From f86795350d2c37753b961018b5185cd1af33a38a Mon Sep 17 00:00:00 2001
From: Luca Boccassi <luca.boccassi@gmail.com>
Date: Tue, 16 Feb 2016 11:54:23 +0000
Subject: [PATCH] Problem: curve keys getsockopt uninitialised read

Solution: always initialised zmq::options_t class variables arrays to
avoid reading uninitialised data when CURVE is not yet configured and
a getsockopt ZMQ_CURVE_{SERVER | PUBLIC | SECRET]KEY is issued.
---
 src/options.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/options.cpp b/src/options.cpp
index 27b214ca..b3f75d2f 100644
--- a/src/options.cpp
+++ b/src/options.cpp
@@ -78,6 +78,9 @@ zmq::options_t::options_t () :
     heartbeat_timeout (-1),
     use_fd (-1)
 {
+    memset (curve_public_key, 0, CURVE_KEYSIZE);
+    memset (curve_secret_key, 0, CURVE_KEYSIZE);
+    memset (curve_server_key, 0, CURVE_KEYSIZE);
 #if defined ZMQ_HAVE_VMCI
     vmci_buffer_size = 0;
     vmci_buffer_min_size = 0;