commit 29d1fad78899e5ae2997b19937a175784b21c996
author Bernd Edlinger <bernd.edlinger@hotmail.de> Tue Mar 14 15:10:52 2017 +0100
committer Rich Salz <rsalz@openssl.org> Wed Mar 15 17:32:28 2017 -0400
tree 8eed992680cb34013ee3268ee01acae3056e3dbf
parent dda12ce4e5c75da95088a1dc81815b80ec18821d

Fixed a crash in print_notice.

Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/2935)

crypto/x509v3/v3_cpols.c

diff --git a/crypto/x509v3/v3_cpols.c b/crypto/x509v3/v3_cpols.c
index f717e13..22c56ba 100644
--- a/crypto/x509v3/v3_cpols.c
+++ b/crypto/x509v3/v3_cpols.c
@@ -413,9 +413,15 @@
             num = sk_ASN1_INTEGER_value(ref->noticenos, i);
             if (i)
                 BIO_puts(out, ", ");
-            tmp = i2s_ASN1_INTEGER(NULL, num);
-            BIO_puts(out, tmp);
-            OPENSSL_free(tmp);
+            if (num == NULL)
+                BIO_puts(out, "(null)");
+            else {
+                tmp = i2s_ASN1_INTEGER(NULL, num);
+                if (tmp == NULL)
+                    return;
+                BIO_puts(out, tmp);
+                OPENSSL_free(tmp);
+            }
         }
         BIO_puts(out, "\n");
     }