From bc9dff88f1ffeeeb6141d7fa017e2a2fd9e2f2f7 Mon Sep 17 00:00:00 2001
From: Nalin Dahyabhai <nalin@redhat.com>
Date: Nov 12 2015 16:28:33 +0000
Subject: Fix a possible uninitialized memory read


Fix an error where we might try to read from an uninitialized pointer
when trying to determine if a CA helper produced any useful data.  This
might be the root cause of Red Hat bug #1260871.

---

diff --git a/src/submit-e.c b/src/submit-e.c
index 6997b43..991e580 100644
--- a/src/submit-e.c
+++ b/src/submit-e.c
@@ -963,6 +963,11 @@ cm_submit_e_start_or_resume(struct cm_store_ca *ca,
 		state->done = cm_submit_e_done;
 		state->delay = -1;
 		estate = talloc_ptrtype(state, estate);
+		if (estate == NULL) {
+			talloc_free(state);
+			return NULL;
+		}
+		memset(estate, 0, sizeof(*estate));
 		estate->phase = running_helper;
 		estate->ca = ca;
 		estate->entry = entry;