Clear data so random memory does not get freed. Will backport.

59f58aae · Neal Norwitz · f3241a37 · 59f58aae · 59f58aae
Commit 59f58aae authored May 19, 2007 by Neal Norwitz
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Misc/NEWS Misc/NEWS +2 -0

Modules/_bsddb.c Modules/_bsddb.c +1 -0

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--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -636,6 +636,8 @@ Library
 Extension Modules
 -----------------

+- Bug #1721309: prevent bsddb module from freeing random memory.
+
 - Bug #1686475: Support stat'ing open files on Windows again.

 - Patch #1185447: binascii.b2a_qp() now correctly quotes binary characters

--- a/Modules/_bsddb.c
+++ b/Modules/_bsddb.c
@@ -1731,6 +1731,7 @@ DB_get_both(DBObject* self, PyObject* args, PyObject* kwargs)
        return NULL;
    }

+    CLEAR_DBT(data);
    flags |= DB_GET_BOTH;

    if (CHECK_DBFLAG(self, DB_THREAD)) {