From: Victor Stinner <victor.stinner@gmail.com>
Date: Thu, 11 Jul 2013 22:53:26 +0000 (+0200)
Subject: Issue #18408: _PyMemoTable_ResizeTable() now restores the old table if
X-Git-Tag: v3.4.0a1~239
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=8ca72e2e3dfd0643288c27c4462cb8be62b5b049;p=thirdparty%2FPython%2Fcpython.git

Issue #18408: _PyMemoTable_ResizeTable() now restores the old table if
allocating a bigger table failed

PyMemoTable destructor does crash if mt_table is NULL.
---

diff --git a/Modules/_pickle.c b/Modules/_pickle.c
index 8b3438e4e372..888a498d30a2 100644
--- a/Modules/_pickle.c
+++ b/Modules/_pickle.c
@@ -529,7 +529,7 @@ _PyMemoTable_ResizeTable(PyMemoTable *self, Py_ssize_t min_size)
     oldtable = self->mt_table;
     self->mt_table = PyMem_MALLOC(new_size * sizeof(PyMemoEntry));
     if (self->mt_table == NULL) {
-        PyMem_FREE(oldtable);
+        self->mt_table = oldtable;
         PyErr_NoMemory();
         return -1;
     }