From 0b6cc18df054e5baeb486dd07bdeca61954656c8 Mon Sep 17 00:00:00 2001
From: Jakub Jelen <jjelen@redhat.com>
Date: Thu, 25 Oct 2018 19:02:14 +0200
Subject: [PATCH] Avoid segfault on kerberos authentication failure

---
 openssh-7.7p1-gssapi-new-unique.patch | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/openssh-7.7p1-gssapi-new-unique.patch b/openssh-7.7p1-gssapi-new-unique.patch
index 6ab5e2c..11ab6ee 100644
--- a/openssh-7.7p1-gssapi-new-unique.patch
+++ b/openssh-7.7p1-gssapi-new-unique.patch
@@ -84,7 +84,7 @@ index a5a81ed2..63f877f2 100644
 +			/* There is at least one other ccache in collection
 +			 * we can switch to */
 +			krb5_cc_switch(ctx, ccache);
-+		} else {
++		} else if (authctxt->krb5_ccname != NULL) {
 +			/* Clean up the collection too */
 +			strncpy(krb5_ccname, authctxt->krb5_ccname, sizeof(krb5_ccname) - 10);
 +			krb5_ccname_dir_start = strchr(krb5_ccname, ':') + 1;