From 2f2fee19ec63a09b184fbe09135ecb2f16a0e257 Mon Sep 17 00:00:00 2001
From: Christian Heimes <christian@python.org>
Date: Wed, 21 Sep 2016 11:37:27 +0200
Subject: va_end() all va_copy()ed va_lists.

---
 Python/getargs.c    | 14 ++++++++++++--
 Python/modsupport.c | 14 +++++++++-----
 2 files changed, 21 insertions(+), 7 deletions(-)

(limited to 'Python')

diff --git a/Python/getargs.c b/Python/getargs.c
index cd80eda0e2..43656eb2aa 100644
--- a/Python/getargs.c
+++ b/Python/getargs.c
@@ -141,20 +141,26 @@ int
 PyArg_VaParse(PyObject *args, const char *format, va_list va)
 {
     va_list lva;
+    int retval;
 
     va_copy(lva, va);
 
-    return vgetargs1(args, format, &lva, 0);
+    retval = vgetargs1(args, format, &lva, 0);
+    va_end(lva);
+    return retval;
 }
 
 int
 _PyArg_VaParse_SizeT(PyObject *args, const char *format, va_list va)
 {
     va_list lva;
+    int retval;
 
     va_copy(lva, va);
 
-    return vgetargs1(args, format, &lva, FLAG_SIZE_T);
+    retval = vgetargs1(args, format, &lva, FLAG_SIZE_T);
+    va_end(lva);
+    return retval;
 }
 
 
@@ -1405,6 +1411,7 @@ PyArg_VaParseTupleAndKeywords(PyObject *args,
     va_copy(lva, va);
 
     retval = vgetargskeywords(args, keywords, format, kwlist, &lva, 0);
+    va_end(lva);
     return retval;
 }
 
@@ -1430,6 +1437,7 @@ _PyArg_VaParseTupleAndKeywords_SizeT(PyObject *args,
 
     retval = vgetargskeywords(args, keywords, format,
                               kwlist, &lva, FLAG_SIZE_T);
+    va_end(lva);
     return retval;
 }
 
@@ -1534,6 +1542,7 @@ _PyArg_VaParseTupleAndKeywordsFast(PyObject *args, PyObject *keywords,
     va_copy(lva, va);
 
     retval = vgetargskeywordsfast(args, keywords, parser, &lva, 0);
+    va_end(lva);
     return retval;
 }
 
@@ -1555,6 +1564,7 @@ _PyArg_VaParseTupleAndKeywordsFast_SizeT(PyObject *args, PyObject *keywords,
     va_copy(lva, va);
 
     retval = vgetargskeywordsfast(args, keywords, parser, &lva, FLAG_SIZE_T);
+    va_end(lva);
     return retval;
 }
 
diff --git a/Python/modsupport.c b/Python/modsupport.c
index bdaf8b22c5..aabee8fa59 100644
--- a/Python/modsupport.c
+++ b/Python/modsupport.c
@@ -467,8 +467,7 @@ va_build_value(const char *format, va_list va, int flags)
     const char *f = format;
     int n = countformat(f, '\0');
     va_list lva;
-
-    va_copy(lva, va);
+    PyObject *retval;
 
     if (n < 0)
         return NULL;
@@ -476,9 +475,14 @@ va_build_value(const char *format, va_list va, int flags)
         Py_INCREF(Py_None);
         return Py_None;
     }
-    if (n == 1)
-        return do_mkvalue(&f, &lva, flags);
-    return do_mktuple(&f, &lva, '\0', n, flags);
+    va_copy(lva, va);
+    if (n == 1) {
+        retval = do_mkvalue(&f, &lva, flags);
+    } else {
+        retval = do_mktuple(&f, &lva, '\0', n, flags);
+    }
+    va_end(lva);
+    return retval;
 }
 
 
-- 
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