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From a609a605d87b3107de64141cd3d60c2a73c7b38f Mon Sep 17 00:00:00 2001
From: Robbie Harwood <rharwood@redhat.com>
Date: Fri, 22 Apr 2016 09:59:22 -0400
Subject: [PATCH] krb5-1.12-api.patch

---
 src/lib/krb5/krb/princ_comp.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/lib/krb5/krb/princ_comp.c b/src/lib/krb5/krb/princ_comp.c
index a6936107d..0ed78833b 100644
--- a/src/lib/krb5/krb/princ_comp.c
+++ b/src/lib/krb5/krb/princ_comp.c
@@ -36,6 +36,10 @@ realm_compare_flags(krb5_context context,
     const krb5_data *realm1 = &princ1->realm;
     const krb5_data *realm2 = &princ2->realm;
 
+    if (princ1 == NULL || princ2 == NULL)
+        return FALSE;
+    if (realm1 == NULL || realm2 == NULL)
+        return FALSE;
     if (realm1->length != realm2->length)
         return FALSE;
     if (realm1->length == 0)
@@ -88,6 +92,9 @@ krb5_principal_compare_flags(krb5_context context,
     krb5_principal upn2 = NULL;
     krb5_boolean ret = FALSE;
 
+    if (princ1 == NULL || princ2 == NULL)
+        return FALSE;
+
     if (flags & KRB5_PRINCIPAL_COMPARE_ENTERPRISE) {
         /* Treat UPNs as if they were real principals */
         if (princ1->type == KRB5_NT_ENTERPRISE_PRINCIPAL) {