testembed.c
index b5047a014ac6..76c61efeb50a 100644
--- a/Programs/_testembed.c
+++ b/Programs/_testembed.c
@@ -340,8 +340,18 @@ static int test_pre_initialization_sys_options(void)
     size_t xoption_len = wcslen(static_xoption);
     wchar_t *dynamic_once_warnoption = \
              (wchar_t *) calloc(warnoption_len+1, sizeof(wchar_t));
+    if (dynamic_once_warnoption == NULL) {
+        error("out of memory allocating warnoption");
+        return 1;
+    }
     wchar_t *dynamic_xoption = \
              (wchar_t *) calloc(xoption_len+1, sizeof(wchar_t));
+    if (dynamic_xoption == NULL) {
+        free(dynamic_once_warnoption);
+        error("out of memory allocating xoption");
+        return 1;
+    }
+
     wcsncpy(dynamic_once_warnoption, static_warnoption, warnoption_len+1);
     wcsncpy(dynamic_xoption, static_xoption, xoption_len+1);