From eae9c32bd9c80ca4a4ecf794808211808f2ebbdd Mon Sep 17 00:00:00 2001
From: Werner Koch <wk@gnupg.org>
Date: Mon, 19 Aug 2013 20:38:36 +0200
Subject: [PATCH] tests: Fix NULL ptr deref in gpgsm/t-verify.

* tests/gpgsm/t-verify.c (check_result): Do not dereference a sig or
sig->fpr if NULL.
---
 tests/gpgsm/t-verify.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/tests/gpgsm/t-verify.c b/tests/gpgsm/t-verify.c
index a26617e0..901b46fb 100644
--- a/tests/gpgsm/t-verify.c
+++ b/tests/gpgsm/t-verify.c
@@ -63,6 +63,8 @@ check_result (gpgme_verify_result_t result, int summary, char *fpr,
       fprintf (stderr, "%s:%i: Unexpected number of signatures\n",
 	       __FILE__, __LINE__);
       got_errors = 1;
+      if (!sig)
+        return;
     }
   if (sig->summary != summary)
     {
@@ -71,7 +73,7 @@ check_result (gpgme_verify_result_t result, int summary, char *fpr,
 	       __FILE__, __LINE__, summary, sig->summary);
       got_errors = 1;
     }
-  if (strcmp (sig->fpr, fpr))
+  if (sig->fpr && strcmp (sig->fpr, fpr))
     {
       fprintf (stderr, "%s:%i: Unexpected fingerprint: %s\n",
 	       __FILE__, __LINE__, sig->fpr);