From 6b5b1a02d46f761b691527c8e3c9a2ad08b0c3a5 Mon Sep 17 00:00:00 2001
From: Nick Mathewson <nickm@torproject.org>
Date: Fri, 18 Dec 2015 10:25:15 -0500
Subject: Fix a coverity NULL-pointer deref warning in the tortls tests.

Also, make our cert validation code more NULL-resistant.

This is CID 1327891.
---
 src/common/tortls.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/common')

diff --git a/src/common/tortls.c b/src/common/tortls.c
index a1facec409..5e0c97096d 100644
--- a/src/common/tortls.c
+++ b/src/common/tortls.c
@@ -884,7 +884,7 @@ tor_tls_cert_is_valid(int severity,
   EVP_PKEY *cert_key;
   int r, key_ok = 0;
 
-  if (!signing_cert)
+  if (!signing_cert || !cert)
     goto bad;
 
   EVP_PKEY *signing_key = X509_get_pubkey(signing_cert->cert);
-- 
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