pythongh-139146: Check calloc() results in _testembed.c::test_pre_initialization_sys_options (python#139147)

zeff-ir · web-flow · commit 9c6a1f847b64 · 2025-09-29T10:40:36.000Z
Reported by: Dmitrii Chuprov &lt;cheese@altlinux.org&gt;
Signed-off-by: Denis Sergeev &lt;zeff@altlinux.org&gt;
diff --git 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);
 
