From: btharper <btharper1221@gmail.com>
Date: Tue, 19 Mar 2019 10:50:25 +0000 (-0400)
Subject: bpo-36356: Fix memory leak in _PyPreConfig_Read() (GH-12425)
X-Git-Tag: v3.8.0a3~61
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=e130a07eb20c4b655d182d5d10d778c7584efe55;p=python

bpo-36356: Fix memory leak in _PyPreConfig_Read() (GH-12425)

_PyPreConfig_Read() now free 'old_old' at exit.
---

diff --git a/Misc/NEWS.d/next/Build/2019-03-18-23-49-15.bpo-36356.WNrwYI.rst b/Misc/NEWS.d/next/Build/2019-03-18-23-49-15.bpo-36356.WNrwYI.rst
new file mode 100644
index 0000000000..d30f5d586b
--- /dev/null
+++ b/Misc/NEWS.d/next/Build/2019-03-18-23-49-15.bpo-36356.WNrwYI.rst
@@ -0,0 +1 @@
+Fix leaks that led to build failure when configured with address sanitizer.
diff --git a/Python/preconfig.c b/Python/preconfig.c
index 1efc7ee5c5..b03436181c 100644
--- a/Python/preconfig.c
+++ b/Python/preconfig.c
@@ -514,6 +514,7 @@ _PyPreConfig_Read(_PyPreConfig *config)
     err = preconfig_read(config, NULL);
 
     setlocale(LC_CTYPE, old_loc);
+    PyMem_RawFree(old_loc);
 
     return err;
 }